FR2167465A1 - - Google Patents
Info
- Publication number
- FR2167465A1 FR2167465A1 FR7201980A FR7201980A FR2167465A1 FR 2167465 A1 FR2167465 A1 FR 2167465A1 FR 7201980 A FR7201980 A FR 7201980A FR 7201980 A FR7201980 A FR 7201980A FR 2167465 A1 FR2167465 A1 FR 2167465A1
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/005—Diaphragms
-
- 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
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/06—Restricting the angle of incident light
-
- 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
- G01J1/02—Details
- G01J1/0214—Constructional arrangements for removing stray light
-
- 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
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/06—Restricting the angle of incident light
- G01J2001/061—Baffles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7201980A FR2167465B1 (xx) | 1972-01-14 | 1972-01-14 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7201980A FR2167465B1 (xx) | 1972-01-14 | 1972-01-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2167465A1 true FR2167465A1 (xx) | 1973-08-24 |
FR2167465B1 FR2167465B1 (xx) | 1977-01-14 |
Family
ID=9092228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7201980A Expired FR2167465B1 (xx) | 1972-01-14 | 1972-01-14 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2167465B1 (xx) |
-
1972
- 1972-01-14 FR FR7201980A patent/FR2167465B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2167465B1 (xx) | 1977-01-14 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |