KR930011545A - Telephone interlocking door phone circuit - Google Patents

Telephone interlocking door phone circuit Download PDF

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Publication number
KR930011545A
KR930011545A KR1019910020590A KR910020590A KR930011545A KR 930011545 A KR930011545 A KR 930011545A KR 1019910020590 A KR1019910020590 A KR 1019910020590A KR 910020590 A KR910020590 A KR 910020590A KR 930011545 A KR930011545 A KR 930011545A
Authority
KR
South Korea
Prior art keywords
call
switching
hook
driving circuit
trunk line
Prior art date
Application number
KR1019910020590A
Other languages
Korean (ko)
Inventor
신용준
Original Assignee
정용문
삼성전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019910020590A priority Critical patent/KR930011545A/en
Publication of KR930011545A publication Critical patent/KR930011545A/en

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  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Abstract

도어에 설치되는 자기(2)와, 통화를 위한 핸드 세트(11) 구동회로(12)와, 상기 자기(2)와 핸드 세트 구동회로(12)와 접속되어 통화를 위한 제1통화 스위치(13)와, 상기 자기(2) 및 핸드 세트 구동회로(12)와 접속되어 통화로와 연결되는 제2통화 스위치(37)와 국선(T, R)과 도어폰 회로에 있어서, 상기 국선(T, R)으로부터 전화기의 통화와 도오폰과의 내방자와의 통화를 스위칭 하는 외 내선 절환수단과, 상기의 내선 절환수단의 스위칭을 제어를 제어수단과, 상기 제l1수단의 스위칭에 따라 통화 및 후크 오프 신호를 전달토록 전원을 공급하는 전원공급수단과, 상기 국선과 내선의 후크 오프를 감지하는 후크 오프 수단을 구성됨을 특징으로 하는 전화기 연동 도어폰회로.The first call switch 13 for the call, which is connected to the porcelain 2 installed in the door, the hand set 11 driving circuit 12 for the call, and the porcelain 2 and the hand set driving circuit 12 for the call. ), A second call switch 37, a trunk line (T, R) and a door phone circuit connected to the magnetic field (2) and the handset driving circuit 12 and connected to a communication path, wherein the trunk line (T, R) an external extension switching means for switching a telephone call and a call with a visitor with a doophone, a control means for controlling the switching of the extension switching means, a call and a hook-off in accordance with the switching of the first means; And a hook-off means for detecting a hook-off of the trunk line and the station and supplying power to transmit a signal.

Description

전화기 연동 도어폰 회로Telephone interlocking door phone circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 블럭도.2 is a block diagram according to the present invention.

제3도는 제2도의 구체회로도.3 is a concrete circuit diagram of FIG.

Claims (1)

도어에 설치되는 자기(2)와, 통화를 위한 핸드 세트(11) 구동회로(12)와, 상기 자기(2)와 핸드 세트 구동회로(12)와 접속되어 통화를 위한 제1통화 스위치(13)와, 상기 자기(2) 및 핸드 세트 구동회로(12)와 접속되어 통화로와 연결되는 제2통화 스위치(37)와 국선(T, R)과 도어폰 회로에 있어서, 상기 국선(T, R)으로부터 전화기간의 통화와 도어폰과의 내방자와의 통화를 스위칭하는 외 내선 절환 수단과, 상기의 내선 절환 수단의 스위칭을 제어를 제어수단과, 상기 제1수단의 스위칭에 따라 통화 및 후크 오프 신호를 전달토록 전원을 공급하는 전원공급수단과, 상기 국선과 내선의 후크 오프를 감지하는 후크 오프 수단으로 구성됨을 특징으로 하는 전화기 연동 도어폰 회로.The first call switch 13 for the call, which is connected to the porcelain 2 installed in the door, the hand set 11 driving circuit 12 for the call, and the porcelain 2 and the hand set driving circuit 12 for the call. ), A second call switch 37, a trunk line (T, R) and a door phone circuit connected to the magnetic field (2) and the handset driving circuit 12 and connected to a communication path, wherein the trunk line (T, R) an external extension switching means for switching between a telephone call and a call with a door phone, a control means for controlling switching of the extension switching means, a call and a hook according to the switching of the first means; And a hook-off means for detecting a hook-off of the trunk line and the station and supplying power to transmit an off signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910020590A 1991-11-19 1991-11-19 Telephone interlocking door phone circuit KR930011545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910020590A KR930011545A (en) 1991-11-19 1991-11-19 Telephone interlocking door phone circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910020590A KR930011545A (en) 1991-11-19 1991-11-19 Telephone interlocking door phone circuit

Publications (1)

Publication Number Publication Date
KR930011545A true KR930011545A (en) 1993-06-24

Family

ID=67348747

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910020590A KR930011545A (en) 1991-11-19 1991-11-19 Telephone interlocking door phone circuit

Country Status (1)

Country Link
KR (1) KR930011545A (en)

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