FR2231030A1 - - Google Patents
Info
- Publication number
- FR2231030A1 FR2231030A1 FR7415894A FR7415894A FR2231030A1 FR 2231030 A1 FR2231030 A1 FR 2231030A1 FR 7415894 A FR7415894 A FR 7415894A FR 7415894 A FR7415894 A FR 7415894A FR 2231030 A1 FR2231030 A1 FR 2231030A1
- 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.)
- Granted
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
- G03B7/091—Digital circuits
- G03B7/095—Digital circuits for control of aperture
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shutters For Cameras (AREA)
- Exposure Control For Cameras (AREA)
- Control Of Stepping Motors (AREA)
- Stroboscope Apparatuses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36266473A | 1973-05-22 | 1973-05-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2231030A1 true FR2231030A1 (en) | 1974-12-20 |
FR2231030B1 FR2231030B1 (en) | 1978-12-01 |
Family
ID=23427023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7415894A Expired FR2231030B1 (en) | 1973-05-22 | 1974-05-08 |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS571810B2 (en) |
CA (1) | CA1019611A (en) |
DD (1) | DD115230A5 (en) |
DE (1) | DE2424030C2 (en) |
FR (1) | FR2231030B1 (en) |
GB (1) | GB1474038A (en) |
IT (1) | IT1003725B (en) |
NL (1) | NL7406583A (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5747782Y2 (en) * | 1978-03-30 | 1982-10-20 | ||
JPS56101131A (en) * | 1980-01-17 | 1981-08-13 | Copal Co Ltd | Driving circuit of electromagnetic shutter for single-lens reflex camera |
JPS56134020U (en) * | 1980-12-26 | 1981-10-12 | ||
JPS58149026A (en) * | 1982-03-01 | 1983-09-05 | Copal Co Ltd | Control circuit of electromagnetically driven program shutter |
JPH0625837B2 (en) * | 1984-05-09 | 1994-04-06 | 株式会社精工舎 | Shutter for camera |
JPS63188678U (en) * | 1987-05-26 | 1988-12-02 | ||
JPS63312142A (en) * | 1987-06-15 | 1988-12-20 | Sumitomo Bakelite Co Ltd | Decorative sheet of thermosetting resin |
JPH02106418U (en) * | 1989-02-04 | 1990-08-23 | ||
WO2013181052A1 (en) | 2012-05-29 | 2013-12-05 | Siemens Healthcare Diagnostics Inc. | Shutter assembly for a luminescence-based sample analyzer |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3641889A (en) * | 1970-09-02 | 1972-02-15 | Polaroid Corp | Exposure control system |
-
1974
- 1974-03-07 IT IT4907074A patent/IT1003725B/en active
- 1974-04-04 JP JP3841974A patent/JPS571810B2/ja not_active Expired
- 1974-05-08 FR FR7415894A patent/FR2231030B1/fr not_active Expired
- 1974-05-14 GB GB2129074A patent/GB1474038A/en not_active Expired
- 1974-05-16 NL NL7406583A patent/NL7406583A/xx not_active Application Discontinuation
- 1974-05-17 DE DE2424030A patent/DE2424030C2/en not_active Expired
- 1974-05-20 DD DD17861974A patent/DD115230A5/xx unknown
- 1974-05-21 CA CA200,376A patent/CA1019611A/en not_active Expired
Non-Patent Citations (1)
Title |
---|
NEANT * |
Also Published As
Publication number | Publication date |
---|---|
NL7406583A (en) | 1974-11-26 |
JPS571810B2 (en) | 1982-01-13 |
AU6882574A (en) | 1975-11-13 |
IT1003725B (en) | 1976-06-10 |
CA1019611A (en) | 1977-10-25 |
JPS5011432A (en) | 1975-02-05 |
FR2231030B1 (en) | 1978-12-01 |
DE2424030A1 (en) | 1974-12-12 |
DE2424030C2 (en) | 1984-08-16 |
GB1474038A (en) | 1977-05-18 |
DD115230A5 (en) | 1975-09-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |