FR2647230B1 - EXPOSURE CONTROL SYSTEM FOR A CAMERA HAVING INTERVAL MODE - Google Patents

EXPOSURE CONTROL SYSTEM FOR A CAMERA HAVING INTERVAL MODE

Info

Publication number
FR2647230B1
FR2647230B1 FR9001612A FR9001612A FR2647230B1 FR 2647230 B1 FR2647230 B1 FR 2647230B1 FR 9001612 A FR9001612 A FR 9001612A FR 9001612 A FR9001612 A FR 9001612A FR 2647230 B1 FR2647230 B1 FR 2647230B1
Authority
FR
France
Prior art keywords
camera
control system
exposure control
interval mode
interval
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 - Fee Related
Application number
FR9001612A
Other languages
French (fr)
Other versions
FR2647230A1 (en
Inventor
Kobayashi Takeo
Nishida Takao
Tabata Yasushi
Numako Norio
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2647230A1 publication Critical patent/FR2647230A1/en
Application granted granted Critical
Publication of FR2647230B1 publication Critical patent/FR2647230B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03B7/097—Digital circuits for control of both exposure time and aperture
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/38—Releasing-devices separate from shutter
    • G03B17/40—Releasing-devices separate from shutter with delayed or timed action
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Lens Barrels (AREA)
  • Stroboscope Apparatuses (AREA)
FR9001612A 1989-02-10 1990-02-12 EXPOSURE CONTROL SYSTEM FOR A CAMERA HAVING INTERVAL MODE Expired - Fee Related FR2647230B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1031318A JP2842604B2 (en) 1989-02-10 1989-02-10 Exposure control device for camera with interval function

Publications (2)

Publication Number Publication Date
FR2647230A1 FR2647230A1 (en) 1990-11-23
FR2647230B1 true FR2647230B1 (en) 1994-02-25

Family

ID=12327928

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9001612A Expired - Fee Related FR2647230B1 (en) 1989-02-10 1990-02-12 EXPOSURE CONTROL SYSTEM FOR A CAMERA HAVING INTERVAL MODE

Country Status (4)

Country Link
JP (1) JP2842604B2 (en)
DE (1) DE4004004C2 (en)
FR (1) FR2647230B1 (en)
GB (1) GB2229282B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2065984C (en) * 1991-04-15 2001-07-31 Osamu Sato Exposure control apparatus of camera
JP5335202B2 (en) * 2007-06-05 2013-11-06 キヤノン株式会社 Imaging apparatus and control method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57192932A (en) * 1981-05-23 1982-11-27 Canon Inc Interval camera
JPS59170826A (en) * 1983-03-17 1984-09-27 Olympus Optical Co Ltd Remote controller of motor-driven camera
JPS6059326A (en) * 1983-09-12 1985-04-05 Fuji Photo Film Co Ltd Strobe incorporated camera capable of daylight synchronized flash photography
JPS60134567A (en) * 1983-12-22 1985-07-17 Canon Inc Image pickup device

Also Published As

Publication number Publication date
GB2229282A (en) 1990-09-19
GB9003006D0 (en) 1990-04-04
JP2842604B2 (en) 1999-01-06
GB2229282B (en) 1993-09-29
JPH02210421A (en) 1990-08-21
DE4004004A1 (en) 1990-08-16
DE4004004C2 (en) 1994-02-24
FR2647230A1 (en) 1990-11-23

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Legal Events

Date Code Title Description
RM Correction of a material error
ST Notification of lapse

Effective date: 20061031