AU1489192A - Exposure control apparatus of camera - Google Patents

Exposure control apparatus of camera

Info

Publication number: AU1489192A
Authority: AU; Australia
Prior art keywords: camera; control apparatus; exposure control; exposure; control
Prior art date: 1991-04-15
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

AU14891/92A

Other versions

AU649804B2 (en

Inventor

Isamu Hirai

Toshiyuki Kitazawa

Nobuhiko Matsudo

Satoshi Nakano

Osamu Sato

Takayuki Sensui

Takenao Shishikura

Akio Takahashi

Masato Yamamoto

Toshimasa Yamanaka

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.)

1991-04-15

Filing date

1992-04-14

Publication date

1992-10-22

1991-05-21 Priority claimed from JP3214834A external-priority patent/JP2997343B2/en

1991-11-28 Priority claimed from JP03361198A external-priority patent/JP3100724B2/en

1992-04-14 Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd

1992-10-22 Publication of AU1489192A publication Critical patent/AU1489192A/en

1994-06-02 Application granted granted Critical

1994-06-02 Publication of AU649804B2 publication Critical patent/AU649804B2/en

2012-04-14 Anticipated expiration legal-status Critical

Status Ceased 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
- G03B17/18—Signals indicating condition of a camera member or suitability of light
- G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Exposure Control For Cameras (AREA)

AU14891/92A 1991-04-15 1992-04-14 Exposure control apparatus of camera Ceased AU649804B2 (en)

Applications Claiming Priority (6)

Application Number	Priority Date	Filing Date	Title
JP17349591		1991-04-15
JP3-173495		1991-04-15
JP3214834A JP2997343B2 (en)	1991-05-21	1991-05-21	Camera exposure control device
JP3-214834		1991-05-21
JP03361198A JP3100724B2 (en)	1991-04-15	1991-11-28	Camera exposure control device
JP3-361198		1991-11-28

Publications (2)

Publication Number	Publication Date
AU1489192A true AU1489192A (en)	1992-10-22
AU649804B2 AU649804B2 (en)	1994-06-02

Family

ID=27323788

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU14891/92A Ceased AU649804B2 (en)	1991-04-15	1992-04-14	Exposure control apparatus of camera

Country Status (7)

Country	Link
AU (1)	AU649804B2 (en)
CA (1)	CA2066064C (en)
DE (1)	DE4212660C2 (en)
FR (1)	FR2675277B1 (en)
GB (1)	GB2256060B (en)
HK (1)	HK36495A (en)
MY (1)	MY110099A (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1185055B (en) *	1958-08-26	1965-01-07	Agfa Ag	Photographic camera with a device for controlling the aperture and exposure time setting according to a predetermined program
US4103307A (en) *	1973-07-16	1978-07-25	Canon Kabushiki Kaisha	Exposure control device
GB1552597A (en) *	1975-10-09	1979-09-19	Haskell R	Camera controller
JPS5478124A (en) *	1977-12-03	1979-06-22	Nippon Chemical Ind	Automatic exposure control camera display unit
JPS54151445A (en) *	1978-05-19	1979-11-28	Canon Inc	Camera
JPS5624326A (en) *	1979-08-07	1981-03-07	Canon Inc	Camera of program system
JPS60173526A (en) *	1984-02-20	1985-09-06	Asahi Optical Co Ltd	Automatic exposure camera
US4653893A (en) *	1984-09-03	1987-03-31	Minolta Camera Co., Ltd.	Camera exposure calculating device
US4792823A (en) *	1985-06-27	1988-12-20	Minolta Camera Kabushiki Kaisha	Camera and camera system
JPH0785154B2 (en) *	1986-03-14	1995-09-13	オリンパス光学工業株式会社	Camera program exposure characteristic setting method and setting apparatus

1992
- 1992-04-14 CA CA 2066064 patent/CA2066064C/en not_active Expired - Fee Related
- 1992-04-14 AU AU14891/92A patent/AU649804B2/en not_active Ceased
- 1992-04-15 GB GB9208332A patent/GB2256060B/en not_active Expired - Fee Related
- 1992-04-15 MY MYPI92000648A patent/MY110099A/en unknown
- 1992-04-15 FR FR9204619A patent/FR2675277B1/en not_active Expired - Fee Related
- 1992-04-15 DE DE19924212660 patent/DE4212660C2/en not_active Expired - Lifetime
1995
- 1995-03-16 HK HK36495A patent/HK36495A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
AU649804B2 (en)	1994-06-02
FR2675277B1 (en)	1995-01-20
HK36495A (en)	1995-03-24
CA2066064A1 (en)	1992-10-16
GB2256060A (en)	1992-11-25
GB2256060B (en)	1994-07-13
FR2675277A1 (en)	1992-10-16
CA2066064C (en)	2001-07-31
DE4212660C2 (en)	1997-11-06
DE4212660A1 (en)	1992-10-22
MY110099A (en)	1998-01-27
GB9208332D0 (en)	1992-06-03

Publication	Publication Date	Title
EP0444417A3 (en)	1991-11-27	Exposure control for video camera
GB2251704B (en)	1994-07-20	Video camera control apparatus
EP0579404A3 (en)	1994-08-17	Lens control apparatus
EP0464653A3 (en)	1992-07-15	Film feed control device of camera
GB9008290D0 (en)	1990-06-13	Control apparatus for focus and shutter of camera
GB2241588B (en)	1994-09-28	Exposure control device for camera
GB9208330D0 (en)	1992-06-03	Exposure control apparatus of camera
AU1489092A (en)	1992-10-22	Exposure control apparatus of camera
AU1489292A (en)	1992-10-22	Exposure control apparatus of camera
GB2258540B (en)	1993-04-21	Exposure control apparatus of camera
GB2253718B (en)	1994-05-04	Controlling photographic exposure
GB9314705D0 (en)	1993-08-25	Exposure control apparatus of a camera
AU1490392A (en)	1992-10-22	Exposure control apparatus of camera
AU1489192A (en)	1992-10-22	Exposure control apparatus of camera
GB9110588D0 (en)	1991-07-03	Remote control apparatus of camera
GB9207556D0 (en)	1992-05-20	Photometering apparatus of camera
GB9210808D0 (en)	1992-07-08	Device for controlling zooming during exposure
GB2295239A8 (en)	1997-08-22	Exposure control apparatus of a camera
GB2274173B (en)	1994-09-28	Exposure control device for camera
GB9111305D0 (en)	1991-07-17	Camera control apparatus
GB2265989B (en)	1994-01-05	Control apparatus of focus and shutter of camera
SG38394G (en)	1994-10-28	Camera apparatus for preventing double exposure