JPS51107826A - - Google Patents
Info
- Publication number
- JPS51107826A JPS51107826A JP50033195A JP3319575A JPS51107826A JP S51107826 A JPS51107826 A JP S51107826A JP 50033195 A JP50033195 A JP 50033195A JP 3319575 A JP3319575 A JP 3319575A JP S51107826 A JPS51107826 A JP S51107826A
- 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.)
- Pending
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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
- G03B9/36—Sliding rigid plate
- G03B9/40—Double plate
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shutters For Cameras (AREA)
- Exposure Control For Cameras (AREA)
- Shutter-Related Mechanisms (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50033195A JPS51107826A (US07652168-20100126-C00068.png) | 1975-03-19 | 1975-03-19 | |
| US05/666,614 US4072965A (en) | 1975-03-19 | 1976-03-15 | Electronic shutter control circuit |
| DE2611736A DE2611736C3 (de) | 1975-03-19 | 1976-03-19 | Elektrische Stromversorgungsschaltung für elektromagnetischen Kameraverschluß oder Blendenmechanismus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50033195A JPS51107826A (US07652168-20100126-C00068.png) | 1975-03-19 | 1975-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS51107826A true JPS51107826A (US07652168-20100126-C00068.png) | 1976-09-24 |
Family
ID=12379691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50033195A Pending JPS51107826A (US07652168-20100126-C00068.png) | 1975-03-19 | 1975-03-19 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4072965A (US07652168-20100126-C00068.png) |
| JP (1) | JPS51107826A (US07652168-20100126-C00068.png) |
| DE (1) | DE2611736C3 (US07652168-20100126-C00068.png) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4129370A (en) * | 1976-10-08 | 1978-12-12 | Copal Company Limited | Controlling circuit for electric shutters |
| DE2900608A1 (de) * | 1978-01-17 | 1979-07-19 | Fuji Koeki Corp | Stromversorgungseinrichtung |
| US4264162A (en) * | 1978-06-21 | 1981-04-28 | Canon Kabushiki Kaisha | Drive system for electromagnetically driven shutter |
| JPS561927A (en) * | 1979-06-20 | 1981-01-10 | Canon Inc | Driving circuit of electromagnetically driven shutter |
| JPS56125962A (en) * | 1980-03-10 | 1981-10-02 | Canon Inc | Power source voltage detector |
| US4415251A (en) * | 1982-01-21 | 1983-11-15 | Polaroid Corporation | Camera shutter having bobbin driven blades |
| IT1215279B (it) * | 1985-06-10 | 1990-01-31 | Ates Componenti Elettron | Dispositivo elettrico di potenza intelligente a circuito integrato monolitico. |
| US5982639A (en) * | 1997-11-04 | 1999-11-09 | Power Integrations, Inc. | Two switch off-line switching converter |
| US6226190B1 (en) * | 1998-02-27 | 2001-05-01 | Power Integrations, Inc. | Off-line converter with digital control |
| US6876181B1 (en) * | 1998-02-27 | 2005-04-05 | Power Integrations, Inc. | Off-line converter with digital control |
| US6107851A (en) | 1998-05-18 | 2000-08-22 | Power Integrations, Inc. | Offline converter with integrated softstart and frequency jitter |
| US6525514B1 (en) * | 2000-08-08 | 2003-02-25 | Power Integrations, Inc. | Method and apparatus for reducing audio noise in a switching regulator |
| US20040183769A1 (en) * | 2000-09-08 | 2004-09-23 | Earl Schreyer | Graphics digitizer |
| US7233504B2 (en) | 2005-08-26 | 2007-06-19 | Power Integration, Inc. | Method and apparatus for digital control of a switching regulator |
| US20080106917A1 (en) * | 2006-11-02 | 2008-05-08 | James Holt | Variable edge modulation in a switching regulator |
| US8018694B1 (en) | 2007-02-16 | 2011-09-13 | Fairchild Semiconductor Corporation | Over-current protection for a power converter |
| US7719243B1 (en) | 2007-11-21 | 2010-05-18 | Fairchild Semiconductor Corporation | Soft-start system and method for power converter |
| US7872883B1 (en) | 2008-01-29 | 2011-01-18 | Fairchild Semiconductor Corporation | Synchronous buck power converter with free-running oscillator |
| US7723972B1 (en) | 2008-03-19 | 2010-05-25 | Fairchild Semiconductor Corporation | Reducing soft start delay and providing soft recovery in power system controllers |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3275884A (en) * | 1961-09-21 | 1966-09-27 | Bendix Corp | Electrical apparatus for generating current pulses |
| US3248633A (en) * | 1962-11-23 | 1966-04-26 | John J Guarrera | Circuit for controlling electromechanical load |
| CH537241A (de) * | 1971-02-19 | 1973-05-31 | Hilti Ag | Kondensatorentladungs-Bolzenschweissgerät |
| US3831079A (en) * | 1971-06-14 | 1974-08-20 | West Electric Co | Electronic photographic flash apparatus |
-
1975
- 1975-03-19 JP JP50033195A patent/JPS51107826A/ja active Pending
-
1976
- 1976-03-15 US US05/666,614 patent/US4072965A/en not_active Expired - Lifetime
- 1976-03-19 DE DE2611736A patent/DE2611736C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2611736B2 (de) | 1978-09-28 |
| DE2611736A1 (de) | 1976-10-07 |
| DE2611736C3 (de) | 1979-05-31 |
| US4072965A (en) | 1978-02-07 |
