NL184441B - Ondervraag-antwoordstelsel in samenwerking met een primaire radar. - Google Patents

Ondervraag-antwoordstelsel in samenwerking met een primaire radar.

Info

Publication number
NL184441B
NL184441B NLAANVRAGE7414571,A NL7414571A NL184441B NL 184441 B NL184441 B NL 184441B NL 7414571 A NL7414571 A NL 7414571A NL 184441 B NL184441 B NL 184441B
Authority
NL
Netherlands
Prior art keywords
cooperation
answer system
primary radar
inquiry answer
inquiry
Prior art date
Application number
NLAANVRAGE7414571,A
Other languages
English (en)
Other versions
NL184441C (nl
Inventor
Otto Albersdoerfer
Original Assignee
Siemens Ag
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 by Siemens Ag filed Critical Siemens Ag
Publication of NL184441B publication Critical patent/NL184441B/nl
Application granted granted Critical
Publication of NL184441C publication Critical patent/NL184441C/nl

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
    • G01S13/872—Combinations of 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)
NLAANVRAGE7414571,A 1973-11-09 1974-11-08 Ondervraag-antwoordstelsel in samenwerking met een primaire radar. NL184441C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2356064 1973-11-09

Publications (2)

Publication Number Publication Date
NL184441B true NL184441B (nl) 1989-02-16
NL184441C NL184441C (nl) 1989-07-17

Family

ID=5897679

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7414571,A NL184441C (nl) 1973-11-09 1974-11-08 Ondervraag-antwoordstelsel in samenwerking met een primaire radar.

Country Status (5)

Country Link
US (1) US4851849A (nl)
FR (1) FR2627289A1 (nl)
GB (1) GB1605318A (nl)
IT (1) IT1195901B (nl)
NL (1) NL184441C (nl)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2530841C1 (de) * 1975-07-10 1992-03-26 Siemens Ag Abfrage-Antwort-System mit breiter Strahlungscharakteristik,das mit einem Impuls-Ortungsgeraet mit schmaler Strahlungskeule zusammenarbeitet
US5347283A (en) * 1989-06-14 1994-09-13 Hughes Aircraft Company Frequency agile radar
CA2055198A1 (en) * 1991-11-08 1993-05-09 Raymond Carbonneau Optical identification friend-or-foe
US5686722A (en) * 1996-02-28 1997-11-11 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government Selective wavelength identification friend or foe (SWIFF)
CA2189377C (en) * 1996-11-01 2004-07-20 Jacques Dubois Active cooperative tuned identification friend or foe (actiff)
WO1999062196A2 (en) * 1998-05-22 1999-12-02 Koninklijke Philips Electronics N.V. Write/read device for communication with transponders, having first coding means and second coding means
US6695294B2 (en) * 2001-07-20 2004-02-24 Lord Corporation Controlled equilibrium device with displacement dependent spring rates and integral damping
US7489865B2 (en) 2002-02-01 2009-02-10 Cubic Corporation Integrated optical communication and range finding system and applications thereof
US7202943B2 (en) * 2004-03-08 2007-04-10 National Research Council Of Canada Object identification using quantum dots fluorescence allocated on Fraunhofer solar spectral lines
US8049643B2 (en) 2009-02-04 2011-11-01 Pete Ness Vehicle tracking system for vehicle washing
IT1398983B1 (it) * 2010-03-22 2013-03-28 Selex Sistemi Integrati Spa Sistema radar secondario per il controllo del traffico aereo con funzionalita' di sorveglianza primaria.
US9519853B2 (en) 2013-11-01 2016-12-13 James P Tolle Wearable, non-visible identification device for friendly force identification and intruder detection

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312970A (en) * 1941-06-27 1967-04-04 Rca Corp Pulse echo recognition systems
US2595141A (en) * 1946-10-10 1952-04-29 Rca Corp Radio system for aircraft identification
US3108275A (en) * 1960-11-01 1963-10-22 Sierra Research Corp Frequency shift reflection system
US3243801A (en) * 1963-11-19 1966-03-29 Lab For Electronics Inc Radar system for identifying targets
US3755811A (en) * 1968-06-10 1973-08-28 Rca Corp Discriminating signaling system
FR2249345B1 (nl) * 1973-10-25 1979-04-13 Siemens Ag
FR2249346B1 (nl) * 1973-10-25 1979-03-16 Siemens Ag

Also Published As

Publication number Publication date
NL184441C (nl) 1989-07-17
GB1605318A (en) 1989-07-19
US4851849A (en) 1989-07-25
IT1195901B (it) 1988-11-03
FR2627289A1 (fr) 1989-08-18

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Legal Events

Date Code Title Description
BK Erratum

Free format text: IN PAT.BUL. 04/89, CORR: 184442.

V1 Lapsed because of non-payment of the annual fee