CN101098447B - Lead outlet with analogue signal adapter, and its use method and network using the same - Google Patents

Abstract

An out port of local network (LAN)comprises an integrated adaptor for converting digit data and analogue video signal, wherein the out port allows digit data network to use analogue video unit but eliminate digit video unit or external adaptor. The out port comprises a concentrator which can be connected with analogue video signal via an adaptor and hold the data network connection which can be accessed by a network plug hole. The invention can be used in networking system based on telephone line. The data networking circuit and analogue video adaptor are integrated on a phone out port to provide general phone service, analogue video connection and data network. The out port is provided with a standard phone plug hole, an analogue video plug, and at least one data network plug hole. The inventive out port can be used to modify prior LAN and telephone line in building, and used as initial device of new setting.

Description

Have outlet, its using method of analog signal adapter and adopt the network of this outlet

The application is that application number is 01823801.7, and denomination of invention is divided an application for " have outlet, its using method of analog signal adapter and adopt the network of this outlet ".

Technical field

The present invention relates to carry analog video, and relate more specifically to be used at the same time in Local Area Network, transmit analog video signal in the wiring of analog telephone.

Background technology

Delivery outlet

A kind of electromechanical component represented in term herein " outlet (outlet) ", and it can be connected with the wiring of installing in the building.Outlet forever is connected with wiring, thereby allows external unit to be connected easily with this wiring by the built-in connector of the panel of integral body usually as required.Usually outlet mechanically attached to or be installed in the wall.The non-limitative example of common outlet comprises: the phone outlet that is used to connect telephone set; Be used to connect the CATV outlet of television set, VCR etc.; And the electric outlet that electric equipment is connected electric power.

Lan environment

Fig. 1 illustrates a kind of typical local area network (LAN) 10.The network of this common employing 10Base T or 100Base TX ethernet ieee 802.3 interfaces and topological structure is used as concentration members to thehub 11 that all parts all are connected with it.Each parts are connected tohub 11 by being installed indata connector 14a, 14b and the 14c in eachnetwork outlet 15a, 15b and the 15c via eachbar cable 13a, 13b and13c.Data connector 14a, 14b and 14c for example can be the RJ-45 types; Andcable 13a, 13b and 13c for example can be No. 5 cables.Thedata division 10 ofnetwork 10 adopts data cell (for example computer) 7a, 7b and the 7c that is connected with 14c through eachbar cable 16a, 16b and 16c andNetwork connecting member 14a,14b.Server 12 also can be connected withhub 11 and, can finish outside linkage function and other server capability of using in the art.

Although it is concentration members that Fig. 1 treats ashub 11, but should understand, can use a plurality of network interfaces of having of any kind and support appropriate internuncial parts, its unrestricted example comprises shared hub, switch (switch hub), router and gateway.Thereby, any such parts of term used herein " hub " representative.In addition,network 10 can be any packet-based network, no matter be indoor or distributed, and for example LAN or internet.

Althoughnetwork 10 specialized designs become to transmit digital signal, still have many parts to use the analogue type interface in family or the office environment.Particularly, adopt the standard analog video interface in order to network such as the equipment related such as VCR, video-frequency monitor, video frequency camera with video.Any parts with analog video output of term used herein " video source " representative, nonrestrictive example is VCR (during broadcast), analog video gamma camera, TV receiver.Any parts with analog video input of term used herein " video object " representative, nonrestrictive example is VCR (during video) and analog video monitor.

To carry in order adopting, need to become additional adapter digital and that digital translation is become simulation to analog-converted by the video of digital data network from the video source to the video object.From Fig. 2 of thedigital data network 20 that is used for transmitting analog video signal is shown, this can become clear.Analog to Digital Converter (A/D) 21 is used for bycable16a video source 23 being connected withNetwork connecting member 14a, and analog video signal is converted to numerical data.Similarly, use Digital to Analog Converter (D/A) 25,, be fed tovideo object 24 so that network data signals is converted to analog video at receiving terminal.This A/D 21 and D/A 25 serve as the adapter of modulus and digital-to-analogue conversion and are expensive, and it needs and being connected of electric power outlet (or other power supply), and universal as yet on market.

Althoughdigital data network 20 convenient uses are common, the normal video unit of low price, needadapter 21 and 25, this makes that installation and maintenance is complicated and needs supplementary equipment therefore, connection and cable.In addition, these adapters need electric power to connect, and this further makes mounting, commissioning and maintenance complicated.

In addition, only be used for the network that is connected with video unit although Fig. 2 illustrates whereinoutlet 15a and 15c, current LAN is mainly used in the data communication that connects with data terminal equipment (DTE) parts (for example desktop PC, printer).In some cases, the quantity of outlet 15 (or connector 14) may be not enough for the application of telephone relation and data two aspects.For example, may such situation in the office, that is, the single network that each service area has by the single outlet 15 that has single connector 14 connects.In this case, must connect a hub (or other multiport unit) connects to expand to many networks.Fig. 3 illustrates a kind of like this configuration in the prior art network 30.In order to allowadapter 21a and DTE 7a to sharesingle network outlet 15a, add ahub 31a by connector 14a.Similarly, addhub 31c, with convenient adapter 21c and DTE 7c being connected throughconnector 14c and single network outlet 15c.Thereby, in this configuration, must addextra hub 31a and 31c, this introduces extra complexity in installation and maintenance.

The analog electrical phone network

There is more than 100 year in the analog telephone that generally is called " plain old telephone service " (" POTS "), and for the transmission of the voice signal of the 3-4KHz of audible spectrum part (or " frequency band ") and exchange it in design be thoughtful on the engineering.Habitual POTS network support in real time, low latency, high reliability, moderate fidelity voiceband telephone technology, and can set up and respectively use a shut die to intend the session of telephone set between two end points.

Term used herein " data cell ", " computer " and " personal computer " (" PC ") comprise and have work station and other data terminal equipment (DTE) that is used for the interface that is connected with local area network (LAN).Term used herein " telephone set " or " phone parts " comprise any parts that can be connected with the public switch telephone network (" PSTN ") that adopts analog telephone signal, and its non-limitative example is facsimile machine, automatic telephone answer phone and dialing modem.

Family's networking

Two or four lines are adopted in the home telephone service usually, are connected with them through phone outlet telephone set.

Fig. 4 illustrates the wiring configuration of prior art telephone system, and this telephone system comprises the network that is used for residence orother building 40 of andtelephone wire 5wiring.Telephone wire 5 comprises that the single line that is connected withterminal box 34 is right, thisterminal box 34 then be connected with public switch telephone network (PSTN) 41 by acable 33 that terminates in thepublic branch exchange 32, this foundation and enable telephone relation from a telephone set to another telephone set.The simulation low frequency audio frequency voice signal (typically being lower than 3KHz) that term herein " analog telephone " representative is traditional, be sometimes referred to as " POST " (" expressly old-fashioned telephone service "), and the telephone service of any kind briefly represented in term " telephone relation ", comprising the digital service such as Integrated Service Digital Network.Any frequency that is higher than this analog telephone audio frequency in fact of term herein " high frequency " representative for example is used for data frequency.ISDN typically uses near the frequency (typically concentration of energy is 40KHz) that is no more than 100KHz.Term herein " telephone wire " representative is mainly used in the conductor wire that transmits and distribute analog telephone, includes but not limited to preexist in the building and conductor wire that the analog telephone business can be provided atpresent.Terminal box 34 is used to make interphone and PSTN to divide to open, and is used as and is used for test facilities trouble shoot and that be used for family's new route.Many telephone sets can pass through a plurality ofphone outlet 35a, 35b, 35c are connected withtelephone wire 5 with 35d.Each outlet has a connector (being commonly referred to " jack (jack) "), represents with 36a, 36b, 36c and 36d respectively among Fig. 4.In the North America, jack adopts RJ-11 usually.Each outlet can be connected with a telephone set by " connector " connector that is inserted in this jack.

Network 40 is configured to have series connection or " daisy chain " topological structure usually, wherein connects up to next outlet from an outlet by linear fashion, but also can adopt other topological structure, for example star, tree-like or any any topological structure.But and this topological structure is irrelevant, and the telephone wiring system in the residence always is to use the line media: one or more outlets provide direct contact with these lines so that be connected with telephone set together with two or four copper cash.

