CH599543A5 - - Google Patents
Info
- Publication number
- CH599543A5 CH599543A5 CH1298876A CH1298876A CH599543A5 CH 599543 A5 CH599543 A5 CH 599543A5 CH 1298876 A CH1298876 A CH 1298876A CH 1298876 A CH1298876 A CH 1298876A CH 599543 A5 CH599543 A5 CH 599543A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J1/18—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors using comparison with a reference electric value
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT04849/75A IT1048562B (it) | 1975-10-16 | 1975-10-16 | Circuito di misura per un fotometro |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH599543A5 true CH599543A5 (US08197722-20120612-C00093.png) | 1978-05-31 |
Family
ID=11114971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1298876A CH599543A5 (US08197722-20120612-C00093.png) | 1975-10-16 | 1976-10-14 |
Country Status (5)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4201472A (en) * | 1977-04-04 | 1980-05-06 | Hitachi, Ltd. | Apparatus for converting light signals into digital electrical signals |
| JPS5651630A (en) * | 1979-09-24 | 1981-05-09 | Pfizer | Method of and apparatus for compensating photoelectric tranducer for dark current |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2331191C2 (de) * | 1972-06-24 | 1984-06-07 | Durst AG, Fabrik Fototechnischer Apparate, Bozen | Lichtmeßgerät |
-
1975
- 1975-10-16 IT IT04849/75A patent/IT1048562B/it active
-
1976
- 1976-03-16 DE DE19762611094 patent/DE2611094A1/de not_active Withdrawn
- 1976-10-01 US US05/728,847 patent/US4087186A/en not_active Expired - Lifetime
- 1976-10-14 CH CH1298876A patent/CH599543A5/xx not_active IP Right Cessation
- 1976-10-18 GB GB43117/76A patent/GB1563127A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1563127A (en) | 1980-03-19 |
| US4087186A (en) | 1978-05-02 |
| DE2611094A1 (de) | 1977-04-21 |
| IT1048562B (it) | 1980-12-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |