NL7100888A - - Google Patents
Info
- Publication number
- NL7100888A NL7100888A NL7100888A NL7100888A NL7100888A NL 7100888 A NL7100888 A NL 7100888A NL 7100888 A NL7100888 A NL 7100888A NL 7100888 A NL7100888 A NL 7100888A NL 7100888 A NL7100888 A NL 7100888A
- Authority
- NL
- Netherlands
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
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B6/00—Internal feedback arrangements for obtaining particular characteristics, e.g. proportional, integral or differential
- G05B6/02—Internal feedback arrangements for obtaining particular characteristics, e.g. proportional, integral or differential electric
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Exposure Control For Cameras (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45006146A JPS4817087B1 (pt) | 1970-01-23 | 1970-01-23 | |
| JP45023942A JPS491208B1 (pt) | 1970-03-19 | 1970-03-19 | |
| JP45043511A JPS4837606B1 (pt) | 1970-05-21 | 1970-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7100888A true NL7100888A (pt) | 1971-07-27 |
Family
ID=27277032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7100888A NL7100888A (pt) | 1970-01-23 | 1971-01-22 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4170411A (pt) |
| NL (1) | NL7100888A (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4521014A (en) * | 1982-09-30 | 1985-06-04 | Sitrick David H | Video game including user visual image |
| US8570181B2 (en) | 2010-03-15 | 2013-10-29 | Siemens Industry, Inc. | Method and apparatus for supervisory circuit for ground fault circuit interrupt device |
| JP6763298B2 (ja) * | 2016-12-27 | 2020-09-30 | セイコーエプソン株式会社 | プリンター |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1497371C3 (de) * | 1965-03-10 | 1974-01-10 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren zur Regelung der Belichtungszeit von Kopiergeräten |
| JPS5025336B1 (pt) * | 1967-11-28 | 1975-08-22 | ||
| US3726200A (en) * | 1969-11-24 | 1973-04-10 | Canon Kk | Electronic shutter for cameras |
| GB1339622A (en) * | 1970-06-16 | 1973-12-05 | Asahi Optical Co Ltd | Electric shutter control circuit for a single-lens reflex camera |
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1971
- 1971-01-22 NL NL7100888A patent/NL7100888A/xx unknown
-
1976
- 1976-12-17 US US05/751,947 patent/US4170411A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2103178B2 (de) | 1975-11-20 |
| US4170411A (en) | 1979-10-09 |
| DE2103178A1 (de) | 1971-12-30 |