FR2177475A1 - - Google Patents
Info
- Publication number
- FR2177475A1 FR2177475A1 FR7207424A FR7207424A FR2177475A1 FR 2177475 A1 FR2177475 A1 FR 2177475A1 FR 7207424 A FR7207424 A FR 7207424A FR 7207424 A FR7207424 A FR 7207424A FR 2177475 A1 FR2177475 A1 FR 2177475A1
- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/147—Beam splitting or combining systems operating by reflection only using averaging effects by spatially variable reflectivity on a microscopic level, e.g. polka dots, chequered or discontinuous patterns, or rapidly moving surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/26—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7207424A FR2177475B1 (it) | 1972-03-03 | 1972-03-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7207424A FR2177475B1 (it) | 1972-03-03 | 1972-03-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2177475A1 true FR2177475A1 (it) | 1973-11-09 |
FR2177475B1 FR2177475B1 (it) | 1974-12-13 |
Family
ID=9094558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7207424A Expired FR2177475B1 (it) | 1972-03-03 | 1972-03-03 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2177475B1 (it) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0025397A1 (fr) * | 1979-09-10 | 1981-03-18 | Thomson-Csf | Dispositif illuminateur destiné à fournir un faisceau d'éclairement à distribution d'intensité ajustable et système de transfert de motifs comprenant un tel dispositif |
FR2654215A2 (fr) * | 1988-07-08 | 1991-05-10 | Saint Louis Inst | Anemometre laser a effet doppler. |
-
1972
- 1972-03-03 FR FR7207424A patent/FR2177475B1/fr not_active Expired
Non-Patent Citations (1)
Title |
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NEANT * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0025397A1 (fr) * | 1979-09-10 | 1981-03-18 | Thomson-Csf | Dispositif illuminateur destiné à fournir un faisceau d'éclairement à distribution d'intensité ajustable et système de transfert de motifs comprenant un tel dispositif |
FR2465241A1 (fr) * | 1979-09-10 | 1981-03-20 | Thomson Csf | Dispositif illuminateur destine a fournir un faisceau d'eclairement a distribution d'intensite ajustable et systeme de transfert de motifs comprenant un tel dispositif |
FR2654215A2 (fr) * | 1988-07-08 | 1991-05-10 | Saint Louis Inst | Anemometre laser a effet doppler. |
Also Published As
Publication number | Publication date |
---|---|
FR2177475B1 (it) | 1974-12-13 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |