JPS6385939U

JPS6385939U -

Info

Publication number: JPS6385939U
Application number: JP18072886U
Authority: JP
Priority date: 1986-11-25
Filing date: 1986-11-25
Publication date: 1988-06-04

Description

[Brief explanation of the drawing]

第１図乃至第３図はこの考案の電話装置の実施
例を示すもので、第１図はこの電話装置の構成部
材の一つであるテンキーの斜視図、第２図はこの
電話装置の電気回路のブロツク系統図、第３図は
この電話装置の動作説明のフローチヤートである
。１……テンキー、１ａ……透孔、２……発光表
示素子、３……ブリツジ回路、３ａ，３ａ′……
入力端子、３ｂ，３ｂ′……出力端子、４，４′
……電話装置のライン端子、５……リンガー回路
、６……送受話器、６ａ……送話器、６ｂ……受
話器、７，７′……フツクスイツチ、８……スピ
ーカネツトワーク回路、９……ブザやベル、１０
……発光表示素子の点灯の切換回路、１１……発
光表示素子の電源、１２……制御回路、１３……
消灯キー、Ｌ，Ｌ′……電話線の端子。 1 to 3 show an embodiment of the telephone device of this invention. FIG. 1 is a perspective view of a numeric keypad, which is one of the components of this telephone device, and FIG. The block diagram of the circuit, FIG. 3, is a flowchart illustrating the operation of this telephone device. 1...Numeric keypad, 1a...Through hole, 2...Light emitting display element, 3...Bridge circuit, 3a, 3a'...
Input terminal, 3b, 3b'... Output terminal, 4, 4'
. . . Line terminal of telephone device, 5 . . . Ringer circuit, 6 . . . Handset, 6a . ...Buzzer or bell, 10
... Lighting switching circuit for the light emitting display element, 11... Power supply for the light emitting display element, 12... Control circuit, 13...
Light off key, L, L'...Telephone line terminal.

Claims

[Scope of utility model registration request]

In telephone devices that make calls between telephone devices equipped with numeric keys, a light-emitting display element is disposed inside each numeric keypad, and when the numeric keypad of the own telephone device is pressed during a call, the light-emitting display element of that numeric keypad and the like The light-emitting display element of the numeric keypad of the other party's telephone device configured in this way lights up and continues to light up until another numeric keypad is pressed, and when the next numeric keypad is pressed, the previous one is replaced. The light-emitting display element on the numeric keypad that was previously lit will also turn off when you press the OFF key or when you place the handset on the handset cradle. 1. A telephone device, characterized in that a control circuit for controlling the lighting of the telephone device to be turned off is connected to a light-emitting display element of each numeric keypad of the telephone device and to a line terminal side of the telephone device.