GB2108785B - Capacitor discharge circuit - Google Patents

Capacitor discharge circuit

Info

Publication number
GB2108785B
GB2108785B GB08225523A GB8225523A GB2108785B GB 2108785 B GB2108785 B GB 2108785B GB 08225523 A GB08225523 A GB 08225523A GB 8225523 A GB8225523 A GB 8225523A GB 2108785 B GB2108785 B GB 2108785B
Authority
GB
United Kingdom
Prior art keywords
discharge circuit
capacitor discharge
capacitor
circuit
discharge
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.)
Expired
Application number
GB08225523A
Other languages
English (en)
Other versions
GB2108785A (en
Inventor
Seiichi Suzuki
Eihachiro Tomita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kureha Corp
Radio Research and Technical Inc
Original Assignee
Kureha Corp
Radio Research and Technical Inc
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 Kureha Corp, Radio Research and Technical Inc filed Critical Kureha Corp
Publication of GB2108785A publication Critical patent/GB2108785A/en
Application granted granted Critical
Publication of GB2108785B publication Critical patent/GB2108785B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/548—Electromechanical and static switch connected in series
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
    • A61N1/39—Heart defibrillators
    • A61N1/3904—External heart defibrillators [EHD]
    • A61N1/39046—User protection from shock
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
    • A61N1/39—Heart defibrillators
    • A61N1/3906—Heart defibrillators characterised by the form of the shockwave
    • A61N1/3912—Output circuitry therefor, e.g. switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
    • H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device

Landscapes

  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)
  • Power Conversion In General (AREA)
GB08225523A 1981-09-10 1982-09-07 Capacitor discharge circuit Expired GB2108785B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56142832A JPS5843615A (ja) 1981-09-10 1981-09-10 コンデンサ−出力回路

Publications (2)

Publication Number Publication Date
GB2108785A GB2108785A (en) 1983-05-18
GB2108785B true GB2108785B (en) 1985-07-31

Family

ID=15324648

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08225523A Expired GB2108785B (en) 1981-09-10 1982-09-07 Capacitor discharge circuit

Country Status (5)

Country Link
US (1) US4504773A (enExample)
JP (1) JPS5843615A (enExample)
DE (1) DE3233650A1 (enExample)
FR (1) FR2512607A1 (enExample)
GB (1) GB2108785B (enExample)

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US4823796A (en) * 1987-04-03 1989-04-25 Laerdal Manufacturing Corp. Defibrillator circuit for producing a trapezoidal defibrillation pulse
US4850357A (en) * 1988-01-12 1989-07-25 Cardiac Pacemakers, Inc. Biphasic pulse generator for an implantable defibrillator
US4998531A (en) * 1990-03-28 1991-03-12 Cardiac Pacemakers, Inc. Implantable N-phasic defibrillator output bridge circuit
US5097830A (en) * 1990-03-30 1992-03-24 Laerdal Manufacturing Corporation Defibrillator with reliability verification
US5275157A (en) * 1991-04-12 1994-01-04 Physio-Control Corporation Pulse forming circuits
US5620464A (en) * 1992-12-18 1997-04-15 Angeion Corporation System and method for delivering multiple closely spaced defibrillation pulses
US5674248A (en) * 1995-01-23 1997-10-07 Angeion Corporation Staged energy concentration for an implantable biomedical device
US5488530A (en) * 1993-04-22 1996-01-30 Mcdonnell Douglas Corporation System and method for protecting relay contacts
US5879374A (en) * 1993-05-18 1999-03-09 Heartstream, Inc. External defibrillator with automatic self-testing prior to use
US5601612A (en) * 1993-08-06 1997-02-11 Heartstream, Inc. Method for applying a multiphasic waveform
US5607454A (en) * 1993-08-06 1997-03-04 Heartstream, Inc. Electrotherapy method and apparatus
FR2710848B1 (fr) * 1993-10-08 1995-12-01 Ela Medical Sa Défibrillateur implantable à générateur de chocs isolé optiquement.
US5527346A (en) * 1993-12-13 1996-06-18 Angeion Corporation Implantable cardioverter defibrillator employing polymer thin film capacitors
US5486201A (en) * 1994-09-12 1996-01-23 Pacesetter, Inc. Active discharge of a coupling capacitor in an implantable medical device
US5666257A (en) * 1994-10-18 1997-09-09 Yang; Tai-Her DC circuit breaking spark suppressor circuit device
US5764459A (en) * 1994-10-18 1998-06-09 Yang; Tai-Her DC circuit breaking spark suppressor device
US5620465A (en) * 1995-06-08 1997-04-15 Survivalink Corporation External defibrillator for producing and testing biphasic waveforms
US5891172A (en) * 1996-06-27 1999-04-06 Survivalink Corporation High voltage phase selector switch for external defibrillators
US5968080A (en) * 1996-07-01 1999-10-19 Survivalink Corporation Method for determining the second phase of external defibrillator devices
US6411846B1 (en) * 1999-08-26 2002-06-25 Survivalink Corporation Method and apparatus for delivering a biphasic defibrillation pulse with variable energy
US6263239B1 (en) 1996-07-01 2001-07-17 Survivalink Corporation Method and apparatus for determining the second phase of defibrillator devices
US6029085A (en) * 1997-04-09 2000-02-22 Survivalink Corporation Charging and safety control for automated external defibrillator and method
US5899925A (en) * 1997-08-07 1999-05-04 Heartstream, Inc. Method and apparatus for aperiodic self-testing of a defibrillator
US6539255B1 (en) 1998-07-16 2003-03-25 Cardiac Science, Inc. Full-tilt exponential defibrillation waveform
US6104953A (en) * 1999-01-28 2000-08-15 Heartstream, Inc. Method and apparatus for delivering defibrillation and pacing energy from a single power source
US6119039A (en) 1999-01-28 2000-09-12 Heartstream, Inc. Method and apparatus for delivering defibrillation energy
US6405081B1 (en) * 1999-04-22 2002-06-11 Koninklijke Philips Electronics N.V. Damped biphasic energy delivery circuit for a defibrillator
US6230054B1 (en) 1999-04-23 2001-05-08 Agilent Technologies, Inc. Apparatus for controlling delivery of defibrillation energy
US8540493B2 (en) * 2003-12-08 2013-09-24 Sta-Rite Industries, Llc Pump control system and method
US8177520B2 (en) 2004-04-09 2012-05-15 Regal Beloit Epc Inc. Controller for a motor and a method of controlling the motor
US20110002792A1 (en) * 2004-04-09 2011-01-06 Bartos Ronald P Controller for a motor and a method of controlling the motor
US8133034B2 (en) * 2004-04-09 2012-03-13 Regal Beloit Epc Inc. Controller for a motor and a method of controlling the motor
US8480373B2 (en) 2004-08-26 2013-07-09 Pentair Water Pool And Spa, Inc. Filter loading
US8469675B2 (en) 2004-08-26 2013-06-25 Pentair Water Pool And Spa, Inc. Priming protection
US7845913B2 (en) 2004-08-26 2010-12-07 Pentair Water Pool And Spa, Inc. Flow control
US8602745B2 (en) 2004-08-26 2013-12-10 Pentair Water Pool And Spa, Inc. Anti-entrapment and anti-dead head function
US7874808B2 (en) 2004-08-26 2011-01-25 Pentair Water Pool And Spa, Inc. Variable speed pumping system and method
US8019479B2 (en) 2004-08-26 2011-09-13 Pentair Water Pool And Spa, Inc. Control algorithm of variable speed pumping system
US7854597B2 (en) 2004-08-26 2010-12-21 Pentair Water Pool And Spa, Inc. Pumping system with two way communication
US7686589B2 (en) 2004-08-26 2010-03-30 Pentair Water Pool And Spa, Inc. Pumping system with power optimization
US8281425B2 (en) 2004-11-01 2012-10-09 Cohen Joseph D Load sensor safety vacuum release system
US20080095638A1 (en) * 2006-10-13 2008-04-24 A.O. Smith Corporation Controller for a motor and a method of controlling the motor
US7690897B2 (en) * 2006-10-13 2010-04-06 A.O. Smith Corporation Controller for a motor and a method of controlling the motor
AU2009298834B2 (en) * 2008-10-01 2015-07-16 Regal Beloit America, Inc. Controller for a motor and a method of controlling the motor
US8313306B2 (en) 2008-10-06 2012-11-20 Pentair Water Pool And Spa, Inc. Method of operating a safety vacuum release system
US8564233B2 (en) 2009-06-09 2013-10-22 Sta-Rite Industries, Llc Safety system and method for pump and motor
US8436559B2 (en) 2009-06-09 2013-05-07 Sta-Rite Industries, Llc System and method for motor drive control pad and drive terminals
US9556874B2 (en) 2009-06-09 2017-01-31 Pentair Flow Technologies, Llc Method of controlling a pump and motor
AU2011338297B2 (en) 2010-12-08 2016-10-13 Pentair Water Pool And Spa, Inc. Discharge vacuum relief valve for safety vacuum release system
CN102169129B (zh) * 2010-12-23 2013-03-27 优利德科技(中国)有限公司 一种电容漏电测试仪的放电方法与装置
US8901895B2 (en) 2011-08-09 2014-12-02 Caterpillar Global Mining Llc Stored energy discharge apparatus and method
MX368556B (es) 2011-11-01 2019-10-07 Pentair Water Pool & Spa Inc Sistema y metodo para bloqueo de flujo.
US9126055B2 (en) 2012-04-20 2015-09-08 Cardiac Science Corporation AED faster time to shock method and device
US9885360B2 (en) 2012-10-25 2018-02-06 Pentair Flow Technologies, Llc Battery backup sump pump systems and methods
EP4039322B1 (en) 2014-02-24 2023-09-06 Element Science, Inc. External defibrillator
EP3340862B1 (en) 2015-08-26 2023-06-07 Element Science, Inc. Wearable defibrillation devices
GB201608823D0 (en) * 2016-05-19 2016-07-06 Cooper Technologies Co Electronic device disconnection
DE102016117006A1 (de) * 2016-09-09 2018-03-15 Eaton Industries (Austria) Gmbh Schutzschaltgerät
EP4438108A3 (en) 2018-10-10 2024-11-06 Element Science, Inc. Wearable medical device with disposable and reusable components
CN116667518B (zh) * 2023-07-24 2023-10-27 山东华天电气有限公司 一种直流电压暂降治理电路及其控制方法

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CH391053A (de) * 1960-12-14 1965-04-30 Siemens Ag Einrichtung zum Abschalten eines Verbrauchers von einem Gleichstromnetz
US3440445A (en) * 1966-04-25 1969-04-22 Clevite Corp Circuit for substantially eliminating radio frequency interference
DE1765125B1 (de) * 1968-04-05 1971-04-22 Siemens Ag Schaltungsanordnung zum schalten eines induktiven verbrau chers
GB1256638A (enExample) * 1969-08-02 1971-12-08
US3706313A (en) * 1971-02-04 1972-12-19 Medical Research Lab Trapezoidal waveshape defibrillator
DE2117357A1 (de) * 1971-04-08 1972-10-19 Linde Ag Elektrischer, an eine Gleichspannungsquelle angeschlossener Zeitverzögerungsschalter
US3736466A (en) * 1971-07-13 1973-05-29 Gen Electric Non-arcing switch system and process
US3782389A (en) * 1972-01-20 1974-01-01 Health Technology Labs Inc Computer controlled defibrillator
US3814948A (en) * 1972-10-10 1974-06-04 Cutler Hammer Inc Universal on-delay timer
US3914663A (en) * 1974-04-17 1975-10-21 Guardian Electric Mfg Co Timing circuit apparatus for use with vehicles
US4001610A (en) * 1975-06-30 1977-01-04 Ordnance Research, Inc. Time delay circuit
US4119903A (en) * 1978-01-05 1978-10-10 Hewlett-Packard Company Defibrillator charging circuit

Also Published As

Publication number Publication date
JPS5843615A (ja) 1983-03-14
DE3233650A1 (de) 1983-03-24
GB2108785A (en) 1983-05-18
US4504773A (en) 1985-03-12
FR2512607A1 (fr) 1983-03-11
FR2512607B1 (enExample) 1985-04-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee