FR2379074B1 - - Google Patents
Info
- Publication number
- FR2379074B1 FR2379074B1 FR7702305A FR7702305A FR2379074B1 FR 2379074 B1 FR2379074 B1 FR 2379074B1 FR 7702305 A FR7702305 A FR 7702305A FR 7702305 A FR7702305 A FR 7702305A FR 2379074 B1 FR2379074 B1 FR 2379074B1
- 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
- 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
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
- G01S13/767—Responders; Transponders
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 (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7700760,A NL180046C (nl) | 1977-01-26 | 1977-01-26 | Radarbakeninrichting voor reddingsoperaties. |
US05/763,115 US4129868A (en) | 1977-01-26 | 1977-01-27 | Radar beacon apparatus |
FR7702305A FR2379074A1 (fr) | 1977-01-26 | 1977-01-27 | Repondeur radar |
GB3620/77A GB1552044A (en) | 1977-01-26 | 1977-01-28 | Radar transponder apparatus |
DE2703875A DE2703875C2 (de) | 1977-01-26 | 1977-01-31 | Radarbake |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7700760,A NL180046C (nl) | 1977-01-26 | 1977-01-26 | Radarbakeninrichting voor reddingsoperaties. |
US05/763,115 US4129868A (en) | 1977-01-26 | 1977-01-27 | Radar beacon apparatus |
FR7702305A FR2379074A1 (fr) | 1977-01-26 | 1977-01-27 | Repondeur radar |
GB3620/77A GB1552044A (en) | 1977-01-26 | 1977-01-28 | Radar transponder apparatus |
DE2703875A DE2703875C2 (de) | 1977-01-26 | 1977-01-31 | Radarbake |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2379074A1 FR2379074A1 (fr) | 1978-08-25 |
FR2379074B1 true FR2379074B1 (fr) | 1982-11-19 |
Family
ID=27510480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7702305A Granted FR2379074A1 (fr) | 1977-01-26 | 1977-01-27 | Repondeur radar |
Country Status (5)
Country | Link |
---|---|
US (1) | US4129868A (fr) |
DE (1) | DE2703875C2 (fr) |
FR (1) | FR2379074A1 (fr) |
GB (1) | GB1552044A (fr) |
NL (1) | NL180046C (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5814070A (ja) * | 1981-07-20 | 1983-01-26 | Oki Electric Ind Co Ltd | レイマ−ク・ピ−コン装置 |
JPS58148526A (ja) * | 1982-02-26 | 1983-09-03 | Mitsubishi Electric Corp | 救難用信号装置 |
DE3222869C1 (de) * | 1982-06-18 | 1986-07-17 | Dornier System Gmbh, 7990 Friedrichshafen | Vorrichtung zur Erzeugung kuenstlicher Zielmarken in der Abbildung eines Radars mit synthetischer Apertur |
JPH0756511B2 (ja) * | 1984-01-31 | 1995-06-14 | 三菱電機株式会社 | レ−ダ応答装置 |
JP2561930B2 (ja) * | 1987-09-22 | 1996-12-11 | 三菱電機株式会社 | レーダー・トランスポンダ |
GB2265523A (en) * | 1992-03-21 | 1993-09-29 | Richard Morris Trim | Radar transponder for echo enhancement |
JPH06281734A (ja) * | 1993-03-25 | 1994-10-07 | Mitsubishi Electric Corp | レーダ・トランスポンダ |
JPH0755918A (ja) * | 1993-06-30 | 1995-03-03 | Mitsubishi Electric Corp | 捜索救難用レーダ・トランスポンダ |
US5724045A (en) * | 1994-09-22 | 1998-03-03 | Mitsubishi Denki Kabushiki Kaisha | Radar transponder |
JP3106088B2 (ja) * | 1995-05-26 | 2000-11-06 | 三菱電機株式会社 | レーダ・トランスポンダ |
GB2303987B (en) * | 1995-06-29 | 1999-06-16 | Roderick Angel | Manoeuvre signalling radar transponder |
US8483703B2 (en) * | 2005-11-14 | 2013-07-09 | Motorola Solutions, Inc. | Method and apparatus for locating a transceiver |
US8787840B2 (en) * | 2006-05-10 | 2014-07-22 | Robert Bosch Gmbh | Method and system employing wideband signals for RF wakeup |
US20090237290A1 (en) * | 2007-12-19 | 2009-09-24 | Michael Kishinevsky | Radar transponder |
US8063823B2 (en) * | 2008-12-15 | 2011-11-22 | Motorola Solutions, Inc. | Method for generating a location signal |
US8169369B2 (en) * | 2008-12-15 | 2012-05-01 | Motorola Solutions, Inc. | Method and device for generating a location signal |
US20220296985A1 (en) * | 2020-05-11 | 2022-09-22 | Shanelle Chevon Bryant | Portable Snowboard |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB645644A (en) * | 1948-08-05 | 1950-11-08 | Hughes Henry & Son Ltd | Improvements in and relating to radar responder beacons |
FR1127057A (fr) * | 1955-05-12 | 1956-12-07 | Balise répondant à l'interrogation d'un radar | |
FR1210627A (fr) * | 1955-11-15 | 1960-03-09 | South African Council Scientif | Procédé et appareillage pour déterminer des positions relatives par le temps de transmission d'ondes |
US3391404A (en) * | 1959-05-18 | 1968-07-02 | Air Force Usa | Passive data transmission technique utilizing radar echoes |
US3183441A (en) * | 1961-07-12 | 1965-05-11 | Martin Marietta Corp | Transponder automatic frequency control system |
GB1185369A (en) * | 1967-12-13 | 1970-03-25 | Ether Eng Ltd | Improvements in or relating to Radar Transponder Devices. |
US3546695A (en) * | 1969-03-03 | 1970-12-08 | Raytheon Co | Radar transpondor system |
IL36082A (en) * | 1970-03-02 | 1973-07-30 | Motorola Inc | Video processing apparatus |
GB1387114A (en) * | 1970-11-23 | 1975-03-12 | Reliance Sheffield Ltd | Radar transponder |
NL162494C (nl) * | 1973-02-28 | 1980-05-16 | Philips Nv | Inrichting voor het identificeren van voertuigen. |
US3967202A (en) * | 1974-07-25 | 1976-06-29 | Northern Illinois Gas Company | Data transmission system including an RF transponder for generating a broad spectrum of intelligence bearing sidebands |
-
1977
- 1977-01-26 NL NLAANVRAGE7700760,A patent/NL180046C/xx not_active IP Right Cessation
- 1977-01-27 FR FR7702305A patent/FR2379074A1/fr active Granted
- 1977-01-27 US US05/763,115 patent/US4129868A/en not_active Expired - Lifetime
- 1977-01-28 GB GB3620/77A patent/GB1552044A/en not_active Expired
- 1977-01-31 DE DE2703875A patent/DE2703875C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL180046C (nl) | 1986-12-16 |
NL180046B (nl) | 1986-07-16 |
US4129868A (en) | 1978-12-12 |
NL7700760A (nl) | 1978-07-28 |
DE2703875A1 (de) | 1978-08-03 |
GB1552044A (en) | 1979-09-05 |
DE2703875C2 (de) | 1986-02-13 |
FR2379074A1 (fr) | 1978-08-25 |