KR900002603A - Malfunction prevention circuit of on hook dial device - Google Patents

Malfunction prevention circuit of on hook dial device Download PDF

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Publication number
KR900002603A
KR900002603A KR1019880008443A KR880008443A KR900002603A KR 900002603 A KR900002603 A KR 900002603A KR 1019880008443 A KR1019880008443 A KR 1019880008443A KR 880008443 A KR880008443 A KR 880008443A KR 900002603 A KR900002603 A KR 900002603A
Authority
KR
South Korea
Prior art keywords
prevention circuit
malfunction prevention
dial device
hook dial
telephone line
Prior art date
Application number
KR1019880008443A
Other languages
Korean (ko)
Other versions
KR910003919B1 (en
Inventor
신해용
한현희
Original Assignee
박성규
대우통신 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 박성규, 대우통신 주식회사 filed Critical 박성규
Priority to KR1019880008443A priority Critical patent/KR910003919B1/en
Publication of KR900002603A publication Critical patent/KR900002603A/en
Application granted granted Critical
Publication of KR910003919B1 publication Critical patent/KR910003919B1/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
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Facsimile Transmission Control (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Devices For Supply Of Signal Current (AREA)

Abstract

내용 없음No content

Description

온 후크 다이얼장치의 오동작 방지회로Malfunction prevention circuit of on hook dial device

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

제1도는 본 발명에 따른 회로도,1 is a circuit diagram according to the present invention,

제2도는 본 발명 회로도에서, A,B,Q의 검출파형도.2 is a detection waveform diagram of A, B, and Q in the circuit diagram of the present invention.

Claims (1)

온 후크 다이얼 장치를 부착하여 수화기를 들지않고서도 다이얼링이 가능한 전화기 및 전화 선로를 이용하여 음성신호 또는 데이타 신호를 주고받는 기기에 있어서, 온 후크 스위치와 온 후크 스위치동작 감지회로 사이에 교환기 선로 링크시에 발생하는 2차신호를 흡수하여 전화기 및 전화 선로를 이용하여 음성신호 또는 데이타 신호를 주고받는 기기 온 후크 다이얼 동작시 온 후크 스위치 누름시간을 제한하지 않는 오동작 방지회로를 연결구성한 것을 특징으로하는 온 후크 다이얼 장치의 오동작 방지회로.A device that sends and receives a voice signal or data signal using a telephone line and a telephone line capable of dialing without picking up a handset by attaching an on-hook dial device. On-hook device which absorbs the secondary signal generated in the device and sends and receives voice signal or data signal by using telephone line and telephone line. Malfunction prevention circuit of hook dial device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임※ Note: The disclosure is based on the initial application.
KR1019880008443A 1988-07-07 1988-07-07 Circuit for preventing errose of on-hook dialing system KR910003919B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880008443A KR910003919B1 (en) 1988-07-07 1988-07-07 Circuit for preventing errose of on-hook dialing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880008443A KR910003919B1 (en) 1988-07-07 1988-07-07 Circuit for preventing errose of on-hook dialing system

Publications (2)

Publication Number Publication Date
KR900002603A true KR900002603A (en) 1990-02-28
KR910003919B1 KR910003919B1 (en) 1991-06-15

Family

ID=19275914

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880008443A KR910003919B1 (en) 1988-07-07 1988-07-07 Circuit for preventing errose of on-hook dialing system

Country Status (1)

Country Link
KR (1) KR910003919B1 (en)

Also Published As

Publication number Publication date
KR910003919B1 (en) 1991-06-15

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