DE319798T1 - Belichtungskontrolle mit fester belichtungszeit bei hohem leuchtniveau. - Google Patents

Belichtungskontrolle mit fester belichtungszeit bei hohem leuchtniveau.

Info

Publication number: DE319798T1
Authority: DE; Germany
Prior art keywords: high light; light level; fixed; exposure; exposure time
Prior art date: 1987-12-07
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.): Pending

Application number

DE198888119690T

Other languages

English (en)

Inventor

John B. Cohasset Ma 02025 Us Millard

George D. Lexington Ma 02173 Us Whiteside

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.)

1987-12-07

Filing date

1988-11-25

Publication date

1989-10-05

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22440188&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE319798(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1988-11-25 Application filed by Polaroid Corp filed Critical Polaroid Corp

1989-10-05 Publication of DE319798T1 publication Critical patent/DE319798T1/de

Status Pending 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

DE198888119690T 1987-12-07 1988-11-25 Belichtungskontrolle mit fester belichtungszeit bei hohem leuchtniveau. Pending DE319798T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/129,483 US4779118A (en)	1987-12-07	1987-12-07	Exposure control with fixed time exposure at high light levels

Publications (1)

Publication Number	Publication Date
DE319798T1 true DE319798T1 (de)	1989-10-05

Family

ID=22440188

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
DE198888119690T Pending DE319798T1 (de)	1987-12-07	1988-11-25	Belichtungskontrolle mit fester belichtungszeit bei hohem leuchtniveau.
DE19883889639 Expired - Fee Related DE3889639T3 (de)	1987-12-07	1988-11-25	Belichtungskontrolle mit fester Belichtungszeit bei hohem Leuchtniveau.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
DE19883889639 Expired - Fee Related DE3889639T3 (de)	1987-12-07	1988-11-25	Belichtungskontrolle mit fester Belichtungszeit bei hohem Leuchtniveau.

Country Status (5)

Country	Link
US (1)	US4779118A (de)
EP (1)	EP0319798B2 (de)
JP (1)	JP2907432B2 (de)
CA (1)	CA1326526C (de)
DE (2)	DE319798T1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5049916A (en) *	1990-08-23	1991-09-17	Eastman Kodak Company	Automatic optimization of photographic exposure parameters through determination and utilization of extra system speed
JP4591325B2 (ja) *	2005-01-28	2010-12-01	カシオ計算機株式会社	撮像装置及びプログラム
US10552961B2 (en) *	2016-12-19	2020-02-04	Htc Corporation	Method, device, and non-transitory computer readable storage medium for object tracking

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US444478A (en) *		1891-01-13		Oliver anderson
JPS5426893B1 (de) *	1970-04-07	1979-09-06
JPS5312608Y2 (de) *	1972-08-31	1978-04-05
US3942183A (en) *	1974-07-02	1976-03-02	Polaroid Corporation	Camera with pivoting blades
US4192587A (en) *	1978-11-13	1980-03-11	Polaroid Corporation	Proportional fill flash
US4315676A (en) *	1978-11-13	1982-02-16	Polaroid Corporation	Camera with auto ranging focusing and flash fire control
US4345825A (en) *	1979-12-13	1982-08-24	Eastman Kodak Company	Apparatus for automatic control of a photographic camera
US4329031A (en) *	1981-02-02	1982-05-11	Polaroid Corporation	Photographic system for varying flash fire aperture as a function of ambient scene light
US4342506A (en) *	1981-02-20	1982-08-03	Polaroid Corporation	Exposure trim mechanism for cameras
US4375322A (en) *	1981-05-11	1983-03-01	Polaroid Corporation	Full range variable proportional fill flash system
US4354748A (en) *	1981-06-22	1982-10-19	Polaroid Corporation	Photographic exposure system with computer controlled strobe unit
US4423936A (en) *	1982-07-26	1984-01-03	Polaroid Corporation	Photographic exposure control system and method
US4534639A (en) *	1982-12-21	1985-08-13	Canon Kabushiki Kaisha	Camera having an exposure mode change-over device
US4445763A (en) *	1982-12-28	1984-05-01	Polaroid Corporation	Hybrid camera arrangement
JPS59161128U (ja) *	1983-04-14	1984-10-29	オリンパス光学工業株式会社	プログラム自動露出制御回路

1987
- 1987-12-07 US US07/129,483 patent/US4779118A/en not_active Expired - Lifetime
1988
- 1988-11-25 DE DE198888119690T patent/DE319798T1/de active Pending
- 1988-11-25 DE DE19883889639 patent/DE3889639T3/de not_active Expired - Fee Related
- 1988-11-25 EP EP19880119690 patent/EP0319798B2/de not_active Expired - Lifetime
- 1988-12-06 CA CA 585051 patent/CA1326526C/en not_active Expired - Fee Related
- 1988-12-06 JP JP30709288A patent/JP2907432B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE3889639D1 (de)	1994-06-23
DE3889639T2 (de)	1994-09-08
US4779118A (en)	1988-10-18
EP0319798B1 (de)	1994-05-18
EP0319798A3 (de)	1991-07-17
JPH01271731A (ja)	1989-10-30
EP0319798B2 (de)	1998-05-20
CA1326526C (en)	1994-01-25
EP0319798A2 (de)	1989-06-14
JP2907432B2 (ja)	1999-06-21
DE3889639T3 (de)	1998-08-06

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