KR890003174A - Electronic hook switch circuit - Google Patents

Electronic hook switch circuit Download PDF

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Publication number
KR890003174A
KR890003174A KR1019870007972A KR870007972A KR890003174A KR 890003174 A KR890003174 A KR 890003174A KR 1019870007972 A KR1019870007972 A KR 1019870007972A KR 870007972 A KR870007972 A KR 870007972A KR 890003174 A KR890003174 A KR 890003174A
Authority
KR
South Korea
Prior art keywords
hook
state
outputting
processing unit
central processing
Prior art date
Application number
KR1019870007972A
Other languages
Korean (ko)
Other versions
KR900002638B1 (en
Inventor
조무희
Original Assignee
강진구
삼성반도체통신 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 강진구, 삼성반도체통신 주식회사 filed Critical 강진구
Priority to KR1019870007972A priority Critical patent/KR900002638B1/en
Publication of KR890003174A publication Critical patent/KR890003174A/en
Application granted granted Critical
Publication of KR900002638B1 publication Critical patent/KR900002638B1/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
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/06—Hooks; Cradles

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
  • Devices For Supply Of Signal Current (AREA)

Abstract

내용 없음No content

Description

전자식 후크스위치회로Electronic hook switch circuit

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

제 2 도는 본 발명에 따른 제 1 도의 구체회로도, 제 3 도는 본 발명에 따른 핸드세트와 포트카풀러의 기구적 배치도.2 is a detailed circuit diagram of FIG. 1 in accordance with the present invention, and FIG. 3 is a mechanical arrangement of a handset and a port coupler in accordance with the present invention.

Claims (1)

전화기의 후크스위치 회로에 있어서, 소정 세팅 프로그램에 따라 핸드세트 상태를 인식하기 위해 제어 신호를 출력하며 후크온/오프 상태를 감지하는 중앙처리장치(10)와, 상기 중앙처리장치(10)의 출력제어신호를 클럭입력단(21)의 소정 입력클럭에 따라 래치하여 출력하는 래치회로(20)와, 상기 래치회로(20)의 출력신호를 전류 증폭하는 포토카풀러 구동회로(30)와, 상기 포토카풀러 구동회로(30)의 출력신호에 의해 핸드세트 온/오프 상태를 광센서에 의해 감지하는 포토카풀러(40)와, 상기 포토카풀러(40)의 출력신호의 기준전압과를 비교하여 후 후크온/오프를 발생하며 상기 중앙처리장치(10)로 상기 온/오프상태 신호를 출력하는 후크 온/오프신호 발생부(50)로 구성함을 특징으로 하는 회로.In the hook switch circuit of a telephone, a central processing unit (10) for outputting a control signal for detecting a handset state and detecting a hook on / off state according to a predetermined setting program, and an output of the central processing unit (10) A latch circuit 20 for latching and outputting a control signal according to a predetermined input clock of the clock input terminal 21, a photocoupler driving circuit 30 for current amplifying the output signal of the latch circuit 20, and the photo; By comparing the photocoupler 40 which detects the handset on / off state by the optical sensor with the output signal of the coupler driving circuit 30, and the reference voltage of the output signal of the photo coupler 40 And a hook on / off signal generator (50) for generating hook on / off and outputting the on / off state signal to the central processing unit (10). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870007972A 1987-07-22 1987-07-22 Electronic hook switch KR900002638B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870007972A KR900002638B1 (en) 1987-07-22 1987-07-22 Electronic hook switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870007972A KR900002638B1 (en) 1987-07-22 1987-07-22 Electronic hook switch

Publications (2)

Publication Number Publication Date
KR890003174A true KR890003174A (en) 1989-04-13
KR900002638B1 KR900002638B1 (en) 1990-04-21

Family

ID=19263196

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870007972A KR900002638B1 (en) 1987-07-22 1987-07-22 Electronic hook switch

Country Status (1)

Country Link
KR (1) KR900002638B1 (en)

Also Published As

Publication number Publication date
KR900002638B1 (en) 1990-04-21

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