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AU2001234555A1 - Optocoupler for a non-intrinsically safe circuit - Google Patents

Optocoupler for a non-intrinsically safe circuit

Info

Publication number
AU2001234555A1
AU2001234555A1 AU2001234555A AU3455501A AU2001234555A1 AU 2001234555 A1 AU2001234555 A1 AU 2001234555A1 AU 2001234555 A AU2001234555 A AU 2001234555A AU 3455501 A AU3455501 A AU 3455501A AU 2001234555 A1 AU2001234555 A1 AU 2001234555A1
Authority
AU
Australia
Prior art keywords
optocoupler
intrinsically safe
safe circuit
circuit
intrinsically
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.)
Abandoned
Application number
AU2001234555A
Inventor
William M. Mansfield
Craig B. Mcanally
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.)
Micro Motion Inc
Original Assignee
Micro Motion 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 Micro Motion Inc filed Critical Micro Motion Inc
Publication of AU2001234555A1 publication Critical patent/AU2001234555A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • H03K17/795—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors
    • H03K17/7955—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors using phototransistors
    • 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
    • H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
    • H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
    • H03K17/08146—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in bipolar transistor switches
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
    • H04B10/801—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water using optical interconnects, e.g. light coupled isolators, circuit board interconnections
    • H04B10/802—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water using optical interconnects, e.g. light coupled isolators, circuit board interconnections for isolation, e.g. using optocouplers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Electronic Switches (AREA)
  • Transmitters (AREA)
AU2001234555A 2000-03-31 2001-01-25 Optocoupler for a non-intrinsically safe circuit Abandoned AU2001234555A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09541129 2000-03-31
US09/541,129 US6404609B1 (en) 2000-03-31 2000-03-31 Circuit that reduces the numbers of components needed to transmit data from intrinsically safe to non-intrinsically safe circuits using opto-couplers
PCT/US2001/002416 WO2001076107A1 (en) 2000-03-31 2001-01-25 Optocoupler for a non-intrinsically safe circuit

Publications (1)

Publication Number Publication Date
AU2001234555A1 true AU2001234555A1 (en) 2001-10-15

Family

ID=24158284

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001234555A Abandoned AU2001234555A1 (en) 2000-03-31 2001-01-25 Optocoupler for a non-intrinsically safe circuit

Country Status (7)

Country Link
US (1) US6404609B1 (en)
EP (1) EP1269660B1 (en)
JP (1) JP5139616B2 (en)
CN (1) CN1199067C (en)
AR (1) AR029241A1 (en)
AU (1) AU2001234555A1 (en)
WO (1) WO2001076107A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10356985A1 (en) * 2003-12-05 2005-07-07 Cooper Crouse-Hinds Gmbh Data communications equipment
WO2006041949A1 (en) * 2004-10-05 2006-04-20 Azonix Wireless communication using an intrinsically safe design for use in a hazardous area
CN100365810C (en) * 2005-03-15 2008-01-30 李奕权 Integrated circuit signal lines for diffusion and laser photoelectric coupling
US7411849B2 (en) * 2006-02-02 2008-08-12 Caterpillar Inc. Apparatus and method for transferring an analog signal between isolated systems
US7687791B2 (en) 2006-05-05 2010-03-30 Pepperl & Fuchs (De) Ethernet data signal transmission apparatus
DE102006030114B4 (en) * 2006-06-28 2010-09-09 Phoenix Contact Gmbh & Co. Kg Safe input circuit with single-channel I / O connection for the input of a bus participant
DE102006033712A1 (en) * 2006-07-20 2008-01-31 Logicdata Electronic & Software Entwicklungs Gmbh Control for electrically adjustable furniture
US7432720B1 (en) * 2006-08-04 2008-10-07 Cisco Technology, Inc. Method and system for isolated current and voltage monitoring
US7898786B2 (en) * 2007-01-26 2011-03-01 Siemens Industry, Inc. Intrinsically safe galvanically isolated barrier device and method thereof
TWI420290B (en) * 2007-11-02 2013-12-21 Hon Hai Prec Ind Co Ltd Power supply detecting circuit
DE102012111278B4 (en) 2012-11-22 2021-11-25 Wago Verwaltungsgesellschaft Mbh Circuit arrangement with overload protection for galvanic isolation units
US10075246B2 (en) * 2013-09-26 2018-09-11 Micro Motion, Inc. Optical isolator mounted in printed circuit board recess
DE102014101353B4 (en) * 2014-02-04 2018-01-25 Phoenix Contact Gmbh & Co. Kg Wide-range input circuit
US9778149B2 (en) 2014-05-02 2017-10-03 Swagelok Company Fluid sample system and method
AU2016203819B2 (en) * 2015-06-12 2021-01-28 CI Data Pty Ltd Constrained power vending system
US11978980B2 (en) * 2019-02-14 2024-05-07 Eaton Intelligent Power Limited Hazardous environment electrical feedback barrier device, assembly, system and method
DE102020210899A1 (en) * 2020-08-28 2022-03-03 Festo Se & Co. Kg Safety device, valve arrangement and method
CN117394846B (en) * 2023-12-13 2024-02-27 常州市索鼎自动化科技有限公司 Isolation device for intrinsically safe devices

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1489072A (en) * 1975-02-17 1977-10-19 Ind Control Services Ltd Intrinsically safe systems
US4420840A (en) * 1981-08-17 1983-12-13 Livermore Thomas R Intrinsically safe photoelectric sensing
DE3435079A1 (en) * 1984-09-25 1986-04-03 Seba-Dynatronic Mess- und Ortungstechnik gmbH, 8601 Baunach CIRCUIT ARRANGEMENT FOR THE POWER SUPPLY OF A DEVICE FOR MONITORING THE CARBON MONOXIDE CONTENT
DE3832068A1 (en) 1988-09-21 1990-03-22 Stahl R Schaltgeraete Gmbh EXPLOSION PROTECTED ELECTRICAL SAFETY BARRIERS
JPH02188020A (en) * 1989-01-17 1990-07-24 Fuji Electric Co Ltd Photocoupler circuit and photocoupler circuit for driving power semiconductor devices
US5164607A (en) * 1991-06-25 1992-11-17 General Motors Of Canada Limited Fill sensor for paint gun used in an electrically isolated area
US5343192A (en) * 1992-09-10 1994-08-30 At&T Bell Laboratories Fuse or circuit breaker status indicator
JPH06338778A (en) * 1993-05-31 1994-12-06 Hamamatsu Photonics Kk Bidirectional optical coupler
US5747972A (en) * 1995-01-11 1998-05-05 Microplanet Ltd. Method and apparatus for electronic power control
JPH1169599A (en) * 1997-08-19 1999-03-09 Toshiba Corp Fuse cutoff notifying device
US6169649B1 (en) * 1999-07-16 2001-01-02 Lucent Technologies Inc. Detection circuit for circuit protection devices of a power supply and method of operation thereof

Also Published As

Publication number Publication date
CN1430825A (en) 2003-07-16
HK1056052A1 (en) 2004-01-30
EP1269660B1 (en) 2012-04-18
EP1269660A1 (en) 2003-01-02
AR029241A1 (en) 2003-06-18
JP2003529945A (en) 2003-10-07
JP5139616B2 (en) 2013-02-06
US6404609B1 (en) 2002-06-11
CN1199067C (en) 2005-04-27
WO2001076107A1 (en) 2001-10-11

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