FR2029021B1 - - Google Patents
Info
- Publication number
- FR2029021B1 FR2029021B1 FR7000880A FR7000880A FR2029021B1 FR 2029021 B1 FR2029021 B1 FR 2029021B1 FR 7000880 A FR7000880 A FR 7000880A FR 7000880 A FR7000880 A FR 7000880A FR 2029021 B1 FR2029021 B1 FR 2029021B1
- 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
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G9/00—Traffic control systems for craft where the kind of craft is irrelevant or unspecified
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
- G02B26/04—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light by periodically varying the intensity of light, e.g. using choppers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Optical Communication System (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE93469 | 1969-01-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2029021A1 FR2029021A1 (US20100154137A1-20100624-C00004.png) | 1970-10-16 |
| FR2029021B1 true FR2029021B1 (US20100154137A1-20100624-C00004.png) | 1974-05-03 |
Family
ID=20257331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7000880A Expired FR2029021B1 (US20100154137A1-20100624-C00004.png) | 1969-01-24 | 1970-01-12 |
Country Status (4)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2186625B1 (US20100154137A1-20100624-C00004.png) * | 1972-05-31 | 1976-01-16 | Barbier Benard Urenne Fr | |
| US3854820A (en) * | 1972-09-13 | 1974-12-17 | Clark Equipment Co | Light reference system for aiding operator positioning of load handling devices and the like |
| US4111564A (en) * | 1973-02-08 | 1978-09-05 | Trice Jr James R | Reference plane production |
| US3966328A (en) * | 1973-10-16 | 1976-06-29 | Aga Aktiebolag | Device for generating a spatial reference plane |
| USRE29025E (en) * | 1974-02-11 | 1976-11-02 | Clark Equipment Company | Method and apparatus for determining elevation |
| US4324140A (en) * | 1980-07-31 | 1982-04-13 | The United States Of America As Represented By The Secretary Of The Navy | Electronically simulated rotating prism for ultrasonic beam scanning |
| FR2516662B1 (fr) * | 1981-11-17 | 1985-10-25 | Thomson Csf | Illuminateur laser utilisable comme balise, notamment pour un systeme d'appui aerien rapproche |
| US4679937A (en) * | 1985-10-18 | 1987-07-14 | Spectra-Physics, Inc. | Self leveling transmitter for laser alignment systems |
| US4674870A (en) * | 1985-10-18 | 1987-06-23 | Spectra-Physics, Inc. | Laser alignment system with modulated field |
| US5200748A (en) * | 1988-01-14 | 1993-04-06 | Attfield Ronald E | Path guidance indication apparatus for vehicles or craft |
| DE4217238C2 (de) * | 1992-05-21 | 1995-03-16 | Mannesmann Ag | Vorrichtung für ein Fotosetzgerät zum Belichten von fotoempfindlichem Belichtungsmaterial |
| US6542304B2 (en) * | 1999-05-17 | 2003-04-01 | Toolz, Ltd. | Laser beam device with apertured reflective element |
| US6657783B1 (en) * | 2000-10-05 | 2003-12-02 | Lucent Technologies Inc. | Method and apparatus for aligning telescopes within a free-space optical communication system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2997598A (en) * | 1954-12-06 | 1961-08-22 | Charles F Gramm | Optical scanning system |
| US3170982A (en) * | 1957-05-24 | 1965-02-23 | Gen Precision Inc | Method of measuring by interference |
| US3426144A (en) * | 1965-09-20 | 1969-02-04 | Xerox Corp | Transceiver apparatus for transmitting and recording optical information |
-
1969
- 1969-12-09 GB GB59988/69A patent/GB1292298A/en not_active Expired
- 1969-12-17 US US885799A patent/US3656828A/en not_active Expired - Lifetime
-
1970
- 1970-01-12 FR FR7000880A patent/FR2029021B1/fr not_active Expired
- 1970-01-23 CH CH98670A patent/CH512746A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2000316B2 (de) | 1972-07-20 |
| FR2029021A1 (US20100154137A1-20100624-C00004.png) | 1970-10-16 |
| DE2000316A1 (de) | 1970-07-30 |
| US3656828A (en) | 1972-04-18 |
| GB1292298A (en) | 1972-10-11 |
| CH512746A (de) | 1971-09-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |