JPS4950889A - - Google Patents

Info

Publication number
JPS4950889A
JPS4950889A JP47095010A JP9501072A JPS4950889A JP S4950889 A JPS4950889 A JP S4950889A JP 47095010 A JP47095010 A JP 47095010A JP 9501072 A JP9501072 A JP 9501072A JP S4950889 A JPS4950889 A JP S4950889A
Authority
JP
Japan
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
Application number
JP47095010A
Other languages
Japanese (ja)
Other versions
JPS591987B2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP47095010A priority Critical patent/JPS591987B2/en
Priority to US397950A priority patent/US3866221A/en
Publication of JPS4950889A publication Critical patent/JPS4950889A/ja
Publication of JPS591987B2 publication Critical patent/JPS591987B2/en
Expired legal-status Critical Current

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
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • G01S13/781—Secondary Surveillance Radar [SSR] in general
    • G01S13/784—Coders or decoders therefor; Degarbling systems; Defruiting systems

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)
  • Traffic Control Systems (AREA)
JP47095010A 1972-09-18 1972-09-18 Nijikanshireda no Outousingoukenchihoushiki Expired JPS591987B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP47095010A JPS591987B2 (en) 1972-09-18 1972-09-18 Nijikanshireda no Outousingoukenchihoushiki
US397950A US3866221A (en) 1972-09-18 1973-09-17 Beacon decoder system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47095010A JPS591987B2 (en) 1972-09-18 1972-09-18 Nijikanshireda no Outousingoukenchihoushiki

Publications (2)

Publication Number Publication Date
JPS4950889A true JPS4950889A (en) 1974-05-17
JPS591987B2 JPS591987B2 (en) 1984-01-14

Family

ID=14125960

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47095010A Expired JPS591987B2 (en) 1972-09-18 1972-09-18 Nijikanshireda no Outousingoukenchihoushiki

Country Status (2)

Country Link
US (1) US3866221A (en)
JP (1) JPS591987B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56103377A (en) * 1980-01-22 1981-08-18 Nec Corp Detector for secondary radar target
JPS61189032A (en) * 1985-02-15 1986-08-22 Toyo Commun Equip Co Ltd Pulse discriminating method for response signal or the like of transponder
JP2010261813A (en) * 2009-05-07 2010-11-18 Toshiba Corp Expanded squitter receiving device, preamble detection method for expanded squitter, and air traffic control radar

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950704A (en) * 1974-09-12 1976-04-13 The United States Of America As Represented By The Secretary Of The Navy Video retimer system
JPS5353899A (en) * 1976-10-22 1978-05-16 Toyo Communication Equip Aircraft collision prevent system
USRE31375E (en) * 1977-03-04 1983-09-06 Transponder-responder system
US4107675A (en) * 1977-03-04 1978-08-15 Sellers John C Transponder-responder system
NL7804440A (en) * 1978-04-26 1979-10-30 Hollandse Signaalapparaten Bv CODE DETECTOR FOR AN INTERROGATOR-TRANSPONDER SYSTEM.
DE3419999C2 (en) * 1984-05-29 1987-02-12 Karl 7298 Loßburg Hehl Pipe fitting with contact seal
JPH02105686U (en) * 1989-02-08 1990-08-22
US5071345A (en) * 1989-08-30 1991-12-10 Rosen David B Dental crown analog for orthodontic anchorage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3156895A (en) * 1962-07-26 1964-11-10 Paul E Fiske Emergency alarm system for iff systems employing pulse-train decoder
GB1190674A (en) * 1968-03-21 1970-05-06 Cossor Ltd A C Improvements relating to Secondary Radar Systems.
US3512154A (en) * 1968-08-05 1970-05-12 King Radio Corp Method and apparatus for transponder encoding
GB1190675A (en) * 1969-02-14 1970-05-06 Cossor Ltd A C Improvements relating to Secondary Radar Transponders.
US3718926A (en) * 1970-07-31 1973-02-27 Us Navy Instantaneous sidelobe interrogation decode suppressor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56103377A (en) * 1980-01-22 1981-08-18 Nec Corp Detector for secondary radar target
JPS61189032A (en) * 1985-02-15 1986-08-22 Toyo Commun Equip Co Ltd Pulse discriminating method for response signal or the like of transponder
JPH045353B2 (en) * 1985-02-15 1992-01-31
JP2010261813A (en) * 2009-05-07 2010-11-18 Toshiba Corp Expanded squitter receiving device, preamble detection method for expanded squitter, and air traffic control radar

Also Published As

Publication number Publication date
US3866221A (en) 1975-02-11
JPS591987B2 (en) 1984-01-14

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