JPH0353645B2 - - Google Patents

Info

Publication number
JPH0353645B2
JPH0353645B2 JP56082670A JP8267081A JPH0353645B2 JP H0353645 B2 JPH0353645 B2 JP H0353645B2 JP 56082670 A JP56082670 A JP 56082670A JP 8267081 A JP8267081 A JP 8267081A JP H0353645 B2 JPH0353645 B2 JP H0353645B2
Authority
JP
Japan
Prior art keywords
coil
voltage
temperature
current
reference voltage
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 - Lifetime
Application number
JP56082670A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57197622A (en
Inventor
Ryuji Tokuda
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP56082670A priority Critical patent/JPS57197622A/ja
Priority to US06/379,909 priority patent/US4459574A/en
Priority to DE19823219811 priority patent/DE3219811A1/de
Publication of JPS57197622A publication Critical patent/JPS57197622A/ja
Publication of JPH0353645B2 publication Critical patent/JPH0353645B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • G05F1/46—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC
    • G05F1/462—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC as a function of the requirements of the load, e.g. delay, temperature, specific voltage/current characteristic
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/32—Compensating for temperature change
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Shutters For Cameras (AREA)
  • Shutter-Related Mechanisms (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Electronic Switches (AREA)
  • Amplifiers (AREA)
JP56082670A 1981-05-29 1981-05-29 Circuit for driving coil current Granted JPS57197622A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56082670A JPS57197622A (en) 1981-05-29 1981-05-29 Circuit for driving coil current
US06/379,909 US4459574A (en) 1981-05-29 1982-05-19 Driving circuit for a coil
DE19823219811 DE3219811A1 (de) 1981-05-29 1982-05-26 Spulen-treiberschaltung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56082670A JPS57197622A (en) 1981-05-29 1981-05-29 Circuit for driving coil current

Publications (2)

Publication Number Publication Date
JPS57197622A JPS57197622A (en) 1982-12-03
JPH0353645B2 true JPH0353645B2 (en]) 1991-08-15

Family

ID=13780855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56082670A Granted JPS57197622A (en) 1981-05-29 1981-05-29 Circuit for driving coil current

Country Status (3)

Country Link
US (1) US4459574A (en])
JP (1) JPS57197622A (en])
DE (1) DE3219811A1 (en])

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59160130A (ja) * 1983-03-02 1984-09-10 Canon Inc 自動露出制御回路
JPS6020621U (ja) * 1983-07-15 1985-02-13 日本電子株式会社 磁場発生用コイル電源回路
DE3729183C2 (de) * 1987-09-01 1994-11-10 Rexroth Mannesmann Gmbh Schaltung zum Betrieb eines magnetisch betätigten Ventils
JP2634685B2 (ja) * 1990-07-24 1997-07-30 シャープ株式会社 半導体装置の電圧降下回路
US5114442A (en) * 1990-12-27 1992-05-19 Neundorfer, Inc. Rapper control system for electrostatic precipitator
DE10008935A1 (de) * 2000-02-25 2001-08-30 Hella Kg Hueck & Co Betätigungsvorrichtung für eine Blende in einem Kraftfahrzeugscheinwerfer
US6545511B2 (en) * 2001-04-06 2003-04-08 Texas Instruments Incorporated Adjustable temperature-compensated threshold circuit with trip-points exceeding the given supplies
JP4641677B2 (ja) * 2001-07-27 2011-03-02 三洋電機株式会社 デジタルカメラのシャッター駆動回路
EP1351063A1 (en) * 2002-04-05 2003-10-08 Texas Instruments Incorporated Temperature-compensated treshold circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2314423C3 (de) * 1973-03-23 1981-08-27 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur Herstellung einer Referenzgleichspannungsquelle
US3953865A (en) * 1973-11-15 1976-04-27 Copal Company Limited Electric shutter
GB1549689A (en) * 1975-07-28 1979-08-08 Nippon Kogaku Kk Voltage generating circuit
JPS55108638A (en) * 1979-02-13 1980-08-21 Canon Inc Multiple exposure device of electromagnetically driven shutter camera

Also Published As

Publication number Publication date
JPS57197622A (en) 1982-12-03
DE3219811A1 (de) 1983-01-13
US4459574A (en) 1984-07-10

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