FR2329986B1 - - Google Patents
Info
- Publication number
- FR2329986B1 FR2329986B1 FR7317812A FR7317812A FR2329986B1 FR 2329986 B1 FR2329986 B1 FR 2329986B1 FR 7317812 A FR7317812 A FR 7317812A FR 7317812 A FR7317812 A FR 7317812A FR 2329986 B1 FR2329986 B1 FR 2329986B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/064—Circuit arrangements for actuating electromagnets
-
- 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
- G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
- G01J1/34—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker
- G01J1/36—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker using electric radiation detectors
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Spectrometry And Color Measurement (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS330172A CS154834B1 (enExample) | 1972-05-16 | 1972-05-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2329986A1 FR2329986A1 (fr) | 1977-05-27 |
| FR2329986B1 true FR2329986B1 (enExample) | 1978-03-31 |
Family
ID=5372646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7317812A Granted FR2329986A1 (fr) | 1972-05-16 | 1973-05-16 | Circuit d'alimentation pour bobines d'excitation d'un modulateur magnetique de photometre |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS4950975A (enExample) |
| CS (1) | CS154834B1 (enExample) |
| DE (1) | DE2322955A1 (enExample) |
| FR (1) | FR2329986A1 (enExample) |
| GB (1) | GB1401561A (enExample) |
| IT (1) | IT989016B (enExample) |
| SE (1) | SE390761B (enExample) |
-
1972
- 1972-05-16 CS CS330172A patent/CS154834B1/cs unknown
-
1973
- 1973-05-07 DE DE19732322955 patent/DE2322955A1/de active Pending
- 1973-05-14 GB GB2280673A patent/GB1401561A/en not_active Expired
- 1973-05-15 SE SE7306887A patent/SE390761B/xx unknown
- 1973-05-16 JP JP5453373A patent/JPS4950975A/ja active Pending
- 1973-05-16 IT IT2419873A patent/IT989016B/it active
- 1973-05-16 FR FR7317812A patent/FR2329986A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| IT989016B (it) | 1975-05-20 |
| DE2322955A1 (de) | 1973-11-22 |
| SE390761B (sv) | 1977-01-17 |
| CS154834B1 (enExample) | 1974-04-30 |
| FR2329986A1 (fr) | 1977-05-27 |
| JPS4950975A (enExample) | 1974-05-17 |
| GB1401561A (en) | 1975-07-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |