FR2504683B1 - RADAR DEVICE FOR MEASURING THE DISTANCE FROM WHICH IT SEPARATES FROM AN ANSWERING MACHINE - Google Patents
RADAR DEVICE FOR MEASURING THE DISTANCE FROM WHICH IT SEPARATES FROM AN ANSWERING MACHINEInfo
- Publication number
- FR2504683B1 FR2504683B1 FR8108175A FR8108175A FR2504683B1 FR 2504683 B1 FR2504683 B1 FR 2504683B1 FR 8108175 A FR8108175 A FR 8108175A FR 8108175 A FR8108175 A FR 8108175A FR 2504683 B1 FR2504683 B1 FR 2504683B1
- Authority
- FR
- France
- Prior art keywords
- separates
- measuring
- distance
- radar device
- answering machine
- Prior art date
- 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
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8108175A FR2504683B1 (en) | 1981-04-24 | 1981-04-24 | RADAR DEVICE FOR MEASURING THE DISTANCE FROM WHICH IT SEPARATES FROM AN ANSWERING MACHINE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8108175A FR2504683B1 (en) | 1981-04-24 | 1981-04-24 | RADAR DEVICE FOR MEASURING THE DISTANCE FROM WHICH IT SEPARATES FROM AN ANSWERING MACHINE |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2504683A1 FR2504683A1 (en) | 1982-10-29 |
FR2504683B1 true FR2504683B1 (en) | 1985-08-09 |
Family
ID=9257743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8108175A Expired FR2504683B1 (en) | 1981-04-24 | 1981-04-24 | RADAR DEVICE FOR MEASURING THE DISTANCE FROM WHICH IT SEPARATES FROM AN ANSWERING MACHINE |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2504683B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2565372B1 (en) * | 1984-05-29 | 1987-09-18 | Trt Telecom Radio Electr | DISTANCE MEASUREMENT TERMINAL GUIDANCE OR LOCALIZATION SYSTEM FOR AIRCRAFT |
FR2565355B1 (en) * | 1984-05-29 | 1987-05-15 | Trt Telecom Radio Electr | TERMINAL GUIDANCE OR POSITION ALIGNMENT SYSTEM FOR AIRCRAFT BY MEASUREMENTS OF DISTANCE AND ANGLE |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB522890A (en) * | 1938-11-30 | 1940-07-01 | Ernest George Wild | Improved electrical apparatus for aeroplanes for indicating height as well as distance of solid objects in the plane's path |
US2470787A (en) * | 1944-05-04 | 1949-05-24 | Paul W Nosker | System for determining the position or path of an object in space |
DE886252C (en) * | 1944-12-22 | 1953-08-13 | Blaupunkt Elektronik G M B H | Method for self-steering a body towards a reflector |
US2995746A (en) * | 1952-11-25 | 1961-08-08 | Sperry Rand Corp | Radar system with altitude ambiguity resolver |
US3141161A (en) * | 1959-05-11 | 1964-07-14 | United Aircraft Corp | Calibrated radar altitude control which compensates for changes in ground reflectivity |
GB1272402A (en) * | 1968-08-21 | 1972-04-26 | Pye Limied | Radar installation |
US3836966A (en) * | 1972-10-05 | 1974-09-17 | Us Navy | Dual mode radar system |
US4063240A (en) * | 1976-08-25 | 1977-12-13 | Sperry Rand Corporation | Electronic docking system |
-
1981
- 1981-04-24 FR FR8108175A patent/FR2504683B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2504683A1 (en) | 1982-10-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |