CN2751488Y - Digital telephone set with USB digital interface and audio interface - Google Patents

Abstract

The utility model relates to a digital code fixing telephone with a digital interface and an audio frequency interface of a universal serial bus, which belongs to the technical field of telephone communication. The utility model has the technical scheme that the telephone is organically combined with a computer by using the digital interface and the audio frequency interface of the universal serial bus. Through the control program and the data transmission of the telephone, the utility model realizes the transmission of telephone information and realizes that the computer controls the telephone. Through the communication of the interface circuit of the universal serial bus and the computer, the utility model completes conversation state information, such as incoming call display, busy tone, mute, etc., which are transmitted to the computer, or the utility model receives the operation of the computer, such as the instruction, the execution dialing, off-hook, on-hook, etc., which are sent out by the interface circuit of the universal serial bus. The speech signal channels are mutually switched between a handle and a hand-free telephone, and various management functions are realized, such as incoming call prompting, business card seeking, etc. The mutual switching of the speech signal channels and the management function of leaving word recording are realized through an audio frequency control circuit. The utility model increases telephone recording time which can be stored in the computer.

Description

The digital phone set that has USB digital interface and audio interface

Technical field

The utility model relates to a kind of digital fixed telephone that has USB digital interface and audio interface, belongs to telephone communicating technology field.

Background technology

At present, though the ordinary calls that appears on the market on the market shows telephone set and has caller identification and storage caller identification number function, but number that can only recording incoming, informational linkages such as this telephone number and counterpart personnel's name, unit can't be got up, and the speed dial number of storage also has a lot of restrictions; In addition, owing to be subjected to the restriction of seven segment code display screen, it is very complicated loaded down with trivial details that many feature operations become; Simultaneously, the record length weak point is the common problem that the digital recording telephone set exists, be generally about 15 minutes, and can not realize the searching of information, share, miscellaneous function such as backup.Therefore, this type of telephone functionality is single, can not satisfy user's specific demand.

The utility model content

The purpose of this utility model is: USB digital interface (USB interface) and the audio interface of utilizing the utility model to have, cooperate corresponding software programs, the information of telephone wire is delivered to computer to write down and manages, simultaneously can accept to finish corresponding operation, realize following function from the control command of computer transmission:

A. when computer did not link to each other with this telephone set, telephone set was an independently caller ID telephone;

B. when computer links to each other with this telephone set, when caller ID is presented at phone set display, computer screen ejects the caller identification interface, and searches the corresponding personal information of caller ID in the address list of computer, and incoming information is carried out multi-functional many-sided management;

C. when computer linked to each other with this telephone set, computer can directly be called, direct and the opposing party's conversation by headset;

D. when computer links to each other with this telephone set, but phone ring unanswered message just recorded is stored in the computer.

Technical essential of the present utility model is: utilize USB digital interface (USB interface) and audio interface that telephone set and computer are organically combined, realize the control to telephone set of the transmission of phone information and computer by telephone set control program and data distributing program.

The utility model comprises power supply, audio control circuit, optical isolator, USB (universal serial bus) circuit, LCD display, conversation control module, keyboard and telephone handle, its structure annexation as shown in Figure 1: telephone handle, LCD display, keyboard respectively with the conversation control module link to each other; Audio control circuit links to each other with the conversation control module by the audio frequency control interface; The USB (universal serial bus) circuit links to each other with optical isolator, and optical isolator links to each other with the conversation control module by the digital communication control interface; Power supply provides electric energy for digital phone; Audio control circuit links to each other with computer by the audio frequency input/output line; Digital phone links to each other with computer by USB (universal serial bus).

Usefulness of the present utility model is: carry out communication by USB (universal serial bus) circuit and computer, finish to computer transmission caller identification, busy tone and call status information such as quiet, or the receiving computer instruction of sending by the USB (universal serial bus) circuit, carry out operational motions such as dialing, off-hook, on-hook, and voice channel is switched mutually at handle, between hands-free, many-sided management function such as realize that incoming call prompting, business card are searched; By audio control circuit, make the utility model not only realize the mutual switching of voice channel, the management function of message just recorded, and increased the telephonograph time, and can be stored in the computer.

Description of drawings

Fig. 1 is the structural principle schematic diagram of the utility model digital phone

The 1-digital phone, 2-audio frequency control interface, 3-digital communication control interface, 4-audio frequency input/output line, 5-telephone wire, 6-telephone handle

Fig. 2 is a circuit theory schematic diagram of the present utility model

7-USB (universal serial bus) circuit, 8-optical isolator, 9-stereo jack, 10-audio control circuit, the 11-control module of conversing, 12-USB (universal serial bus) (USB interface), 13-plain old telephone speaking circuit

Embodiment

In Fig. 1 structural principle schematic diagram, the conversation control module of the utility model indication has adopted EM78806 phone-specific chip, and the USB (universal serial bus) circuit has adopted the HT82K96E chip; The power supply of telephone set, speaking circuit, hands-free, keyboard, LCD display part are identical with ordinary telephone set, and its concrete annexation is: telephone wire, telephone handle, LCD display, keyboard link to each other with the conversation control module respectively; Audio control circuit links to each other with the conversation control module by the audio frequency control interface; The USB (universal serial bus) circuit links to each other with optical isolator, and optical isolator links to each other with the conversation control module by digital communication control interface 3; Power supply provides electric energy for the utility model; Audio control circuit links to each other with computer by the audio frequency input/output line; The utility model links to each other with computer by USB (universal serial bus).

In Fig. 2 circuit theory schematic diagram, USB (universal serial bus) circuit and conversation control module chip EM78806 are that the transfer of data between the chip U8 depends on two I/O mouths, one is that common I/O mouth is the 82 pin of chip U8, another is to interrupt pin, that is: the 92 pin of chip U8; When chip U8 receives telephone signal on the telephone wire, pass the USB (universal serial bus) circuit by these two I/O oral instructions, the USB (universal serial bus) circuit passes to computer by USB interface with signal again, and computer can be handled information; When chip U8 passed to computer with voice messaging, another I/O mouth of chip U8 i.e. the 84 pin passed to computer by audio control circuit control call voice information again by the audio frequency control interface, realizes the recording and the conversation of phone; Its concrete circuit connecting relation is: first, second, third and fourth of chip U8, five pins are unsettled; The 6th pin ground connection of chip U8; The 8th pin of chip U8 is connected back ground connection with capacitor C 59; The tenth pin of chip U8 is connected back ground connection with resistance R 58; The tenth three-prong of chip U8 is connected back ground connection with capacitor C 63; The 14 pin of chip U8 is connected back ground connection with capacitor C 64; The end of crystal oscillator X2 links to each other with the tenth three-prong of chip U8, and the other end links to each other with the 14 pin of chip U8; The 15 pin of chip U8 links to each other with an end of resistance R 91, resistance R 101 respectively, the other end of resistance R 91 links to each other with the positive pole of diode D32, the negative pole of diode D32 links to each other with the 16 pin of chip U8, and the other end of resistance R 101 links to each other with the 16 pin of chip U8; The 17 pin of chip U8 meets power supply VCC; One end of capacitor C 65 links to each other with the negative pole of diode D32, and the other end is connected back ground connection with capacitor C 67, and an end links to each other other end ground connection with the 17 pin of chip U8 respectively after electrochemical capacitor C66 and capacitor C 67 and the downlink connection; The 18 to the 38 pin of chip U8 is unsettled; Ground connection after the 39,40 pins of chip U8 are connected in parallel; The 41 to the 81 pin of chip U8 is unsettled; The 82 pin of chip U8 links to each other with the three-prong of chip U12; The 84 pin of chip U8 and the base stage that meets triode Q28 after resistance R 107 is connected, the emitter of triode Q28 is connected back ground connection with resistance R 108, the collector electrode of triode Q28 links to each other with the positive pole of diode D36, and the negative pole of diode D36 meets power supply VCC; First pin of relay K 12 meets power supply VCC; Second pin of relay K 12 links to each other with the positive pole of diode D36; Third and fourth pin of relay K 12 inserts the speaking circuit of plain old telephone; The 5th, seven pins of relay K 12 are unsettled; The 6th, eight pins of relay K 12 link to each other with second, four pins of stereo jack J2 respectively; First and third pin of stereo jack J2 is unsettled; The 5th pin ground connection of stereo jack J2; The 86,87,88,89 pins of chip U8 are unsettled; The 90 pin of chip U8 meets power supply VCC; The 91 pin of chip U8 links to each other with an end of electrochemical capacitor C68 and resistance R 102, the positive pole of diode D33 respectively, meets power supply VCC after the negative pole of the other end of resistance R 102 and diode D33 is connected in parallel, the other end ground connection of electrochemical capacitor C68; The 92 pin of chip U8 links to each other with the 6th pin of chip U11; The 93 to the 100 pin of chip U8 is unsettled; The 7th, nine, 11,12,83,85 pins of chip U8 link to each other with the speaking circuit of plain old telephone; Chip HT82K96E be chip U7 first, the 6th to the 13, the 18 to the 24, the 27,28 pin is unsettled; Second pin of chip U7 meets power supply VCC; One end of capacitor C 77 links to each other other end ground connection with second pin of chip U7; The three-prong of chip U7 is connected back ground connection with electrochemical capacitor C69; One end of capacitor C 70 links to each other other end ground connection with the three-prong of chip U7; One end of resistance R 103 links to each other with the three-prong of chip U7, and the other end links to each other with the 5th pin of chip U7, an end of resistance R 104 respectively, and the other end of resistance R 104 and USB (universal serial bus) 12 are that the three-prong of chip USB PORT links to each other; One end of capacitor C 71 links to each other with the three-prong of chip U7, and the other end links to each other with the 4th pin of chip U7, an end of capacitor C 72 respectively, the other end ground connection of capacitor C 72; One end of capacitor C 73 links to each other with the three-prong of chip U7, and the other end links to each other with the 5th pin of chip U7, an end of capacitor C 74 respectively, the other end ground connection of capacitor C 74; The 4th pin of chip U7 links to each other with an end of resistance R 105, and the other end of resistance R 105 links to each other with second pin of chip USB PORT; The 14 pin ground connection of chip U7; The 15 pin of chip U7 links to each other with an end of resistance R 110, capacitor C 75 respectively, the other end ground connection of capacitor C 75, the other end of resistance R 110 links to each other with an end of resistance R 111, capacitor C 76 respectively, another termination power VCC of resistance R 111, the other end ground connection of capacitor C 76; The 16 pin of chip U7 is connected back ground connection with capacitor C 78; The end of crystal oscillator X3 links to each other with the 16 pin of chip U7, and the other end links to each other with the 17 pin of chip U7, an end of capacitor C 79 respectively, the other end ground connection of capacitor C 79; First, fourth pin of chip U11 is unsettled; Second pin of chip U11 with meet power supply VCC after resistance R 78 is connected; The three-prong of chip U11 links to each other with the 25 pin of chip U7; The 5th pin ground connection of chip U11; The 6th pin of chip U11 links to each other with an end of resistance R 75 and the 92 pin of chip U8 respectively, and the other end of resistance R 75 links to each other with the 8th pin of power supply VBB and chip U11 respectively; The 7th pin of chip U11 is unsettled; First, fourth pin of chip U12 is unsettled; Second pin of chip U12 with meet power supply VBB after resistance R 79 is connected; The three-prong of chip U12 links to each other with the 82 pin of chip U8; The 5th pin ground connection of chip U12; The 6th pin of chip U12 links to each other with an end of resistance R 81 and the 26 pin of chip U7 respectively, and the other end of resistance R 81 links to each other with the 8th pin of power supply VCC and chip U12 respectively; The 7th pin of chip U12 is unsettled; The 1st pin ground connection of chip USB PORT; The 4th pin of chip USB PORT meets power supply VCC; One end of capacitor C 61 links to each other with first pin of chip USB PORT, and the other end links to each other with the 4th pin of chip USB PORT; The end ground connection of electrochemical capacitor C62, another termination power VCC.Like this, phone information is that the 82 and the 92 pin passes to the USB (universal serial bus) circuit by two I/O mouths of chip U8, the USB (universal serial bus) circuit is given computer through USB interface with message transmission again, and computer just can be handled information, realizes multiple function.

That is: when digital phone when computer transmits voice messaging, conversation control module control audio control circuit, I/O telephone audio information, realize on computers recording and call function, and when computer did not link to each other with the utility model, telephone set was exactly an independently caller identification digital phone set.

Described caller identification bullet business card function comprises following process at least:

The conversation control module detects the caller id information on the digital telephone telephone wire, information is decoded and shown on the LCD display of telephone set, simultaneously the caller identification telephone number is transferred to the USB (universal serial bus) circuit with the digit pulse form by optical isolator, the USB (universal serial bus) circuit with the caller identification telephone number according to USB host-host protocol standard, be delivered to computer and handle, as: carry out playing business card, incoming call number record supervisor.

Described computer automatic dialing comprises following process at least:

When user's operational computations machine moves automatic dial-up program, computer is according to USB host-host protocol standard, the order of will dialling automatically sends to the USB (universal serial bus) circuit, the USB (universal serial bus) circuit will dial the order and telephone number be transferred to the conversation control module with the digit pulse form by optical isolator, after the conversation control module received instruction, the control phone entered the hand-free call state; Simultaneously, the conversation control module produces double-tone pulse signal frequently according to the telephone number of automatic dialing command request, sends to and finishes dialing procedure on the telephone wire.

Described calling record function comprises following process at least:

When user's operational computations machine operation calling record program, computer is according to the universal serial bus protocol standard, the calling record order is sent to the USB (universal serial bus) circuit, the USB (universal serial bus) circuit will record the order and telephone number be transferred to the conversation control module with the digit pulse form by optical isolator, after the communication program of conversation control module receives instruction, whether I/O port controlling by the conversation control module detects phone in talking state, if phone is in talking state, communication program is connected the audio signal of telephone wire by conversation control module control audio control circuit, this computer-chronograph begins calling record by the audio-frequency information of sound card record audio input/output line transmission; After phone is hung up, the conversation control module detects phone and hangs up state information, the telephone set state information is transferred to the USB (universal serial bus) circuit with the digit pulse form by optical isolator, the USB (universal serial bus) circuit with telephone state information according to the universal serial bus protocol standard, be delivered to computer and handle, finish the calling record process.

Described unmanned automatic answer function comprises following process at least:

The conversation control module detects caller id information and the bell signal on the digital telephone telephone wire, is delivered to computer by the USB (universal serial bus) circuit and handles.If nobody replys in official hour, program begins to start.Computer is according to the universal serial bus protocol standard, to reply instruction is delivered on the conversation control module, communication program control audio control circuit is connected the audio signal of telephone wire, this computer-chronograph is play the audio-frequency information of answering record greeting and the transmission of record audio input/output line, beginning calling record by sound card.

After phone is hung up, the conversation control module detects phone hook state information on the telephone wire, this state information is delivered to the USB (universal serial bus) circuit with the digit pulse form by optical isolator, the USB (universal serial bus) circuit with telephone state information according to the universal serial bus protocol standard, be delivered to computer and handle, finish the automatic-answering back device process; Or after phone was hung up, computer program detected mute signal or busy-back signal on the telephone wire by the stereo jack of sound card, judged phone hook state information, finished the automatic-answering back device process.

Claims (6)

1, a kind of digital phone set with power supply, LCD display, keyboard, telephone handle, USB digital interface and audio interface is characterized in that: telephone handle, LCD display, keyboard link to each other with the conversation control module respectively; Audio control circuit links to each other with the conversation control module by the audio frequency control interface; The USB (universal serial bus) circuit links to each other with optical isolator, and optical isolator links to each other with the conversation control module by the digital communication control interface; Power supply provides electric energy for digital phone; Audio control circuit links to each other with computer by the audio frequency input/output line; Digital phone links to each other with computer by USB (universal serial bus).

2, digital phone set according to claim 1, it is characterized in that: computer does not link to each other with digital phone set, and telephone set is an independently caller ID telephone.

3, digital phone set according to claim 1, it is characterized in that: computer links to each other with digital phone set, when caller ID is presented at phone set display, computer screen ejects the caller identification interface, and in the address list of computer, search the corresponding personal information of caller ID, computer manages incoming information.

4, digital phone set according to claim 1 is characterized in that: computer links to each other with digital phone set, and computer can directly be called, direct and the opposing party's conversation by headset.

5, digital phone set according to claim 1 is characterized in that: computer links to each other with digital phone set, but phone ring unanswered message just recorded is stored in computer.

6, digital phone set according to claim 1 is characterized in that: concrete circuit connecting relation is: first, second, third and fourth of chip U8, five pins are unsettled; The 6th pin ground connection of chip U8; The 8th pin of chip U8 is connected back ground connection with capacitor C 59; The tenth pin of chip U8 is connected back ground connection with resistance R 58; The tenth three-prong of chip U8 is connected back ground connection with capacitor C 63; The 14 pin of chip U8 is connected back ground connection with capacitor C 64; The end of crystal oscillator X2 links to each other with the tenth three-prong of chip U8, and the other end links to each other with the 14 pin of chip U8; The 15 pin of chip U8 links to each other with an end of resistance R 91, resistance R 101 respectively, the other end of resistance R 91 links to each other with the positive pole of diode D32, the negative pole of diode D32 links to each other with the 16 pin of chip U8, and the other end of resistance R 101 links to each other with the 16 pin of chip U8; The 17 pin of chip U8 meets power supply VCC; One end of capacitor C 65 links to each other with the negative pole of diode D32, and the other end is connected back ground connection with capacitor C 67, and an end links to each other other end ground connection with the 17 pin of chip U8 respectively after electrochemical capacitor C66 and capacitor C 67 and the downlink connection; The 18 to the 38 pin of chip U8 is unsettled; Ground connection after the 39,40 pins of chip U8 are connected in parallel; The 41 to the 81 pin of chip U8 is unsettled; The 82 pin of chip U8 links to each other with the three-prong of chip U12; The 84 pin of chip U8 and the base stage that meets triode Q28 after resistance R 107 is connected, the emitter of triode Q28 is connected back ground connection with resistance R 108, the collector electrode of triode Q28 links to each other with the positive pole of diode D36, and the negative pole of diode D36 meets power supply VCC; First pin of relay K 12 meets power supply VCC; Second pin of relay K 12 links to each other with the positive pole of diode D36; Third and fourth pin of relay K 12 inserts the speaking circuit of plain old telephone; The 5th, seven pins of relay K 12 are unsettled; The 6th, eight pins of relay K 12 link to each other with second, four pins of stereo jack J2 respectively; First and third pin of stereo jack J2 is unsettled; The 5th pin ground connection of stereo jack J2; The 86,87,88,89 pins of chip U8 are unsettled; The 90 pin of chip U8 meets power supply VCC; The 91 pin of chip U8 links to each other with an end of electrochemical capacitor C68 and resistance R 102, the positive pole of diode D33 respectively, meets power supply VCC after the negative pole of the other end of resistance R 102 and diode D33 is connected in parallel, the other end ground connection of electrochemical capacitor C68; The 92 pin of chip U8 links to each other with the 6th pin of chip U11; The 93 to the 100 pin of chip U8 is unsettled; The 7th, nine, 11,12,83,85 pins of chip U8 link to each other with the speaking circuit of plain old telephone; Chip HT82K96E be chip U7 first, the 6th to the 13, the 18 to the 24, the 27,28 pin is unsettled; Second pin of chip U7 meets power supply VCC; One end of capacitor C 77 links to each other other end ground connection with second pin of chip U7; The three-prong of chip U7 is connected back ground connection with electrochemical capacitor C69; One end of capacitor C 70 links to each other other end ground connection with the three-prong of chip U7; One end of resistance R 103 links to each other with the three-prong of chip U7, and the other end links to each other with the 5th pin of chip U7, an end of resistance R 104 respectively, and the other end of resistance R 104 and USB (universal serial bus) 12 are that the three-prong of chip USB PORT links to each other; One end of capacitor C 71 links to each other with the three-prong of chip U7, and the other end links to each other with the 4th pin of chip U7, an end of capacitor C 72 respectively, the other end ground connection of capacitor C 72; One end of capacitor C 73 links to each other with the three-prong of chip U7, and the other end links to each other with the 5th pin of chip U7, an end of capacitor C 74 respectively, the other end ground connection of capacitor C 74; The 4th pin of chip U7 links to each other with an end of resistance R 105, and the other end of resistance R 105 links to each other with second pin of chip USB PORT; The 14 pin ground connection of chip U7; The 15 pin of chip U7 links to each other with an end of resistance R 110, capacitor C 75 respectively, the other end ground connection of capacitor C 75, the other end of resistance R 110 links to each other with an end of resistance R 111, capacitor C 76 respectively, another termination power VCC of resistance R 111, the other end ground connection of capacitor C 76; The 16 pin of chip U7 is connected back ground connection with capacitor C 78; The end of crystal oscillator X3 links to each other with the 16 pin of chip U7, and the other end links to each other with the 17 pin of chip U7, an end of capacitor C 79 respectively, the other end ground connection of capacitor C 79; First, fourth pin of chip U11 is unsettled; Second pin of chip U11 with meet power supply VCC after resistance R 78 is connected; The three-prong of chip U11 links to each other with the 25 pin of chip U7; The 5th pin ground connection of chip U11; The 6th pin of chip U11 links to each other with an end of resistance R 75 and the 92 pin of chip U8 respectively, and the other end of resistance R 75 links to each other with the 8th pin of power supply VBB and chip U11 respectively; The 7th pin of chip U11 is unsettled; First, fourth pin of chip U12 is unsettled; Second pin of chip U12 with meet power supply VBB after resistance R 79 is connected; The three-prong of chip U12 links to each other with the 82 pin of chip U8; The 5th pin ground connection of chip U12; The 6th pin of chip U12 links to each other with an end of resistance R 81 and the 26 pin of chip U7 respectively, and the other end of resistance R 81 links to each other with the 8th pin of power supply VCC and chip U12 respectively; The 7th pin of chip U12 is unsettled; The 1st pin ground connection of chip USB PORT; The 4th pin of chip USB PORT meets power supply VCC; One end of capacitor C 61 links to each other with first pin of chip USB PORT, and the other end links to each other with the 4th pin of chip USB PORT; The end ground connection of electrochemical capacitor C62, another termination power VCC.

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