FR2188155B1 - - Google Patents
Info
- Publication number
- FR2188155B1 FR2188155B1 FR7220265A FR7220265A FR2188155B1 FR 2188155 B1 FR2188155 B1 FR 2188155B1 FR 7220265 A FR7220265 A FR 7220265A FR 7220265 A FR7220265 A FR 7220265A FR 2188155 B1 FR2188155 B1 FR 2188155B1
- 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
-
- 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
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
-
- 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
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7220265A FR2188155B1 (ja) | 1972-06-06 | 1972-06-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7220265A FR2188155B1 (ja) | 1972-06-06 | 1972-06-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2188155A1 FR2188155A1 (ja) | 1974-01-18 |
FR2188155B1 true FR2188155B1 (ja) | 1974-12-27 |
Family
ID=9099753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7220265A Expired FR2188155B1 (ja) | 1972-06-06 | 1972-06-06 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2188155B1 (ja) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL155104B (nl) * | 1968-08-14 | 1977-11-15 | Philips Nv | Schakeltoestel voor het voeden van de lichtbron van een fotografisch vergrotingsapparaat. |
-
1972
- 1972-06-06 FR FR7220265A patent/FR2188155B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2188155A1 (ja) | 1974-01-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |