NL7100888A - - Google Patents

Info

Publication number
NL7100888A
NL7100888A NL7100888A NL7100888A NL7100888A NL 7100888 A NL7100888 A NL 7100888A NL 7100888 A NL7100888 A NL 7100888A NL 7100888 A NL7100888 A NL 7100888A NL 7100888 A NL7100888 A NL 7100888A
Authority
NL
Netherlands
Application number
NL7100888A
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
Priority claimed from JP45006146A external-priority patent/JPS4817087B1/ja
Priority claimed from JP45023942A external-priority patent/JPS491208B1/ja
Priority claimed from JP45043511A external-priority patent/JPS4837606B1/ja
Application filed filed Critical
Publication of NL7100888A publication Critical patent/NL7100888A/xx

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
    • G03B7/083—Analogue circuits for control of exposure time
    • 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
    • G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B6/00—Internal feedback arrangements for obtaining particular characteristics, e.g. proportional, integral or differential
    • G05B6/02—Internal feedback arrangements for obtaining particular characteristics, e.g. proportional, integral or differential electric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Exposure Control For Cameras (AREA)
NL7100888A 1970-01-23 1971-01-22 NL7100888A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP45006146A JPS4817087B1 (ja) 1970-01-23 1970-01-23
JP45023942A JPS491208B1 (ja) 1970-03-19 1970-03-19
JP45043511A JPS4837606B1 (ja) 1970-05-21 1970-05-21

Publications (1)

Publication Number Publication Date
NL7100888A true NL7100888A (ja) 1971-07-27

Family

ID=27277032

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7100888A NL7100888A (ja) 1970-01-23 1971-01-22

Country Status (2)

Country Link
US (1) US4170411A (ja)
NL (1) NL7100888A (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4521014A (en) * 1982-09-30 1985-06-04 Sitrick David H Video game including user visual image
US8570181B2 (en) 2010-03-15 2013-10-29 Siemens Industry, Inc. Method and apparatus for supervisory circuit for ground fault circuit interrupt device
JP6763298B2 (ja) * 2016-12-27 2020-09-30 セイコーエプソン株式会社 プリンター

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1497371C3 (de) * 1965-03-10 1974-01-10 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren zur Regelung der Belichtungszeit von Kopiergeräten
JPS5025336B1 (ja) * 1967-11-28 1975-08-22
US3726200A (en) * 1969-11-24 1973-04-10 Canon Kk Electronic shutter for cameras
GB1339622A (en) * 1970-06-16 1973-12-05 Asahi Optical Co Ltd Electric shutter control circuit for a single-lens reflex camera

Also Published As

Publication number Publication date
DE2103178A1 (de) 1971-12-30
DE2103178B2 (de) 1975-11-20
US4170411A (en) 1979-10-09

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