JPS5113660B2 - - Google Patents
Info
- Publication number
- JPS5113660B2 JPS5113660B2 JP46096140A JP9614071A JPS5113660B2 JP S5113660 B2 JPS5113660 B2 JP S5113660B2 JP 46096140 A JP46096140 A JP 46096140A JP 9614071 A JP9614071 A JP 9614071A JP S5113660 B2 JPS5113660 B2 JP S5113660B2
- 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.)
- 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)
- Control Of Non-Electrical Variables (AREA)
- Control Of Direct Current Motors (AREA)
- Stopping Of Electric Motors (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46096140A JPS5113660B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-11-29 | 1971-11-29 | |
| US00303233A US3809981A (en) | 1971-11-29 | 1972-11-02 | Exposure determining device |
| DE2257878A DE2257878A1 (de) | 1971-11-29 | 1972-11-25 | Belichtungsbestimmungsschaltung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46096140A JPS5113660B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-11-29 | 1971-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4860924A JPS4860924A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-08-27 |
| JPS5113660B2 true JPS5113660B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-05-01 |
Family
ID=14157067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46096140A Expired JPS5113660B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-11-29 | 1971-11-29 |
Country Status (3)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4206394A (en) * | 1975-04-26 | 1980-06-03 | Braun Aktiengesellschaft | Motor control circuit |
| US4204143A (en) * | 1978-09-26 | 1980-05-20 | The United States Of America As Represented By The Secretary Of The Navy | Pulse width modulated power amplifier for direct current motor control |
| JPS5620395U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1979-07-23 | 1981-02-23 | ||
| JPS56157289A (en) * | 1980-05-01 | 1981-12-04 | Olympus Optical Co Ltd | Braking device for motor |
| JPS57172810A (en) * | 1981-04-13 | 1982-10-23 | Diesel Kiki Co Ltd | Control circuit for automobile electromagnetic driving equipment |
| DE102005016278A1 (de) * | 2005-04-08 | 2006-10-12 | Siemens Ag | Vorrichtung zum Steuern eines elektromechanischen Energiewandlers, insbesondere eines Elektromotors und/oder -generators |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2960920A (en) * | 1956-09-10 | 1960-11-22 | Specialties Inc | Photographic equipment and exposure control means therefor |
| US3110851A (en) * | 1960-08-26 | 1963-11-12 | Avco Corp | Transistor servo system |
| US3444446A (en) * | 1965-06-24 | 1969-05-13 | Houdaille Industries Inc | Fine-medium-coarse servomotor position control |
| US3581181A (en) * | 1968-09-13 | 1971-05-25 | Honeywell Inc | Servomotor driving and braking circuit |
| US3662243A (en) * | 1970-11-16 | 1972-05-09 | Outboard Marine Corp | Electrical circuit for steering and throttle control of a marine propulsion device |
-
1971
- 1971-11-29 JP JP46096140A patent/JPS5113660B2/ja not_active Expired
-
1972
- 1972-11-02 US US00303233A patent/US3809981A/en not_active Expired - Lifetime
- 1972-11-25 DE DE2257878A patent/DE2257878A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3809981A (en) | 1974-05-07 |
| JPS4860924A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-08-27 |
| DE2257878A1 (de) | 1973-06-20 |