CN1509073A - Television receiver for providing and displaying telephone network message - Google Patents
Television receiver for providing and displaying telephone network message Download PDFInfo
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- CN1509073A CN1509073A CNA021563756A CN02156375A CN1509073A CN 1509073 A CN1509073 A CN 1509073A CN A021563756 A CNA021563756 A CN A021563756A CN 02156375 A CN02156375 A CN 02156375A CN 1509073 A CN1509073 A CN 1509073A
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Abstract
The invention adds an information processing device to composition of TV set. The information processing device receives signal from telephone wire, and provides content output such as characters and graphics relevant to the signal. The information processing device comprises following parts. A telephone signal decoder is connected to signal transferred through telephone wire. A control unit controls operation of the information processing device mainly. The control unit connected to the telephone signal decoder provides index for converting telephone signals to characters. A storage device is for storing multiple data. An OSD circuit reads back corresponding data from storage device based on character index provided by the control unit. The OSD circuit assorted with synchronizing signal and clock outputs data read out from storage device. A superposing means make output of OSD circuit and TV signal be displayed on same TV frame.
Description
Technical field
The present invention relates to TV, particularly utilize TV to show the signal content that telephone wire transmits.
Background technology
TV provides information to propagate and amusement, is popular indispensable audio-visual equipment, and almost everyone can watch every day.Comprise a kind of osd circuit (On Screen Display) system in the TV, can on television image, add some literal and figure, and the performance of TV is controlled, for example adjusted contrast, volume, image quality ... or the like.
Since TV is so general,, can make following life more convenient if more service and surcharge can be provided again.The at present known set-top box (Set Top Box) of developing provides the user to utilize TV online and other application, video on demand (Video On Demand) for example, but the cost of set-top box is higher.
On the other hand, wired telephone network is a kind of the most general also comparatively stable media that people maintain communication, shows that the function of caller's telephone number also is subjected to user's attention gradually.The function that shows caller's number at present is by caller identification device (Caller ID) number to be presented on the small screen.When incoming call, the user can know caller's identity in advance by the shown number of caller identification device.But the service that provided of caller identification device still dislikes not enough, because caller identification device multidigit is by phone, or combines with phone, and the user still needs to go to by the telephone set, can know just whom the caller is, and is for the user, still inconvenient.
Two kinds of moderns that provide previously are the instrument and the media of normal use, and the people does not propose conception with its service assembly before the present invention proposes.But the applicant believes that following trend is tended to multi-functional integration, produces some bindings between TV and the telephone network if can make, and must make following life more convenient.
Summary of the invention
Main purpose of the present invention can provide the user environment for use more easily utilizing TV that the Communications service of telephone is provided.
According to the present invention, be to utilize the structure of existing TV to be the basis, the content of the signal that shows that telephone line transmits is provided.In TV structure of the present invention, comprise the basic composition of TV, be broadly divided into the television module, display and the display control circuit that receive and handle TV signal.The present invention adds a message processing unit in above-mentioned composition, the message that telephone line is transmitted can be simultaneously displayed on the television image with television signal, this message processing unit receives the signal that telephone wire transmits, and signal content corresponding output therewith, for example font or pattern are provided; This message processing unit comprises a telephone signal decoder, receives the signal that this telephone line transmits; One control unit is controlled the operation of this message processing unit, and this control unit connects this telephone signal decoder, provides telephone signal is converted to character index; One memory stores a plurality of data; And an osd circuit, the character index that provides according to control unit by the memory corresponding data of reading back, and cooperates the synchronizing signal and the clock of television module, the data that output is read back from memory; And a superposing means, the output of this osd circuit and this television signal can be shown on same picture.
Description of drawings
Fig. 1 is according to one embodiment of the invention;
Fig. 2 is according to another embodiment of the present invention;
Fig. 3 is according to an embodiment more of the present invention;
Fig. 4 explanation is according to the internal structure of message processing unit of the present invention;
Fig. 5 explanation shows the schematic diagram of the message that telephone wire transmits in television image according to the present invention, wherein dotted region is promptly represented the zone of show message;
Fig. 6 further specifies according to osd circuit of the present invention; And
Fig. 7 explanation is according in the osd circuit of the present invention, and the read-write of two character index buffers concerns.
The figure number explanation
10 television modules
12 display control circuits
14 video screens
16 message processing unit
20 television modules
22 display control circuits
24 video screens
30 message processing unit
31 control units
32 telephone signal coder/decoders
The 33I/O interface
34 decoders
The 36OSD circuit
3602 frequency dividers
3604 viewing area controllers
3608 horizontal counters
3610 vertical counters
3612 synchronous/one shots
3614 synchronous/one shots
3618 system controllers
3620 multiplexers
3622 character index working area A
3624 character index working area B
3626 multiplexers
3628 character address generators
3630 multiplexers
3632 pixel classifier
38 memories
40 television modules
41 stacking apparatus
42 display control circuits
44 video screens
Embodiment
Technical scheme of the present invention originates in the caller's number that can see telephone on TV, by the binding of telephone wire and TV, can further produce more applications, for example transmitting-receiving of message, transmission of instruction or the like.The concrete practice that realizes this conception can be via obtaining to understand below in conjunction with the description of the drawings.
Fig. 1 provides one embodiment of the invention.Known as the personage institute of haveing the knack of TV structure, comprise a television module 10 in the TV, be used to handle the TV signal that reception is come in, the output of television module 10 is presented on the video screen 14 via display control circuit 12, television module 10 is known for haveing the knack of the TV tech personage, repeats no more herein.Video screen 14 has difference, for example traditional iconoscope TV, LCD TV, plasm TV or the like along with the TV kind.
In the embodiment shown in fig. 1, according to message processing unit 16 of the present invention, the one end is connected to the audio-visual input of TV, and the other end is connected with telephone wire.After message processing unit 16 is handled, send the audio-visual input of TV via information that telephone wire transmitted to.Under this structure, the user can see the message of being sent through message processing unit 16 by the telephone wire transmission, for example caller's number by the input source that switches TV.
The message that telephone wire is transmitted shows the mode that also has other on TV, embodiment for example shown in Figure 2, and wherein an end of message processing unit 30 connects telephone wire, and the other end then is connected to the OSD input pin in the television module 20.
Understand for convenient, simply introduce OSD herein.OSD (On Screen Display), Chinese can be called " screen display is controlled ", or is referred to as " showing with screen ", and one has representational function exactly.OSD application on TV can allow the user can directly see the numerical value that settings such as the displayable brightness of video screen, contrast, color, volume are adjusted on indicator screen, so that make the operation of adjustment more accurate, lighter.Present osd function, almost being listed in is the standard configuration of display.The proprietary DD (Display Director) of Samsung display then is two generations of OSD at present.
Get back to embodiment shown in Figure 2.TV tech person institute is known as haveing the knack of, and the TV of some kind provides OSD input pin for outside input osd signal.Embodiment shown in Figure 2 promptly is applicable to the TV that these provide OSD input pin.After the signal that message processing unit 30 is sent telephone wire here is handled, send the OSD input pin that television module 20 is provided to, and then be presented on the video screen 24 with TV signal stack warp let-off display control circuit 22.
For other TVs that OSD input pin is not provided, Fig. 3 provides another kind of solution.The place that Fig. 3 is different with Fig. 2, be that Fig. 3 provides a stacking apparatus 41, the signal that signal that message processing unit 30 is sent and television module 40 are exported and the processing of stack, the signal after the processing is delivered to video screen 44 through display control circuit 42 and is shown.This stacking apparatus 41 can be multiplexer or other switching device shifter, makes the output of message processing unit 30 can embed in the output signal of television module 40 via suitable control.
In the embodiment shown in fig. 1, the user can see the message that telephone wire is sent here by switching input source.And in Fig. 2 and embodiment shown in Figure 3, the message of being sent here by telephone wire then shows with the picture of TV programme, and the situation that occurs functional menu when setting with present adjustment video screen is similar.
Next see also embodiment shown in Figure 4, the internal structure according to message processing unit of the present invention is described further.
In message processing unit of the present invention, a control unit 31 connects a telephone signal coder/decoder 32, and by an I/O (I/O) interface and external communication.Telephone signal coder/decoder 32 mainly is the reception message that telephone wire transmitted and decodes, if do not consider both-way communication, square 32 can be a telephone signal decoder, if square 32 has encoder, then the user can also send out through telephone wire by to the tv edit message.The kind of telephone signal coder/decoder 32 is the signal format of corresponding telephone wire, the receptible signal format of known phone line comprises FSK (Frequency Shift Keying) at present, DTMF (Dual Tone Multiple Frequency), CAS three kinds of signal formats such as (CPE Alerting Signal).
The message A that telephone wire transmits into delivers to control unit 31 after the 32 decoding reduction of telephone signal coder/decoder, give osd circuit 36 about the related setting parameter that shows through a decoder 34 decodings in result that the message A of control unit 31 after for reduction handles and the control unit 31, from control unit 31 is given the signal of osd circuit, comprise at least with message A content corresponding characters index and about the related setting of show message.Aforesaid related setting parameter about the viewing area is the position that is presented at video screen 44 in order to decision message A, comprises for example horizontal shade position Xm, vertical shade position Ym, and horizontal width XA, vertical width YA or the like, as shown in Figure 5.
In Fig. 4, the data of storage can include character library or pattern in the memory 38.It is corresponding with the content of message A that control unit 31 is given the character index that decoder 34 decodes out, and osd circuit 36 is obtained corresponding data by these character index to memory 38, so that video screen shows.
Signal that osd circuit 36 Rcv decoders 34 are sent here and synchronizing signal are with synchronous with TV signal.Fig. 6 also further illustrates according to osd circuit structure of the present invention, please in the lump with reference to the detail operations of figure 4 with the osd circuit among understanding Fig. 6.
According to the main application of osd circuit 36 of the present invention, be to add some data in the optional position of TV display frame, these data can be superimposed upon on the former television image.
Whole osd circuit can be divided into two parts roughly haply, a part is a data fatching apparatus, comprise character index buffer 3622 and 3624, character address generator 3628, pixel classifier 3632 or the like, in order to the character index of being sent here according to control unit 31, from memory 38, obtain corresponding data output.Another part is a message viewing area control device, it cooperates the synchronizing signal and the clock of television module, be controlled in reasonable time output from the obtained data of memory 1138, the zone and the position that these data are presented at wish on this display, this viewing area control device comprises synchronously/one shots 3612,3614, horizontal counter 3608, vertical counter 3610, viewing area controller 3604 and system controller 3618.
Osd circuit 36 receives horizontal-drive signal (HS) and the vertical synchronizing signal (VS) in the TVs, calculates the interval of TV display frame by this, as shown in Figure 5.When horizontal-drive signal arrives the position of desiring superposition of data, osd circuit 36 can read the desire data presented according to the font memory 38 that is set to of character index, and export one and switch signal (OSD-OUT), the TV tricolor signal that originally outputs to display control circuit is switched to the tricolor signal (OSD-R of osd circuit 36 outputs, OSD-G, OSD-B), reach the function of superposition of data.In the present embodiment, in order to reduce the memory of storage font index, the built-in two groups of character index buffers 3622 of osd circuit and 3624.When one group of buffer was used for supplying character address generator 3628 to calculate the character memory address of desires demonstration, the same time, another group buffer was then upgraded the character index of desires demonstration by control unit 31.In the present embodiment, the read-write operation of two groups of character index buffers and and vertical synchronizing signal, horizontal-drive signal and character index update mark between sequential relationship as shown in Figure 7.Wherein the character index update mark is that the character index that is used to notify control unit 31 to upgrade its output is given osd circuit 36.
The detail operations of osd circuit 36 is described now.
System clock provides a pixel clock (Pixel Clock) through a frequency divider 3602, as the groundwork clock of whole osd circuit 36, in the present embodiment, frequency divider 3602 is made of one 4 1/n+1 circuit, when n=0, do not carry out divide operation.
In order accurately to obtain margin signal by the horizontal synchronization/vertical synchronizing signal of outside input, horizontal synchronization/vertical synchronizing signal via synchronously/one shots 3612 and 3614 after, plus or minus marginal position in horizontal synchronization/vertical synchronizing signal, produce the pulse that pixel clock is wide, it is zero that horizontal counter 3608 is removed when each horizontal pulse, it is zero that vertical counter 3610 is removed when each vertical pulse, and counts once in each horizontal arteries and veins the time.Horizontal counter 3608 and vertical counter 3610 are mainly used to provide viewing area controller 3604 to calculate display position.The viewing area controller comprises horizontal shade position Xm according to the related setting of viewing area, vertical shade position Ym, and horizontal width XA, vertical width YA, the clock of cooperation TV, with synchronizing signal, and then the zone and the position of control demonstration.In the present embodiment, the related setting of viewing area is to be provided by control unit 31, also the different practices can be arranged in other embodiment.
Signal controlling multiplexer 3620 that system controller 3618 provides according to viewing area controller 3604 and 3626 switching, so that the character index that decoder 34 is sent here is delivered to character index buffer 3622 or 3624, and give character address generator 3628, and send a character index at reasonable time and switch flag and give control unit 31 character index of character index buffer 3622 or 3624.Character address generator 3628 is that content calculating character according to the character index buffer is in the position of memory 38, via the address wire output of memory 38, and via the memory 38 data wires character data of reading back.
The character data of reading back is separated via pixel classifier 3632, pixel classifier 3632 is divided into 8 positions (bit) with the data of a character (byte), one of them represents a pixel of a character, whether a pixel according to character shows, switch former TV tricolor signal of output or character chrominance signal via a multiplexer (just aforementioned be used to superpose television image and stacking apparatus from message A), the character chrominance signal can be divided into foreground or background colour by multiplexer 3630 decisions in addition.
Can understand the present invention from above-mentioned explanation and the message A that telephone wire transmitted can be presented on the video screen, also comprise the signal format conversion certainly between this by the technology of OSD, and font acquisition and the process of controlling demonstration or the like.Should understand by above-mentioned explanation and of the present inventionly can be implemented and use really.
By TV of the present invention, make TV not only have the function of amusement, can also provide more Additional Services in conjunction with telephone network, these Additional Services are promptly relevant with the content of message A, the content of message A can comprise for example caller's number, news in brief breath, advertisement, the electronics poll, or even instruction or the like.
News in brief breaths has many kinds of standards at present, SMS for example, and EMS, MMS or the like is used in the communication between the mobile phone at present widely.The demonstration and the editor that use TV to carry out the news in brief breath send, and the user can be provided the approach of another kind of intercommunication message, make the transmission of message and receive more convenient.
The application that is different from the expensive of existing set-top box and handles online or video on demand or the like, of the present invention with low cost, and be specially adapted to handle caller's data and news in brief breath or the like.
More than be purpose for the explanation of preferred embodiment of the present invention for illustrating, accurately be disclosed form and be not intended to limit the present invention, based on above instruction or to make an amendment or change from embodiments of the invention study be possible, for example, the present invention is applied to other display unit outside the TV, for example computer screen.Previous embodiment is to have the knack of this operator and utilize the present invention to select in practical application with various embodiment and illustrate that technological thought of the present invention is to be decided by following claims and equalization thereof for explaining orally principle of the present invention and allowing.
Claims (29)
1. TV comprises:
One television module, it receives television signal, and handles;
One display provides this television signal that shows that this television module receives into;
One display control circuit is accepted the output of this television module, and is connected with this display;
One message processing unit, it accepts the message that telephone line transmits, and provides and the corresponding data output of this message, and this message processing unit comprises:
One telephone signal decoder is accepted the message that this circuit-line transmits;
One control unit is controlled the operation of this message processing unit, and this control unit is connected with this telephone signal decoder, provides this message is converted to character index;
One memory stores a plurality of data; And
One osd circuit, the character index that provides according to this control unit by this memory corresponding data of reading back, and cooperates the synchronizing signal of this television module and clock to export this data; And
One superposing means may be displayed on the same picture data and this television signal of this osd circuit output.
2. TV as claimed in claim 1, wherein this display is to be selected from CRT, LCD, front projection TV, the group that rear projection television and plasma display are formed.
3. TV as claimed in claim 1, wherein this telephone signal decoder is to be selected from the FSK decoder, dtmf decoder and CAS group that decoder is formed.
4. TV as claimed in claim 1, wherein this control unit is a microprocessor.
5. TV as claimed in claim 1, wherein this superposing means comprises the OSD pin that this television module provides.
6. TV as claimed in claim 1, wherein this superposing means is a switching device shifter.
7. TV as claimed in claim 6, wherein this switching device shifter is a multiplexer.
8. TV as claimed in claim 1, wherein this osd circuit comprises:
One data fatching apparatus, it accepts the input of this character index, and converts this character index to storage address, so that further from the corresponding data output of reading back of this memory; And
One viewing area control device cooperates the synchronizing signal and the clock of this television module, and the related setting of viewing area, controls the data that this data fatching apparatus reads back and exports in reasonable time, to be presented at the zone and the position of wishing on this display.
9. TV as claimed in claim 8, wherein this data fatching apparatus comprises:
The character index that this control unit provides is accepted and kept in to one character index temporary storage location;
One character address generator, this character index that this character index temporary storage location is sent in acceptance, and convert this character index to storage address, so that to this memory corresponding data of reading back, and
One pixel classifier is that unit divides output with the pixel with these data of reading back.
10. TV as claimed in claim 9, wherein this character index temporary storage location comprises two character index buffers, and utilizes two switching device shifters to control the input and the output of this character index buffer.
11. TV as claimed in claim 10, wherein this switching device shifter is a multiplexer.
12. TV as claimed in claim 8, wherein this viewing area control device comprises:
One group synchronously/one shots, at the horizontal synchronization of this television module and the plus or minus marginal position of vertical synchronizing signal, produce in the wide horizontal arteries and veins of pixel clock and reach in the vertical arteries and veins;
One horizontal counter, removing in the time of in this horizontal arteries and veins takes place is zero;
One vertical counter, removing when this vertical pulse takes place is zero, and counts once when each this horizontal pulse takes place;
One viewing area controller, it cooperates the clock of this television module according to the output with this vertical counter of the related setting of this viewing area and this horizontal counter, and control shows the zone and the position of the data of reading back from this memory; And
One system controller, the signal controlling that provides according to this viewing area controller provides this data of reading back output at reasonable time.
13. TV as claimed in claim 1 comprises also that wherein a telephone signal encoder is connected with this control unit, sends through telephone wire for compiled signal.
14. TV as claimed in claim 13, wherein this telephone signal encoder is to be selected from the FSK encoder, the group that dtmf code device and CAS encoder are formed.
15. an OSD integrated circuit (IC) apparatus, it accepts the character index input, provides and the corresponding data output of this character index, and then is presented on the display, and wherein by memory stores data, this OSD integrated circuit (IC) apparatus comprises:
One data fatching apparatus, it accepts the input of this character index, and converts this character index to storage address, so that further from the corresponding data output of reading back of this memory; And
One viewing area control device cooperates the synchronizing signal and the clock of this display, and the related setting of viewing area, controls these data of reading back and exports in reasonable time, makes these data of reading back be presented at the zone and the position of wishing on this display.
16. OSD integrated circuit (IC) apparatus as claimed in claim 15, wherein this data fatching apparatus comprises:
One character index temporary storage location is accepted and temporary this character index;
One character address generator, this character index that this character index temporary storage location is sent in acceptance, and convert this character index to storage address, so that to this memory corresponding data of reading back, and
One pixel classifier is that unit divides output with the pixel with these data of reading back.
17. OSD integrated circuit (IC) apparatus as claimed in claim 16, wherein this character index temporary storage location comprises two character index buffers, and utilizes two switching device shifters to control the input and the output of this character index buffer.
18. OSD integrated circuit (IC) apparatus as claimed in claim 17, wherein this switching device shifter is a multiplexer.
19. OSD integrated circuit (IC) apparatus as claimed in claim 15, wherein this viewing area control device comprises:
One group synchronously/one shots, in order at the horizontal synchronization of this display and the plus or minus marginal position of vertical synchronizing signal, produce in the wide horizontal arteries and veins of pixel clock and reach vertical pulse;
One horizontal counter is zero in order to remove when this horizontal pulse takes place;
One vertical counter, removing in order in this vertical arteries and veins takes place the time is zero, and counts once when each this horizontal pulse takes place;
One viewing area controller in order to according to the output with this vertical counter of the related setting of viewing area and this horizontal counter, and cooperates the clock of this display, control to show the zone and the position of the data of reading back from this memory; And
One system controller, the signal controlling that provides according to this viewing area controller provides this data of reading back output at reasonable time.
20. a message processing unit that is provided in to show on the display telephone signal content comprises:
One telephone signal decoder is accepted the message that telephone line transmits;
One control unit, the operation of this message processing unit of master control, this control unit is connected with this telephone signal decoder, provides this message is converted to character index;
One memory stores a plurality of data, and
One osd circuit, the character index that provides according to this control unit by this memory corresponding data of reading back, and cooperates the synchronizing signal of this television module and clock to export the data that this reads back, so that further be presented on this display.
