CN2713742Y - Wired telephone with appended built-in microphone and receiver interface - Google Patents

Abstract

The utility model discloses a wired telephone that a microphone and receiver interface is added on the common telephone. The connecting wire of the interface is connected with the connecting wire of the handle type microphone and receiver on the common telephone in parallel. After the person who wants to make a phone call inserts the self-prepared microphone and receiver plug into the interface, the person can makes a phone call for the coversation or dial the number. The utility model is characterized in that the wired telephone can be used to avoid the infected hidden danger of the insalubrity and the disease such as the influenza, 'SARS', etc. ) which are caused by the fact that many people share with one talking handle for the conversation.

Description

Set up the wire telephone of providing the electrophone interface for oneself

Technical field

The utility model relates to communication equipment, more particularly, relates to a kind of wire telephone.

Background technology

Wire telephone is as a kind of conversation instrument, because its speech quality is reliable and stable, investment and operating cost economic dispatch characteristics, by the extensive use of social institute.

When using common wire telephone, user's hand, ear, three positions of mouth must be close to respectively or near the handle, receiver and the transmitter that are connected to the handle type transmitter-receiver on the support by connecting wire.Like this, between the user, be easy to communicate illness, unhygienic.Although the conventional telephone set with hand-free function can be exempted user's hand, ear contacts with telephone set, user's mouth still must be near telephone set; Moreover conversation sound had both influenced surrounding environment, was subjected to the interference of ambient sound again; In addition, the drawback of divulging a secret or disclosing privacy is still arranged.

Summary of the invention

The utility model is a kind of wire telephone with two electrophone interfaces.It is set up one and can be used to conversation interface and a linked switch of connecting with electrophone that the user provides for oneself on ordinary telephone set.The line of the line of this interface and the handle type electrophone on the ordinary telephone set is for being connected in parallel, and linked switch is made up of break contact of a make contact of control system circuit and ringing circuit and two break contacts of control talking handle.When electrophone connected with telephone set by this interface, the linked switch action: the make contact closure of control system circuit, the break contact of control ringing circuit disconnected.Circuit system is connected, and ringing circuit disconnects; Two break contacts of control speaking circuit disconnect, and promptly availablely provide the electrophone conversation for oneself or dial with this sets up that interface is connected.

Can between the phone user, keep off infection the effectively propagation of disease (as influenza and SARS) of extensive use of the present utility model.

Description of drawings

Fig. 1 is an operation principle block diagram of the present utility model.

Shown in Figure 1, the utility model is set up one and be can be used to the interface 5 that connects with another electrophone, and the line of the handle type electrophone on its four lines and the ordinary telephone set is for being connected in parallel.Break contact 1 and make contact 3 control ringing circuit 4 and circuit systems 2, break contact 6,7 control talking handles 8.

Embodiment

Embodiment: the wire telephone of the electrophone that a kind of user of connection provides for oneself, as shown in Figure 1.It is set up one and can be used to interface 5 and a linked switch of connecting with another electrophone on ordinary telephone set.The line of the line of interface 5 and the handle type electrophone on the ordinary telephone set is for being connected in parallel, and linked switch is made up of the break contact 6,7 of break contact 1, make contact 3 and the control speaking circuit of control ring and circuit system.When described another electrophone passes through interface 5 connections of the utility model wire telephone, linked switch action: make contact 3 closures of control system circuit 4, the disconnection of the break contact 1 of control ringing circuit 2 is connected circuit system 4, and ringing circuit 2 disconnects; The break contact 6,7 of controlling talking handle simultaneously disconnects, and the user availablely sets up the electrophone conversation that interface 5 is connected with this or dials.

Claims (4)

1, a kind of telephone set of setting up the electrophone interface is characterized in that on common wire telephone, sets up one and can be used to the interface that connects with another electrophone, is used for the telephone user and provides the electrophone special use for oneself.

2, according to the described telephone set of claim 1, the line that it is characterized in that described line that can be used to the interface that connects with another electrophone and the handle type electrophone on the original call machine is for being connected in parallel.

3, according to the described telephone set of claim 2, it is characterized in that also setting up one with the described linked switch that can be used to the operating state teamwork of the interface that connects with another electrophone.

4,, it is characterized in that described linked switch is made up of a make contact and three break contacts according to the described telephone set of claim 3.