FR2466786B1 - - Google Patents
Info
- Publication number
- FR2466786B1 FR2466786B1 FR7924890A FR7924890A FR2466786B1 FR 2466786 B1 FR2466786 B1 FR 2466786B1 FR 7924890 A FR7924890 A FR 7924890A FR 7924890 A FR7924890 A FR 7924890A FR 2466786 B1 FR2466786 B1 FR 2466786B1
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
- G02B19/0023—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors) at least one surface having optical power
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/005—Diaphragms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Telescopes (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7924890A FR2466786A1 (fr) | 1979-10-05 | 1979-10-05 | Dispositif catadioptre et systeme comportant un tel dispositif |
| DE8080401352T DE3062451D1 (en) | 1979-10-05 | 1980-09-23 | Catadioptical device for use as an optical responder |
| EP80401352A EP0027071B1 (fr) | 1979-10-05 | 1980-09-23 | Dispositif catadioptrique utilisable comme répondeur optique |
| US06/190,380 US4364631A (en) | 1979-10-05 | 1980-09-24 | Catadioptric device intended for an optical responder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7924890A FR2466786A1 (fr) | 1979-10-05 | 1979-10-05 | Dispositif catadioptre et systeme comportant un tel dispositif |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2466786A1 FR2466786A1 (fr) | 1981-04-10 |
| FR2466786B1 true FR2466786B1 (en:Method) | 1983-03-04 |
Family
ID=9230383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7924890A Granted FR2466786A1 (fr) | 1979-10-05 | 1979-10-05 | Dispositif catadioptre et systeme comportant un tel dispositif |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4364631A (en:Method) |
| EP (1) | EP0027071B1 (en:Method) |
| DE (1) | DE3062451D1 (en:Method) |
| FR (1) | FR2466786A1 (en:Method) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5019703A (en) * | 1990-01-25 | 1991-05-28 | Hewlett-Packard Company | Optical scanner with mirror mounted occluding aperture or filter |
| FR2658344B1 (fr) * | 1990-02-09 | 1994-09-23 | Neiman Sa | Systeme de telecommande notamment pour le verrouillage/deverrouillage de portieres pour vehicules automobiles. |
| DE4231895A1 (de) * | 1992-09-21 | 1994-03-24 | Frank Gallert | Konzentrisches Spiegelsystem |
| US5592329A (en) * | 1993-02-03 | 1997-01-07 | Nikon Corporation | Catadioptric optical system |
| US6043863A (en) * | 1996-11-14 | 2000-03-28 | Nikon Corporation | Holder for reflecting member and exposure apparatus having the same |
| AU6000898A (en) | 1997-02-11 | 1998-08-26 | Scientific Generics Limited | Signalling system |
| US8224189B1 (en) | 2007-02-02 | 2012-07-17 | Sunlight Photonics Inc. | Retro-directive target for free-space optical communication and method of producing the same |
| US8912944B2 (en) * | 2011-03-11 | 2014-12-16 | Thomas W. Gow | Human presence detector suitable for concealment and using a shaped microwave beam |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2737850A (en) * | 1952-12-11 | 1956-03-13 | Gen Precision Lab Inc | Wide aperture divergent optical system using spherical mirrors |
| US3049054A (en) * | 1957-11-26 | 1962-08-14 | Waland Robert Louis | Astronomical cameras and optical systems therefor |
| US3180217A (en) * | 1960-01-22 | 1965-04-27 | Aerojet General Co | Cassegrainian type telescope optical system utilizing a coma correcting meniscus |
| US3433960A (en) * | 1966-10-31 | 1969-03-18 | Nasa | Retrodirective optical system |
| US3493294A (en) * | 1967-08-07 | 1970-02-03 | Nasa | Retrodirective modulator |
| US3748015A (en) * | 1971-06-21 | 1973-07-24 | Perkin Elmer Corp | Unit power imaging catoptric anastigmat |
| JPS6039205B2 (ja) * | 1975-07-02 | 1985-09-05 | キヤノン株式会社 | 反射光学系 |
| CA1079809A (en) * | 1976-06-07 | 1980-06-17 | Rca Limited | Retro-reflection communication system |
| FR2378404A1 (fr) * | 1977-01-25 | 1978-08-18 | Thomson Csf | Dispositif emetteur-recepteur de transmission par voie optique, et systeme comportant un tel dispositif |
| FR2380561A1 (fr) * | 1977-02-15 | 1978-09-08 | Thomson Csf | Dispositif de prise de vue de television a bas niveau de lumiere et systeme comportant un tel dispositif |
-
1979
- 1979-10-05 FR FR7924890A patent/FR2466786A1/fr active Granted
-
1980
- 1980-09-23 DE DE8080401352T patent/DE3062451D1/de not_active Expired
- 1980-09-23 EP EP80401352A patent/EP0027071B1/fr not_active Expired
- 1980-09-24 US US06/190,380 patent/US4364631A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2466786A1 (fr) | 1981-04-10 |
| DE3062451D1 (en) | 1983-04-28 |
| EP0027071B1 (fr) | 1983-03-23 |
| EP0027071A1 (fr) | 1981-04-15 |
| US4364631A (en) | 1982-12-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |