BACKGROUND OF THE INVENTIONThis invention generally relates to an apparatus for controlling a telephone and, more particularly, to an apparatus that includes a device sensitive to light in communication with a controller so that in response to ambient light below a predetermined level, said device provides a signal to said controller which then disables the telephone ringer.[0001]
FIELD OF THE INVENTIONRelated Art[0002]
With ever expanding telephone usage, we are increasingly inundated with unwanted telephone calls. Anyone who has been startled awake at night by a “wrong number” knows that it is desirable for telephone subscribers to be able to disable the ringer mechanism of their telephones when they do not want to be disturbed. Thus, one could elect to disable a telephone's ringer while sleeping, eating, bathing, or simply while engaged in a quiet activity. Prior to modern modular telephone connections, the only method of silencing a telephone's ringer was to turn down the ringer's volume, or leave the receiver off of the hook. Now, one can simply disconnect the modular plug from the telephone itself or from the wall jack. With the telephone disconnected, the caller would hear a ring signal and assume the person called is not in, while the person called hears nothing.[0003]
There are, however, numerous problems associated with disconnecting a telephone's modular plug. First, this method requires the user to remember to employ the remedy. In addition, the user must also remember to reconnect the modular plug to reinstate telephone service. Thus, disabling a telephone's ringer via pulling its modular plug is subject to the same risks and problems that are associated with turning the ringer's volume down or leaving the receiver off the hook. People forget and, thus, receive calls at unwanted times or miss calls they are willing to receive. Over the years, people have attempted to solve the problems addressed by this invention in numerous ways. For example, timers have been used in combination with telephone silencers to disable a telephone for time periods when the user does not wish to be disturbed. Similarly, there are commercial devices available that have on-off switches that allow a telephone ringer to be enabled and disabled. However, these too require that the user remember to employ the remedy in order to avoid phone calls, and then remember to reactivate it when willing to receive calls. Consequently, there is a need for an apparatus that selectively enables and disables a telephone ringer.[0004]
SUMMARY OF THE INVENTIONIn order to overcome the disadvantages of the prior art, the present invention includes a light sensing device operable to produce a signal indicative of a level of ambient light; and a controller operable to receive the signal and disable the telephone ringer when the signal indicates that the ambient light has reached a predetermined level.[0005]
According to another aspect of the present invention, an apparatus for disabling a telephone ringer includes a light sensing device operable to produce a first signal indicative of a level of ambient light; a timing device operable to produce a second signal indicative of a timing condition; and a controller operable to receive the first and second signals and disable the telephone ringer when either (i) the first signal indicates that the ambient light has reached a predetermined level, or (ii) the second signal indicates that a predetermined timing condition has been satisfied. According to a further aspect of the present invention, an apparatus for disabling a telephone ringer includes a light sensing device operable to produce a first signal indicative of a level of ambient light; a timing device operable to produce a second signal indicative of a timing condition; a controller operable to receive the first and second signals and disable the telephone ringer when either (i) the first signal indicates that the ambient light has reached a predetermined level, or (ii) the second signal indicates that a predetermined timing condition has been satisfied; and a recording device operable to communicate with the controller and play back a recording to a calling party. According to still another aspect of the present invention, an apparatus for disabling a telephone ringer includes a light sensing device operable to produce a first signal indicative of a level of ambient light; a timing device operable to produce a second signal indicative of a timing condition; a recording device operable to play back a recording to a calling party, the recording prompting the calling party to provide indicia that the call is a priority call; and a controller communicating with the light sensing device, the timing device and the recording device, the controller being operable to receive the first and second signals and both (i) disable the telephone ringer, and (ii) enable the recording device such that the recording device may play back the recording to the calling party, when either (i) the first signal indicates that the ambient light has reached a predetermined level, or (ii) the second signal indicates that a predetermined timing condition has been satisfied, the controller being operable to initiate an emergency sequence when the indicia indicates that the call is a priority call. Additional objects, features and advantages of the present invention will become apparent from the following description and the appended claims, taken in connection with the accompanying drawing.[0006]
BRIEF DESCRIPTION OF THE DRAWINGSFor the purpose of illustrating the invention, there are shown in the drawing forms which are presently preferred, it being understood, however, that the invention is not limited to the precise arrangements and instrumentalities shown.[0007]
FIG. 1 is a block diagram of an apparatus for disabling a telephone ringer in accordance with at least one aspect the present invention;[0008]
FIG. 2 is a block diagram of an apparatus for disabling a telephone ringer in accordance with another aspect of the present invention; and[0009]
FIG. 3 is a block diagram of an apparatus for disabling a telephone ringer in accordance with yet another aspect of the present invention.[0010]
DETAILED DESCRIPTION OF THE INVENTIONReferring now to the drawing wherein like numerals indicate like elements, there is shown in FIG. 1 a first embodiment of the present invention.[0011]Apparatus10 is a telephone controlling system which includeslight sensor12,controller14 andtimer16 as shown. Both thelight sensor12 andtimer16 communicate withcontroller14 which in turn serves to enable and disableringer20 oftelephone18.
While[0012]timer16 is shown in this embodiment, it will be appreciated by those of ordinary skill in the art thattimer16 need not be included inapparatus10. That is,apparatus10 could merely consist oflight sensor12 andcontroller14 in communication withtelephone18 and15ringer20. Accordingly,connection17 betweentimer16 andcontroller14 is shown as a dashed line.
[0013]Light sensor12 may be a photovoltaic cell, a photo-transistor, a photo-resistor or other photosensitive component known in the art. As the level of20 ambient light changes,light sensor12 providescontroller14 with a first signal which changes in accordance with the level of ambient light. When the ambient light reaches a predetermined level (preferably falling below a predetermined level),controller14 will recognize thatlight sensor12 is sending a first signal indicating that theringer20 should be disabled. Thecontroller14 will preferably respond to the first signal by disablingringer20 oftelephone18.
[0014]Timer16 may be a clock timer (such as a digital clock circuit) that provides a second signal to controller14 indicative of a timing condition or set of conditions. For example, the second signal may be representative of periodic pre-set times at which thecontroller14 should sequentially enable and disable ringer20 oftelephone18. Alternatively,timer16 may be a multi-day clock timer and provide a second signal to controller14 indicating that at varying times on varying days theringer20 oftelephone18 should be enabled and disabled.
In[0015]apparatus10,controller14 will enable and disableringer20 oftelephone18 in response to a first signal fromlight sensor12 and/or a second signal fromtimer16. Those of ordinary skill in the art, however, will appreciate thatcontroller14 could be adapted in such a manner to be responsive only to the first signal fromlight sensor12 or the second signal fromtimer16. Another embodiment of the present invention is shown in FIG. 2 and includeslight sensor12 andtimer16 in communication withcontroller26.Light sensor12 may be a photovoltaic cell, a photo-transistor a photoresistor or other photo-sensitive component as discussed above with respect toapparatus10.Timer16 is
preferably substantially the same as[0016]timer16 of FIG. 1. Unlikeapparatus10 in FIG. 1,apparatus22 of FIG. 2 includes arecording device34.Recording device34 may be in the form of an answering machine, answering service or the like. In the embodiment of the present invention shown in FIG. 2,controller26 preferably disablesringer32 oftelephone30 and enables recording device34 (via signal line33) to answer any incoming phone calls in response to a first signal fromlight sensor12 and/or second signal fromtimer16.
Preferably, recording[0017]device34 is capable of playing back a recording to a calling party and is also capable of receiving and retaining a message from the calling party. Reference is now made to FIG. 3 which shows an alternative embodiment of the present invention designated asapparatus50.Apparatus50 is a telephone controlling system which includeslight sensor12,timer16 andrecording device54 in communication withcontroller52.Timer16 andlight sensor12 are substantially similar to timers and light sensors, respectively, of the previous embodiments of the present invention. As was the case with the previous embodiments of the present invention,controller52 operates to disableringer32 oftelephone30 in response to first and/or second signals fromlight sensor12 andtimer16, respectively.
[0018]Recording device54 is preferably operable to play back a recording to a calling party which states, in pertinent part, “if this is an emergency, press ‘*’.” This recording is provided to controller52 viasignal line35 and, thereafter, to the calling party over the telephone line (not shown). Therefore, thecalling party20 can opt to press the ‘*’ button on his or her telephone handset to initiate an emergency sequence (or indicate that the call is a priority call). It is noted that the recording provided to the calling party may take on many forms as will be apparent to one skilled in the art from the above teaching. Further, one skilled in the art will recognize that it is not necessary to utilize the ‘*’ button of the telephone as indicia that the emergency sequence should be initiated and that other means of initiating the emergency sequence are available (such as using other keypad buttons or sequences of keypad buttons).
Should the calling party choose to initiate the emergency sequence by pressing the ‘*’ button on his or her keypad, the[0019]controller52 may take one or more actions. In particular, thecontroller52 may reactivateringer32 oftelephone30 such thattelephone30 rings and the user is alerted that an emergency telephone call is being received. Alternatively, (assuming the recording provided to the calling party also states that a message should be left by the calling party)controller52 may activaterecording device54 to record the calling party's message and then terminate the calling party's connection totelephone30. Thereafter,controller52 may alert the user by other means, such as subsequently enablingringer32 or enabling analert device56 which indicates that an emergency call has been received.Alert device56 may be a ringer, a light emitting device, or the like.
One skilled in the art will appreciate from the teaching herein that the[0020]controller52 need not directly controlrecording device54 if therecording device54 is designed to automatically answer incoming calls irrespective of whetherringer32 has been disabled bycontroller52. Indeed, known answering machines may be coupled to a telephone line (not shown) which will answer incoming calls without input fromcontroller52. Generally, such answering machines (if used for recording device54) may communicate withtelephone30 via its input jack as shown by dashedsignal line36. However, whencontroller26 is in communication withtelephone30 via its input jack andrecording device30 is directly connected to the telephone line, then recordingdevice34 may communicate withcontroller54 viasignal line35 such thattelephone30 may access the telephone line.
While the invention as discussed above is generally directed to an apparatus that may by inserted between an input of a telephone (e.g., the input jack to the telephone) and the telephone line (e.g. a modular plug coming from the ring/tip connections of the telephone line), those of ordinary skill in the art will[0021]5 appreciate that the present invention may be used in conjunction with a number of appliances. Indeed, the invention can be incorporated into a telephone answering machine, as well as alarm clocks, and other devices. A complete telephone can even be constructed that contains the invention internally (e.g., integrally). In addition, the invention could also be inserted immediately after the interface of one's incoming phone service in order to control all of the phones in a house or office. Further, one skilled in the art will recognize thattimers16,16 may be integral torespective controllers14,26,52.
The foregoing description of the preferred embodiments of the present invention have been provided for the purpose of illustration and description. They are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Many modifications and variations are possible in light of the above teaching. It is intended that the scope of the invention be limited not by this detailed description, but rather by the claims appended hereto.[0022]