JPS62133463U

JPS62133463U -

Info

Publication number: JPS62133463U
Application number: JP1987286U
Authority: JP
Priority date: 1986-02-14
Filing date: 1986-02-14
Publication date: 1987-08-22

Description

[Brief explanation of the drawing]

第１図は一実施例のブロツク図、第２図は一実
施例のハンズフリー回路のブロツク図、第３図は
、従来例のブロツク図である。１……電話通信回線、５……送受話器用回路、
６……送受話器、７……ハンズフリー回路、８…
…第１のトランス、９……第２のトランス、１０
……マイクロフオン、１１……スピーカ。 FIG. 1 is a block diagram of one embodiment, FIG. 2 is a block diagram of a hands-free circuit of one embodiment, and FIG. 3 is a block diagram of a conventional example. 1...Telephone communication line, 5...Handset circuit,
6...Handset, 7...Hands-free circuit, 8...
...First transformer, 9...Second transformer, 10
...Microphone, 11...Speaker.

Claims

[Claims for Utility Model Registration] A handset circuit connected to a telephone communication line; a handset connected to the handset circuit; a first transformer connected to the handset circuit; a second transformer connected to a line; a hands-free circuit connected to the first transformer and the second transformer; a microphone connected to the hands-free circuit; and a microphone connected to the hands-free circuit. 1. A telephone set, comprising: a speaker, wherein the hands-free circuit and the handset circuit are separated by the first and second transformers.