CN1963914B - A digital TV device capable of realizing multi-monitor frequency division technology - Google Patents

Abstract

Translated fromChinese

本发明公开了一种可实现多显示器分频技术的数字电视设备，包括用户操作控制器、微处理器和主显示器，用户操作控制器具有用于发出主频编码段的二进制编码、控制主显示器的主频子控制面板；此外电视设备还包括外接显示器；用户操作控制器还具有用于发出次频编码段的二进制编码、控制外接显示器的次频子控制面板；微处理器还嵌有用于接收用户操作控制器发出的二进制编码信号，并进行放大、解码、鉴别、分离及输出处理的分频功能模块；主显示器和外接显示器分别通过对应的接口电路与嵌有分频功能模块的微处理器连接。本发明通过一台电视机在不同显示器终端上同时实现不同的功能，节省了费用，使用方便且互不影响，可以满足不同人群不同的使用需求。

The invention discloses a digital television device capable of realizing multi-display frequency division technology, which includes a user operation controller, a microprocessor and a main display. The main frequency sub-control panel; in addition, the TV equipment also includes an external display; the user operation controller also has a sub-frequency sub-control panel for sending out the binary code of the sub-frequency code segment and controlling the external display; the microprocessor is also embedded for receiving the user The frequency division function module that operates the binary coded signal sent by the controller and performs amplification, decoding, identification, separation and output processing; the main display and the external display are respectively connected to the microprocessor embedded with the frequency division function module through the corresponding interface circuit . The present invention simultaneously realizes different functions on different display terminals through one television set, saves costs, is convenient to use and does not affect each other, and can meet different use demands of different groups of people.

Description

A kind of digital television devices of realizing frequency splitting technology with multi-display

Technical field

The present invention relates to a kind of digital television devices, relate in particular to a kind of digital television devices of realizing frequency splitting technology with multi-display.

Background technology

Along with the develop rapidly of electronic computer technology and the raising of people's living standard, Digital Television has begun to be applied in the middle of the daily life as a kind of fashion and high-tech product.So-called Digital Television, be exactly through oversampling, quantification and coding with traditional anolog TV signals, convert digital signal to, handle then, transmit, various functions such as storage and record, perhaps handle, monitor and control with robot calculator with binary number representative.New Digital Television system is compared with traditional simulation NTSC television system NTSC system, and its superiority mainly is: (1) saves channel, can transmit the digital TV programme of five covers in a simulation NTSC television system NTSC satellite repeater; (2) save emissive power, in the same signal service area, needed average transmit power is than the low order of magnitude of simulation system peak power; (3) picture quality of Jie Shouing is higher, and width of cloth shape ratio is 16: 9, more near people's naked eyes vision; (4) be convenient to carry out multiple digital processing business (comprising encrypted/scrambled); (5) compatibility and interoperability better (can be connected) with the multimedia computer network.The advantage that Digital Television possessed promoted popularizing of Digital Television effectively and promoted, for people's life brought convenient and comfortable.

In addition, along with the development of material progress and social civilization, people's the leisure mode and the TV programme of medium become increasingly abundant colorful, for people provide multiple choices, have enriched people's life.In order to satisfy user's multiple demand simultaneously, at present some television manufacturers developed have picture-in-picture, the television equipment of double vision window function, can play two signal sources simultaneously, and between any two signal sources, switch.Like this,, the user sees TV, while or see TV showing DVD while just can surfing the Net.Simultaneously, multiple image zoom pattern can transfer to image the optimal ratio of watching, to satisfy the needs that the user watches different programs and film source.Yet, present this class television equipment, when realizing playing two channels or picture-in-picture function simultaneously, only be to be confined on the display terminal, promptly just be confined to a display area, therefore exist following obvious defects: the image of (1) different programs is simultaneously displayed on the same display, and interference is arranged between the program mutually, and the user appreciates the program inconvenience; (2) same display can't satisfy the user demand of different crowd in the different location, and multiple TV set need be bought at one family and this situation could be solved, the expense height is economical and practical inadequately.

Summary of the invention

The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of and can on different display terminal, realize different functions simultaneously, with the digital television devices of the frequency splitting technology with multi-display realized that satisfies the different user demands of different crowd by a televisor.

Purpose of the present invention is achieved by the following technical programs:

A kind of digital television devices of realizing frequency splitting technology with multi-display provided by the invention, comprise user's operation control, microprocessor and basic display unit, described user's operation control has the binary coded signal that is used to send the dominant frequency coding section, the sub-control panel of dominant frequency of control basic display unit;

In addition, described television equipment also comprises the external display that is used to realize Presentation Function;

Described user's operation control also has time sub-control panel of frequency, is used to send time binary coded signal of frequency coding section, controls external display;

Described microprocessor also is embedded with the division function module, is used to receive the binary coded signal that user's operation control sends, and amplifies, decodes, differentiates, separates and export processing; This division function module comprises:

The encoding process module, be used for to the binary coded signal that user's operation control sends receive, amplification, decode operation, make binary coding become the pulse signal that circuit can be recognized;

The pulse signal identification module is used for differentiating according to different coding section pulse signals, and it is divided into corresponding dominant frequency coding section and time frequency coding section;

The pulse signal separation module is used for the pulse signal of pulse signal division that identification module is differentiated is separated into corresponding dominant frequency pulse signal and time frequency pulse signal;

Described basic display unit and external display are connected with the described microprocessor that is embedded with the division function module by relative interface circuit respectively.

The present invention is by improving user's operation control, and in microprocessor, embed the division function module, the external display (as the display of at present used surveillance equipment) of realizing simple Presentation Function on the basis of original televisor is realized its multi-display division function simultaneously.

User's operation control of the present invention can be this switch dish or telepilot, has increased control panel frequently on the basis of existing technology one time, thereby forms dominant frequency and inferior two sub-control panels frequently.Two sub-control panels carry out binary coding at different coding section (dominant frequency coding section and time coding section) frequently respectively, and respectively the coded signal of different coding section are sent.After the division function module that embeds microprocessor receives the coded signal that this switch dish or telepilot send, at first coded signal is amplified, operation such as decoding, to export corresponding pulse signal.Then pulse signals is differentiated, and isolates the command signal of corresponding dominant frequency coding section and time frequency coding section.Then, the command signal of different coding section enters relative interface circuit respectively, carry out a series of audio frequency and video processing, menu processing and A/D conversion etc., at last TV signal is delivered to respectively on the basic display unit and external display of this machine, thereby realized the multi-display division function.Like this, just can on different display terminal, independently operate simultaneously, realize required separately function by a televisor.

The core that realizes function of the present invention is the division function module, by encoding process module, pulse signal identification module and pulse signal separation module realize coded signal reception, amplification, decoding, discriminating, separate and output function.Can take following further measure particularly:

Described encoding process module comprises:

Be used to receive the reception submodule of the binary coded signal that user's operation control sends;

Be used to amplify the amplification submodule of binary coded signal;

Be used for binary coded signal is decoded, to change the decoding submodule of the pulse signal that circuit can recognize into.

Described pulse signal identification module comprises:

The perception submodule that is used for the pulse signal of perceptual coding processing module acquisition;

Be used to contrast contrast submodule at the pulse signal of different coding section;

Be used for pulse signal being divided into the division submodule of two sub-pulse signals according to the comparing result of contrast submodule.

Described pulse signal separation module comprises:

Be used to search out the search submodule of all different pulse signals that meet the different coding section;

The different pulse signal that is used for searching out is separated, and becomes the segregant module of dominant frequency pulse signal and time two signal sources of frequency pulse signal.

The present invention has following beneficial effect:

(1) televisor is as long as embed a division function module, and external again several display terminal just can realize that a televisor works as many uses, have saved expense, and are economical and practical.

(2) but each display terminal independent operation be independent of each other, the user can realize own required function in different display terminal, and is convenient and swift.

(3) televisors can be play the program of different channel simultaneously on different display terminal, satisfied the user demand of different crowd different location.

Description of drawings

The present invention is described in further detail below in conjunction with embodiment and accompanying drawing:

Fig. 1 is the structural principle block diagram of the embodiment of the invention;

Fig. 2 is the principle of work block diagram of embodiment of the invention user operation control;

Fig. 3 is the principle of work block diagram of embodiment of the invention pulse signal identification module;

Fig. 4 is the principle of work block diagram of embodiment of the invention pulse signal separation module;

Fig. 5 is the principle of work block diagram of embodiment of the invention division function module;

Fig. 6 is the connection diagram of embodiment of the invention external device (ED).

Embodiment

Fig. 1～Figure 6 shows that embodiments of the invention comprises user's operation control, is embedded with microprocessor, basic display unit and the external display of division function module.As shown in Figure 1, user's operation control is this switch dish or telepilot, the request instruction of the user input form with binary coded signal is sent, processing by the division function module, different TV signal is sent into basic display unit and external display, thereby realize its multi-display division function.

As shown in Figure 2, this switch dish or telepilot have sub-control panel of dominant frequency and time sub-control panel of frequency, controlling basic display unit and external display (referring to Fig. 6) respectively, and respectively dominant frequency coding section (being decided to be the X-Y coding section approximately) and time frequently coding section (being decided to be the M-N coding section approximately) carry out binary coding.For the user instruction request of the sub-control panel of dominant frequency, thescrambler 1 of the sub-control panel of dominant frequency carries out the coding of X-Y coding section to it, and it is sent; For the user instruction request of inferior frequency control panel, the scrambler 2 of inferior frequency control panel carries out the coding of M-N coding section to it, and it is sent.

Embed the division function module of microprocessor, be used to receive the binary coded signal that this switch dish or telepilot send, and amplify, decode, differentiate, separate and export processing.This division function module comprises:

The encoding process module, conciliating the numeral module by reception submodule, amplification submodule forms, be used for to the binary coded signal that this switch dish or telepilot send receive, amplification, decode operation, make binary coding become the pulse signal that circuit can be recognized;

The pulse signal identification module as shown in Figure 3, is made up of perception submodule, contrast submodule and division submodule.The perception submodule is used for the pulse signal that the perceptual coding processing module obtains, contrast the pulse signal that identifies in X-Y and M-N different coding section by the contrast submodule, divide submodule and pulse signal is divided into two sub-pulse signals by the comparing result that contrasts submodule.

The pulse signal separation module, as shown in Figure 4, forms with the segregant module by the search submodule. search for submodule and at first search out all and meet different pulse signals at X-Y and M-N coding section, through the segregant module they are separated again, become dominant frequency pulse signal and time two signal sources of frequency pulse signal.

As shown in Figure 5, after the binary coded signal that this switch dish or telepilot send is handled by the aforesaid operations of division function module, two signal sources that obtain enterrelative interface circuit 1 and interface circuit 2 again, two interface circuits call operations such as audio frequency and video processing, menu processing and A/D conversion respectively according to instruction request, enter corresponding basic display unit and external display.

When the external a plurality of display of needs, because external display is equal, because of this time frequency control panel can be controlled each external display on an equal basis.At this moment, can be provided with 1,2,3 by corresponding each external display at inferior frequency control panel place ... Deng serial number key,, just can control different external displays by the switching between the different serial number keys of inferior frequency control panel again by corresponding setting.

Claims (3)

1. the digital television devices that can realize frequency splitting technology with multi-display, comprise user's operation control, microprocessor and basic display unit, described user's operation control has the binary coded signal that is used to send the dominant frequency coding section, the sub-control panel of dominant frequency of control basic display unit; It is characterized in that:

Described television equipment also comprises the external display that is used to realize Presentation Function;

Described user's operation control also has time sub-control panel of frequency, is used to send time binary coded signal of frequency coding section, controls external display;

Described microprocessor also is embedded with the division function module, is used to receive the binary coded signal that user's operation control sends, and amplifies, decodes, differentiates, separates and export processing; This division function module comprises:

The encoding process module, be used for to the binary coded signal that user's operation control sends receive, amplification, decode operation, make binary coding become the pulse signal that circuit can be recognized;

The pulse signal identification module is used for differentiating according to different coding section pulse signals, and it is divided into corresponding dominant frequency coding section and time frequency coding section, and described pulse signal identification module comprises:

The perception submodule that is used for the pulse signal of perceptual coding processing module acquisition;

Be used to contrast contrast submodule at the pulse signal of different coding section;

Be used for pulse signal being divided into the division submodule of two sub-pulse signals according to the comparing result of contrast submodule;

The pulse signal separation module is used for the pulse signal of pulse signal division that identification module is differentiated is separated into corresponding dominant frequency pulse signal and time frequency pulse signal;

Described basic display unit and external display are connected with the described microprocessor that is embedded with the division function module by relative interface circuit respectively.

2. the digital television devices of realizing frequency splitting technology with multi-display according to claim 1 is characterized in that described encoding process module comprises:

Be used to receive the reception submodule of the binary coded signal that user's operation control sends;

Be used to amplify the amplification submodule of binary coded signal;

Be used for binary coded signal is decoded, to change the decoding submodule of the pulse signal that circuit can recognize into.

3. the digital television devices of realizing frequency splitting technology with multi-display according to claim 1 and 2 is characterized in that described pulse signal separation module comprises:

Be used to search out the search submodule of all different pulse signals that meet the different coding section;

The different pulse signal that is used for searching out is separated, and becomes the segregant module of dominant frequency pulse signal and time two signal sources of frequency pulse signal.

Images