FR944385A - Systèmes radio-électriques d'identification - Google Patents

Systèmes radio-électriques d'identification

Info

Publication number
FR944385A
FR944385A FR944385DA FR944385A FR 944385 A FR944385 A FR 944385A FR 944385D A FR944385D A FR 944385DA FR 944385 A FR944385 A FR 944385A
Authority
FR
France
Prior art keywords
radio
identification systems
electric identification
electric
systems
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)
Inventor
Donald David Grieg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR944385A publication Critical patent/FR944385A/fr
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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/282—Transmitters
    • 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

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)
FR944385D 1944-03-18 1947-03-14 Systèmes radio-électriques d'identification Expired FR944385A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US527074A US2459811A (en) 1944-03-18 1944-03-18 Radio identifying system

Publications (1)

Publication Number Publication Date
FR944385A true FR944385A (fr) 1949-04-04

Family

ID=24099991

Family Applications (1)

Application Number Title Priority Date Filing Date
FR944385D Expired FR944385A (fr) 1944-03-18 1947-03-14 Systèmes radio-électriques d'identification

Country Status (6)

Country Link
US (1) US2459811A (fr)
BE (1) BE481268A (fr)
CH (1) CH273442A (fr)
ES (1) ES179498A1 (fr)
FR (1) FR944385A (fr)
GB (1) GB600073A (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2628349A (en) * 1944-09-13 1953-02-10 Kenneth W Nightenhelser Homing system
US2624873A (en) * 1945-04-18 1953-01-06 Bess Leon Object locating identification system
BE468213A (fr) * 1945-09-27
US2677818A (en) * 1945-10-19 1954-05-04 Us Sec War Aircraft identification system
US2709773A (en) * 1945-10-19 1955-05-31 Ivan A Getting Remote control system with position indicating means
US2891246A (en) * 1945-12-10 1959-06-16 Jr John C Reed Beacon system
US2671895A (en) * 1946-02-15 1954-03-09 George D Perkins Automatic beacon range indicator
US2595141A (en) * 1946-10-10 1952-04-29 Rca Corp Radio system for aircraft identification
US2520840A (en) * 1947-02-15 1950-08-29 Union Switch & Signal Co Apparatus for automatically checking the operation of pulse-echo radio detection systems
US2678437A (en) * 1949-04-27 1954-05-11 Gen Railway Signal Co Air traffic control system
NL89627C (fr) * 1951-01-22
US2817832A (en) * 1951-02-02 1957-12-24 Robert H Mathes Multiple sweep
US2714206A (en) * 1951-09-12 1955-07-26 Raytheon Mfg Co Signal reliability indicators
GB718038A (en) * 1951-12-24 1954-11-10 Murphy Radio Ltd Improvements in radar systems
US2934760A (en) * 1952-04-08 1960-04-26 Samuel W Lichtman Multiplex pulse repetition rate remote control system
US2944254A (en) * 1952-11-14 1960-07-05 Ultra Electric Inc Method and apparatus for measuring distance in radio homing systems
US2768372A (en) * 1952-12-30 1956-10-23 Rca Corp Randomly pulsed radio ranging system
US2927321A (en) * 1956-01-26 1960-03-01 Donald B Harris Radio transmission systems with modulatable passive responder
US3039089A (en) * 1958-01-27 1962-06-12 Temco Electronics & Missiles C Radar system
US3918056A (en) * 1971-11-04 1975-11-04 Del Norte Technology Radar trilateralization position locators
US3810179A (en) * 1971-11-04 1974-05-07 Del Norte Technology Radar trilateralization position locators
GB2494890B (en) * 2011-09-21 2015-09-30 Friendly Technologies Ltd Inventorying transponders
GB2518010A (en) 2013-09-09 2015-03-11 Crfs Ltd Frequency discriminator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2165690A (en) * 1936-01-27 1939-07-11 Warrington C Wademan Navigation instrument
US2134716A (en) * 1936-10-20 1938-11-01 Gunn Ross Measuring speed and distance by radiant energy
US2252083A (en) * 1938-04-23 1941-08-12 Rca Corp Radio traffic control

Also Published As

Publication number Publication date
GB600073A (en) 1948-03-31
CH273442A (fr) 1951-02-15
ES179498A1 (es) 1947-10-16
US2459811A (en) 1949-01-25
BE481268A (fr)

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