KR910017734A - 전자기기장치 - Google Patents
전자기기장치 Download PDFInfo
- 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
Links
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
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)
- 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.
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)
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)
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 |
-
1990
- 1990-03-16 JP JP2066693A patent/JPH0748620B2/ja not_active Expired - Lifetime
-
1991
- 1991-03-13 US US07/668,626 patent/US5233496A/en not_active Expired - Lifetime
- 1991-03-15 DE DE69114156T patent/DE69114156T2/de not_active Expired - Fee Related
- 1991-03-15 EP EP91104034A patent/EP0446945B1/en not_active Expired - Lifetime
- 1991-03-16 KR KR1019910004194A patent/KR960004456B1/ko not_active IP Right Cessation
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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Legal Events
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A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20070330 Year of fee payment: 12 |
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LAPS | Lapse due to unpaid annual fee |