Usually wish that the two uses existing telephone wiring simultaneously for telephone wiring and data arrange.In this manner, owing to do not need to install additional wiring, can simplify and set up in the family or the new local area network (LAN) in other building.Authorize 4,766, No. 402 patents of the U.S. (hereinafter referred to as " Crane ") of Crane and lecture a kind of local area network (LAN) that is based upon on the standard two-conductor line telephone wire, but its not supporting telephone conversation simultaneously.

Frequency domain/frequency division multiplex (FDM) notion is known technically, and it provides the bandwidth of wires carry is divided into the means that can be used for transmitting the low-frequency band of analog telephone signal and can be used for the high frequency band of carry data communication or other signal.For example authorizing this mechanism of explanation in 4,785, No. 448 patents of the U.S. (hereinafter referred to as " Reichert ") of Reichert etc.

Authorize in 5,896, No. 443 patents of the U.S. (hereinafter referred to as " Dichter ") of Dichter and opened up this technology.Dichter proposes a kind of method and apparatus to residence telephone wiring applying frequency domain/frequency division multiplex (FDM) technology, so that can transmit telephone signal and data traffic signals simultaneously.But the bandwidth that can use in the wiring is divided into the low-frequency band that can transmit analog telephone signal and the high frequency band of carry data communication signal.Under such mechanism, telephone relation is unaffected, provides its communication ability on the existing telephone wiring at home simultaneously.FDM also is widely used in the xDSL system, mainly is non-symmetrical figure local loop (ADSL) system.

Except that the telephone system of explanation residence, Fig. 4 also illustrates the structure of Dichter network.Network 40 is not only for analog telephony but also the local area network (LAN) of data cell is provided.Data terminal equipment (DTE)unit 7a, 7b and 7c are connected with this local area network (LAN) with 39c through data communications equipment (DCE)unit 39a, 39b separately.The example of data communications equipment includes but not limited to modulator-demodulator, line driver, line receiver unit and transceiver (composite type transmitter and transceiver represented in term herein " transceiver "), and this makes can be bytelephone wire 5communications.DCE unit 39a, 39b are connected with 38c with high pass filter (HPF) 38a, the 38b that the high frequency band oftelephone wire 5 carryings is visited in permission separately with 39c.In order to prevent the interference of telephone set, increase low pass filter (LPF) 37a, 37b and 37c and carry frequency band, thereby telephone set 22a, 22b are connected with thetelephone wire 5 that is used to provide PSTN with 22c to isolate POTS to the data network.In addition, but connect a low pass filter (not shown) in order to filter the noise buttedline boxes 34 of introducing or enterwiring 33 fromPSTN wiring 33.

Fig. 5 illustrates aLAN 50 based on telephone wire, and wherein data network is used for carry analog voice data and conventional DTE network data.Hub 31a, 31b and 31c allow by DCEunit 39a, 39b and 39c eachDTE unit 7a, 7b, 7c and eachvideo adapter 21a, 21b, 25 to be connected on separately the single networktie point.Adapter 21a, 21b are connected with 24 withvideo unit 23a, 23b respectively with 25.Low pass filter (LPF) 37a, 37b, 37c by separately also are shown, andanalog telephone 22a, 22b, 22c are connected withphone outlet 35a, 35c, 35d.Like this, analog telephone directly is connected with analog oftelephone line 5.

Fig. 5 shows the complexity of this configuration.At least need three types external component:DCE unit 39a, 39b and 39c; Hub 31a, 31b and 31c; Andadapter 21a, 21b and 25.Each of these parts needs independent power supply to connect usually, and this has increased the complexity that connects.Thereby, this network be complicated and be difficult to install, operation and safeguarding.The inventor in the International Patent Application WO of delivering September 27 calendar year 2001 01/71970 that is entitled as " Telephone outlet and systemfor a local area network over telephone lines " and in other patent application, propose DCE, HPF and LPF device are integrated amongoutlet 35a, 35b and the 35c.Butoutside hub 31a, 31b, 31c andadapter 21a, 21b, 25 still apply extra complexity to this network.

Extensively recognize, provide a kind of and need not additional external component and allow in lan environment to use analog video unit and device that allow easy installation, operation and maintenance can be to benefit.Satisfy this target by the present invention.

Summary of the invention

The invention enables easily and easily and in the digital data network environment, transmit analog video signal.The invention provides a kind of outlet that is used for having of Local Area Network of integrated analog video adapter.This outlet also has allow directly to connect with analog video unit and and the standard analog video connector that uses of digital data network.

In first embodiment, use together according to a kind of outlet of the present invention with such as the common lan environment of Ethernet 10BaseT (IEEE802.3).This outlet allows by this integrated analog video adapter analog video unit to be connected to LAN, support the analog video on the LAN media, but also utilize integrated multiport unit (for example hub, switch or router) to support the network data of standard to connect.Connect for the standard network data, this outlet also comprises at least one data networking jack that is connected with a port (for example being RJ-45 when using 10Base T or 100Base TX).

In another embodiment, this outlet makes the LAN can be based on the telephone wiring in the building under family or small office/family office (SoHo) environment.Realize packet-based LAN, and serve as phone outlet, network outlet and analog video according to outlet of the present invention.This allows directly and easily to connect analog video unit on this data network.In this layout, owing to simulate part by the low frequency of FDM technology insulation frequency spectrum, the conventional simulation telephone service is unaffected.As described above, utilize the also network enabled data connection of this outlet of integrated multiport unit (for example hub, switch or router), and can comprise the data network jacks that is connected with a port (for example, if be RJ-45 when using 10Base T or 100Base TX) in the case.

Can be being mounted to a part that primitive network installs according to outlet of the present invention, setting up a network as the improvement of existing network or having on the telephone wire.

According to first aspect present invention, provide a kind of being used for that the analog signal unit is connected to the outlet on the digital form transmission Analog signals'digital data network, this digital network is based on wiring, and this outlet comprises: (a) first connector is used to connect this outlet and this wiring; (b) at least one is used for second connector of connection mode analog signal unit; And (c) one be coupling between this first connector and this at least one second connector, be used for the adapter between the analog signal of digital form and analog signal, changed.

According to second aspect present invention, provide a kind of being used for that the analog signal unit is connected to the method that transmits the Analog signals'digital data network with digital form, this digital network is based on wiring, and the method comprising the steps of: (a) by first connector outlet is connected in this wiring; (b) by at least one second connector the analog signal unit is connected on the outlet; And (c) be provided with and be coupling between this first connector and this at least one second connector, be used for the adapter between the analog signal of digital form and analog signal, changed.

According to third aspect present invention, a kind of wired digital data network that is used for transmitting with digitized forms analog signal is provided, this network comprises: the network layout that comprises at least two conductors, and at least two outlets that allow to enter this network layout, wherein, at least one outlet allows to be connected with at least one analog signal unit, so that transmit digitized analog signal by this network on this network layout.

Description of drawings

This paper illustrates the present invention with reference to each accompanying drawing by nonrestrictive example, in the accompanying drawing:

Fig. 1 illustrates the prior art local area network (LAN).

Fig. 2 illustrates the external analog video adapter that utilizes of prior art and supports the local area network (LAN) that analog video transmits.

Fig. 3 illustrates the connectivity support analog video transmission that utilizes external adapter and DTE of prior art and the local area network (LAN) of data terminal equipment.

Fig. 4 illustrates the local area network (LAN) that prior art forms by telephone wire.

The local area network (LAN) that the support analog video that Fig. 5 illustrates prior art transmits and DTE is internuncial, form by telephone wire.

Fig. 6 a, 6b, 6c and 6d schematically illustrate the outlet according to different embodiments of the invention.

Fig. 7 schematically illustrates the outlet according to another embodiment of the present invention.

Fig. 8 illustrates and adopts support analog video and the internuncial local area network (LAN) of DTE that uses adapter according to outlet of the present invention.

Fig. 9 schematically illustrates the outlet that a kind of foundation support analog telephone of the present invention, DTE connectivity and analog video transmit.

Figure 10 illustrates a kind of foundation outlet of the present invention.

Figure 11 illustrate one that form by telephone wire, adopt according to outlet of the present invention, use adapter to support analog video to transmit and the internuncial local area network (LAN) of DTE.

Figure 12 illustrates the general type according to outlet of the present invention, and it can be used for various cable network environments, for example CATV and power network.

Embodiment

By can understand principle and operation with reference to each accompanying drawing and the explanation of following according to network of the present invention.Accompanying drawing and explanation only are conceptual.In practice, individual devices can be realized one or more functions; Perhaps alternatively, every kind of function can realize by multiple device and circuit.In accompanying drawing and explanation, identical reference number is represented identical device in different embodiment or the configuration.

Fig. 6 a to 6d schematically illustrates theoutlet 70,75,76 and 78 according to different embodiments of the invention.As shown in Fig. 6 a,outlet 75 comprises an A/D 21.Outlet 75 is connected with the data network wiring by connector 71.Connector 71 preferably is positioned at the back side ofoutlet 75, mechanically is installed on the interior wall of building from this position outlet 75.Outlet 75 is connected with an analog video signal source by jack 72.Jack 72 preferably is positioned on positive or " panel " ofoutlet 75, can seejack 72 whenoutlet 75 is installed on the interior wall of building.Jack 72 can be the BNC jack, and perhaps any other is generally used for the analog video connector of analog video.Outlet 75 allows byconnector 71, via the bridge joint ofadapter 21 analog video source (through jack 72) is connected to this data network.Similarly,outlet 76 shown in Fig. 6 b comprises that D/A 25 andanalog video connector 77 are connected to the analog video target on theoutlet 76 byconnector 77 allowing, wherein analog signal by D/A 25 generations and from this digital data network throughconnector 71 feed-ins.Outlet 75 and 76 all allows by this outlet single video unit (source or target) to be connected on this network.

As shown in Fig. 6 c,outlet 70 also comprises A/D 21 (being similar to outlet 75), but also comprises ahub 31 and one andhub 31 direct-connected data jacks 73.Becausehub 31,outlet 70 allows byconnector 71 analog video (through jack 72) and data cell (through jack 73) to be connected with this data network.Jack 72 andjack 73 preferably all are positioned on positive or " panel " of outlet 70.Similarly, the outlet shown in Fig. 6d 78 allows byconnector 71 analog video (through jack 77) and data cell (through jack 73) to be connected with this data network.

Fig. 7 illustrates a kind of concrete general outlet 79.This outlet can be connected with this network through 72 analog video sources that are connected with A/D 21 of connector, and throughconnector 73 data cell is connected with this network for the analog video target is connected with this network by D/A 25.Thereby need one fourport concentrator 31 with allow D/A 25, A/D 21 and with data cell thatconnector 73 is connected between shared data.

Fig. 8 illustrates according toLocal Area Network 80 of the present invention.The foundation structure ofnetwork 80 is identical with prior art network 10 (Fig. 1) basically, the latter under " star "topological structure hub 11 bynetwork layout 13a, 13b, 13c anddraw 15a, 15b, 15c is connected with various end units.But according to the present invention, it is alternative with reference tooutlet 70a, 75b and the 78c of the adapter of Fig. 6 explanation thatoutlet 15a, 15b in theprior art network 10 and 15c contain the front by each respectively.For example, thus outlet 75b has the connection that a built-in A/D 21b allows to be used for analog video source 23b.Outlet 70a allowsanalog video source 23a anddata cell 7a are connected to this network.Similarly, outlet 78c allowsanalog video target 24c anddata cell 7c are connected to this network.Hub 31a and 31c are integrated in respectively withinoutlet 70a and the 78c, except eachanalog video unit 23a and 24c, also allow eachDTE unit 7a and 7c are connected on this network.The networking ofnetwork 80permission DTE unit 7a, 7c andanalog video unit 23a, 23b, 24c, the example of this network can constitute by an example by the outlet 75 (Fig. 6) of only supportinganalog video source 23 on this network.Equally, it can be only by the example formation of theoutlet 70 of all supporting analog video unit and data networking (Fig. 6 c) or outlet 78 (Fig. 6 d), and perhaps it is the mixed preparing by any amount and compound mode of anyoutlet 79,75,76,70 and 78.

Power supply to above mentioned any outlet can be connected with each outlet to realize by making electric power locally, perhaps preferably self realizes by this network.Under a kind of being commonly referred in back " by the LAN power supply " situation, can dispose (phantom configuration) by additional lead to utilizing known illusion from central part, perhaps transmit electric power to outlet by FDM (frequency division/frequency domain is multiplexed) method.The latter adopts on the frequency the isolated DC of data that transmits with higher part with frequency spectrum to present usually.

Network 80 provides the benefit of carry analog video, may non-existent LAN wiring foundation structure in the family but need.In another embodiment, the present invention is used in the data network that forms by building built-in telephony line, wherein carries analog telephone signal on the low frequency part of frequency spectrum, and carry data traffic signals on HFS.Fig. 9 illustrates a kind offoundation outlet 90 of the present invention, its can separate with the combined spectral different piece in signal.Theconnector 91 at the rear portion ofoutlet 90 by preferably being positioned atoutlet 90 is connected with telephone wiring, mechanically is installed on the interior wall of building atoutlet 90 on this rear portion.Low pass filter in the outlet 90 (LPF) 37 is used to isolate the analog telephone part of frequency spectrum and is used for connecting analog telephone by jack 92.Jack 92 is the standard telephone jack preferably, for example the RJ-11 of North America.Utilize high pass filter (HPF) the 38 isolated data signals of communication that are connected with data communications equipment (DCE)unit 39 that is comprising the modulator-demodulator that is used for the data communication undertaken by the telephone wire media.Integrated hub 41 allows shared data betweenanalog video adapter 21,25 anddata jack 73, and whereindata jack 73 is used for by the DCEunit 39 that has normal data networking interface (the 10Base T interface of for example abideing by IEEE802.3) external component being connected to this network.Adapter 21 and 25 allows the analog video parts respectively tojack 72 and 77 be connected as previously explained above, thereby allows to be made up with digital form and digital signal bydata jack 73 receptions by the analog video signal that produces with analog video unit thatjack 72 is connected with 77.Jack 92 is the standard telephone jack preferably, the example RJ-11 of North America.Jack 72 and 77 is standard analog video jacks BNC for example preferably.Outlet 90 is supported standard analog telephones (by jack 92) and analog video (by jack 72 and 77).

Like this,outlet 90 is supported four types interface: conventional simulation telephone relation (by jack 92), data communication (by jack 73) is by the analog video source connection ofjack 72 and the analog video target connection of passing through jack 77.The subclass of these functions can also be provided.For example, can realize only supporting the outlet of analog video target connection, thereby not needLPF 37 andjack 92, and not needhub 41 andjack 73 and A/D 21 and relevant jack 72.In this case, D/A 25 directly is connected with DCE unit 39.Figure 10 illustrates outlet 90.The shape of this outlet and structure meet the routine call outlet setting of North America, andtelephone jack 92 is the RJ-11 type, anddata connector 73 is the RJ-45 type, andanalog video connector 72 and 77 adopts BNC type connectors.

Figure 11 illustrates according to the network that moves ontelephone wire 5a, 5b, 5c, 5d and 5e 100 of the present invention.Network 100 usesoutlet 104a, 101b, 102c and 103d.The difference ofoutlet 104a andoutlet 90 is not have the analog video target and is connected support, because it does not have D/A 25 and relevant jack.The difference ofoutlet 101b andoutlet 104a is not have PSTN and is connected support, because it does not haveLPF 37 and relevant jack.Similarly,outlet 102c is connected by adoptingLPF 37b only to allow to be used for PSTN with an analog telephone connector jack.The difference ofoutlet 103d andoutlet 90 is not have analog video source and is connected support, because it does not have A/D 21 and relevant jack.The difference ofoutlet 101b andoutlet 104a is not have PSTN and is connected support, because it does not haveLPF 37 and relevant jack.Any mixing or any other modification of these outlets (104a, 101b, 102c and 103d) all are possible.

Network 80 and 100 is all supported the connectivity of video unit and DTE.But, be not limited to only between each video unit, carry out analog video signal and transmit.For example, the analog video signal thatvideo source 23 produces can be routed to PC 17 (as shown in Fig. 1 and 2), wherein on the PC monitor or directly vision signal is shown by data monitor, and can be in the PC memory stored video signal.Similarly, can be to the digital content invideo object 24 output PC or any other digital storage equipment.

Thenetwork 100 of Figure 11 supports analog video signal to transmit byanalog video unit 23a, 23b and 24c.Similarly, can enter the pstn telephone business byanalog telephone 22a, 22b and 22c.In addition, can realize data networking bydata cell 7a, 7b and 7c.

Althoughtop outlet 79,90 and their modification respectively are illustrated as is up to that a video source connects, a video object connects and a data unit interface, should be understood that and in single outlet, can support a plurality of such interfaces.For example can add an additional video source interface to outlet by adding an auxiliary hub port (if needs), this port is connected with an auxiliary A/D unit 21 that links to each other with a connection assist 72.Similarly, can comprise a plurality of data network interfaces in an outlet, wherein the different port of each hub corresponding with each (for example hub 41a) connects.

So far, although with respect to telephone wiring and phone outlet the present invention has been described, the present invention can be applied to wired networking of any kind in the building, for example CATV or power wiring similarly.Figure 12 illustratesoutlet 110, and it is general embodiment of the present invention.Outlet 110 and outlet 90 (Fig. 9) are similar on total arrangement.Outlet 110 connects with relevant wiring byconnector 111 and has an integrated form data/service detach device/combiner unit 112, and thisunit 112 is isolated the data and the main business signal that carry in the wiring.Under the situation of phone,unit 112 includes a low pass filter (for example LPF 37) and a high pass filter (for example HPF 38).Under the situation of power wiring, separate AC power supplies and be fed tosocket 114 byunit 112, so that as routine, power.In this case, the modulator-demodulator 113 as power line carrier (PLC) modulator-demodulator makeshub 41 and integrated form data/service detach device/combinerunit 112 interfaces, thereby allows to carry out data communication by power line.Similarly, under the situation that CATV uses (wherein the CATV wiring is used as network infrastructure), a coaxial cable modem serves as modulator-demodulator 113, andunit 112 isolates CATV signal and data-signal.

Although with respect to the data network based on Ethernet the present invention has been described, the present invention can be applied to the cable network of any kind similarly, comprises not packet-based network.In addition, although be most important for the wide area network packet network, the present invention is not limited only to packet network, but the digital data network that can be applied to that any wherein vision signal is digitized and carry by digital form.

Although transmitted with respect to the analog video on the digital data network the present invention has been described, the present invention can be applied to any analog signal similarly, comprises voice or analog sensor.For example, can utilize this network that simulated audio signal is sent to long-range analog speakers from audio system.

Although carry out simple numericalization with respect to the analog video that utilizes 21 pairs of inputs of A/D or audio signal the present invention has been described, can in intake, have used other analog or digital and handle.For example such as shown in Figure 9, aprocessor 95 that allows compress technique can be set so that can use the bandwidth of digital data network effectively.The mpeg encoded technology is the technology that technical known compression molding fits audio signal.Under this occasion, the output ofprocessor 95 and A/D 21 couples, and comprises the mpeg encoder of being realized byprocessor 95 though also can be modified as A/D 21.Similarly, the analog or digital that a part that can be used as D/A 25 is correlated with to signal is handled, for example the part of MPEG decoder as this unit.

In addition, although the present invention has been described with respect to network based on continuous conduction media (phone, CATV or electric power), and with networking foundation structure be connected in parallel relevant modulator-demodulator and relevant circuit, but it is discontinuous but be divided into the situation of discrete segments that the present invention can be applied to wherein wiring as open among the inventor's the WO00/07322 with being equal to, and this article is included this specification as a reference.

In the data network that can in office or home environment, newly install and illustrated the present invention of application in improve using (wherein with substitute existing outlet (LAN, phone or other) according to outlet of the present invention) with being equal to.

Although the present invention has been described, should understands and to make many modification, modification and other application to the present invention according to a limited number of embodiment.

Claims (13)

1. one kind is used for analog video unit is couple to the right equipment of telephone wire, this telephone wire is to being connected to the analog telephone signal and the two-way packet-based numerical data of serial of carrying simultaneously in the analog telephone frequency band, this numerical data comprises the digital video data in and numerical data frequency band on this analog telephone frequency band different with the analog telephone frequency band, and described equipment comprises:

The telephone wiring connector, it is right to be used to connect the device to telephone wire;

Be couple to the high pass filter of described telephone wiring connector, be used for only passing through basically the signal of numerical data frequency band, and be used for suppressing basically the signal of analog telephone frequency band;

Be couple to the telephone wiring modulator-demodulator of described high pass filter, be used for by telephone wire the two-way packet-based numerical data of conduction serial;

The analog video connector, it is connected to and is used for analog video signal is coupled to analog video unit;

Transducer between analog video signal that is coupled to described analog video connector and digital video data signal, described transducer one of comprise in analogue-to-digital converters and the digital-analog convertor at least;

Multiport grouping sharing means, it comprises one of following: switch; Router; Gateway; This multiport grouping sharing means is coupled between described transducer and the described telephone wiring modulator-demodulator, so that only pass through digital video data therebetween; And

Single housing is used to hold described telephone wiring connector, described high pass filter, described telephone wiring modulator-demodulator, described analog video connector, described transducer and described multiport grouping sharing means;

Wherein said housing can be attached on the wall, and described equipment can be addressed in digital data network.

2. equipment as claimed in claim 1 also can be operated and is used for telephone set is coupled to described analog telephone signal, and described equipment also comprises:

Be couple to the low pass filter of described telephone wiring connector, be used for only passing through basically the signal of analog telephone frequency band; And

Be couple to described low pass filter and can be connected to the standard telephone connector of analog telephone, be used for analog telephone signal is coupled to this telephone set.

3. equipment as claimed in claim 1, wherein said single housing be configured to have following in one of at least:

Be substantially similar to the form of standard outlet;

Be substantially similar to the wall installing component of standard wall outlet;

Allow directly to be installed to the shape in outlet socket or the opening; And

The form that replaces the standard outlet to small part.

4. equipment as claimed in claim 1, wherein said equipment can insert the phone outlet mechanically and can electrically be attached to this phone outlet.

5. equipment as claimed in claim 1, wherein said single housing are configured to be attached to fixing pairing fixture on the wall.

6. equipment as claimed in claim 1, the two-way packet-based numerical data of wherein said serial also comprises first digital data signal, and described equipment also is operated and is used for this first digital data signal is coupled to data cell, described equipment also comprises:

Can be connected to the data interface connector of this data cell; And

Be coupled in the transceiver between described multiport grouping sharing means and the described data interface connector, be used to conduct the bidirectional linked list numerical data with this data unit communication;

Wherein, described multiport grouping sharing means is coupled between described telephone wiring modulator-demodulator and described transceiver by first numerical data.

7. equipment as claimed in claim 6 wherein meets ethernet standard or Internet Protocol with communicating by letter of described data cell.

8. equipment as claimed in claim 1, wherein said telephone wiring modulator-demodulator are manipulated into to be carried out and the two-way communication that is connected to the right one or more same phone cloth line modems of telephone wire.

9. equipment as claimed in claim 1, wherein said telephone wiring modulator-demodulator are manipulated into by telephone wire carrying out and the full duplex point-to-point communication of single other telephone wiring modulator-demodulators only.

10. equipment as claimed in claim 1, wherein said transducer comprises analogue-to-digital converters, described analog video unit is a video source.

11. equipment as claimed in claim 1, wherein said transducer comprises digital-analog convertor, and described analog video unit is a video receiver.

12. equipment as claimed in claim 1, wherein digital video data is a compressed format, and described equipment also comprises digital compressor or the digital solution compression device that is coupled between described transducer and the described multiport grouping sharing means.

13. equipment as claimed in claim 12, wherein said compression is based on MPEG's.

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