FR2189768B1 - - Google Patents
Info
- Publication number
- FR2189768B1 FR2189768B1 FR737319095A FR7319095A FR2189768B1 FR 2189768 B1 FR2189768 B1 FR 2189768B1 FR 737319095 A FR737319095 A FR 737319095A FR 7319095 A FR7319095 A FR 7319095A FR 2189768 B1 FR2189768 B1 FR 2189768B1
- 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
- G03B7/083—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)
- Shutters For Cameras (AREA)
- Details Of Cameras Including Film Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47052309A JPS4910730A (US06633782-20031014-M00005.png) | 1972-05-26 | 1972-05-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2189768A1 FR2189768A1 (US06633782-20031014-M00005.png) | 1974-01-25 |
| FR2189768B1 true FR2189768B1 (US06633782-20031014-M00005.png) | 1974-07-05 |
Family
ID=12911171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR737319095A Expired FR2189768B1 (US06633782-20031014-M00005.png) | 1972-05-26 | 1973-05-25 |
Country Status (5)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3969738A (en) * | 1975-05-05 | 1976-07-13 | Polaroid Corporation | Exposure control system with inertial characteristic |
| US3969739A (en) * | 1975-05-27 | 1976-07-13 | Polaroid Corporation | Exposure control system with selectively presentable inertia member |
| DE2603657C2 (de) * | 1976-01-30 | 1983-02-24 | Agfa-Gevaert Ag, 5090 Leverkusen | Blendenverschluß |
| JPS539836U (US06633782-20031014-M00005.png) * | 1976-07-09 | 1978-01-27 | ||
| US4184760A (en) * | 1977-11-11 | 1980-01-22 | Polaroid Corporation | Scanning shutter blade arrangement with inertial wheel |
| JPS5713991U (US06633782-20031014-M00005.png) * | 1980-06-27 | 1982-01-25 | ||
| JPS5995326U (ja) * | 1982-12-20 | 1984-06-28 | 旭光学工業株式会社 | プログラムシヤツタ機能を有するビデオカメラ用絞装置 |
| JP2539180Y2 (ja) * | 1991-01-23 | 1997-06-25 | 旭光学工業株式会社 | シャッターの開閉制御装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3205795A (en) * | 1961-11-06 | 1965-09-14 | Polaroid Corp | Automatic exposure control device |
| DE1235733B (de) * | 1963-11-23 | 1967-03-02 | Agfa Ag | Fotografische Kamera mit einem zwei nacheinander ablaufende Verschlussglieder umfassenden Verschluss |
| US3630136A (en) * | 1968-06-19 | 1971-12-28 | Hattori Tokeiten Kk | Exposure time adjusting device for electric shutters |
| DE1949353B2 (de) * | 1968-10-03 | 1974-04-18 | K.K. Hattori Tokeiten, Tokio | Elektronischer Kameraverschluß |
| GB1256607A (US06633782-20031014-M00005.png) * | 1968-12-16 | 1971-12-08 | ||
| DE2056121B2 (de) * | 1969-12-16 | 1976-01-15 | KX. Hattori Tokeiten, Tokio | Elektronischer verschluss |
| JPS508660B1 (US06633782-20031014-M00005.png) * | 1970-06-05 | 1975-04-05 |
-
1972
- 1972-05-26 JP JP47052309A patent/JPS4910730A/ja active Pending
-
1973
- 1973-05-24 DE DE2326569A patent/DE2326569A1/de active Pending
- 1973-05-25 GB GB2517073A patent/GB1421383A/en not_active Expired
- 1973-05-25 FR FR737319095A patent/FR2189768B1/fr not_active Expired
- 1973-05-29 US US00364237A patent/US3856393A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2326569A1 (de) | 1973-12-06 |
| FR2189768A1 (US06633782-20031014-M00005.png) | 1974-01-25 |
| GB1421383A (en) | 1976-01-14 |
| US3856393A (en) | 1974-12-24 |
| JPS4910730A (US06633782-20031014-M00005.png) | 1974-01-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |