CN2574308Y - Real time graph and text exchange telephone - Google Patents

Abstract

The utility model relates to a real time graph and text exchange telephone, which improves and upgrades the existing letter type telephones. Especially a circuit system is composed of a microprocessor module, a handwriting touch screen module, a storing module, a modem transmitting module and a liquid crystal display (LCD) displaying module. The microprocessor is respectively connected with the handwriting touch screen module, the storing module, the modem transmitting module and the LCD displaying module through a data bus and a control bus and controls all the parts to coordinate work among the modules. The microprocessor module adopts a large scale integrated special telephone IC. The LCD is provided with three sets of functional display, handwriting original trace display on the handwriting touch screen, 1/n handwriting original trace display on a graph and text displaying screen and graph and text display of received incoming calls. The telephone of the utility model can be compatible with a conventional telephone, and simultaneously can also transmit real handwriting trace of a user to realize the real time graph and text exchange. The utility model does not change the existing telephone networks and exchange systems, and can be suitable for different nations and areas. The invention has the advantages of novel design and comprehensive functions.

Description

The real-time alternating current phone of picture and text

(1) technical field: the utility model relates to communication terminal device, is a kind of real-time alternating current phone of multi-functional picture and text that has.

(2) background technology: along with the high speed development of the communication technology, people more and more are not content with single voice communication, because the development of image processing techniques and broadband technology, the appearance of video telephone makes the dialogue " face-to-face " people that are from afar become possibility.But there is the restriction of the not mature enough and transmission network bandwidth of technology, and its cost is with high costs, and be not suitable for general family, in addition, the telephone set and the short message telephone machine that also have some letter formulas, they are partly with reference to the function of facsimile machine, write earlier and will send note, carry out " point-to-point " then or " point is to the transmission of " center ", and it has solved facsimile machine and write the trouble that must carry out on paper, but in writing communication process, its use is comparatively numerous and diverse, can not carry out real-time hand-written communication, so its real-time and interactivity are relatively poor, do not satisfy the requirement that masses communicate by letter easily in real time and exchange.Deaf-mute and the relatively poor people of hearing that obstacle is particularly arranged for those hearing and language are even the most comprehensive letter formula of function telephone set also can't satisfy use at present, because they can't in time learn incoming call.

(3) summary of the invention: the purpose of this utility model is to solve the problem that above-mentioned existing telephone machine exists, make full use of existing telephone network resource, in conjunction with modern communication technology and pixel compression treatment technology, realize the real-time coding/decoding of handwriting graph text information, develop and a kind ofly can transmit the sound real-time alternating current phone of the multifunction graphic and word of transmission of graphical literal in real time again, its energy real time bidirectional ground sends and accepts pictograph and it can be stored, so that consult, adopt special-purpose caller ID telephone chip, can simplify circuit greatly, reduce production costs, improve product quality stability, make it become popular telephone set.The utility model can have the deaf-mute of obstacle and the relatively poor people of hearing that a kind of communication alternating current equipment is provided for those hearing and language especially.

Concrete scheme of the present utility model is: it has the host machine part and the receiver part of ordinary telephone set, and microprocessor module, hand-written touch screen module, memory module, modulation transport module and LCD display module are formed on main case.Microprocessor links to each other with hand-written touch screen module, memory module, modulation transport module and LCD display module respectively with control bus by data/address bus and each several part is controlled, and coordinates the work between each module; Described microprocessor module is to adopt extensive integrated telephone for special use IC; Described LCD has three groups of functions and shows: handwriting shows on the hand-written touch screen, handwriting 1/n shows and shows and receives the demonstration of incoming call picture and text on the graphic display screen.

For realizing carrying out simultaneously voice call and hand-written conversation, the modulation transport module that utility model adopts is the high speed MODEM that adopts.

For in time grasping the other side's talking state pattern, be connected with incoming call call mode oscilloscope circuit with the LCD display module in the utility model.

For making those hearing and language have the deaf-mute of obstacle in time to learn incoming call, in the utility model host circuit, have additional the incoming telephone signal wireless launcher, and the calling vibration device of configuration wireless reception signal or incoming call indicator light.The general user of calling vibration device carries with timely sensation, and the incoming call indicator light generally is installed in the most easy and convenient place of seeing of user (as the head of a bed, parlor and other places) in time to realize.

