JPS635748U

JPS635748U -

Info

Publication number: JPS635748U
Application number: JP9795586U
Authority: JP
Priority date: 1986-06-26
Filing date: 1986-06-26
Publication date: 1988-01-14

Description

[Brief explanation of the drawing]

図面はこの考案の一実施例を示すもので、第１
図は全体の回路構成を示すブロツク図、第２図は
インタホン回路の詳細な回路構成を示す図、第３
図はメツセージの表示状態を示す図である。１０……子機、１１……表示部、１２……ドラ
イバ、１３，３９……ハイブリツド回路、１４，
２３……スピーカ、１５，２２……マイクロフオ
ン、１６……呼出しスイツチ、２０……親機、２
１……インタホン回路、２４……タイマー、２５
……ＣＰＵ、２６……キー、２７……メツセージ
メモリ、３１……待受けスイツチ、３６……ブザ
ー回路、３８……通話切換スイツチ。 The drawing shows one embodiment of this invention.
The figure is a block diagram showing the overall circuit configuration, Figure 2 is a diagram showing the detailed circuit configuration of the intercom circuit, and Figure 3 is a diagram showing the detailed circuit configuration of the intercom circuit.
The figure shows the display state of messages. 10...Slave unit, 11...Display unit, 12...Driver, 13, 39...Hybrid circuit, 14,
23...Speaker, 15, 22...Microphone, 16...Call switch, 20...Base unit, 2
1... Intercom circuit, 24... Timer, 25
... CPU, 26 ... key, 27 ... message memory, 31 ... standby switch, 36 ... buzzer circuit, 38 ... call changeover switch.

Claims

[Scope of Claim for Utility Model Registration] In an intercom for making alternating calls between a handset equipped with a call switch installed outside a house and a base unit installed inside the house, a display section provided on the handset and , a message storage means for storing message data; a message reading means for reading out the message data stored in the message storage means from the handset in response to operation of a call switch of the handset; An interphone comprising: display control means for displaying information on a display section;