NL270378A - - Google Patents
Info
- Publication number
- NL270378A NL270378A NL270378DA NL270378A NL 270378 A NL270378 A NL 270378A NL 270378D A NL270378D A NL 270378DA NL 270378 A NL270378 A NL 270378A
- 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
- G03B27/00—Photographic printing apparatus
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
- H03K17/288—Modifications for introducing a time delay before switching in tube switches
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/26—Measuring, controlling or protecting
- H05G1/30—Controlling
- H05G1/38—Exposure time
- H05G1/42—Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- X-Ray Techniques (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA35907A DE1146366B (de) | 1960-10-28 | 1960-10-28 | Zeitschaltvorrichtung fuer fotografische Geraete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL270378A true NL270378A (en:Method) |
Family
ID=6929312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL270378D NL270378A (en:Method) | 1960-10-28 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3166674A (en:Method) |
| BE (1) | BE609699A (en:Method) |
| DE (1) | DE1146366B (en:Method) |
| GB (1) | GB949517A (en:Method) |
| NL (1) | NL270378A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2803138B1 (en) * | 2012-01-12 | 2020-07-15 | Wallac OY | A method and a switch device for producing an electrical signal in response to mechanical force |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2078677A (en) * | 1932-10-19 | 1937-04-27 | Westinghouse Electric & Mfg Co | Lighting control |
| US2353979A (en) * | 1942-07-04 | 1944-07-18 | Westinghouse Electric & Mfg Co | Measuring system |
| US2472815A (en) * | 1946-08-23 | 1949-06-14 | William D Fleming | Automatic light control |
| BE513475A (fr) * | 1951-08-16 | 1952-08-30 | Westinghouse Electric Corp | minuterie photographique pour intensificateur d'image |
| US2929000A (en) * | 1953-06-29 | 1960-03-15 | Gen Electric | Means for and method of interval timing |
| US2749799A (en) * | 1953-08-13 | 1956-06-12 | Strem Thomas | Photographic exposure timing device |
| US2885563A (en) * | 1954-10-05 | 1959-05-05 | W M Welch Mfg Company | Photographic exposure timer |
| US3033988A (en) * | 1957-04-05 | 1962-05-08 | Edgerton Germeshausen & Grier | Method of and apparatus for the control of electric impulses |
| US2993124A (en) * | 1959-02-02 | 1961-07-18 | Gen Electric | Timing apparatus |
-
0
- NL NL270378D patent/NL270378A/xx unknown
-
1960
- 1960-10-28 DE DEA35907A patent/DE1146366B/de active Pending
-
1961
- 1961-10-24 GB GB38095/61A patent/GB949517A/en not_active Expired
- 1961-10-26 US US147791A patent/US3166674A/en not_active Expired - Lifetime
- 1961-10-27 BE BE609699A patent/BE609699A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE609699A (fr) | 1962-02-15 |
| GB949517A (en) | 1964-02-12 |
| DE1146366B (de) | 1963-03-28 |
| US3166674A (en) | 1965-01-19 |