CN2617105Y - Wireless visual telephone set - Google Patents
Wireless visual telephone set Download PDFInfo
- Publication number
- CN2617105Y CN2617105Y CN 03246570 CN03246570U CN2617105Y CN 2617105 Y CN2617105 Y CN 2617105Y CN 03246570 CN03246570 CN 03246570 CN 03246570 U CN03246570 U CN 03246570U CN 2617105 Y CN2617105 Y CN 2617105Y
- Authority
- CN
- China
- Prior art keywords
- signal
- video
- receiver
- wireless
- audio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The utility model discloses a wireless video telephone that can implement the ITUH. 323 protocol, which comprises a wireless mobile phone and a base station; the wireless mobile phone and the base station are connected by way of wireless communication; the base station is provided with a communication interface of an IP network and/or PSTN public telephone network and sends/receives video and/or audio signals through the communication interface. The utility model has the advantages of conveniently to use and operate, which has a strong function extension capability and a wide application scope.
Description
Technical field
The utility model relates to a kind of telephone communication equipment, relates in particular to the H.323 wireless videophone of agreement of a kind of ITU of execution.
Background technology
In the existing telephone communication apparatus, mainly utilize PSTN public telephone communication network to converse, continuous development along with the IP network system, increasing telephone communication equipment begins to support the IP network agreement, along with people increase day by day to the demand of utilizing video telephone to carry out communication, support ITU-T H.323 much the fixed video telephone of video telephone standard agreement also existing comprehensively, but this fixed video telephone also exists and uses and the problem of inconvenient operation.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of wireless videophone system, and it uses and be easy to operate, and function expansibility is strong, and is applied widely.
To achieve these goals, the utility model provides a kind of ITU of execution the H.323 wireless videophone of agreement, its characteristics are, comprise wireless phone, base station, described wireless phone is connected by wireless communication mode with described base station, described base station is provided with the communication interface of I P network and/or PSTN public telephone network, and by communication interface reception/transmission video and/or audio signal.
Above-mentioned wireless videophone, its characteristics are that described wireless phone further includes camera or microphone; The video/audio signal that obtains from described camera/microphone is transferred to described base station by described wireless phone; Perhaps the video by described base station transmits is or/and audio signal can be by described handset displays/broadcast.
Above-mentioned wireless videophone system, its characteristics are, are correspondingly provided with RF radiofrequency signal transmission/receiver on described wireless phone and the described base station, perhaps are provided with digital signal transmission/receiver.
Above-mentioned wireless videophone, its characteristics are that described wireless phone further comprises: microprocessor, memory, LCD display, key zone, audio frequency RF radio frequency signal receiver, audio frequency RF radiofrequency signal transmitter, RF emission of radio frequency signals device, camera, ringer, microphone and receiver; Described microprocessor is connected with described memory, LCD display, button, audio frequency RF radio frequency signal receiver, audio frequency RF radiofrequency signal transmitter, video RF emission of radio frequency signals device, camera respectively, controls described memory, LCD display, audio frequency RF radio frequency signal receiver, audio frequency RF radiofrequency signal transmitter, video RF radiofrequency signal transmitter, camera and ringer by the external command signal of described button input by described microprocessor; Described camera connects described RF radiofrequency signal transmitter, and described microphone connects described audio frequency RF radiofrequency signal transmitter, and described audio frequency RF radio frequency signal receiver connects described receiver.
Above-mentioned wireless videophone, its characteristics are that described audio frequency radio frequency signal receiver also connects a receiver J-Horner or a loud speaker.
Above-mentioned wireless videophone, its characteristics are that described base station further comprises: microprocessor, dsp processor, commutation circuit, PCI bridge, FLASH read-only memory, RAM memory, data I/O interface, video a/d signal converter, audio A/D signal converter, audio frequency D/A signal converter, audio frequency radiofrequency signal transmission/receiver, video radio frequency signal receiver and analog/digital signal display; Described microprocessor is connected with commutation circuit with described audio frequency radiofrequency signal transmission/receiver respectively, described commutation circuit also is connected with the audio signal D/A converter with described audio frequency radiofrequency signal transmission/receiver, described audio signal A/D converter respectively, described dsp processor is connected with described PCI bridge, FLASH read-only memory, RAM memory, video a/d signal converter, analog or digital Signal Monitor respectively, described PCI bridge is connected with described data I/O interface, and described video a/d signal converter is connected with described video radio frequency signal receiver.
Above-mentioned wireless videophone, its characteristics are that described data I/O interface is ETHERNET Ethernet data interface or RS-232 data-interface.
Above-mentioned wireless videophone, its characteristics are that described commutation circuit is connected with described PSTN public telephone network interface.
Above-mentioned wireless videophone, its characteristics are that described video a/d signal converter is connected with an auxiliary camera.
Above-mentioned wireless videophone, its characteristics are that described dsp processor further connects a video d/a signal converter, and described video d/a signal converter connects the TV television set.
Above-mentioned wireless videophone, its characteristics are that described digital signal display is that VGA shows visual organ or LCD LCDs.
Adopt the wireless videophone of such scheme, can implement integrally H.323 agreement of ITU, the user can this wireless videophone of very convenient operation.Further describe specific embodiments of the present utility model below in conjunction with accompanying drawing, can make people's detail knowledge implement concrete scheme of the present utility model, for those of ordinary skills, can make amendment and adjust such scheme according to main design of the present utility model, general work principle of the present utility model be applicable to other communication devices and meets every application of the utility model context.Therefore, embodiment of the present utility model is not restricted to foregoing.
Description of drawings
Fig. 1 is a kind of wireless IP video telephone shown in the utility model;
Fig. 2 is the base station that is used for wireless IP video telephone
Fig. 3 a is the mobile phone that is used for wireless IP video telephone
Fig. 3 b is the end view of mobile phone among Fig. 3 a
Fig. 4 is the circuit block diagram of mobile phone in the wireless IP video telephone shown in the utility model
The circuit block diagram of base station in the wireless IP video telephone shown in Fig. 5 the utility model
Wherein, 100-is wireless IP video telephone, 110-base station, 111-ethernet connector, 112-TV connector, 113-RS-232 connector, 114-VGA monitor connector, 115-camera connector, 116-PSTN telephone wire connector RJ11,118-antenna; The 121-ADS/Cable modulator-demodulator, 122-V.90/V.92 modulator-demodulator, the attached camera of 123-, the 124-TV, 125-VGA Video Graphics Array monitor, 126-PSTN telephone wire, 150-mobile phone, 151-microphone 151, the 152-button, 153-LCD display, 154-loud speaker, the 155-ringer, the 156-earphone jack, 158-camera, 159-receiver, 432-RF radiofrequency signal transmitter, the 433-power supply, 434-audio frequency RF radiofrequency signal transmitter, 435-audio frequency RF radio frequency signal receiver, the 436-microprocessor, the 437-memory, 462-charging inlet, 544-video RF radiofrequency signal interface, 545 (549)-video simulations/digital signal converter, the 546-FLASH read-only memory, 547-RAM, 554-audio frequency simulation/digital signal converter, the 550-DSP processor, 551-digital/analog signal transducer, 552-microprocessor, 553-commutation circuit, 555-digital audio/analog signal converter, 560 Ethernet interfaces, 556-PCI bridge, 561-RS-232 interface, the 559-PSTN telephone line interface, 558-audio frequency RF radio frequency signal receiver.
Embodiment
In Fig. 1, an embodiment of the present utility model, this is wireless, and IP video telephone 100 is applicable to carries out the H.323 communication network of agreement, also showed simultaneously one can with wireless IP video telephone 100 logotypes auxiliary equipment together.This is wireless, and IP video telephone 100 comprises a base station 110 and mobile phone 150.This base station 110 connects together with this servicing unit, as ADSL/Cable modulator-demodulator 121, V.90/V.92 modulator-demodulator 122, attached camera 123, TV 124, VGA (Video Graphics Array) monitor 125 and pstn telephone line 126.
In Fig. 2, this base station 110 is provided with antenna 118, ethernet connector 111, RS-232 connector 113, TV connector 112, VGA watch-dog connector 114, camera connector 115, pstn telephone wiring connector (RJ11) 116.This connector can be connected to external equipment, such as: as shown in fig. 1, ADSL/CABLE modulator-demodulator 121, V.90/V.92 modulator-demodulator 122, attached camera 123, TV 124, VGA (Video Graphics Array) monitor 125 and pstn telephone line socket 126.This base station 110 also comprises the jack 117 of DC power supply DC, and this power supply DC jack 117 can be connected on the outside power supply adaptor.The antenna 118 of this base station 110 is used for receiving the RF vision signal from mobile phone 150.
In Fig. 3 a, comprise microphone 151, button 152, LCD display 153, headset earpiece 159 and camera 158 on these mobile phone 150 shells.In Fig. 3 b, comprise loud speaker 154, ringer 155 and earphone jack 156 on mobile phone 150 shells.
In Fig. 4, the interior road circuit block diagram of mobile phone shown in the utility model 150 has further been illustrated mobile phone 150 inner members and additional element among Fig. 3 a and Fig. 3 b.This wireless phone 150 obtains vision signal by camera 158, then this vision signal is sent to base station 110 by RF radiofrequency signal transmitter 432.This mobile phone 150 obtains audio signal by microphone 151, then audio signal is transmitted control signal to base station 110 by audio frequency RF radiofrequency signal transmitter 434, to control this phone 100.For example, the input terminal of button 152 can be used to control base station 110, is connected to any one broadband modem (as, ADSL/CABLE modulator-demodulator 121), or narrow band modem (as, V.90/V.92 modulator-demodulator 122) send digital audio and vision signal; Perhaps link a PSTN public telephone line 126 with the transportation simulator audio signal.Button 152 also can be used for starting other control operations, as: regulate volume or change software setting.Simultaneously, also can start transmission, such as dialing or input IP address by using by district 152.Requirement or dialing information by button 154 inputs, and/or the system status data (for example, select which connection, connect and whether successfully set up, select software setting, caller or called phone number, access IP address etc.) all can be presented at (by microprocessor 436 controls) on the LCD of mobile phone display 153, perhaps be presented at TV (as TV 124) or the monitor (as watch-dog 125) that links together with base station 110 on.
In Fig. 4, the operating process of this mobile phone 150 is as follows, and camera 158 is the camera of a simulation output preferably, can catch image and be converted into analog video signal.Analog video signal is sent to video RF radio-frequency (RF) transmitter 432.The frequent channel that cell-phone microprocessor 436 is selected by 432 uses of video RF transmitter.Microprocessor 436 is a representative microprocessor (as Elan EM78870 microprocessors).RF transmitter 432 is sent to the basic element of character 110 with analog video signal.
Microphone 151 capturing audios (for example noise) then are converted into analog signal, are sent to audio frequency RF transmitter 434.The frequent channel that microprocessor 436 is selected by 434 uses of audio frequency RF transmitter.RF transmitter 434 is sent to base station 110 with simulated audio signal.
Audio frequency RF radio frequency signal receiver 435 is 110 reception RF radio frequency analog audio signals (also can receive other digital signals, as control signal) from the base station.The channel that cell-phone microprocessor 436 is selected by voice-frequency signal receiver 435 uses.If enabled " hands-free ", audio frequency RF radio frequency signal receiver 435 by cell-phone microprocessor 436 controls will send audio signal to loud speaker 154 and earphone jack 156, so the user can maybe can be inserted in external headphones (external headphones) the reception audio frequency " hands-free " of earphone jack 156 by loud speaker 154.When external headphones is inserted in jack 156, loud speaker 154 will be cut off.If " hands-free " pattern is not activated, audio frequency RF radio frequency signal receiver 435 will send audio signal to headset earpiece 159.
When receiving phone by base station 110, the LCD display 153 of mobile phone 150 shows calls, and cell-phone microprocessor 436 can generate the tinkle of bells (for example beeping sound) by ringer 155.The memory 437 that is connected on the microprocessor 436 of mobile phone is used for storing telephone number.In other embodiments of the present utility model, memory 437 can select to store the data (as e-mail address, network address, system's setting, text or voice messaging, other forms of information etc.) of other types, and these data contents can be stored in the memory as memory 437.
In the present embodiment, a DC power supply adaptor can be connected in charging inlet 462, gives mobile phone 150 chargings (power supply adaptor does not section out separately on Fig. 4) from power supply 433.Power supply 433 input voltage of a self-charging interface 462 can be converted to other devices (as, camera 158, audio frequency RF radiofrequency signal transmitter 434, audio frequency RF radio frequency receiver 435, video RF radio-frequency (RF) transmitter 432 and microprocessor 436) required different voltage.
In Fig. 5, the camera 158 on the mobile phone 150 is used for obtaining image, and mobile phone 150 arrives base station 110 (referring to Fig. 3 a and Fig. 3 b) with image conveyer.Video RF takes the photograph frequency signal receiver 544 and receives the RF vision signal from mobile phone 150 video RF radiofrequency signal transmitters 432, is converted into analog video signal.Analog video signal is sent to video a/d converter 545.In the present embodiment, this video a/d converter 545 can adopt representative analog/digital converter, as Philips SAA7113H.This video a/d converter 545 is converted to analog video signal the digital signal of eight-digit number.Digital signal is sent to dsp processor 550 subsequently.In the present embodiment, this dsp processor 550 adopts a kind of representative dsp processor, as Equator Technology Inc BSP-15.On the contrary, in another example, possible user can use can be more more convenient than the bigger camera of the camera on the mobile phone 150 158.Like this, the camera as attached camera 123 can be connected to base station as shown in Fig. 1 110.In this case, referring to Fig. 5, after this attached camera 123 obtained image, base station 110 can send to video a/d converter 549 (similar to video a/d converter 545 types) with analog video signal.Audio frequency RF radio frequency receiver 558 receives the RF radiofrequency signal from mobile phone 150 audio frequency RF radio frequency converters 434.The selection of audio frequency RF radio frequency receiver 558 channels is by microprocessor 552 controls of base station.In the present embodiment, this microprocessor 552 adopts representative microprocessor, as Elan EM78910.Audio frequency RF radio frequency receiver 558 is converted to analog signal with the RF radiofrequency signal of receiving.Certainly, the RF radiofrequency signal of being received promptly may be an audio signal, might be again the control signal from mobile phone 150.If control signal just sends it to microprocessor 552, operate with start-up control.If the signal of receiving is an audio signal, this audio signal can be sent to commutation circuit 553.
Under the normal telephone mode state, the microprocessor 552 of base station can be controlled circuit switched 553, and audio signal is switched to PSTN omnibus circuit interface 559, can set up the information transmission by the PSTN public telephone line thus.
Under IP phone or IP videophone mode state, the microprocessor 552 of base station can be controlled circuit switched 553, audio signal is delivered to audio A/D signal converter 554, thereby simulated audio signal is converted to digital signal.In the present embodiment, this audio A/D signal converter 554 adopts a kind of representative A/D converter, as Criius Logic CS53L32A.
Radiofrequency signal by 544 receptions of video RF radio frequency signal receiver, be sent to video a/d signal converter 545 (or video a/d signal converter 549), and, all can be sent to dsp processor 550 by its video signal that sends with from the audio digital signals that audio A/D transducer 554 sends.This dsp processor 550 can be compressed together with video and audio signal, then compiles it as a kind of program of the ITUH.323 of meeting agreement.Simultaneously, this dsp processor 550 links together by PCI bridge 556 and Ethernet interface 560 and RS-232 interface 561 again.In the present embodiment, this PCI bridge adopts a kind of representative PCI bridge, as VIA technology VT82C686B.This Ethernet interface 560 can be connected with the IP communication network, as by ADSL modulation or CABLE modulator-demodulator 121, is connected with broadband communication network, also can adopt other to carry out the broadband communication network of ICP/IP protocol certainly.RS-232 interface 561 also can be connected with IP network, only needs and narrow band modem, connects together as modulator-demodulator 121 V.90/V.92.
In Fig. 5, from Ethernet interface 560 or RS-232 interface 561 receiving digital signals, operating process is as follows: digital signal links together by PCI bridge 556 and DPS processor 550.Audio signal is handled the back decompress(ion) through dsp processor 550, and to from execution ITU H.323 the digital signal of agreement carry out data conversion.Then, audio signal is sent to audio frequency D/A signal converter 555.In the present embodiment, this audio frequency D/A signal converter 555 adopts a kind of representative D/A converter, as CS4334.In case this digital signal is converted into analog signal form, it will be sent to the commutation circuit 553 by 552 controls of base station microprocessor, this analog signal is switched delivered to audio frequency RF radio-frequency (RF) transmitter 557.Be modulated into audio frequency RF radiofrequency signal by audio frequency RF radiofrequency signal transmitter 557, and under the control of microprocessor 552, this audio frequency RF radiofrequency signal be sent to the audio frequency RF radio frequency receiver 435 of mobile phone 150.And other digital signals (non-audio), comprise that those contain video and/or text or other data from Ethernet interface 560 or RS-232 interface 561 receptions, send to this video d/a signal converter 551 with dsp processor 550 with this video or other non-audio signals by this PCI bridge 556.In the present embodiment, this D/A signal converter 551 adopts a kind of representative transducer, as Philips SAA 7121.This D/A converter 551 can be converted to digital signal a kind of analog video signal (also can comprise text or other data flow), this analog signal is dealt on the TV 124 show.Dsp processor 550 also is provided with a VGA output port, thereby vision signal also can be connected to demonstration on the VGA monitor 125 by VGA monitor connector 114 (referring to Fig. 2).Certainly, also can be connected on other monitors, as be connected to external LCD monitor (link the LCD monitor outside the base station 110, do not section out in the accompanying drawings) by VGA monitor connector 114.LCD display panels 129 (model is smaller than LCD LCD) also can be used as the part of base station 110.Dsp processor 550 is provided with a LCD display panels output port, can be connected to LCD display panels 129.