21. message processing unit as claimed in claim 20, wherein this telephone signal encoder is to be selected from the FSK decoder, the group that dtmf decoder and CAS decoder are formed.
22. signal process device as claimed in claim 20, wherein this control unit is a microprocessor.
23. signal process device as claimed in claim 20, wherein this osd circuit comprises:
One data fatching apparatus, it accepts the input of this character index, and converts this character index to storage address, so that further from the corresponding data output of reading back of this memory; And
One viewing area control device cooperates the synchronizing signal and the clock of this display, and the related setting of viewing area, is controlled at reasonable time and exports the data that this reads back, and makes these data of reading back can be presented at the zone and the position of wishing on this display.
24. signal process device as claimed in claim 23, wherein this data fatching apparatus comprises:
The character index that this control unit provides is accepted and kept in to one character index temporary storage location;
One character address generator, this character index that this character index temporary storage location is sent in acceptance, and convert this character index to storage address, so that to this memory corresponding data of reading back, and
One pixel classifier is that unit divides output with the pixel with these data of reading back.
25. signal process device as claimed in claim 24, wherein this character index temporary storage location comprises two character index buffers, and utilizes two switching device shifters to control the input and the output of this character index buffer.
26. signal process device as claimed in claim 25, wherein this switching device shifter is a multiplexer.
27. signal process device as claimed in claim 23, wherein this viewing area control device comprises:
One group of synchronous/one shots in order at the horizontal synchronization of this display and the plus or minus marginal position of vertical synchronizing signal, produces a horizontal pulse and a vertical pulse that pixel clock is wide;
One horizontal counter, removing in the time of in this horizontal arteries and veins takes place is zero;
One vertical counter, removing when this vertical pulse takes place is zero, and counts once when taking place in this horizontal arteries and veins at each;
One viewing area controller, it cooperates the clock of this display according to the output with this vertical counter of the related setting of viewing area and this horizontal counter, and control shows zone and the position from this readback data; And
One system controller, the signal controlling that provides according to this viewing area controller provides this data of reading back output at reasonable time.
28. signal process device as claimed in claim 20 comprises more that wherein a telephone signal encoder is connected with this control unit, sends through telephone wire for compiled signal.
29. signal process device as claimed in claim 28, wherein this telephone signal encoder is to be selected from the FSK encoder, the group that dtmf code device and CAS encoder are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021563756A CN100359926C (en) | 2002-12-18 | 2002-12-18 | Television receiver for providing and displaying telephone network message |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021563756A CN100359926C (en) | 2002-12-18 | 2002-12-18 | Television receiver for providing and displaying telephone network message |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1509073A true CN1509073A (en) | 2004-06-30 |
| CN100359926C CN100359926C (en) | 2008-01-02 |
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ID=34236198
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021563756A Expired - Fee Related CN100359926C (en) | 2002-12-18 | 2002-12-18 | Television receiver for providing and displaying telephone network message |
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| CN (1) | CN100359926C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262555B (en) * | 2008-01-10 | 2011-07-20 | 腾讯科技（深圳）有限公司 | Method and device for calling instant messaging function with a key |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2780804A1 (en) * | 1998-07-03 | 2000-01-07 | Thomson Multimedia Sa | DEVICE FOR CONTROLLING THE DISPLAY OF CHARACTERS IN A VIDEO SYSTEM |
| CN2371736Y (en) * | 1999-04-09 | 2000-03-29 | 中国厦门华侨电子企业有限公司 | Television for displaying telephone calling information |
| CN1250320A (en) * | 1999-08-05 | 2000-04-12 | 朱星火 | Method of displaying caller's telephone number on TV screen |
| CN1293392A (en) * | 1999-12-03 | 2001-05-02 | 朱星火 | Receiver with incoming number indication |
-
2002
- 2002-12-18 CN CNB021563756A patent/CN100359926C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262555B (en) * | 2008-01-10 | 2011-07-20 | 腾讯科技（深圳）有限公司 | Method and device for calling instant messaging function with a key |
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| Publication number | Publication date |
|---|---|
| CN100359926C (en) | 2008-01-02 |
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