CN2459829Y - Intelligent automatic dialing selective telephone set - Google Patents

Abstract

The utility model relates to an intelligent automatic dialing selective telephone set which comprises a ringing circuit, a polarity protection circuit, a power circuit of a dialing circuit, a dual-audio amplification circuit of the dialing circuit and a speech circuit. The utility model is characterized in that the utility model is provided with an intelligent automatic selective dialing circuit composed of a status selective setting circuit, a keyboard circuit, a microprocessor CPU circuit, a speech detection circuit, a dual-audio generator and a read-write device for IC cards, wherein the input terminal of the speech detection circuit is connected with the endpoint of the output terminal b of the speech circuit, the output terminal of the dual-audio generator is respectively connected with the endpoint of the input terminal a of a dual-audio amplification circuit and the endpoint of the input terminal C of the speech circuit of the dialing circuit, and the switching off mute control terminal of the CPU is connected with the endpoint of the input terminal C of the speech circuit.

Description

Intelligence is selected dial telephone set automatically

The utility model relates to a kind of communication terminal device, and particularly a kind of intelligence is selected dial telephone set automatically.

Day by day full-fledged along with Internet technology, IP telephone service becomes a kind of very important means of communication in people's daily life, but IP phone inconvenience in the use makes the cheap advantage of its telephone expenses be difficult to performance.IP telephone service can not be directly at unattended public telephone set, go up use as card phone machine, IC Card Telephone machine, 202 exclusive telephones etc., on home-use fixed line phone machine, use, could use after also will dialing " Number for access+speech selection+card number+#+ password+#+ callee number+# " one by one, method of operation is loaded down with trivial details, inconvenience is prone to mistake.

The purpose of this utility model is to design a kind of can the use as public telephone service, can make the simple to operation of family's base use again, and the intelligence that can not go wrong is selected dial telephone set automatically.

The purpose of this utility model is to realize like this; a kind of intelligence is selected dial telephone set automatically; include ringing circuit; polar protective circuit; the power circuit of dial-up circuit; the double audio amplification circuit of dial-up circuit; speaking circuit; be characterized in being provided with one and select to be provided with circuit by state; keyboard circuit; the microprocessor CPU circuit; the speech detection circuit; two audio-frequency generators; the intelligence that the IC-card read write line constitutes is selected dial-up circuit automatically; the input of its speech detection circuit is connected with the I/O b end points of speaking circuit; the output of two audio-frequency generators is connected with the input a end points of the double audio amplification circuit of dial-up circuit and the input C end points of speaking circuit respectively, and the quiet control end in the pass of CPU is connected with the input C end points of speaking circuit.

Because dial-up circuit has adopted intelligent automatic selection dial-up circuit, by microprocessing and IC-card technology, called out the numbers (or feature operation) that the user dials handled with microprocessor CPU earlier, judge its length way call attribute, thereby select to dial IP telephone service or other telephone service (or carrying out the function corresponding operation) that from IC-card, reads in.

Automatically select dial telephone set simple to operate, easy to use, safe and reliable by the intelligence that the utility model provides, can not go wrong, both can be used as public telephone service and used, and can be used as household fixed telephone again and use, and need not change existing telephone system miscellaneous equipment.

The utility model has following accompanying drawing:

Fig. 1 is a theory diagram of the present utility model.

Fig. 2 is the circuit theory diagrams that intelligence is selected dial-up circuit automatically in the utility model.

Among the figure: the double audio amplification circuit 5-speaking circuit 6-intelligence of the power circuit 4-dial-up circuit of 1-ringing circuit 2-polar protective circuit 3-dial-up circuit selects dial-up circuit 6-1-state to select to be provided with the two audio-frequency generator 6-6-IC card readers of circuit 6-2-keyboard circuit 6-3-microprocessor CPU circuit 6-4-speech detection circuit 6-5-automatically

With reference to the accompanying drawings embodiment of the present utility model is described further.As Fig. 1; shown in Figure 2; intelligence is selected dial telephone set automatically; include ringing circuit 1; polar protective circuit 2; the power circuit 3 of dial-up circuit; the double audio amplification circuit 4 of dial-up circuit; speaking circuit 5; be provided with one and select to be provided with circuit 6-1 by state; keyboard circuit 6-2; microprocessor CPU circuit 6-3; speech detection circuit 6-4; two audio-frequency generator 6-5; the intelligence that IC-card read write line 6-6 constitutes is selected dial-up circuit 6 automatically; the input of its speech detection circuit 6-4 is connected with the I/O b end points of speaking circuit 5; the output of two audio-frequency generator 6-5 is connected with the input a end points of the double audio amplification circuit 4 of dial-up circuit and the input C end points of speaking circuit 5 respectively, and the quiet control end in the pass of CPU6-3 is connected with the input C end points of speaking circuit 5.Microprocessor adopts MCS-51 series CPU.

Keyboard circuit is made up of keyboard Acquisition Circuit that is provided with ten key, #, ※ keyboard and other function A, B, C, D key and 16 lines-4 line encoder IC1 keyboard coding circuit, output Q0-Q3 is connected with the P0.0-P0.3 pin of the data input/output port of microprocessor CPU circuit respectively, enable input CS and be connected, as shown in Figure 2 with the P2.6 pin of the address input/output port of CPU.It is a binary digital information with the information translation of keyboard collection, handles by the data input/output port P0.0-P0.3 confession microprocessor CPU of CPU, and the P2.6 pin in the address input/output port of CPU enables input as control.

State is selected that circuit is set and is made up of 4 lines-2 line encoder IC2, IC3, triode Q1, K switch 1, K2, input Q0, the Q1 of IC2 is connected with P0.0, the P0.1 pin of the data input/output port of microprocessor CPU circuit respectively, input Q0, the Q1 of IC3 is connected with P0.2, the P0.3 pin of the data input/output port of microprocessor CPU circuit respectively, the base stage of triode Q1 is connected with the P2.7 pin of the address input/output port of microprocessor CPU circuit, as shown in Figure 2.It selects to be provided with variable connector K1 according to different purposes to dialing different telephone services, the IP telephone service in different places or the difference of other telephone service are dialed mode and variable connector K2 are set, P2.7 pin in the address input/output port of microprocessor CPU circuit enables input as control and opens triode Q1, and data input/output port P0.0-P0.3 reads in state and selects configuration information.

Two audio-frequency generators produce IC circuit 4, capacitor C 1, C2, crystal oscillator CY1 frequently by double-tone and form, the digital information of the digital information of microprocessor CPU output or keyboard circuit output is converted to double-audio signal passes to a end points, after double audio amplification circuit 4 amplifies, reach telephone wire output, connect called phone.Simultaneously send to speaking circuit 5 and close mute signal MUTE (CPU also can go out MUTE by the P1.6 human hair combing waste of the control mouth of CPU and close mute signal to the C end points after transmitting data to two audio-frequency generators through closing mute signal MUTE output C end points, be used to avoid the system voice prompting to enter speaking circuit, behind called number, open the silence switch of P1.6 pin of the control mouth of CPU), the P1.1 pin of the control mouth of CPU for this reason circuit enable input.

The IC-card read write line is made up of IC-card interface JK, is used to read in the data in the IC-card and IC-card operated.CPU and IC-card read write line carry out half-duplex operation, and the P3.0 pin of CPU is the data I/O, and the P3.1 pin is the clock pulse input terminal of IC-card read write line, and the P1.0 pin is an IC-card read write line RESET control end.When card inserted, the IC-card read write line will send an interrupt requests INTO to CPU, allows CPU that the IC-card read write line is operated, and CPU will shield worn-out INTO request when conversing.

The speech detection circuit is made up of comparator IC5, JK flip-flop IC6, resistance R 1, capacitor C 5, triode Q2, voice signal inputs to the end of IC5 from the I/O b end points of speaking circuit 5, by triode Q2 it being enabled control by the P1.2 pin of microprocessor CPU compares, the speech detection signal is sent to the P1.7 pin of CPU from output, and telephone set is controlled.The J end of IC6 is connected with clock pulse input terminal (output of IC5), the K end ground connection of IC6.

The utility model provides a kind of very natural user to use the interface, is similar to the IC Card Telephone use interface that people have been accustomed to; Toll telephone automatic calling IP phone business is user's cost saving; Can be connected with the special telephone line (as 202 special telephone lines) of limited dialing, prevent by combined with other handset and illegally used.

Claims (3)

1. an intelligence is selected dial telephone set automatically; include ringing circuit (1); polar protective circuit (2); the power circuit of dial-up circuit (3); the double audio amplification circuit of dial-up circuit (4); speaking circuit (5); it is characterized in that being provided with one and select to be provided with circuit (6-1) by state; keyboard circuit (6-2); microprocessor CPU circuit (6-3); speech detection circuit (6-4); two audio-frequency generators (6-5); the intelligence that IC-card read write line (6-6) constitutes is selected dial-up circuit (6) automatically; the input of its speech detection circuit (6-4) is connected with the I/O b end points of speaking circuit (5); the output of two audio-frequency generators (6-5) is connected with the input a end points of the double audio amplification circuit (4) of dial-up circuit and the input C end points of speaking circuit (5) respectively, and the quiet control end in pass of CPU (6-3) is connected with the input C end points of speaking circuit (5).

2. select dial telephone set automatically by the described intelligence of claim 1, it is characterized in that said keyboard circuit is made up of keyboard Acquisition Circuit that is provided with ten key, #, ※ keyboard and other function A, B, C, D key and 16 lines-4 line encoder IC1 keyboard coding circuit, output Q0-Q3 is connected with the P0.0-P0.3 pin of the data input/output port of microprocessor CPU circuit respectively, enables input CS and is connected with the P2.6 pin of the address input/output port of CPU.

3. select dial telephone set automatically by the described intelligence of claim 1, it is characterized in that said state selection is provided with circuit and is made up of 4 lines-2 line encoder IC2, IC3, triode Q1, K switch 1, K2, input Q0, the Q1 of IC2 is connected with P0.0, the P0.1 pin of the data input/output port of microprocessor CPU circuit respectively, input Q0, the Q1 of IC3 is connected with P0.2, the P0.3 pin of the data input/output port of microprocessor CPU circuit respectively, and the base stage of triode Q1 is connected with the P2.7 pin of the address input/output port of microprocessor CPU circuit.

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