For making the other side know that caller is hand-written call mode, on telephone casing, added the FSK listening key that is used to point out hand-written conversation.

The utlity model has bigger function extending space and more stable service behaviour, character message and hand-written facsimile signal can be handled, it can realized on the plain old telephone transmission of speech signals function, increased the function of real time bidirectional transmission facsimile signal, particularly can really satisfy those deaf-mute, hearing crowds relatively poor, that exchange both sides' dialect difference and statement difficulty and conveniently make telephonic requirement, also realize in phone, transmitting the function of picture and text, signature and the instruction of some confidential documents simultaneously with literacy.

(4) description of drawings:

Fig. 1 is a structure principle chart of the present utility model;

Fig. 2 is this LCD circuit structure schematic diagram;

Fig. 3 is a floor plan between hand-written display screen operating space;

Fig. 4 uses the utility model for caller and carries out hand-written call flow;

Fig. 5 carries out hand-written call flow for called use the utility model;

Fig. 6 is a circuit diagram of the present utility model.

(5) embodiment: the utlity model has the basic structure of ordinary telephone set, and be provided with hand-written touch screen and graphic display screen on its casing surface, both unite two into one (referring to Fig. 4), are divided into three interval: A. incoming call picture and text viewing areas on it; B. handwriting 1/n times of viewing area; C. handwriting viewing area; Its right side is furnished with various touch key-presss.

The Circuits System that is provided with in the casing of the present utility model includes microprocessor module, hand-written touch screen module, memory module, modulation transport module and LCD display module.Microprocessor links to each other with hand-written touch screen module, memory module, modulation transport module and LCD display module respectively by data/address bus and control bus and work (referring to Fig. 1) between each module is controlled, coordinated to each several part.

For in time grasping the other side's talking state pattern, incoming call call mode oscilloscope circuit is set in the utility model structure to be connected with the LCD display module, as when the other side's off-hook, oscilloscope will show straight wave, when the other side is the speech pattern conversation, oscilloscope shows irregular waveform, and when the other side ring unanswered, oscilloscope will show sinusoidal wave.

For making those hearing and language have the deaf-mute of obstacle in time to learn incoming call, in the utility model host circuit, have additional the incoming telephone signal wireless launcher, and the calling vibration device of configuration wireless reception signal or incoming call indicator light.The general user of calling vibration device carries with timely sensation, and the incoming call indicator light generally is installed in the most easy and convenient place of seeing of user (as the head of a bed, parlor and other places) in time to realize.

For making the other side know that caller is hand-written call mode, on telephone casing, added the FSK listening key that is used to point out hand-written conversation.

Each module concrete structure functional description of the present utility model is as follows:

1. hand-written touch screen module: be made up of hand-written glass screen and handwriting screen interface IC, hand-written glass screen can adopt the four-wire resistance type touch screen (see figure 2), and it is that a surface scribbles transparent resistance film liquid-crystalline glasses.When on handwriting screen when hand-written, the analog pixel signal of generation carries out the A/D conversion by handwriting screen interface IC, thereby draws the pixel number certificate that CPU can handle.

2. microprocessor module: adopt extensive integrated telephone for special use IC, 8 CID (Call Identification) RISC single-chip microcomputer GTC816 that can adopt low-power consumption, high-speed cmos technology to make in concrete the enforcement, have data ROM (data ROM has character library), RAM, program ROM, multistage storehouse and a plurality of interrupt source in the chip, carry FSK decoder, dtmf code decoder, programmable DTMF, FSK generator and A/D conversion etc., CPU also will finish following task except the control task that will finish normal speech caller identification and conversation:

(1) the speech channel state is judged: when using this telephone set to carry out hand-written conversation, both call sides can carry out the conversion and the affirmation of hand-written state by sending the FSK status signal after carrying machine, after CPU handles, on LCD, demonstrate the other side's state (hand-written, voice), after obtaining intercommunication pattern and state, after the function request of CPU response different working modes and operating state, send different control commands, realize function corresponding.LCD will show the waveform of different conditions on different speech channel state telephone sets, and the user can judge the state of the other side's telephone set and speech channel according to this waveform, and makes corresponding processing.

(2) pixel coder decoding function: will handle from the picture element signal that the handwriting pad module is sent here and send into LCD MODULE and simultaneously these signals are compressed or do not compress and send into modulator-demodulator and send by it.Picture element signal decompress(ion) or puzzled force feed from the modulator-demodulator demodulation are gone into the LCD MODULE demonstration.

(3) control of other function, as deletion of the switching between hand-written and the voice, hand-written information etc., these request of operating signals all are the control units that is connected to CPU by data/address bus, when on telephone set, pressing hand-written voice switch key, when sending the request handover operation, after the CPU control unit responds this request signal, issue instructions to the switching that selected on-off circuit carries out hand-written communication and speech communication.When mistake occurring in the hand-written process, can be by delete key, after the CPU control unit responds this request, send instruction and carry out deletion action.

3.LCD display module: critical piece is liquid crystal display (LCD) glass, and liquid crystal display drive IC (ICD Driver), the liquid crystal display drive IC is controlled by CPU, after handling hand-written signal, CPU sends among the LCD Driver, LCD Driver exports corresponding C OM, SEG signal, lights to put accordingly in the glass to demonstrate picture and text.When the user on glass when hand-written in handwriting screen, it is hand-written easily that hand-written district will show that respective point makes that the user can carry out, hand-written operation keys (soft keyboard) is arranged in the handwriting screen, and the user can click the transmission of corresponding operation soft-key button editor and control handwritten content when writing in hand-written.

4. transport module will be handled from the digital signal that handwriting screen collects, send into modulator-demodulator through the CPU button of encoding, finish conversion from the digital signal to the analog signal by modulator-demodulator and send into telephone line again and transmit, the modulator-demodulator analog signal that will receive facsimile signal is demodulated into digital signal and shows by CPU decoding back LCD simultaneously.Modulator-demodulator preferably adopts the above high speed MODEM of 9600bps to guarantee to carry out simultaneously voice call and hand-written conversation.

5. memory module: adopt FLASH MEMORY flash memory products, be used to write down the graph text information that input dwelling content and the other side are sent on the handwriting screen, and other some caller IDs and remove electric number or the like.

Circuit structure of the present utility model is referring to Fig. 6.

Operation principle of the present utility model and flow process (referring to Fig. 5 Fig. 6) are described as follows:

1. call with the real-time alternating current phone of picture and text:

(1) caller is by calling the telephone number or the keyboard dialing of telephone set storage, and system will show and record goes electric telephone number and time.

(2) if the calling party telephone machine uses hand-written communication pattern, behind callee's off-hook the calling party give the hand-written communication pattern signal of called transmission or etc. the hand-written communication mode signal of called transmission send hand-written communication mode signal again.Both sides carry out hand-written communication again.If called use is that normal speech is taken on the telephone, both sides can only carry out traditional voice call so.

(3) if called use be the real-time alternating current phone of picture and text the time, calledly calledly after receiving the hand-written mode signal of caller send a hand-written mode response signal to caller, both sides promptly enter hand-written pattern; The called active person elder generation that also can be used as sends hand-written mode signal to caller in conversation, and caller is as long as reply write response signal on the other hand, and both sides can finish from the conversion of speech pattern WriteMode in one's hands, carry out hand-written conversation.

(4) during the ring unanswered, if the callee use be the real-time alternating current phone of picture and text and set automatic answer function that caller can send hand-written picture and text message or directly hangs up to the other side after receiving the hand-written answer signal of the other side's telephone set.If callee no one's off-hook is not received any answer signal yet after switch is connected back a period of time with speech channel, that can conclude then that the other side uses is common phone or uses the real-time alternating current phone of picture and text but do not set automatic picture and text answering that the calling party answers on-hook to dial after a while again.

(5) after the hand-written pattern of both sides' phone was ready to, LCD will display message remind them can carry out hand-written communication to both call sides.During hand-written communication, LCD can set the picture and text display mode of explicit user custom according to the user.

2. the callee receives calls with the real-time alternating current phone of picture and text

(1) when receiving call signal, phone carries out processes and displays and recording incoming number with these signals, reminds the user simultaneously in several ways: 1. ring or playing back music prompting; 2. the user is reminded in the flicker of indicator light of sending a telegram here; 3. pass through the vibrating alert user of wireless vibration device.User oneself can be provided with above-mentioned three kinds of alerting patterns, can select one or more alerting patterns.

(2) during callee's Nobody answers phone: if caller uses is to receive the real-time alternating current phone of picture and text, whether called phone can carry out automatic-answering back device according to user's setting sends hand-written hand-written picture and text message of replying picture and text and reception and preservation the other side.

(3) callee has the people to receive calls:

Behind the called hand-written pattern off-hook, if received the hand-written mode signal of caller, telephone set promptly can enter hand-written call mode behind off-hook, hand-written mode response signal can be sent to caller simultaneously, and both sides can carry out hand-written communication in real time.When if the voice call pattern of common voice call machine or the real-time alternating current phone of picture and text is used in caller, called is the mode signal that can not receive the caller machine in the official hour after carrying machine, and also be to use voice call or selection that the called information judgement that can show from telephone set LCD is hand-written communication are hung up.

(4), the time can carry out the switching of switching from voice communication mode to hand-written communication pattern or hand-written communication pattern to voice communication mode in conversation if both sides use hand-written telephone communication.

3. special circumstances: the deaf-mute uses the real-time alternating current phone of picture and text

(1) called is the deaf-mute: behind called connection phone, if what caller was used is common telephone set, the called state that can be judged the other side by the shape information that hand-written alternating current phone LCD upward shows makes one's options then and sends information indicating the other side, waits for or on-hook; If what caller was used is real-time alternating current phone of picture and text and use voice call mode, the called information that sends hand-written communication pattern is to caller, and the prompting caller enters hand-written exchange way conversation.

(2) caller is the deaf-mute: after connecting phone, if called use is ordinary telephone set, caller can be judged called state by the waveform on the telephone set LCD, thereby selects on-hook or remind the other side's on-hook then; If called use is the real-time alternating current phones of picture and text, caller can send information and enter hand-written exchange status to called prompting.

4. note is sent out receipts

The user can use SMS, the picture and text note that sends and accept, and the note of transmission can be hand-written authentic work figure, literal and symbol, also can be to utilize the keyboard on the telephone set to carry out phonetic input and stroke input characters.The transmission of note and acceptance can select the mode of " point-to-point " for use or " point is to the transmission and the receive mode of " center ".

5. notepad and hand-written message

The user is in the usual time or can open notepad in voice call, in handwriting screen, do the record of some conversations and writing of other, these records will be kept in the notepad as file after writing end, so that the user browses, the user can carry out editorial management to notepad and preserve or delete some files.

" message " signal that will send when the user can edit hand-written picture and text as automatic-answering back device, whether the user can open automatic answer function as required certainly.

Claims (5)

1. real-time alternating current phone of picture and text, form by host machine part and receiver two parts, main case is provided with key-press group, loudspeaker, pick-up, host machine part also includes hand-written touch screen and graphic display screen, and be contained in the main case inner circuit system, it is characterized in that: the Circuits System that is contained in the main case is by microprocessor module, the hand-written touch screen module, memory module, modulation transport module and LCD display module are formed, microprocessor by data/address bus and control bus respectively with the hand-written touch screen module, memory module, modulation transport module and LCD display module link to each other and each several part are controlled, and coordinate the work between each module; Described microprocessor module is to adopt extensive integrated telephone for special use IC; Described LCD has three groups of functions and shows: handwriting shows on the hand-written touch screen, handwriting 1/n shows and shows and receives the demonstration of incoming call picture and text on the graphic display screen.

2. the real-time alternating current phone of picture and text according to claim 1 is characterized in that: the modulation transport module is the high speed MODEM that adopts.

3. the real-time alternating current phone of picture and text according to claim 1 is characterized in that: be connected with incoming call call mode oscilloscope circuit with the LCD display module.

4. the real-time alternating current phone of picture and text according to claim 1 is characterized in that: have additional the incoming telephone signal wireless launcher in the host circuit and dispose the calling vibration device of wireless reception signal or the indicator light of sending a telegram here.

5. the real-time alternating current phone of picture and text according to claim 1 is characterized in that: be provided with the FSK listening key that is used to point out hand-written conversation on the telephone casing.

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