GB1258996A - - Google Patents

Info

Publication number
GB1258996A
GB1258996A GB1258996DA GB1258996A GB 1258996 A GB1258996 A GB 1258996A GB 1258996D A GB1258996D A GB 1258996DA GB 1258996 A GB1258996 A GB 1258996A
Authority
GB
United Kingdom
Prior art keywords
pulses
pulse
generator
signal
switch
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
Application number
Other languages
English (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
Publication of GB1258996A publication Critical patent/GB1258996A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB1258996D 1968-11-13 1969-11-13 Expired GB1258996A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77536068A 1968-11-13 1968-11-13

Publications (1)

Publication Number Publication Date
GB1258996A true GB1258996A (enrdf_load_stackoverflow) 1972-01-05

Family

ID=25104156

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1258996D Expired GB1258996A (enrdf_load_stackoverflow) 1968-11-13 1969-11-13

Country Status (6)

Country Link
US (1) US3521281A (enrdf_load_stackoverflow)
CH (1) CH499840A (enrdf_load_stackoverflow)
DE (1) DE1956311A1 (enrdf_load_stackoverflow)
FR (1) FR2023173A1 (enrdf_load_stackoverflow)
GB (1) GB1258996A (enrdf_load_stackoverflow)
NL (1) NL6916849A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1171575B (it) * 1981-10-06 1987-06-10 Selenia Ind Elettroniche Perfezionamento nei sistemi radar del tipo a risposta in particolare del tipo ssr
DE19756364A1 (de) * 1997-12-18 1999-06-24 Cit Alcatel Überwachung der Phasenlage von Course- und Clearance-Signalen bei einem Instrumentenlandesystem
DE202009006912U1 (de) 2009-05-13 2010-04-22 Hera Gmbh & Co. Kg Reflektor an Leuchtstoffröhre

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2412703A (en) * 1941-08-29 1946-12-17 Rca Corp Radio locator device
US3230348A (en) * 1951-09-01 1966-01-18 Sperry Rand Corp Missile guidance system
US3095538A (en) * 1960-10-28 1963-06-25 Silberstein Richard Satellite relay station using antenna diversity selection
US3336591A (en) * 1964-12-21 1967-08-15 Sierra Research Corp One-way range and azimuth system for stationkeeping

Also Published As

Publication number Publication date
FR2023173A1 (enrdf_load_stackoverflow) 1970-08-07
DE1956311A1 (de) 1970-05-27
US3521281A (en) 1970-07-21
CH499840A (de) 1970-11-30
NL6916849A (enrdf_load_stackoverflow) 1970-05-15

Similar Documents

Publication Publication Date Title
US4315609A (en) Target locating and missile guidance system
US4151526A (en) Obstacle detecting radar apparatus for a motor vehicle or the like
US3544995A (en) Navigation method with the aid of satellites
GB1298032A (en) Surface vehicle communication and location
US2433381A (en) Pulse landing system
USRE32368E (en) Collision avoidance system for aircraft
JPS5917789B2 (ja) 適応性を有する近接指示装置
JPS5932747B2 (ja) 航空交通管制用トランスポンダを用いて空港における地上交通の管制を行なう方法
US3735335A (en) Electronic fence vehicle locater transmitter and system using same
GB1383564A (en) Umpires ray gun for use in weapon training systems
GB655391A (en) Traffic signalling system
US3735408A (en) Common azimuth sector indicating system
US2403755A (en) Regenerative indicating system
US2821704A (en) Navigation system
GB1258996A (enrdf_load_stackoverflow)
US2495737A (en) Radio locating and signaling system
US3680090A (en) Non-main beam reflected iff interrogation rejector
US4364049A (en) Radar transponders
US3035262A (en) Direction finding and ranging system for flash type signals
US2509331A (en) Railway train interval detection system
US2931031A (en) Radio repeating system
US2542803A (en) Rail way electronic safety control system
US2606282A (en) Pulse transponder
US3725934A (en) Collision warning indicator
JP2842023B2 (ja) 送出同期システム

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees