CN1140096C - Telephone with answer display function - Google Patents
Telephone with answer display function Download PDFInfo
- Publication number
- CN1140096C CN1140096C CNB001279696A CN00127969A CN1140096C CN 1140096 C CN1140096 C CN 1140096C CN B001279696 A CNB001279696 A CN B001279696A CN 00127969 A CN00127969 A CN 00127969A CN 1140096 C CN1140096 C CN 1140096C
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- telephone set
- register
- inverter
- processing unit
- central processing
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Abstract
The present invention discloses a telephone set with the functions of answer and display. A prompting ceiling light circuit composed of a register, a phase inverter and a display circuit is additionally arranged in a telephone set. The data signal output end of a central processing unit is connected to the input end of the register. The output end of the register is connected to the input end of the phase inverter. The output end of the phase inverter is connected to the display circuit. The register is used for latching the output end of the central processing unit. The phase inverter is used for driving the display circuit. The telephone has no need of opening the corresponding application program in ordinary times, the telephone set has luminous display to prompt operators when new left messages or new mails come, and the waste of resources and spaces is decreased.
Description
The present invention relates to telephone set, more specifically be meant a kind of telephone set with answer display function.
At present, the telephone set of some are integrated answer phone does not have the newer message prompt facility, and this telephone set exists tangible weak point, because each user can check just whether newer message is arranged after must pressing some keys.
The modulator-demodulator of integrated micro (Modem) in telephone set is realized Email (Email) function, is an importance of telephone set technology successful reform.Receive and dispatch Email on computers, at first will be by dialling up on the telephone, the Email program of opening client then could realize.The weak point of this mode is: carrying out other when operation, must open the Email program the user, and the prompt tone that could send by system, in time recognizing has new mail, and obviously, this has just caused the certain resource and the waste in space.
For this reason, order of the present invention is to overcome newer message that ordinary telephone set exists and do not have and receive new mail on prompting and the computer and point out machine-processed incomplete shortcoming at above-mentioned, a kind of telephone set with answer display function is provided, this telephone set need not to open corresponding application, just can point out newer message and new mail automatically.
To achieve these goals, the present invention adopts following technical scheme:
This telephone set with answer display function comprises the central processing unit that is used to control telephone set work operation, is used for the built-in storage that the store electricity phone runs application, it is characterized in that: also comprise the prompting ceiling light circuit that constitutes by register, inverter, display circuit in this telephone set, the data-signal output of described central processing unit is connected to the input of register, the output of register is connected to the input of inverter, and the output of inverter is connected to display circuit.
Because the present invention has set up a prompting ceiling light circuit in traditional telephone set, this prompting ceiling light circuit is by register, inverter, display circuit constitutes, the data-signal output of the central processing unit in the telephone set is connected to the input of register, the output of register is connected to the input of inverter, the output of inverter is connected to display circuit, register is used to latch the output of central processing unit, inverter is used to drive display circuit, make this telephone set need not to open corresponding application at ordinary times, when in case newer message or mail are arranged with regard to luminous demonstration, prompting operation person has reduced the waste in resource and space.
Below in conjunction with drawings and Examples, the present invention is done one explains:
Fig. 1 is a telephone set frame principle figure of the present invention.
Fig. 2 is a display part of the present invention schematic diagram.
Fig. 3 for telephone set of the present invention when newer message is arranged, show the operation principle flow chart.
Fig. 4 for telephone set of the present invention when new mail is arranged, show the operation principle flow chart.
See also shown in Figure 1ly, telephone set of the present invention comprises:
Be used to receive the signal that sends from the phone line end and carry out pretreated phone front-end circuit DAA;
Be used to receive the signal that sends from the phone line end and carry out pretreated modulator-demodulator front-end circuit Smart DAA;
The modulator-demodulator Modem that is used for dial-up connection;
The speech coder VoiceCode that is used for deal with data and audio files;
Be used to send the ringing circuit Riger of jingle bell;
Be used for sound intensifier Audio Amplifier that the signal that sends from audio frequency processing circuit and ringing circuit is carried out power amplification;
The built-in storage SDRAM that is used to run application;
The central processing unit (CPU) that is used for the control system operation;
Be used for the supply voltage translation circuit with the power supply step-down, this circuit becomes direct current 3.3V with direct current 7V.
In addition, please in conjunction with shown in Figure 2, this telephone set with answer display function also comprises by register 10, inverter 20, the prompting ceiling light circuit that display circuit 30 constitutes, the model that central processing unit adopts TOSHIBA company to produce is the TMP91CM20 chip, data-signal output (the D0 end of described central processing unit, the D1 end) out0, out1 is connected to the input D5 of register 10, D6, the output Q5 of register 10, Q6 is connected to the input 5A of inverter 20, the 6A end, the output 5Y of inverter 20,6Y is connected to display circuit 30, display circuit 30 comprises that two branch roads that are connected in parallel constitute, wherein, one branch road shows new mail, another branch road shows newer message, and two branch roads are respectively by resistance R 1, LED 1 is connected in series and mutually by resistance R 2, LED 2 is connected in series mutually.
It is eight d type flip flops of 74LS273 that described register 10 adopts a model, and exit CLK is a clock end.
Described inverter 20 employings one model is 7406 hex inverter.
Be example with LED 1 below, the course of work of this prompting ceiling light circuit is described, when clock signal clk is a high level, when the output OUT0 of central processing unit also is high level, the output Q5 end of register 10 is high level, the output 5Y of inverter 20 then puts down LED 1 luminous demonstration for low.When clock signal clk was low level, no matter the input of register 10 was high level or low level, and output 5Y, the 6Y end of inverter 20 all is locked in high level, the not luminous demonstration of the light-emitting diode of display circuit 30.
This telephone set comprises that also one is used to close the external memory Flash FAM (asking for an interview Fig. 1) of storage newer message and new mail data, and external memory is connected with the central processing unit bi-directional data.
When newer message or new mail came, telephone set operation principle process of the present invention was described below:
See also shown in Figure 3,
When external event (newer message is promptly arranged) requires central processing unit (CPU) to serve for it, at first sending " interrupting an application " signal interrupts application for central processing unit (CPU), cause that central processing unit (CPU) interrupts the program of moving, enter the interrupt response cycle, central processing unit (CPU) is after finding the entry address of interrupt service routine, forward the interrupt service routine of external event to, interrupt service routine sends to operating system OS with the message that produces, OS is according to message operation telephone service application program, and this application program is connected phone front-end circuit and ringing circuit simultaneously.The phone front-end circuit carries out preliminary treatment to the audio signal that receives from telephone wire, and when audio signal reached a default stationary value, application program control ringing circuit made it after sound intensifier carries out processing and amplifying, the beginning ring.When the value (this value is meant the ringing number of automatic unlatching answer phone) of counter write down in the program ringing number and setting when equating, program will be according to presetting, and request is interrupted once more, makes OS start the Another application program.At this moment, the front-end circuit of modulator-demodulator begins to receive and preprocessed audio signal, when audio signal reaches certain program preset value, and application program launching modulator-demodulator Modem.Because adopt the Modem with functions such as data, sound, the answer phone suggestion voice that is stored in the speech coder can be play-overed by Modem, the person begins message according to suggestion voice to dial in the phone.The message process realizes by the data that constantly exchange in Modem data designated buffering area and the built-in storage.The message record is deposited among the external memory Flash RAM.At this moment, application driven prompting ceiling light circuit is in this circuit, LED1 represents newer message, uses red light emitting diodes, and the newer message warning light adopts red, message is relatively more urgent usually owing to send a telegram here, and it has higher priority, and redness is urgent just or the signal coloration of warning.
See also shown in Figure 4,
In like manner, the program that central processing unit (CPU) interruption is moving when external event (new mail Email is promptly arranged) requires central processing unit (CPU) to serve for it, enter interrupt service routine, the message that produces is sent to operating system OS, start the application program of transmitting-receiving Email by OS.This application program at first makes the modulator-demodulator front-end circuit receive and preprocessed audio signal, when audio signal arrives certain programmed values, starts modulator-demodulator Modem, makes it enter operating state.Modem automatic off-hook (promptly being in the Offhook state), continuous then Monitoring Line state when it receives dialing signal, begins dialing.If dial-up success, Modem at first enters link establishment phase, sets up network communication protocol then from the bottom to top successively, sets up the important step that link and agreement are network data transmission.If set up failure, network data can't be transmitted.DTD, application program sends software interrupt requests, makes OS know message, and new mail is deposited among the external memory Flash RAM.At this moment, application driven prompting ceiling light circuit, in this circuit, LED2 represents new mail, uses green LED, adopts the green the postal system that met to adopt green convention, makes things convenient for the user to remember.
External memory is mainly used in storage newer message and new mail data, and it adopts Flash RAM (being equivalent to hard disc of computer) the storage newer message record of 10MB, for endless message provides precondition.
Built-in storage adopts the SDRAM (being equivalent to calculator memory) of 2MB, has reduced inside and outside deposit data exchange frequency, has accelerated program operation speed.
Telephone set of the present invention mainly is by Event triggered, interrupts central processing unit (CPU) work, and central processing unit (CPU) transmits message and gives operating system then, and by the os starting corresponding application, the work of control relevant hardware realizes.
Claims (3)
1, a kind of telephone set with answer display function, this telephone set with answer display function comprise the central processing unit that is used to control telephone set work operation, are used for the built-in storage that the store electricity phone runs application, and it is characterized in that:
Also comprise the prompting ceiling light circuit that constitutes by register, inverter, display circuit in this telephone set, the data-signal output of described central processing unit is connected to the input of register, the output of register is connected to the input of inverter, and the output of inverter is connected to display circuit.
2, the telephone set with answer display function as claimed in claim 1 is characterized in that:
It is eight d type flip flops of 74LS273 that described register adopts a model;
It is 7406 hex inverter that described inverter adopts a model;
Described display circuit comprises and two branch roads that connect constitute, and wherein, a branch road shows new mail, and another branch road shows newer message, and two branch roads are connected in series mutually by resistance, light-emitting diode.
3, the telephone set with answer display function as claimed in claim 1 is characterized in that: comprise also in this telephone set that one is used to store the external memory of newer message and new mail data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001279696A CN1140096C (en) | 2000-12-21 | 2000-12-21 | Telephone with answer display function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001279696A CN1140096C (en) | 2000-12-21 | 2000-12-21 | Telephone with answer display function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1360425A CN1360425A (en) | 2002-07-24 |
| CN1140096C true CN1140096C (en) | 2004-02-25 |
Family
ID=4592878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001279696A Expired - Fee Related CN1140096C (en) | 2000-12-21 | 2000-12-21 | Telephone with answer display function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1140096C (en) |
-
2000
- 2000-12-21 CN CNB001279696A patent/CN1140096C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1360425A (en) | 2002-07-24 |
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