CN2371736Y - Television for displaying telephone calling information - Google Patents

Abstract

The utility model relates to a television for displaying telephone calling information which comprises a telephone line interface device, a telephone calling (CallerID) decoding device, a central control unit (CPU) and an OSD character generating device. The input end of a video, color, scanning processing and television screen display (OSD) interface device is connected to a base color pulse signal which is from the telephone line and passes through processed telephone calling information RGB. So, when people watch television programs, if the telephone rings, the telephone calling information is displayed on a television screen.

Description

A kind of television set that shows calling information of telephone

The utility model relates to a kind of television equipment, particularly a kind of television set that can show phone caller (Caller ID) information on the TV screen.

Existing television set is used to finish different functions with phone caller equipment, and the former is used for display video or radio frequency composite video signal, and the latter is used to show the information of phone caller (Caller ID).Both are separated from each other in the use, usually cause people because of watching TV highlights, and miss important phone; Or because of connecing unessential phone, and miss excellent TV programme.

The purpose of this utility model is to provide a kind of television set that can show phone caller (Caller ID) information on TV screen, to overcome above-mentioned defective.

The television set of the demonstration calling information of telephone that the utility model proposes, comprise a telephone line interface device, on its extension telephone line, be used to receive telephone wire bell signal and phone caller (Caller ID) information, and give phone caller (Caller ID) decoding device bell signal and phone caller (Caller ID) information carrier signal; A phone caller (Caller ID) decoding device, be used to decode from phone caller (Caller ID) information of telephone line interface device and detect phone ringing envelope from the telephone line interface device, and give central authorities with the ring envelope signal and control (CPU) and OSD character generating device, make central authorities' controls (CPU) and OSD character generating device enter interruption routine, these interruption routine central authorities' controls (CPU) and OSD character generating device receive and handle decoded phone caller (Caller ID) data, and convert result to phone caller (Caller ID) screen apparent (OSD) signal; Central authorities control (CPU) and an OSD character generating device, be used for the ring envelope signal interruption of response from phone caller (Caller ID) decoding device, after central authorities' controls (CPU) and OSD character generating device inter-process, putting the power supply of phone caller (Caller ID) decoding device decoding kernel allows, detect then, receive, processing is from phone caller (Caller ID) the information code word of phone caller (Caller ID) decoding device, the screen of restarting central authorities' controls (CPU) and OSD character generating device inside shows (OSD) and shows routine, produce and the corresponding primary colours pulse signal of phone caller (Caller ID) information R, G, B and blanking pulse signal FB export them respectively at last and deliver to video, colourity, scan process, television screen display (OSD) interface arrangement; A video, colourity, scan process, television screen display (OSD) interface arrangement, be used for controlling its inner primary colours gating speed-sensitive switch according to blanking pulse signal FB, make the R that only just connects central authorities' controls (CPU) and the input of OSD character generating device when information need show as phone caller (Caller ID), G, B primary colours pulse signal, and and in put device the TV image mix of basic colors be processed into unified R, G, B primary colours pulse signal, the TV image primary color channels of putting device in all the other primary colours gating speed-sensitive switch connections constantly is to insert phone caller (Caller ID) information; A television high frequency head unit is used for the high-frequency signal of tuning reception from the antenna RF end, handles by putting device during tv-if signal is given after mixing, the demodulation; Put device in one, be used to receive the medium-frequency TV signal of processing, send to video, colourity, scan process, television screen display (OSD) interface arrangement after the treated one-tenth composite video signal from the television high frequency head unit; A television video display unit is used for showing R, G, B signal from video, colourity, scan process, television screen display (OSD) interface arrangement.

Because the television set of the demonstration calling information of telephone that the utility model proposes inserts from telephone wire also treated calling information of telephone R, G, the primary colours pulse signal of B at video, colourity, scan process, television screen display (OSD) interface arrangement input.Therefore, when people when watching TV programme, if there is phone to squeeze into, calling information of telephone will show on video screen, in time tell the information of owner's phone caller, allow owner determine whether go to answer the call.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is the circuit structure block diagram of the utility model embodiment.

Fig. 2 is the circuit diagram of the utility model embodiment.

Fig. 3 is the oscillogram of the utility model embodiment.

Fig. 4 is the program flow diagram of the utility model embodiment processes and displays telephone set calling number.

Fig. 5 is the schematic diagram that the utility model embodiment video screen shows calling information of telephone.

With reference to Fig. 1, the television set of the demonstration calling information of telephone that present embodiment proposes, comprise telephone line interface device 1, phone caller (Caller ID) decoding device 2, video, colourity, scan process, television screen display (OSD) interface arrangement 3, television video display unit 4, central authorities control (CPU) and OSD character generating device 5, television high frequency head unit 6 and in put device 7.Telephone line interface device 1 extension telephone line A, on the B, be used to receive telephone wire bell signal and phone caller (Caller ID) information carrier signal, and give phone caller (Caller ID) decoding device 2 bell signal and phone caller (Caller ID) information carrier, the bell signal that phone caller (Caller ID) decoding device 2 detects from telephone line interface device 1, and give central authorities with detected ring envelope signal and control (CPU) and OSD character generating device 5, central authorities' controls (CPU) and 5 responses of OSD character generating device are interrupted from the ring envelope signal of phone caller (Caller ID) decoding device 2, after (Caller ID) decoder core power of having put phone caller (Caller ID) decoding device 2 is connected permission, begin to detect, receive and handle phone caller (Caller ID) information carrier signal from phone caller (Caller ID) decoding device 2, the screen that starts central authorities' controls (CPU) and OSD character generating device 5 inside then shows (OSD) control routine, produce and the corresponding primary colours pulse signal of phone caller (Caller ID) information R, G, B and blanking pulse signal FB export respectively and deliver to video, colourity, scan process, television screen display (OSD) interface arrangement 3, and control its inner primary colours gating speed-sensitive switch according to blanking pulse signal FB, make the R that only just connects central authorities' controls (CPU) and 5 inputs of OSD character generating device when information need show as phone caller (Caller ID), G, the B primary colour signal, and and in put device 7 the TV image mix of basic colors be processed into unified R, G, B primary colours pulse signal, all the other constantly primary colours gating speed-sensitive switches insert via the 6 tuning receptions of television high frequency head unit and through in put TV image primary colour signal after device 7 is handled, and by 4 demonstrations of television video display unit.

The physical circuit figure of present embodiment and work as follows: with reference to Fig. 2, Fig. 4, the TIP of telephone line interface device 1, RING are access to the two ends of telephone wire, when phone ringing, MC145447 the 12nd pin RDO output low level of phone caller (Caller ID) decoding device 2, this signal interrupts pin by the 42nd pin INT that light-coupled isolation (R1, IC1) is transferred to central authorities' controls (CPU) and OSD character generating device 5ST9291; Have no progeny in the ST9291 response, the output high level allows end by P07 removes to control the 7th pin PWRUP of MC145447 through light-coupled isolation (R4, IC4) decoder core power, with the Caller ID decoder core power of MC145447 open, P05, the P06 pin of ST9291 detect through information envelope CDO and the information data DOR of light-coupled isolation (R2, IC2 and R3, IC3) from MC145447 then; After ST9291 handles the decoded information data of Caller ID, show device by its inner OSD screen, B, G, R, FB by ST9291 sends to video, colourity, scan process, television screen display (OSD) interface arrangement 3STV2118B with the Caller id information, STV2118B handle simultaneously from the osd information of ST9291 and from put device 7STV8223B TV programme signal, they are lumped together to give to look put TEA5101B, after amplifying, on CRT, show.

With reference to Fig. 5, the shown content of CRT will be decided according to Caller id information content, and " telephone number ", " name ", " call time " etc. can be arranged.

With reference to Fig. 3, when phone ringing, the 12nd pin RDO output low level of the MC145447 of phone caller (Caller ID) decoder 2, RDO is a high level at ordinary times, this signal is used for notifying central authorities to control (CPU) and OSD character generating device, central authorities' controls (CPU) response is had no progeny and immediately " control of Caller ID power supply " pin P06PWRUD exported high level (effectively), and then the upcoming Caller id information code word DOR of possibility is prepared to receive and handles in central control (CPU).After the MC145447 of phone caller decoder 2 detects the information of CallerID, be sent to central authorities' controls (CPU) and the OSD character generating device is handled by " data output " DOR end, " carrier wave detects output " CDO is low level (effectively) simultaneously.After " carrier wave detects output " CDO is by low uprising, illustrate that the transmission of Caller id information finishes, at this moment central authorities' controls (CPU) are put low level (invalid) with " control of Caller ID power supply " after finishing the DOR reception, promptly cut off the power supply of Caller ID decoder kernel.

Claims (2)

1, a kind of television set that shows calling information of telephone, comprise and put device and video, colourity, scan process, television screen display (OSD) interface arrangement in the television video display unit, television high frequency head unit, one, it is characterized in that: also comprise:

A telephone line interface device, on its extension telephone line, be used to receive telephone wire bell signal and phone caller (Caller ID) information, and give phone caller (CallerID) decoding device bell signal and phone caller (Caller ID) information carrier signal;

A phone caller (Caller ID) decoding device, be used to decode from phone caller (Caller ID) information of telephone line interface device and detect phone ringing envelope from the telephone line interface device, and give central authorities with the ring envelope signal and control (CPU) and OSD character generating device, make central authorities' controls (CPU) and OSD character generating device enter interruption routine, these interruption routine central authorities' controls (CPU) and OSD character generating device receive and handle decoded phone caller (Caller ID) data, and convert result to phone caller (CallerID) screen apparent (OSD) signal;

Central authorities control (CPU) and an OSD character generating device, be used for the ring envelope interruption of response from phone caller (Caller ID) decoding device, after central authorities' controls (CPU) and OSD character generating device inter-process, putting the power supply of phone caller (Caller ID) decoding device decoding kernel allows, detect then, receive, processing is from phone caller (Caller ID) the information code word of phone caller (Caller ID) decoding device, the screen of restarting central authorities' controls (CPU) and OSD character generating device inside shows (OSD) and shows routine, produce and the corresponding primary colours pulse signal of phone caller (Caller ID) information R, G, B and blanking pulse signal FB export them respectively at last and deliver to video, colourity, scan process, television screen display (OSD) interface arrangement.

2, the television set of demonstration calling information of telephone according to claim 1 is characterized in that: the telephone line interface device is given phone caller (CallerID) decoding device ring envelope signal and phone caller (Caller ID) information by light-coupled isolation.

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