BE654880A - - Google Patents
Info
- Publication number
- BE654880A BE654880A BE654880DA BE654880A BE 654880 A BE654880 A BE 654880A BE 654880D A BE654880D A BE 654880DA BE 654880 A BE654880 A BE 654880A
- Authority
- BE
- Belgium
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
- G03B7/085—Analogue circuits for control of aperture
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Details Of Cameras Including Film Mechanisms (AREA)
- Lens Barrels (AREA)
- Diaphragms For Cameras (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1347863A CH418120A (de) | 1963-11-02 | 1963-11-02 | Vollautomatische Blendenregelvorrichtung an einer Kamera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE654880A true BE654880A (de) | 1965-02-15 |
Family
ID=4392785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE654880D BE654880A (de) | 1963-11-02 | 1964-10-27 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3340785A (de) |
| AT (1) | AT257347B (de) |
| BE (1) | BE654880A (de) |
| CH (1) | CH418120A (de) |
| DE (1) | DE1277006B (de) |
| ES (1) | ES305554A1 (de) |
| GB (1) | GB1056120A (de) |
| IL (1) | IL22334A (de) |
| LU (1) | LU47230A1 (de) |
| NL (1) | NL140063B (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3450969A (en) * | 1965-11-06 | 1969-06-17 | Copal Co Ltd | Photo-resistance bridge servomechanism |
| CH454606A (de) * | 1966-07-01 | 1968-04-15 | Compur Werk Gmbh & Co | Elektronisch betriebene Nachlauf-Steuereinrichtung für Blenden von Lichtbildaufnahmegeräten |
| US3500151A (en) * | 1966-10-18 | 1970-03-10 | Phillips Petroleum Co | Search preventative servoamplifiers |
| DE1940998A1 (de) * | 1968-08-21 | 1970-03-19 | Asahi Optical Co Ltd | Vorrichtung zur automatischen Blendensteuerung einer photographischen Kamera |
| US3590356A (en) * | 1969-02-17 | 1971-06-29 | Bendix Corp | Light sensitive servomotor control circuit |
| US3611894A (en) * | 1969-04-22 | 1971-10-12 | Bell & Howell Co | Automatic exposure control system |
| US3767992A (en) * | 1971-08-23 | 1973-10-23 | Lewis Eng Co | Servo apparatus |
| DE2150945B1 (de) * | 1971-10-13 | 1972-09-21 | Robot Foto Electr Kg | Vorrichtung zur automatischen Blendeneinstellung von photographischen Kameras |
| DE2242925A1 (de) * | 1972-08-31 | 1974-03-14 | Agfa Gevaert Ag | Fotografische oder kinematografische kamera |
| US3882522A (en) * | 1973-05-22 | 1975-05-06 | Polaroid Corp | Non-cocking springless shutter developing two parameter exposure regulation |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2683402A (en) * | 1950-05-24 | 1954-07-13 | Specialties Inc | Photocell control system for camera diaphragms |
| US2821639A (en) * | 1954-10-28 | 1958-01-28 | Westinghouse Electric Corp | Transistor switching circuits |
| US3067337A (en) * | 1957-06-03 | 1962-12-04 | Cincinnati Milling Machine Co | Servo amplifier using push-pull, complementary, cascaded, transistors with means to superimpose a higher a. c. frequency on information signal |
| GB854608A (en) * | 1958-01-25 | 1960-11-23 | Gauthier Gmbh A | Photographic camera with automatic exposure setting |
| DE1109519B (de) * | 1958-08-21 | 1961-06-22 | Wirgin Kamerawerk Geb | Automatischer Belichtungsregler fuer photographische Kameras |
| DE1862296U (de) * | 1960-03-22 | 1962-11-15 | Zeiss Ikon Ag | Vorrichtung zur automatischen belichtungsregelung photographischer kameras. |
| GB922016A (en) * | 1960-08-18 | 1963-03-27 | Mini Of Aviat London | Improvements in or relating to photographic cameras |
| US3110851A (en) * | 1960-08-26 | 1963-11-12 | Avco Corp | Transistor servo system |
| FR1283096A (fr) * | 1961-03-09 | 1962-01-27 | Fr Chauvin Arnoux Soc | Dispositif d'asservissement destiné notamment au réglage automatique des diaphragmes pour caméras ou appareils photographiques |
-
1963
- 1963-11-02 CH CH1347863A patent/CH418120A/de unknown
-
1964
- 1964-10-23 AT AT902364A patent/AT257347B/de active
- 1964-10-26 GB GB43476/64A patent/GB1056120A/en not_active Expired
- 1964-10-27 BE BE654880D patent/BE654880A/xx unknown
- 1964-10-27 DE DEB79095A patent/DE1277006B/de active Pending
- 1964-10-27 IL IL22334A patent/IL22334A/en unknown
- 1964-10-28 US US407151A patent/US3340785A/en not_active Expired - Lifetime
- 1964-10-29 LU LU47230A patent/LU47230A1/xx unknown
- 1964-10-30 NL NL646412634A patent/NL140063B/xx unknown
- 1964-10-31 ES ES0305554A patent/ES305554A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1056120A (en) | 1967-01-25 |
| ES305554A1 (es) | 1965-04-01 |
| NL140063B (nl) | 1973-10-15 |
| IL22334A (en) | 1968-07-25 |
| US3340785A (en) | 1967-09-12 |
| NL6412634A (de) | 1965-05-03 |
| AT257347B (de) | 1967-10-10 |
| LU47230A1 (de) | 1965-01-19 |
| CH418120A (de) | 1966-07-31 |
| DE1277006B (de) | 1968-09-05 |