FR2231030A1 - - Google Patents

Info

Publication number
FR2231030A1
FR2231030A1 FR7415894A FR7415894A FR2231030A1 FR 2231030 A1 FR2231030 A1 FR 2231030A1 FR 7415894 A FR7415894 A FR 7415894A FR 7415894 A FR7415894 A FR 7415894A FR 2231030 A1 FR2231030 A1 FR 2231030A1
Authority
FR
France
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
FR7415894A
Other languages
French (fr)
Other versions
FR2231030B1 (en
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Publication of FR2231030A1 publication Critical patent/FR2231030A1/fr
Application granted granted Critical
Publication of FR2231030B1 publication Critical patent/FR2231030B1/fr
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
    • G03B7/091—Digital circuits
    • G03B7/095—Digital circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
  • Exposure Control For Cameras (AREA)
  • Control Of Stepping Motors (AREA)
  • Stroboscope Apparatuses (AREA)
FR7415894A 1973-05-22 1974-05-08 Expired FR2231030B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36266473A 1973-05-22 1973-05-22

Publications (2)

Publication Number Publication Date
FR2231030A1 true FR2231030A1 (en) 1974-12-20
FR2231030B1 FR2231030B1 (en) 1978-12-01

Family

ID=23427023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7415894A Expired FR2231030B1 (en) 1973-05-22 1974-05-08

Country Status (8)

Country Link
JP (1) JPS571810B2 (en)
CA (1) CA1019611A (en)
DD (1) DD115230A5 (en)
DE (1) DE2424030C2 (en)
FR (1) FR2231030B1 (en)
GB (1) GB1474038A (en)
IT (1) IT1003725B (en)
NL (1) NL7406583A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5747782Y2 (en) * 1978-03-30 1982-10-20
JPS56101131A (en) * 1980-01-17 1981-08-13 Copal Co Ltd Driving circuit of electromagnetic shutter for single-lens reflex camera
JPS56134020U (en) * 1980-12-26 1981-10-12
JPS58149026A (en) * 1982-03-01 1983-09-05 Copal Co Ltd Control circuit of electromagnetically driven program shutter
JPH0625837B2 (en) * 1984-05-09 1994-04-06 株式会社精工舎 Shutter for camera
JPS63188678U (en) * 1987-05-26 1988-12-02
JPS63312142A (en) * 1987-06-15 1988-12-20 Sumitomo Bakelite Co Ltd Decorative sheet of thermosetting resin
JPH02106418U (en) * 1989-02-04 1990-08-23
WO2013181052A1 (en) 2012-05-29 2013-12-05 Siemens Healthcare Diagnostics Inc. Shutter assembly for a luminescence-based sample analyzer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3641889A (en) * 1970-09-02 1972-02-15 Polaroid Corp Exposure control system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
NL7406583A (en) 1974-11-26
JPS571810B2 (en) 1982-01-13
AU6882574A (en) 1975-11-13
IT1003725B (en) 1976-06-10
CA1019611A (en) 1977-10-25
JPS5011432A (en) 1975-02-05
FR2231030B1 (en) 1978-12-01
DE2424030A1 (en) 1974-12-12
DE2424030C2 (en) 1984-08-16
GB1474038A (en) 1977-05-18
DD115230A5 (en) 1975-09-12

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Legal Events

Date Code Title Description
ST Notification of lapse