CN2233646Y - Automatic dialing alarm of telephone set - Google Patents

Abstract

The utility model belongs to the accessory of a telephone, particularly to an automatic dialing alarm. Multiway control circuits are composed of a clock circuit unit, a pulse decomposition, distribution and combination circuit unit and a triggering and driving circuit unit. A switch element which is connected with each function line of a telephone by an initializing switching device of an input end and an output end can complete the automatic dialing alarming of the telephone. The utility model is mainly used for telephones with the functions, such as number storage, hand free, etc. The utility model has the characteristics of reasonable design, reliable operation, easy assembly, etc., and can expand the functions of the existing telephone.

Description

A kind of phone alarm of transfering automatically

The utility model belongs to multichannel Electronic Control accessory, is a kind of alarm of transfering automatically that is specially adapted to telephone set.

Every function of telephone set self is comparatively perfect at present, hands-free as phone, store, redial, composite aircraft etc., but lack the warning facility of transfering automatically that makes full use of these functions of phone, cause telephone set in actual applications some function can not be fully played, even by idle, though it is higher to exist the phone cost, function is more complete, and the low deficiency that waits of utilization rate.

The purpose of this utility model is to provide a kind of alarm of transfering automatically that installs in phone, this alarm is by the clock circuit unit, pulse is decomposed, is distributed, the combiner circuit unit, trigger drive circuit unit channeling control circuit, by the warning of transfering automatically that giving of input put the switch element realization phone that switching device and output be connected with each function circuit in the phone, be mainly used in have functions such as storing up number, hands-free telephone set to overcome the existing in prior technology deficiency.

Overall structure of the present utility model is:

A kind of phone transfer automatically alarm with the multichannel control circuit serve as main connect to give put the control switch element, the on-off switch element is formed, and by each switch element respectively with telephone set in hook switch, hands-free, storage number, sound circuit connect and constitute, it is characterized in that the multichannel control circuit is by clock circuit unit (1), pulse decomposition, distributor circuit unit (2), pulse combiner circuit unit (3), cycle-counter circuit unit (4), circuits for triggering unit (5) and drive circuit unit (6) are interconnected to constitute; There are at least four outputs to be connected in hook switch in the telephone set, hands-free, storage number, the sound circuit in the drive circuit unit, have at least three inputs to put control element and be connected with respectively giving in the cycle-counter circuit unit by switch element; Circuit unit wherein (1), (3) are to contain the chip IC of eight NAND gate unit ₁Be main formation, circuit unit (2) is with at least two block decoding distributor chip IC ₂, IC ₃Be main formation, circuit unit (4) is with the cycle counter chip IC ₄Be main to constitute, circuit unit (5) is to contain the chip IC of three or gate cell at least ₅Be main to constitute, circuit unit (6) is to contain at least four chip IC with gate cell ₆Be main to constitute, each circuit unit interconnects the back assembling in the circuit board, and places in the phone, gives putting control element and being assemblied on the phone housing or stretching out outside the phone box body.

The apolegamy of the middle element of each circuit unit and concrete annexation are:

IC ₁Being two-four NAND gate, serves as the main resistance R that connects with wherein two NAND gate unit ₁₅, R ₁₆, potentiometer W constitutes the clock circuit unit, serves as the main pulse combiner circuit unit that constitutes with wherein five NAND gate unit, and another one NAND gate unit is as monostable isolating device, IC ₂, IC ₃Be 4017 decoder chips, IC ₄It is infrared acquisition switching device HK or armstrong's patent formula switch that four inputs of cycle counter chip are put control element by giving of resistance connection, and its output decomposes with pulse respectively, distributes synthesis chip IC ₂, IC ₃Reset terminal and IC ₅Respective input connect, and connect push switch K, IC ₁Constitute in the chip pulse combiner circuit unit five NAND gate unit input respectively with IC ₂, IC ₃Each output of chip connects, their each output respectively with circuits for triggering unit IC ₅, IC ₆In corresponding or the door, be connected IC with the input of gate cell ₆Each pass through resistance R with the gate cell output ₁, R ₂, R ₅, R ₆, R ₈, R ₉Connect each midget relay J ₁, J ₂, J ₃, J ₄, J ₅, J ₆Winding, the contact switch of each relay be connected to phone hook switch, hands-free, storage number, in the sound circuit.

Other annexes of this alarm also have:

Also configurable by transistor BG in warning circuit ₁, resistance R ₁₀, relay J ₀, the display circuit that is connected in series mutually of light-emitting diode.

Accompanying drawing of the present utility model has: Fig. 1 is the block diagram of alarm circuit.

Fig. 2 is the principle sketch of warning circuit.

Accompanying drawing has provided embodiment of the present utility model, further specifies as follows in conjunction with the accompanying drawings:

This alarm is except that must telephone set having major function such as hands-free storage number single, double voice, the EPROM of its sound circuit or EPROM, must locate and connect at " MIC ", also must in the storage read-only memory, give and deposit specific telephone number (as relevant all kinds of warnings or one or two telephone number of each and every one using always).

The given alarm circuit of accompanying drawing mainly is suitable for the telephone set with single, double voice, single, double storage circuit, the label of output: Q in the circuit diagram ₀, J ₀, Q ₁, J ₁, Q ₂, J ₂, Q ₃, J ₃, Q ₄, J ₄, Q ₅, J ₅, Q ₆, J ₆, the expression and the demonstration of telephone set respectively successively, hook switch, hands-free, first group of storage device, first group of sound circuit, second group of storage device, the corresponding relation of second group of each terminals of sound circuit, the model of each IC chip is as suggested among the figure.

The operation principle of this warning circuit is:

The clock circuit unit is conventional oscillation circuit unit, and the square-wave pulse cycle is 3 seconds, chip IC ₃It can be decomposed into 24 parts, the 24th pulse during the 23rd end-of-pulsing (10MS-100MS) as reset pulse to guarantee that pulse does not change IC in each adjacent twice circulation of counter keeps away ₂Cooperate IC ₁In several group pulses that will distribute of four NAND gate unit synthesize the different pulse of several width, to satisfy the requirement of control.The cycle counter IC of this circuit ₄Can lean on HK to set cycle-index as required, be generally 10-16 times.Whenever finish once circulation, IC ₄Promptly export a carry pulse, transport to IC ₂, IC ₃Reset terminal, it is quit work, and is maintained to the someone and passes through IC ₄The given enabling signal of infrared acquisition switching device of input just can be restarted work, each pulse signal through trigger, drive circuit unit (drive current can reach 50mA) is so that each relay switch is closed and access corresponding number finish to transfer automatically and report to the police or conversation IC from memory ₆Input conducting IC when being low level ₆Work ends IC during high level ₆Do not drive.More than just with Q ₁-Q ₃One group of storage, one group of sound circuit is its principle of transfering automatically of example brief description.It is to be noted IC at last ₄Cycle-index can give at it and put end (input) to set cycle-index minimum according to people's needs be 10 times, mostly be most 16 times (this is the theoretical circulation number of times).

The obtained technological progress of the utility model is:

This alarm of transfering is suitable for and has single, double storage number, single, double language and hand-free function Telephone set connect, electricity in integrated degree is high so machine volume is littler is easy in phone Assembling, the digit counter that adopts can circulate inferior by Set arbitrarily between 10-16 Number is realized repeating to transfer, and both has been applicable to the hands-free phone of electronics, is applicable to that also machinery is hands-free Phone, therefore it is reasonable to the utlity model has circuit design, and reliable operation and applicable surface are wider, Can expansion have the characteristics such as telephone functionality.

Claims (3)

1, a kind of phone transfer automatically alarm with the multichannel control circuit serve as main connect to give put the control switch element, the on-off switch element is formed, and by each switch element respectively with telephone set in hook switch, hands-free, storage number, sound circuit connect and constitute, it is characterized in that the multichannel control circuit is by clock circuit unit (1), pulse decomposition, distributor circuit unit (2), pulse combiner circuit unit (3), cycle-counter circuit unit (4), circuits for triggering unit (5) and drive circuit unit (6) are interconnected to constitute; There are at least four outputs to be connected in hook switch in the telephone set, hands-free, storage number, the sound circuit in the drive circuit unit, have at least three inputs to put control element and be connected with respectively giving in the cycle-counter circuit unit by switch element; Circuit unit wherein (1), (3) are to contain the chip IC of eight NAND gate unit ₁Be main formation, circuit unit (2) is with at least two block decoding distributor chip IC ₂, IC ₃Be main formation, circuit unit (4) is with the cycle counter chip IC ₄Be main to constitute, circuit unit (5) is to contain the chip IC of three or gate cell at least ₅Be main to constitute, circuit unit (6) is to contain at least four chip IC with gate cell ₆Be main to constitute, each circuit unit interconnects the back assembling in the circuit board, and places in the phone, gives putting control element and being assemblied on the phone housing or stretching out outside the phone box body.

2, the alarm of transfering according to claim 1 is characterized in that IC ₁Being two-four NAND gate, serves as the main resistance R that connects with wherein two NAND gate unit ₁₅, R ₁₆, potentiometer W constitutes the clock circuit unit, serves as the main pulse combiner circuit unit that constitutes with wherein five NAND gate unit, and another one NAND gate unit is as monostable isolating device, IC ₂, IC ₃Be 4017 decoder chips, IC ₄It is infrared acquisition switching device HK or armstrong's patent formula switch that four inputs of cycle counter chip are put control element by giving of resistance connection, and its output powder is not and pulse is decomposed, distribution, synthesis chip IC ₂, IC ₃Reset terminal and IC ₅Respective input connect, and connect push switch K, IC ₁Constitute in the chip pulse combiner circuit unit five NAND gate unit input respectively with IC ₂, IC ₃Each output of chip connects, their each output respectively with circuits for triggering unit IC ₅, IC ₆Corresponding or door, be connected IC with the input of gate cell ₆Each pass through resistance R with the gate cell output ₁, R ₂, R ₅, R ₆, R ₈, R ₉Connect each midget relay J ₁, J ₂, J ₃, J ₄, J ₅, J ₆Winding, the contact switch of each relay be connected to phone hook switch, hands-free, storage number, in the sound circuit.

3, the alarm of transfering according to claim 1 and 2 is characterized in that in the warning circuit also configurable by transistor BG ₁, resistance R ₁₀, relay J ₀, the display circuit that is connected in series mutually of light-emitting diode.

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