NL6710682A - - Google Patents

Info

Publication number
NL6710682A
NL6710682A NL6710682A NL6710682A NL6710682A NL 6710682 A NL6710682 A NL 6710682A NL 6710682 A NL6710682 A NL 6710682A NL 6710682 A NL6710682 A NL 6710682A NL 6710682 A NL6710682 A NL 6710682A
Authority
NL
Netherlands
Application number
NL6710682A
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 NL6710682A publication Critical patent/NL6710682A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • 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
    • G01S13/762—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with special measures concerning the radiation pattern, e.g. S.L.S.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
NL6710682A 1952-05-09 1967-08-02 NL6710682A (en:Method)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1178052 1952-05-09
GB11779/52A GB734588A (en) 1952-05-09 1952-05-09 Improvements in or relating to secondary radar systems

Publications (1)

Publication Number Publication Date
NL6710682A true NL6710682A (en:Method) 1967-10-25

Family

ID=26248514

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6710682A NL6710682A (en:Method) 1952-05-09 1967-08-02

Country Status (5)

Country Link
US (1) US2824301A (en:Method)
DE (2) DE1030876B (en:Method)
FR (1) FR1080045A (en:Method)
GB (1) GB734588A (en:Method)
NL (1) NL6710682A (en:Method)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL113618C (en:Method) * 1956-05-25
NL130962C (en:Method) * 1957-11-12
DE1153427B (de) 1958-06-25 1963-08-29 Cossor Ltd A C Radarsystem mit antwortgebender Relaisstation
NL253570A (en:Method) * 1959-07-10
NL256422A (en:Method) * 1959-10-01
US3122737A (en) * 1960-05-17 1964-02-25 Setrin Morton Apparatus for suppressing side-lobe interrogations in transponder beacon systems
NL282955A (en:Method) * 1961-09-06
DE1237188B (de) * 1964-08-12 1967-03-23 Siemens Ag Mit veraenderbarer Reichweite arbeitendes Sekundaer-Radarsystem
US3341846A (en) * 1964-11-12 1967-09-12 Bendix Corp Transponder system
US4037227A (en) * 1966-04-11 1977-07-19 The United States Of America As Represented By The Secretary Of The Air Force Controlled deception jamming device
GB1239866A (en) * 1969-03-04 1971-07-21 Cossor Ltd A C Secondary radar system
US4137531A (en) * 1976-05-13 1979-01-30 Plessey Handel Und Investments Ag Radar selective interrogation system
SE419002B (sv) * 1979-12-11 1981-07-06 Ericsson Telefon Ab L M Forfarande for att i en radarfyr forhindra att fyren svarar pa mottagna radarpulser fran en sendarantens sidolober samt anordning for utforande av forfarandet

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2194070A (en) * 1936-09-02 1940-03-19 Associated Electric Lab Inc Sound translating device
GB566398A (en) * 1943-06-21 1944-12-28 Guy R Fountain Ltd Improvements in or relating to loud speakers and loud speaker horns
US2444426A (en) * 1943-10-26 1948-07-06 Standard Telephones Cables Ltd Repeater control system
US2624873A (en) * 1945-04-18 1953-01-06 Bess Leon Object locating identification system
US2606282A (en) * 1945-07-09 1952-08-05 Harry J Lipkin Pulse transponder
GB616364A (en) * 1947-06-20 1949-01-20 Robert Hanbury Brown Improvements in radio beacon and like equipment
US2594916A (en) * 1947-11-26 1952-04-29 Rca Corp Automatic gain control circuits
DE873925C (de) * 1950-05-20 1953-04-20 Philips Nv Verstellbare Befestigung

Also Published As

Publication number Publication date
US2824301A (en) 1958-02-18
GB734588A (en) 1955-08-03
DE1030876B (de) 1958-05-29
DE1030896B (de) 1958-05-29
FR1080045A (fr) 1954-12-06

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