KR910017734A - 전자기기장치 - Google Patents

전자기기장치 Download PDF

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Publication number
KR910017734A
KR910017734A KR1019910004194A KR910004194A KR910017734A KR 910017734 A KR910017734 A KR 910017734A KR 1019910004194 A KR1019910004194 A KR 1019910004194A KR 910004194 A KR910004194 A KR 910004194A KR 910017734 A KR910017734 A KR 910017734A
Authority
KR
South Korea
Prior art keywords
load
electronic device
circuit
open detection
output circuit
Prior art date
Application number
KR1019910004194A
Other languages
English (en)
Other versions
KR960004456B1 (ko
Inventor
도시유키 모리시게
Original Assignee
아오이 죠이치
가부시키가이샤 도시바
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 아오이 죠이치, 가부시키가이샤 도시바 filed Critical 아오이 죠이치
Publication of KR910017734A publication Critical patent/KR910017734A/ko
Application granted granted Critical
Publication of KR960004456B1 publication Critical patent/KR960004456B1/ko

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3081—Duplicated single-ended push-pull arrangements, i.e. bridge circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Electronic Switches (AREA)

Abstract

내용 없음

Description

전자기기장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1도는 본 발명에 따른 전자기기장치의 1실시예를 나타낸 구성설명도, 제 2도 ⒜ 및 ⒝는 제 1도에 도시된 장치에서의 부하오픈검출동작의 원리를 설명하기 위해 타나낸 등가회로도.

Claims (1)

  1. 집적회로화된 BTL출력회로가 내장되어 전자기기장치에 있어서, 상기 BTL출력회로의 한쌍의 출력단자(A, B)사이로 흐르는 전류의 크비를 근거로 하여 부하오픈모드를 검출하는 부하오픈검출회로⒀와, 제어신호입력에 따라서 상기 BTL출력회로의 동작을 오프/온상태로 제어하고 상기 부하오픈검출회로의 동작을 온/오프상태로 제어하는 부하오픈검출제어회로⑿로 구비하여 구성된 것을 특징으로 하는 전자기기장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910004194A 1990-03-16 1991-03-16 전자기기장치 KR960004456B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP02-066693 1990-03-16
JP90-066693 1990-03-16
JP2066693A JPH0748620B2 (ja) 1990-03-16 1990-03-16 電子機器装置

Publications (2)

Publication Number Publication Date
KR910017734A true KR910017734A (ko) 1991-11-05
KR960004456B1 KR960004456B1 (ko) 1996-04-06

Family

ID=13323275

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910004194A KR960004456B1 (ko) 1990-03-16 1991-03-16 전자기기장치

Country Status (5)

Country Link
US (1) US5233496A (ko)
EP (1) EP0446945B1 (ko)
JP (1) JPH0748620B2 (ko)
KR (1) KR960004456B1 (ko)
DE (1) DE69114156T2 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5719526A (en) * 1994-11-09 1998-02-17 Crest Audio, Inc. Internal load monitor for amplifier
WO1998007232A1 (en) * 1996-08-09 1998-02-19 Philips Electronics N.V. An amplifier and a method for detecting the presence of a load
US5835322A (en) * 1997-07-07 1998-11-10 Donald E. Smith Ground fault interrupt circuit apparatus for 400-Hz aircraft electrical systems
US7034960B2 (en) * 2001-08-16 2006-04-25 Sun Chemical Corporation System and method for managing electronic transmission of color data
EP1995872A1 (en) * 2007-05-23 2008-11-26 Harman Becker Automotive Systems GmbH Load impedance testing circuit
JP2010190604A (ja) * 2009-02-16 2010-09-02 Toyota Motor Corp 端子開放検出装置及び半導体装置
US8023236B2 (en) * 2009-03-18 2011-09-20 Hamilton Sundstrand Corporation Precision ground fault detection for aircraft human body protection
USD826028S1 (en) * 2017-05-30 2018-08-21 Horizon Global Americas Inc. Coupler lock
JP6603695B2 (ja) * 2017-09-15 2019-11-06 矢崎総業株式会社 異常検出装置
CN109406989B (zh) * 2018-11-12 2024-04-16 深圳和而泰小家电智能科技有限公司 一种负载回路检测方法、负载检测电路及电子设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA956576A (en) * 1972-09-06 1974-10-22 General Signal Corporation Circuit integrity checking means for audio signal circuit
US3989908A (en) * 1975-06-26 1976-11-02 General Signal Corporation Speaker supervision in a public address system
US3990020A (en) * 1975-06-26 1976-11-02 Hughes Aircraft Company DC linear power amplifier
JPS5952844B2 (ja) * 1978-08-28 1984-12-21 株式会社東芝 電力分配回路
JPS58137329A (ja) * 1982-02-10 1983-08-15 Nec Corp 入力信号線断線検出回路
JPH0614080B2 (ja) * 1984-06-26 1994-02-23 オムロン株式会社 負荷断線検出装置
US4799019A (en) * 1987-03-02 1989-01-17 Charles Cooley Electrical continuity load monitoring circuit
JPS6436109A (en) * 1987-07-30 1989-02-07 Nec Corp Power amplifier circuit
US4894605A (en) * 1988-02-24 1990-01-16 Digital Equipment Corporation Method and on-chip apparatus for continuity testing
JP2542618Y2 (ja) * 1988-08-30 1997-07-30 アルプス電気株式会社 車載用負荷状態検知駆動装置
EP0406967B1 (en) * 1989-07-06 1995-11-22 Koninklijke Philips Electronics N.V. Amplifier arrangement

Also Published As

Publication number Publication date
EP0446945A2 (en) 1991-09-18
DE69114156T2 (de) 1996-04-25
EP0446945B1 (en) 1995-11-02
JPH03267770A (ja) 1991-11-28
DE69114156D1 (de) 1995-12-07
EP0446945A3 (en) 1992-04-08
JPH0748620B2 (ja) 1995-05-24
US5233496A (en) 1993-08-03
KR960004456B1 (ko) 1996-04-06

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