JPS5953915A - フイ−ルド接点入力用定電流源 - Google Patents

フイ−ルド接点入力用定電流源

Info

Publication number
JPS5953915A
JPS5953915A JP58148889A JP14888983A JPS5953915A JP S5953915 A JPS5953915 A JP S5953915A JP 58148889 A JP58148889 A JP 58148889A JP 14888983 A JP14888983 A JP 14888983A JP S5953915 A JPS5953915 A JP S5953915A
Authority
JP
Japan
Prior art keywords
transistor
constant current
collector
current source
emitter
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.)
Pending
Application number
JP58148889A
Other languages
English (en)
Japanese (ja)
Inventor
レナ−ド・ラルフ・ポリンスキ・ジユニア
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.)
Babcock and Wilcox Co
Original Assignee
Babcock and Wilcox Co
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 Babcock and Wilcox Co filed Critical Babcock and Wilcox Co
Publication of JPS5953915A publication Critical patent/JPS5953915A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/60—Auxiliary means structurally associated with the switch for cleaning or lubricating contact-making surfaces
    • H01H1/605—Cleaning of contact-making surfaces by relatively high voltage pulses
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is DC
    • G05F3/10—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/18—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using Zener diodes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Electronic Switches (AREA)
  • Control Of Electrical Variables (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Control Of El Displays (AREA)
JP58148889A 1982-08-16 1983-08-16 フイ−ルド接点入力用定電流源 Pending JPS5953915A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/408,545 US4532466A (en) 1982-08-16 1982-08-16 Constant current source for field contact input
US408545 1982-08-16

Publications (1)

Publication Number Publication Date
JPS5953915A true JPS5953915A (ja) 1984-03-28

Family

ID=23616710

Family Applications (2)

Application Number Title Priority Date Filing Date
JP58148889A Pending JPS5953915A (ja) 1982-08-16 1983-08-16 フイ−ルド接点入力用定電流源
JP006542U Pending JPH0725404U (ja) 1982-08-16 1994-05-17 フィールド接点入力用定電流源

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP006542U Pending JPH0725404U (ja) 1982-08-16 1994-05-17 フィールド接点入力用定電流源

Country Status (6)

Country Link
US (1) US4532466A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0101643A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (2) JPS5953915A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU1624483A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1192966A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN161474B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4911257A (en) * 1987-11-20 1990-03-27 Mazda Motor Corporation Vehicle having a solar battery system

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4831283A (en) * 1988-05-16 1989-05-16 Bnr Inc. Terminator current driver with short-circuit protection
FR2689258B1 (fr) * 1992-03-26 1996-12-13 Cegelec Module d'entree d'information par contact electrique, pour installation de controle/commande.
DE59309112D1 (de) * 1993-12-01 1998-12-10 Asea Brown Boveri Digitaleingabe für eine Erfassungsstation
US5672919A (en) * 1995-03-24 1997-09-30 Abb Power T&D Company Inc. Low current binary input subsystem
AU731189B1 (en) * 1999-12-10 2001-03-29 Robert Bosch Gmbh A switch input circuit
US9057743B2 (en) 2013-04-17 2015-06-16 Ge Intelligent Platforms, Inc. Apparatus and method for wetting current measurement and control
US9541604B2 (en) 2013-04-29 2017-01-10 Ge Intelligent Platforms, Inc. Loop powered isolated contact input circuit and method for operating the same
CN106471595B (zh) 2014-07-18 2019-04-19 通用电气智能平台有限公司 支持可编程润湿电流的通用接触件输入
CN112965563B (zh) * 2021-01-15 2022-07-15 惠州三华工业有限公司 带延时的两级恒流电路及其驱动控制方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54107250A (en) * 1978-02-10 1979-08-22 Hitachi Ltd Signal transfer circuit using photo coupler

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716729A (en) * 1951-11-24 1955-08-30 Bell Telephone Labor Inc Transistor circuits with constant output current
US3029351A (en) * 1958-12-19 1962-04-10 Ibm Contact driver circuit
DE1150457B (de) * 1961-10-24 1963-06-20 Siemens Ag Schaltung zur Regelung, insbesondere zur Konstanthaltung, des Kollektorstroms eines Transistors
DE2421558A1 (de) * 1974-05-03 1975-11-13 Standard Elektrik Lorenz Ag Relaisschaltung, insbesondere fuer fernmeldeanlagen
US4025850A (en) * 1975-10-01 1977-05-24 Joseph Spiteri Passive, solid state wide range voltage checker
JPS5515512A (en) * 1978-07-19 1980-02-02 Hitachi Ltd Constant voltage output circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54107250A (en) * 1978-02-10 1979-08-22 Hitachi Ltd Signal transfer circuit using photo coupler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4911257A (en) * 1987-11-20 1990-03-27 Mazda Motor Corporation Vehicle having a solar battery system

Also Published As

Publication number Publication date
AU1624483A (en) 1984-02-23
EP0101643A3 (en) 1984-11-07
IN161474B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-12-12
CA1192966A (en) 1985-09-03
JPH0725404U (ja) 1995-05-12
EP0101643A2 (en) 1984-02-29
US4532466A (en) 1985-07-30

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