JPS4860924A - - Google Patents

Info

Publication number
JPS4860924A
JPS4860924A JP46096140A JP9614071A JPS4860924A JP S4860924 A JPS4860924 A JP S4860924A JP 46096140 A JP46096140 A JP 46096140A JP 9614071 A JP9614071 A JP 9614071A JP S4860924 A JPS4860924 A JP S4860924A
Authority
JP
Japan
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
Application number
JP46096140A
Other languages
Japanese (ja)
Other versions
JPS5113660B2 (enrdf_load_stackoverflow
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 filed Critical
Priority to JP46096140A priority Critical patent/JPS5113660B2/ja
Priority to US00303233A priority patent/US3809981A/en
Priority to DE2257878A priority patent/DE2257878A1/de
Publication of JPS4860924A publication Critical patent/JPS4860924A/ja
Publication of JPS5113660B2 publication Critical patent/JPS5113660B2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Control Of Direct Current Motors (AREA)
  • Stopping Of Electric Motors (AREA)
JP46096140A 1971-11-29 1971-11-29 Expired JPS5113660B2 (enrdf_load_stackoverflow)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP46096140A JPS5113660B2 (enrdf_load_stackoverflow) 1971-11-29 1971-11-29
US00303233A US3809981A (en) 1971-11-29 1972-11-02 Exposure determining device
DE2257878A DE2257878A1 (de) 1971-11-29 1972-11-25 Belichtungsbestimmungsschaltung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46096140A JPS5113660B2 (enrdf_load_stackoverflow) 1971-11-29 1971-11-29

Publications (2)

Publication Number Publication Date
JPS4860924A true JPS4860924A (enrdf_load_stackoverflow) 1973-08-27
JPS5113660B2 JPS5113660B2 (enrdf_load_stackoverflow) 1976-05-01

Family

ID=14157067

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46096140A Expired JPS5113660B2 (enrdf_load_stackoverflow) 1971-11-29 1971-11-29

Country Status (3)

Country Link
US (1) US3809981A (enrdf_load_stackoverflow)
JP (1) JPS5113660B2 (enrdf_load_stackoverflow)
DE (1) DE2257878A1 (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206394A (en) * 1975-04-26 1980-06-03 Braun Aktiengesellschaft Motor control circuit
US4204143A (en) * 1978-09-26 1980-05-20 The United States Of America As Represented By The Secretary Of The Navy Pulse width modulated power amplifier for direct current motor control
JPS5620395U (enrdf_load_stackoverflow) * 1979-07-23 1981-02-23
JPS56157289A (en) * 1980-05-01 1981-12-04 Olympus Optical Co Ltd Braking device for motor
JPS57172810A (en) * 1981-04-13 1982-10-23 Diesel Kiki Co Ltd Control circuit for automobile electromagnetic driving equipment
DE102005016278A1 (de) * 2005-04-08 2006-10-12 Siemens Ag Vorrichtung zum Steuern eines elektromechanischen Energiewandlers, insbesondere eines Elektromotors und/oder -generators

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960920A (en) * 1956-09-10 1960-11-22 Specialties Inc Photographic equipment and exposure control means therefor
US3110851A (en) * 1960-08-26 1963-11-12 Avco Corp Transistor servo system
US3444446A (en) * 1965-06-24 1969-05-13 Houdaille Industries Inc Fine-medium-coarse servomotor position control
US3581181A (en) * 1968-09-13 1971-05-25 Honeywell Inc Servomotor driving and braking circuit
US3662243A (en) * 1970-11-16 1972-05-09 Outboard Marine Corp Electrical circuit for steering and throttle control of a marine propulsion device

Also Published As

Publication number Publication date
US3809981A (en) 1974-05-07
DE2257878A1 (de) 1973-06-20
JPS5113660B2 (enrdf_load_stackoverflow) 1976-05-01

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