JPH0237532U - - Google Patents
Info
- Publication number
- JPH0237532U JPH0237532U JP1988112732U JP11273288U JPH0237532U JP H0237532 U JPH0237532 U JP H0237532U JP 1988112732 U JP1988112732 U JP 1988112732U JP 11273288 U JP11273288 U JP 11273288U JP H0237532 U JPH0237532 U JP H0237532U
- Authority
- JP
- Japan
- Prior art keywords
- state
- load
- shorted
- open
- drive signal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 6
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for dc applications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/18—Modifications for indicating state of switch
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Landscapes
- Protection Of Static Devices (AREA)
- Control Of Voltage And Current In General (AREA)
- Emergency Protection Circuit Devices (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988112732U JP2542618Y2 (ja) | 1988-08-30 | 1988-08-30 | 車載用負荷状態検知駆動装置 |
DE3928225A DE3928225A1 (de) | 1988-08-30 | 1989-08-25 | Lastzustandsdetektor- und lasttreibersystem |
US07/398,817 US4962350A (en) | 1988-08-30 | 1989-08-25 | Load condition detecting and driving system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988112732U JP2542618Y2 (ja) | 1988-08-30 | 1988-08-30 | 車載用負荷状態検知駆動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0237532U true JPH0237532U (US06229276-20010508-P00068.png) | 1990-03-13 |
JP2542618Y2 JP2542618Y2 (ja) | 1997-07-30 |
Family
ID=14594158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988112732U Expired - Lifetime JP2542618Y2 (ja) | 1988-08-30 | 1988-08-30 | 車載用負荷状態検知駆動装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4962350A (US06229276-20010508-P00068.png) |
JP (1) | JP2542618Y2 (US06229276-20010508-P00068.png) |
DE (1) | DE3928225A1 (US06229276-20010508-P00068.png) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5235980A (en) * | 1989-11-13 | 1993-08-17 | Cyberonics, Inc. | Implanted apparatus disabling switching regulator operation to allow radio frequency signal reception |
US5154172A (en) * | 1989-11-13 | 1992-10-13 | Cyberonics, Inc. | Constant current sources with programmable voltage source |
US5186170A (en) * | 1989-11-13 | 1993-02-16 | Cyberonics, Inc. | Simultaneous radio frequency and magnetic field microprocessor reset circuit |
US5179950A (en) * | 1989-11-13 | 1993-01-19 | Cyberonics, Inc. | Implanted apparatus having micro processor controlled current and voltage sources with reduced voltage levels when not providing stimulation |
JPH0748620B2 (ja) * | 1990-03-16 | 1995-05-24 | 株式会社東芝 | 電子機器装置 |
DE4009304A1 (de) * | 1990-03-23 | 1991-09-26 | Bosch Gmbh Robert | Kurzschlussfeste transistorendstufe, insbesondere zuendungsendstufe fuer kraftfahrzeuge |
DE4012109C2 (de) * | 1990-04-14 | 1999-06-10 | Bosch Gmbh Robert | Vorrichtung zur Funktionsüberwachung eines elektrischen/elektronischen Schaltmittels, seines angeschlossenen Verbrauchers, einer Ansteuerung und seiner Verbindungsleitung |
US5349994A (en) * | 1990-09-28 | 1994-09-27 | Dover Corporation | Control system for filling tanks with liquids |
CA2059802C (en) * | 1991-02-01 | 1997-12-02 | Dennis W. Waggamon | Wiring error detector for door operator |
JPH04259017A (ja) * | 1991-02-14 | 1992-09-14 | Brother Ind Ltd | 直流電源装置 |
DE4125302C2 (de) * | 1991-07-31 | 2003-04-30 | Bosch Gmbh Robert | Einrichtung zur Überwachung eines elektrischen Verbrauchers in einem Fahrzeug |
US5164659A (en) * | 1991-08-29 | 1992-11-17 | Warren Schultz | Switching circuit |
US5337013A (en) * | 1992-06-10 | 1994-08-09 | Ford Motor Company | Method and apparatus for monitoring the operation of electrical loads in an automotive vehicle |
FR2696240B1 (fr) * | 1992-09-25 | 1994-12-02 | Valeo Electronique | Système de commutation autotestable. |
EP0606160A1 (en) * | 1993-01-08 | 1994-07-13 | National Semiconductor Corporation | Protection circuit used for deactivating a transistor during a short circuit having an inductive component |
US5475270A (en) * | 1993-01-08 | 1995-12-12 | Ford Motor Company | Starter motor energization circuit for an internal combustion engine |
FR2713844B1 (fr) * | 1993-12-08 | 1996-02-23 | Euro Cp Sarl | Procédé et dispositif pour extraire un signal indicatif de l'état de charge d'un commutateur de puissance, et dispositifs de commutation et de commande associés. |
DE19513615C2 (de) * | 1994-04-11 | 1997-05-15 | Morita Mfg | Kontakterkennungsschaltung, Lasttreibervorrichtung und zahnmedizinische Spritze mit eingebauter Beleuchtungseinrichtung |
JP3309331B2 (ja) * | 1994-04-14 | 2002-07-29 | ローム株式会社 | 電源供給回路及びそれを用いた機器 |
US5510950A (en) * | 1994-10-05 | 1996-04-23 | Ford Motor Company | Method and circuit for controlling and monitoring a load |
KR0158505B1 (ko) * | 1995-08-30 | 1998-12-15 | 김광호 | 부하보호기능을 갖는 전원 공급 회로 |
US5808371A (en) * | 1995-09-05 | 1998-09-15 | Hitachi, Ltd. | Apparatus for driving electrical loads provided at a vehicle |
EP0829730B1 (en) * | 1996-09-17 | 2001-02-21 | STMicroelectronics S.r.l. | A circuit for diagnosing the state of an electric load |
US5805061A (en) * | 1997-04-08 | 1998-09-08 | Hella Kg Hueck & Co. | Electronic flasher unit for vehicle lighting system and method of monitoring the operation thereof |
DE19754927C2 (de) * | 1997-12-10 | 2002-12-05 | Infineon Technologies Ag | Schaltungsanordnung zur Leerlauferfassung |
US6507283B1 (en) | 1998-05-20 | 2003-01-14 | The Foxboro Company | Self-validating output module |
DE19854051C2 (de) * | 1998-11-24 | 2001-05-23 | Temic Semiconductor Gmbh | Verfahren und Schaltungsanordnung zum Vergleich eines Eingangssignals mit unterschiedlichen Spannungsschwellen in einem elektronischen Blinkgeber |
DE60332314D1 (de) * | 2003-04-02 | 2010-06-10 | Semiconductor Components Ind | Verfahren und Gerät zum Erkennen eines elektrischen Kurzschlusses und einer offenen Last |
US7420791B1 (en) * | 2004-08-09 | 2008-09-02 | Intersil Americas Inc. | Fault signature system for power management integrated circuits |
US7288857B2 (en) * | 2005-04-13 | 2007-10-30 | Intelliserv, Inc. | Self-latching power supply apparatus |
EP1957992B1 (en) | 2005-12-06 | 2011-05-25 | Harman International Industries, Incorporated | Diagnostic system for power converter |
US7812590B2 (en) * | 2007-09-17 | 2010-10-12 | Infineon Technologies Ag | Method for detection of the presence of a load and drive circuit |
ITUB20155835A1 (it) * | 2015-11-24 | 2017-05-24 | St Microelectronics Srl | Circuito di diagnosi per rilevare lo stato di carico di un amplificatore audio, corrispondente sistema audio, circuito integrato e procedimento |
CN112858949B (zh) * | 2018-09-17 | 2024-06-18 | 宁德时代新能源科技股份有限公司 | 负载状态的检测电路 |
CN117368798A (zh) * | 2023-12-04 | 2024-01-09 | 浙江国利信安科技有限公司 | 故障检测电路以及相关的电路系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4978135A (US06229276-20010508-P00068.png) * | 1972-12-04 | 1974-07-27 | ||
JPS6343516A (ja) * | 1986-08-08 | 1988-02-24 | オムロン株式会社 | 故障検出回路 |
JPS6395812A (ja) * | 1986-10-08 | 1988-04-26 | 川崎製鉄株式会社 | 整流器の負荷異常検出方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3588612A (en) * | 1968-06-12 | 1971-06-28 | United Carr Inc | Solid state lamp flasher |
US3629622A (en) * | 1970-04-03 | 1971-12-21 | Sylvania Electric Prod | Switching regulator having a low dissipation current overload detection device |
US3988661A (en) * | 1974-12-24 | 1976-10-26 | General Electric Company | Power supply system for generating constant power under maximum current conditions |
DE2536287A1 (de) * | 1975-08-14 | 1977-02-17 | Sine Ind Elektonik Gmbh | Elektronische kurzschlussicherung |
US4127885A (en) * | 1977-04-21 | 1978-11-28 | Rca Corporation | Over-current protection circuit for voltage regulator |
US4438498A (en) * | 1981-07-13 | 1984-03-20 | Tektronix, Inc. | Power supply output monitoring method and apparatus |
DE3138645A1 (de) * | 1981-09-29 | 1983-04-14 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | "elektronische ueberstromschutzvorrichtung" |
JPS58181193A (ja) * | 1982-04-16 | 1983-10-22 | 株式会社日立製作所 | 表示駆動装置 |
US4521725A (en) * | 1983-12-02 | 1985-06-04 | United Technologies Corporation | Series switching regulator |
-
1988
- 1988-08-30 JP JP1988112732U patent/JP2542618Y2/ja not_active Expired - Lifetime
-
1989
- 1989-08-25 DE DE3928225A patent/DE3928225A1/de active Granted
- 1989-08-25 US US07/398,817 patent/US4962350A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4978135A (US06229276-20010508-P00068.png) * | 1972-12-04 | 1974-07-27 | ||
JPS6343516A (ja) * | 1986-08-08 | 1988-02-24 | オムロン株式会社 | 故障検出回路 |
JPS6395812A (ja) * | 1986-10-08 | 1988-04-26 | 川崎製鉄株式会社 | 整流器の負荷異常検出方法 |
Also Published As
Publication number | Publication date |
---|---|
DE3928225C2 (US06229276-20010508-P00068.png) | 1993-03-11 |
US4962350A (en) | 1990-10-09 |
JP2542618Y2 (ja) | 1997-07-30 |
DE3928225A1 (de) | 1990-03-08 |