CN2485889Y

CN2485889Y - Telephone with sound volume controllable

Info

Publication number: CN2485889Y
Application number: CN 01236916
Authority: CN
Inventors: 冷长军
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-05-10
Filing date: 2001-05-10
Publication date: 2002-04-10
Anticipated expiration: 2011-05-10

Abstract

The utility model relates to a communication device, in particular to a telephone which can control the handle sound volume. A handle or a frame of an ordinary telephone is provided with a potentiometer which can control the handle receiver sound volume, and then the volume of a handle receiver can be adjusted according to requirements at the same time of call, thereby realizing that the same telephone can be used by different people in multi-occasions. The utility model has the advantages of low cost, good effect and convenient utilization.

Description

The telephone set that can joystick be subjected to the speech amount

The utility model relates to a kind of communication apparatus, especially can joystick be subjected to the telephone set of speech amount.

All telephone sets all have the function of handle conversation, and most telephone set also has the hand-free call function, no matter any telephone set all can only be controlled the volume of hand-free call and size that can not the joystick In Call.Because there is difference in the electrical quantity of telecommunication line and telephone set, also there is difference in phone user's hearing, have the demand of regulating handle In Call size inevitably, and existing telephone set all can not satisfy this demand.

The purpose of this utility model provides a kind of telephone set that can joystick be subjected to the speech amount.

For achieving the above object, the utility model adopts following technical scheme:

The telephone set that can joystick be subjected to the speech amount described in the utility model comprises ringing circuit, dial-up circuit, handle speaking circuit, it is characterized in that: in the handle speaking circuit, comprise one can joystick receiver volume potentiometer.

Described potentiometer that can joystick receiver volume is directly connected with the handle receiver, and it is installed on the handle or support of telephone set.

The handle speaking circuit that also can be mounted on the Telephone handset is talked about Amplifier Gain resistance.

After adopting technique scheme, the user can be according to circumstances when conversing with Telephone handset regulating handle receiver volume at any time, satisfied most of human needs.In addition, the utility model increases a spot of element on ordinary telephone set can realize that cost is low, effective.

Further specify the utility model below in conjunction with drawings and Examples:

Fig. 1 is the circuit diagram of an embodiment of the present utility model.

Fig. 2 is the structural representation of the Telephone handset of an embodiment of the present utility model.

As shown in Figure 1, the telephone set of present embodiment comprises dial-up circuit, handle speaking circuit 1 and hand-free circuit, wherein hand-free circuit is made up of integrated circuit MC34118, TBA820M and peripheral cell, and the handle speaking circuit mainly is made up of integrated circuit TEA1062 and peripheral cell.When handle was talked about, the voice signal that outside line is sent here was delivered to 10 pin of TEA1062, was talked about amplifier through inside and amplified the back from the 4th pin output driving handle receiver B sounding.Potentiometer R13 is a gain-adjusted resistance, and the resistance of regulating R13 can change the volume of handle receiver, and a potentiometer R13 perhaps also can be directly connects between the 4th pin of TEA1062 and handle receiver B.

As shown in Figure 2, potentiometer R13 is installed on the handle 2 of telephone set or the support and promptly can satisfies the needs of different crowd at any time by the volume of user's regulating handle receiver B.

Certainly, according to different telephone set networks, facsimile machine, cordless telephone that the utility model can be used for various telephone sets and have telephone functionality.

Claims

1, can joystick be subjected to the telephone set of speech amount, comprise ringing circuit, dial-up circuit, handle speaking circuit (1), it is characterized in that: in handle speaking circuit (1), comprise one can joystick receiver (B) volume potentiometer (R13).

2, the telephone set that can joystick be subjected to the speech amount according to claim 1 is characterized in that: described potentiometer (R13) that can joystick receiver (B) volume is directly connected with handle receiver (B).

3, the telephone set that can joystick be subjected to the speech amount according to claim 1 is characterized in that: described can joystick receiver (B) volume potentiometer (R13) be mounted in handle speaking circuit (1) on the Telephone handset (2) talked about Amplifier Gain resistance.

4, the telephone set that can joystick be subjected to the speech amount according to claim 1 is characterized in that: described can joystick receiver (B) volume potentiometer (R13) be mounted in handle speaking circuit (1) on the telephone base talked about Amplifier Gain resistance.

5, the telephone set that can joystick be subjected to the speech amount according to claim 1 is characterized in that: described potentiometer (R13) that can joystick receiver (B) volume is installed on the Telephone handset (2).