KR920011142A - Dual subscriber circuit of key phone system - Google Patents

Dual subscriber circuit of key phone system Download PDF

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Publication number
KR920011142A
KR920011142A KR1019900017751A KR900017751A KR920011142A KR 920011142 A KR920011142 A KR 920011142A KR 1019900017751 A KR1019900017751 A KR 1019900017751A KR 900017751 A KR900017751 A KR 900017751A KR 920011142 A KR920011142 A KR 920011142A
Authority
KR
South Korea
Prior art keywords
transformer
telephone
key phone
subscriber circuit
phone system
Prior art date
Application number
KR1019900017751A
Other languages
Korean (ko)
Other versions
KR930010276B1 (en
Inventor
윤장호
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 KR1019900017751A priority Critical patent/KR930010276B1/en
Publication of KR920011142A publication Critical patent/KR920011142A/en
Application granted granted Critical
Publication of KR930010276B1 publication Critical patent/KR930010276B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers

Abstract

내용 없음No content

Description

키폰시스템의 겸용 가입자회로Dual subscriber circuit of key phone system

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

제2도는 본 발명의 회로도, 제3도는 본 발명의 일실시예의 회로도.2 is a circuit diagram of the present invention, Figure 3 is a circuit diagram of an embodiment of the present invention.

Claims (2)

키폰시스템의 가입자 회로에 있어서, 키폰전화기와 데이타를 송수신하기 위한 데이타 송수신부(10)와, 상기 데이타 송수신부(10)에 연결되어 데이타 접속단(P1,P2)을 통해 데이타를 매칭시키기 위한 제1트랜스포머(T2)와, 키폰주장치와 네트워크에 연결되어 음성 접속단(L1,L2)을 통해 가입자의 음성통화를 매칭시키기 위한 제2트랜스포머(T1)와, 상기 제2트랜스포머(T1)의 2차 권선(m2)에 연결되어 키폰전화기 및 일반전화기의 접속상태에 따라 선택되어지는 제1스위칭수단과, 상기 제2트랜스포머(T1)와 2차 권선(m3)에 연결되어 키폰전화기 및 일반 전화기의 접속상태에 따라 선택되어지는 제2스위칭 수단과, 상기 제2트랜스포머(T1)에 연결되어 링공급 및 혹크온/오프를 감지하기 위한 링 공급 및 훅크 온/오프 감지부(50)로 구성됨을 특징으로 하는 키폰시스템의 겸용 가입자 회로.A subscriber circuit of a key phone system, comprising: a data transceiver 10 for transmitting and receiving data to and from a key phone telephone, and connected to the data transceiver 10 for matching data through data connection terminals P1 and P2. A second transformer T1 connected to the network of the first transformer T2, the main phone apparatus, and the second transformer T1 for matching the subscriber's voice call through the voice connection terminals L1 and L2, and the second transformer T1; A first switching means connected to a winding m2 and selected according to a connection state of a key phone telephone and a general telephone, and connected to the second transformer T1 and a secondary winding m3 to connect a key telephone telephone and a general telephone. And a second switching means selected according to a state, and a ring supply and hook on / off detection unit 50 connected to the second transformer T1 to detect ring supply and hook on / off. Key Phone System The subscriber circuit. 제1항에 있어서, 상기 제1-2스위칭 수단이 무접점 스위치로 구성됨을 특징으로 하는 키폰시스템의 겸용 가입자 회로.2. The subscriber circuit as claimed in claim 1, wherein said 1-2 switching means comprises a contactless switch. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900017751A 1990-11-02 1990-11-02 Subscribers circuit KR930010276B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900017751A KR930010276B1 (en) 1990-11-02 1990-11-02 Subscribers circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900017751A KR930010276B1 (en) 1990-11-02 1990-11-02 Subscribers circuit

Publications (2)

Publication Number Publication Date
KR920011142A true KR920011142A (en) 1992-06-27
KR930010276B1 KR930010276B1 (en) 1993-10-16

Family

ID=19305595

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900017751A KR930010276B1 (en) 1990-11-02 1990-11-02 Subscribers circuit

Country Status (1)

Country Link
KR (1) KR930010276B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100212738B1 (en) * 1996-09-02 1999-08-02 윤종용 Switching circuit for setting extension subscriber in keyphone system
KR100469403B1 (en) * 1997-03-17 2005-05-19 엘지전자 주식회사 Extension connection device for optional connection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100212738B1 (en) * 1996-09-02 1999-08-02 윤종용 Switching circuit for setting extension subscriber in keyphone system
KR100469403B1 (en) * 1997-03-17 2005-05-19 엘지전자 주식회사 Extension connection device for optional connection

Also Published As

Publication number Publication date
KR930010276B1 (en) 1993-10-16

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