CH545978A - - Google Patents
Info
- Publication number
- CH545978A CH545978A CH928072A CH545978DA CH545978A CH 545978 A CH545978 A CH 545978A CH 928072 A CH928072 A CH 928072A CH 545978D A CH545978D A CH 545978DA CH 545978 A CH545978 A CH 545978A
- Authority
- CH
- Switzerland
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
- G03B7/081—Analogue circuits
- G03B7/083—Analogue circuits for control of exposure time
-
- 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/58—Means for varying duration of "open" period of shutter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Control Of Exposure In Printing And Copying (AREA)
- X-Ray Techniques (AREA)
- Stroboscope Apparatuses (AREA)
- Shutter-Related Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18733171A | 1971-10-07 | 1971-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH545978A true CH545978A (de) | 1974-02-15 |
Family
ID=22688539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH928072A CH545978A (de) | 1971-10-07 | 1972-06-21 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3711721A (de) |
| JP (1) | JPS5522769B2 (de) |
| AT (1) | AT327680B (de) |
| CA (1) | CA976400A (de) |
| CH (1) | CH545978A (de) |
| FR (1) | FR2155584A5 (de) |
| GB (1) | GB1409315A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4963430A (de) * | 1972-10-17 | 1974-06-19 | ||
| GB1452110A (en) * | 1972-10-06 | 1976-10-13 | Asahi Optical Co Ltd | Electric shutter control arrangement of frequency conversion type |
| DE2434995A1 (de) * | 1974-07-20 | 1976-02-05 | Agfa Gevaert Ag | Fotografische kamera mit einer elektronischen belichtungssteuerung |
| US4264163A (en) * | 1979-01-29 | 1981-04-28 | Eastman Kodak Company | Exposure control apparatus with compensation for film reciprocity failure |
| JPS5652731A (en) * | 1979-10-05 | 1981-05-12 | Olympus Optical Co Ltd | Camera |
| JPS5789748A (en) * | 1980-11-25 | 1982-06-04 | Dainippon Screen Mfg Co Ltd | Exposure time controlling method of picture copying device |
| JPS58175535U (ja) * | 1982-05-19 | 1983-11-24 | コニカ株式会社 | Ｃｒｔ画像撮影装置 |
| JPS5986037A (ja) * | 1982-11-08 | 1984-05-18 | Fuji Photo Film Co Ltd | 写真焼付露光量制御装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB864320A (en) * | 1957-11-07 | 1961-04-06 | Zeiss Stiftung | Automatic photo-electric exposure control device |
-
1971
- 1971-10-07 US US00187331A patent/US3711721A/en not_active Expired - Lifetime
-
1972
- 1972-06-14 CA CA144,696A patent/CA976400A/en not_active Expired
- 1972-06-21 CH CH928072A patent/CH545978A/xx not_active IP Right Cessation
- 1972-06-29 AT AT561072A patent/AT327680B/de active
- 1972-08-30 JP JP8636872A patent/JPS5522769B2/ja not_active Expired
- 1972-09-18 GB GB4307672A patent/GB1409315A/en not_active Expired
- 1972-09-26 FR FR7235237A patent/FR2155584A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1409315A (en) | 1975-10-08 |
| FR2155584A5 (de) | 1973-05-18 |
| JPS5522769B2 (de) | 1980-06-19 |
| AT327680B (de) | 1976-02-10 |
| DE2228829B2 (de) | 1975-05-28 |
| ATA561072A (de) | 1975-04-15 |
| JPS4846329A (de) | 1973-07-02 |
| US3711721A (en) | 1973-01-16 |
| CA976400A (en) | 1975-10-21 |
| DE2228829A1 (de) | 1973-04-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUE | Assignment |
Owner name: WARNER LAMBERT TECHNOLOGIES, INC. |
|
| PL | Patent ceased |