FR2111065A5 - - Google Patents
Info
- Publication number
- FR2111065A5 FR2111065A5 FR7136004A FR7136004A FR2111065A5 FR 2111065 A5 FR2111065 A5 FR 2111065A5 FR 7136004 A FR7136004 A FR 7136004A FR 7136004 A FR7136004 A FR 7136004A FR 2111065 A5 FR2111065 A5 FR 2111065A5
- Authority
- FR
- France
- 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.)
- Expired
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702049800 DE2049800A1 (de) | 1970-10-10 | 1970-10-10 | Kamera mit Belichtungsautomatik |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2111065A5 true FR2111065A5 (OSRAM) | 1972-06-02 |
Family
ID=5784722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7136004A Expired FR2111065A5 (OSRAM) | 1970-10-10 | 1971-10-06 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3762287A (OSRAM) |
| CH (1) | CH534890A (OSRAM) |
| DE (1) | DE2049800A1 (OSRAM) |
| FR (1) | FR2111065A5 (OSRAM) |
| IT (1) | IT938604B (OSRAM) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1189376B (de) * | 1963-09-20 | 1965-03-18 | Agfa Ag | Kinematografische Kamera mit einer selbsttaetigen Blendensteuervorrichtung |
| US3351413A (en) * | 1964-04-10 | 1967-11-07 | Elmo Co Ltd | Cinematographic camera with magazine having sensitivity control |
| US3379094A (en) * | 1964-05-25 | 1968-04-23 | Bertram Wilhelm | Light meter |
| US3383566A (en) * | 1964-12-02 | 1968-05-14 | Bell & Howell Co | Diode control of voltage in an exposure control circuit |
| US3394642A (en) * | 1965-06-01 | 1968-07-30 | Elmo Co Ltd | Electrical circuit for automatically controlling an aperture device for a photographic camera |
| US3587421A (en) * | 1967-07-20 | 1971-06-28 | Nippon Kogaku Kk | Electric exposure meter |
| DE6925597U (de) * | 1969-06-27 | 1969-11-06 | Agfa Gevaert Ag | Fotografische kamera mit einer automatischen belichtungsregeleinrichtung, die ein drehspulinstrument mit einem zur abtastung festklemmbaren drehspulzeiger aufweist |
-
1970
- 1970-10-10 DE DE19702049800 patent/DE2049800A1/de active Pending
-
1971
- 1971-10-06 CH CH1450271A patent/CH534890A/de not_active IP Right Cessation
- 1971-10-06 IT IT9710/71A patent/IT938604B/it active
- 1971-10-06 FR FR7136004A patent/FR2111065A5/fr not_active Expired
- 1971-10-06 US US00187046A patent/US3762287A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| IT938604B (it) | 1973-02-10 |
| DE2049800A1 (de) | 1972-04-13 |
| CH534890A (de) | 1973-03-15 |
| US3762287A (en) | 1973-10-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |