DD115763A1 - - Google Patents

Info

Publication number: DD115763A1
Authority: DD; German Democratic Republic

Application number

DD178860A

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.)

1974-05-30

Filing date

1974-05-30

Publication date

1975-10-12

1974-05-30 Application filed filed Critical

1974-05-30 Priority to DD178860A priority Critical patent/DD115763A1/xx

1974-11-29 Priority to DE19742456494 priority patent/DE2456494A1/de

1975-02-14 Priority to FR7504684A priority patent/FR2273295B3/fr

1975-05-16 Priority to GB20879/75A priority patent/GB1481651A/en

1975-05-16 Priority to US05/578,319 priority patent/US3997904A/en

1975-10-12 Publication of DD115763A1 publication Critical patent/DD115763A1/xx

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
- 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
- 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

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Indication In Cameras, And Counting Of Exposures (AREA)
Stroboscope Apparatuses (AREA)
Exposure Control For Cameras (AREA)
Length Measuring Devices By Optical Means (AREA)

DD178860A 1974-05-30 1974-05-30 DD115763A1 (de)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
DD178860A DD115763A1 (de)	1974-05-30	1974-05-30
DE19742456494 DE2456494A1 (de)	1974-05-30	1974-11-29	Schaltung zur voranzeige der zu erwartenden belichtungszeit
FR7504684A FR2273295B3 (de)	1974-05-30	1975-02-14
GB20879/75A GB1481651A (en)	1974-05-30	1975-05-16	Camera circuit arrangement for the pre-exposure indication of exposure time
US05/578,319 US3997904A (en)	1974-05-30	1975-05-16	Camera circuit arrangement for the pre-indication of exposure time

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DD178860A DD115763A1 (de)	1974-05-30	1974-05-30

Publications (1)

Publication Number	Publication Date
DD115763A1 true DD115763A1 (de)	1975-10-12

Family

ID=5495984

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD178860A DD115763A1 (de)	1974-05-30	1974-05-30

Country Status (5)

Country	Link
US (1)	US3997904A (de)
DD (1)	DD115763A1 (de)
DE (1)	DE2456494A1 (de)
FR (1)	FR2273295B3 (de)
GB (1)	GB1481651A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5296023A (en) *	1976-02-09	1977-08-12	Fuji Photo Optical Co Ltd	Single lens reflex camera
US4235539A (en) *	1979-01-24	1980-11-25	Polaroid Corporation	Photographic exposure control system utilizing a single photocell for three distinct purposes
FR2655437B1 (fr) *	1989-12-01	1992-10-02	Asahi Kogaku Kk	Dispositif de contacteur de declenchement.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3470798A (en) *	1965-09-27	1969-10-07	Asahi Optical Co Ltd	Automatic exposure control system
DE2011450C3 (de) *	1969-03-14	1975-04-17	Kabushiki Kaisha Koparu, Tokio	Photographische Kamera mit Blitzlichteinrichtung
JPS5122534Y2 (de) *	1971-04-28	1976-06-10
US3765312A (en) *	1971-05-28	1973-10-16	Canon Kk	Exposure control device

1974
- 1974-05-30 DD DD178860A patent/DD115763A1/xx unknown
- 1974-11-29 DE DE19742456494 patent/DE2456494A1/de not_active Withdrawn
1975
- 1975-02-14 FR FR7504684A patent/FR2273295B3/fr not_active Expired
- 1975-05-16 US US05/578,319 patent/US3997904A/en not_active Expired - Lifetime
- 1975-05-16 GB GB20879/75A patent/GB1481651A/en not_active Expired

Also Published As

Publication number	Publication date
US3997904A (en)	1976-12-14
FR2273295A1 (de)	1975-12-26
GB1481651A (en)	1977-08-03
FR2273295B3 (de)	1977-10-28
DE2456494A1 (de)	1975-12-11

Publication	Publication Date	Title
FR2268163B3 (de)	1978-10-06
FI750213A (de)	1975-08-01
FR2259173B1 (de)	1977-03-04
FR2264103B1 (de)	1978-02-24
FR2269697A1 (de)	1975-11-28
FR2261081A1 (de)	1975-09-12
FR2263659A1 (de)	1975-10-03
FR2262210A1 (de)	1975-09-19
FR2265114B1 (de)	1977-11-25
FR2273295B3 (de)	1977-10-28
FR2265085A1 (de)	1976-10-08
FR2263093A1 (de)	1975-10-03
CH579414A5 (de)	1976-09-15
BG20724A1 (de)	1975-12-20
BG20519A1 (de)	1975-12-05
BG20468A1 (de)	1975-12-05
BG20462A1 (de)	1975-12-05
BG20454A1 (de)	1975-12-05
BG20451A1 (de)	1975-12-05
BG20224A1 (de)	1975-11-05
BG20660A1 (de)	1975-12-20
BG20518A1 (de)	1975-12-05
AU480470A (de)	1975-01-30
BG20950A1 (de)	1976-01-20
BG20944A1 (de)	1977-05-20