JPS50105838U - - Google Patents
Info
- Publication number
- JPS50105838U JPS50105838U JP1974015638U JP1563874U JPS50105838U JP S50105838 U JPS50105838 U JP S50105838U JP 1974015638 U JP1974015638 U JP 1974015638U JP 1563874 U JP1563874 U JP 1563874U JP S50105838 U JPS50105838 U JP S50105838U
- Authority
- JP
- Japan
- 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
- G03B7/081—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)
- Shutter-Related Mechanisms (AREA)
- Shutters For Cameras (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1974015638U JPS5344992Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-07 | 1974-02-07 | |
| FR7502742A FR2260809B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-07 | 1975-01-29 | |
| GB456775A GB1476541A (en) | 1974-02-07 | 1975-02-03 | Exposure time control circuit for a shutter of a camera |
| DE19752504600 DE2504600A1 (de) | 1974-02-07 | 1975-02-04 | Belichtungszeitsteuerschaltung fuer einen elektronischen kameraverschluss |
| US05/547,401 US3978498A (en) | 1974-02-07 | 1975-02-05 | Exposure time control circuit of shutter of a camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1974015638U JPS5344992Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-07 | 1974-02-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50105838U true JPS50105838U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-08-30 |
| JPS5344992Y2 JPS5344992Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-10-27 |
Family
ID=11894249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1974015638U Expired JPS5344992Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-07 | 1974-02-07 |
Country Status (5)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5892135A (ja) * | 1981-11-28 | 1983-06-01 | Sharp Corp | スイツチ回路 |
| DE3609385A1 (de) * | 1986-03-20 | 1987-09-24 | Licentia Gmbh | Kontroll- und meldeanordnung fuer den lampenausfall in ueberwachungs- und schaltanlagen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3693518A (en) * | 1968-01-02 | 1972-09-26 | Nippon Kogaku Kk | Memory circuit of an electric shutter |
| JPS5038331B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-03-03 | 1975-12-09 |
-
1974
- 1974-02-07 JP JP1974015638U patent/JPS5344992Y2/ja not_active Expired
-
1975
- 1975-01-29 FR FR7502742A patent/FR2260809B1/fr not_active Expired
- 1975-02-03 GB GB456775A patent/GB1476541A/en not_active Expired
- 1975-02-04 DE DE19752504600 patent/DE2504600A1/de not_active Withdrawn
- 1975-02-05 US US05/547,401 patent/US3978498A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2260809B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-09-28 |
| JPS5344992Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-10-27 |
| DE2504600A1 (de) | 1975-08-14 |
| FR2260809A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-09-05 |
| GB1476541A (en) | 1977-06-16 |
| US3978498A (en) | 1976-08-31 |