JPS6455758U

JPS6455758U -

Info

Publication number: JPS6455758U
Application number: JP15132287U
Authority: JP
Priority date: 1987-10-01
Filing date: 1987-10-01
Publication date: 1989-04-06

Description

[Brief explanation of the drawing]

第１図は本考案の実施例１のブロツク図、第２
図は本考案の実施例２のブロツク図を示す。１，７……受話器に付加されたスイツチ、２，
８……受話器のスイツチからの信号を受ける回路
、３，９……電話機本体のフツク、４，１０……
電話機本体のフツクからの信号を受ける回路、５
，１１……通話回線制御回路、６，１２……通話
回線、１３……タイマを各々表す。 Figure 1 is a block diagram of the first embodiment of the present invention, and Figure 2 is a block diagram of the first embodiment of the present invention.
The figure shows a block diagram of Embodiment 2 of the present invention. 1, 7...Switch attached to the receiver, 2,
8...Circuit for receiving signals from the switch on the handset, 3, 9...Hook on the telephone body, 4, 10...
Circuit for receiving signals from the hook of the telephone body, 5
, 11 represents a speech line control circuit, 6, 12 represents a speech line, and 13 represents a timer.

Claims

[Scope of utility model registration request]

In a telephone, there is a switch in the handset that notifies the telephone body that the call has ended, a circuit in the telephone body that receives the signal from the switch (hereinafter referred to as the switch circuit), and a circuit that receives the signal from the hook (hereinafter referred to as the hook circuit). It has a communication line control circuit that receives signals from the switch circuit and the hook circuit to control the telephone line, and controls the connection and disconnection of the telephone line by signals from the switch and hook attached to the handset. The telephone with a disconnection prevention mechanism.