The utility model also has other embodiment, and for example, this vision signal can pass on the mobile phone 150 from base station 110 by wireless transmission, and this vision signal is showing (for example, on LCD display or other displays) on the mobile phone 150.In the present embodiment, from base station 110 to TV, VGA monitor or other displays (as being shown in the base station 110 those figure) can give unnecessary details one by one, those of ordinary skills can know by inference very easily according to foregoing.In another embodiment of the present utility model, this base station 110 also comprises Flash ROM read-only memory 546.This Flash ROM read-only memory 546 can be dsp processor 550 store operation systems soft wares.In most preferred embodiment of the present utility model, the dsp software that is stored in the Flash ROM read-only memory 546 can be upgraded by the online connection of IP network.Base station 110 also comprises RAM memory 547.RAM memory 547 is worked with dsp processor 550 and is carried out the DSP handling procedure.
Although in the utility model the foregoing description, described multiple embodiments in detail, according to main design of the present utility model, ordinary skill field personnel also can release various embodiments.For example, present visible IP phone still can further be revised or be changed, and the wireless telecommunications between base station 110 and mobile phone 150 can realize such scheme by sending digital signal (as Bluetooth technology).In this embodiment, the wireless protocols that meets the demands or other digital signal agreements all can be used.Those of ordinary skill in the art, the digital communication that all available known digital communication technology is implemented mobile phone and base station is put.For example, described mobile phone and base station are adjusted, in this replacement scheme, mobile phone 150 also should be provided with corresponding D SP processor.Before being transferred to the base station, will carry out the number format conversion to the image and the video simulation information that obtain, be converted to number format.This mobile phone 150 can contain a digital camera, also has an adjunct circuit that audio frequency is transferred to digital signal.For the art technology personage, more than these and other changes are very easy realizations.
Claims (11)
1, a kind of H.323 wireless videophone of agreement of ITU of carrying out, it is characterized in that, comprise wireless phone, base station, described wireless phone is connected by wireless communication mode with described base station, described base station is provided with the communication interface of IP network and/or PSTN public telephone network, and by communication interface reception/transmission video and/or audio signal.
2, wireless videophone according to claim 1 is characterized in that, described wireless phone further includes camera or microphone; The video/audio signal that obtains from described camera/microphone is transferred to described base station by described wireless phone; Perhaps the video by described base station transmits is or/and audio signal can be by described handset displays/broadcast.
3, wireless videophone according to claim 1 and 2 system is characterized in that, is correspondingly provided with RF radiofrequency signal transmission/receiver on described wireless phone and the described base station, perhaps is provided with digital signal transmission/receiver.
4, wireless videophone according to claim 1, it is characterized in that described wireless phone further comprises: microprocessor, memory, LCD display, key zone, audio frequency RF radio frequency signal receiver, audio frequency RF radiofrequency signal transmitter, RF emission of radio frequency signals device, camera, ringer, microphone and receiver; Described microprocessor is connected with described memory, LCD display, button, audio frequency RF radio frequency signal receiver, audio frequency RF radiofrequency signal transmitter, video RF emission of radio frequency signals device, camera respectively, controls described memory, LCD display, audio frequency RF radio frequency signal receiver, audio frequency RF radiofrequency signal transmitter, video RF radiofrequency signal transmitter, camera and ringer by the external command signal of described button input by described microprocessor; Described camera connects described RF radiofrequency signal transmitter, and described microphone connects described audio frequency RF radiofrequency signal transmitter, and described audio frequency RF radio frequency signal receiver connects described receiver.
5, wireless videophone according to claim 4 is characterized in that, described audio frequency radio frequency signal receiver also connects a receiver J-Horner or a loud speaker.
6, wireless videophone according to claim 1, it is characterized in that described base station further comprises: microprocessor, dsp processor, commutation circuit, PCI bridge, FLASH read-only memory, RAM memory, data I/O interface, video a/d signal converter, audio A/D signal converter, audio frequency D/A signal converter, audio frequency radiofrequency signal transmission/receiver, video radio frequency signal receiver and analog/digital signal display; Described microprocessor is connected with commutation circuit with described audio frequency radiofrequency signal transmission/receiver respectively, described commutation circuit also is connected with the audio signal D/A converter with described audio frequency radiofrequency signal transmission/receiver, described audio signal A/D converter respectively, described dsp processor is connected with described PCI bridge, FLASH read-only memory, RAM memory, video a/d signal converter, analog or digital Signal Monitor respectively, described PCI bridge is connected with described data I/O interface, and described video a/d signal converter is connected with described video radio frequency signal receiver.
7, wireless videophone according to claim 6 is characterized in that, described data I/O interface is ETHERNET Ethernet data interface or RS-232 data-interface.
According to claim 6 or 7 described wireless videophones, it is characterized in that 8, described commutation circuit is connected with described PSTN public telephone network interface.
9, wireless videophone according to claim 8 is characterized in that, described video a/d signal converter is connected with a camera.
According to claim 7 or 9 described wireless videophones, it is characterized in that 10, described dsp processor further connects a video d/a signal converter, described video d/a signal converter connects the TV television set.
11, wireless videophone according to claim 10 is characterized in that, described digital signal display is that VGA shows visual organ or LCD LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03246570 CN2617105Y (en) | 2003-05-08 | 2003-05-08 | Wireless visual telephone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03246570 CN2617105Y (en) | 2003-05-08 | 2003-05-08 | Wireless visual telephone set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2617105Y true CN2617105Y (en) | 2004-05-19 |
Family
ID=34252058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03246570 Expired - Fee Related CN2617105Y (en) | 2003-05-08 | 2003-05-08 | Wireless visual telephone set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2617105Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100366078C (en) * | 2004-08-18 | 2008-01-30 | 华为技术有限公司 | Videophone and method for increasing speech quality using it |
| CN102333149A (en) * | 2011-05-31 | 2012-01-25 | 苏州天擎电子通讯有限公司 | Wireless visual telephone |
-
2003
- 2003-05-08 CN CN 03246570 patent/CN2617105Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100366078C (en) * | 2004-08-18 | 2008-01-30 | 华为技术有限公司 | Videophone and method for increasing speech quality using it |
| CN102333149A (en) * | 2011-05-31 | 2012-01-25 | 苏州天擎电子通讯有限公司 | Wireless visual telephone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070120962A1 (en) | Cordless IP video phone system | |
| US20040204168A1 (en) | Headset with integrated radio and piconet circuitry | |
| CN1697467A (en) | Speakerphone with a cellular phone connection | |
| EP0874509B1 (en) | A computer and a method of operating a computer | |
| CN1266938C (en) | Broadband TV telephone | |
| KR100422475B1 (en) | Speaker module connectable to an ear-jack and conversation method thereby | |
| CN1710817A (en) | Antenna module | |
| CN2617105Y (en) | Wireless visual telephone set | |
| KR100578251B1 (en) | Video-ready internet phone | |
| CN1549594A (en) | Radio video telephone system | |
| US20080297585A1 (en) | Integrated cordless voice/video ip phone system | |
| CN100527766C (en) | Speaker apparatus and method in a wireless telephone | |
| CN1204720C (en) | Telephone device, modulating and demodulating apparatus, computer device, and communication terminal equipment | |
| US20050278767A1 (en) | Computer-telephony integrated entertainment system | |
| CN1426220A (en) | Wireless telephone of internet | |
| CN1812440A (en) | Telephone outputting device and method utilizing external equipment | |
| CN2627761Y (en) | Computer connected master-slaver mode digital telephone system | |
| US20050162507A1 (en) | Video communication method of internet protocol phone | |
| CN2798466Y (en) | Video communication apparatus | |
| CN1867061A (en) | Intelligent multimedia mobile phone | |
| KR100498785B1 (en) | VoIP telephone terminal equipment | |
| CN111447332B (en) | Scheduling terminal mainboard and scheduling terminal | |
| CN1934808A (en) | Integration of fixed wireless terminal with broadcast radio receiving devices | |
| CN2749183Y (en) | Wireless communication device | |
| CN1658690A (en) | Mobile phone control device and its method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040519 |