CH575659A5 - - Google Patents
Info
- Publication number
- CH575659A5 CH575659A5 CH131174A CH131174A CH575659A5 CH 575659 A5 CH575659 A5 CH 575659A5 CH 131174 A CH131174 A CH 131174A CH 131174 A CH131174 A CH 131174A CH 575659 A5 CH575659 A5 CH 575659A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/08—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
- H01L31/09—Devices sensitive to infrared, visible or ultraviolet radiation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39730873A | 1973-09-14 | 1973-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH575659A5 true CH575659A5 (en) | 1976-05-14 |
Family
ID=23570683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH131174A CH575659A5 (en) | 1973-09-14 | 1974-01-31 |
Country Status (9)
| Country | Link |
|---|---|
| JP (2) | JPS5057482A (en) |
| BE (1) | BE810459A (en) |
| CA (1) | CA1022659A (en) |
| CH (1) | CH575659A5 (en) |
| DE (1) | DE2404645A1 (en) |
| FR (1) | FR2246075B1 (en) |
| GB (1) | GB1457343A (en) |
| IT (1) | IT1002816B (en) |
| NL (1) | NL7401317A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2652608C3 (en) * | 1976-11-19 | 1979-12-13 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Arrangement for regulating the output power of a semiconductor laser |
| JPS5734535A (en) * | 1980-08-12 | 1982-02-24 | Mamiya Koki Kk | Photometric method in camera |
| JPS6032031A (en) * | 1983-08-03 | 1985-02-19 | Canon Inc | Photographing device |
| JPS60167534A (en) * | 1984-02-10 | 1985-08-30 | Fujitsu Ltd | Light branching photoelectric transducer |
| US4745426A (en) * | 1985-10-04 | 1988-05-17 | Canon Kabushiki Kaisha | Light measuring device for a camera |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4125387Y1 (en) * | 1964-10-09 | 1966-12-27 | ||
| JPS4826981A (en) * | 1971-07-23 | 1973-04-09 |
-
1974
- 1974-01-31 CH CH131174A patent/CH575659A5/xx not_active IP Right Cessation
- 1974-01-31 BE BE140425A patent/BE810459A/en not_active IP Right Cessation
- 1974-01-31 IT IT4806374A patent/IT1002816B/en active
- 1974-01-31 JP JP49012284A patent/JPS5057482A/ja active Pending
- 1974-01-31 NL NL7401317A patent/NL7401317A/en active Search and Examination
- 1974-01-31 GB GB454774A patent/GB1457343A/en not_active Expired
- 1974-01-31 DE DE19742404645 patent/DE2404645A1/en not_active Withdrawn
- 1974-01-31 FR FR7403263A patent/FR2246075B1/fr not_active Expired
- 1974-01-31 CA CA191,422A patent/CA1022659A/en not_active Expired
-
1982
- 1982-08-10 JP JP12066682U patent/JPS5860243U/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5057482A (en) | 1975-05-19 |
| NL7401317A (en) | 1975-03-18 |
| IT1002816B (en) | 1976-05-20 |
| JPS5860243U (en) | 1983-04-23 |
| DE2404645A1 (en) | 1975-03-27 |
| FR2246075A1 (en) | 1975-04-25 |
| FR2246075B1 (en) | 1978-01-06 |
| BE810459A (en) | 1974-07-31 |
| CA1022659A (en) | 1977-12-13 |
| GB1457343A (en) | 1976-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |