NL51905C - - Google Patents

Info

Publication number
NL51905C
NL51905C NL51905DA NL51905C NL 51905 C NL51905 C NL 51905C NL 51905D A NL51905D A NL 51905DA NL 51905 C NL51905 C NL 51905C
Authority
NL
Netherlands
Application number
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.)
Publication of NL51905C publication Critical patent/NL51905C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Selective Calling Equipment (AREA)
NL51905D 1937-04-08 NL51905C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE205376X 1937-04-08

Publications (1)

Publication Number Publication Date
NL51905C true NL51905C (en)

Family

ID=5786890

Family Applications (1)

Application Number Title Priority Date Filing Date
NL51905D NL51905C (en) 1937-04-08

Country Status (5)

Country Link
US (1) US2234244A (en)
CH (1) CH205376A (en)
FR (1) FR836278A (en)
GB (1) GB493429A (en)
NL (1) NL51905C (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607915A (en) * 1945-08-06 1952-08-19 Norgorden Oscar Radio beacon system
US3290683A (en) * 1945-10-25 1966-12-06 Naval Res Lab Aircraft homing system
US2538063A (en) * 1946-07-11 1951-01-16 Touvet Guy Search and orientation system
US2513490A (en) * 1947-02-28 1950-07-04 Rca Corp Selective communication system between ground station and a plurality of mobile stations
US2649539A (en) * 1948-02-21 1953-08-18 Bell Telephone Labor Inc Microwave carrier telephone system
US2627021A (en) * 1949-07-07 1953-01-27 Rca Corp Airborne transoceanic radio relay system
US2571386A (en) * 1949-09-16 1951-10-16 Rca Corp Early warning relay system
US2762041A (en) * 1950-09-09 1956-09-04 Motorola Inc Signalling equipment
US2641755A (en) * 1950-11-22 1953-06-09 Automatic Elect Lab Short-wave directional radio communication system
US2830292A (en) * 1950-12-29 1958-04-08 Marvin P Young Device to position a communications antenna
US3384894A (en) * 1966-11-01 1968-05-21 Mobilradio Inc Communications system for simultaneous communications on a single channel
DE2256880A1 (en) * 1972-11-20 1974-05-22 Siemens Ag FACILITY FOR CARRYING OUT A PROCEDURE FOR THE LOCATION OF AREA-BONDED VEHICLES
US4121158A (en) * 1975-10-24 1978-10-17 Siemens Aktiengesellschaft Radio system
IT1209322B (en) * 1979-05-30 1989-07-16 Siemens Ag SECONDARY RADAR TRANSPONDER.
US4633463A (en) * 1984-03-28 1986-12-30 Canadian Marconi Corporation Radio communication system

Also Published As

Publication number Publication date
FR836278A (en) 1939-01-13
GB493429A (en) 1938-10-07
CH205376A (en) 1939-06-15
US2234244A (en) 1941-03-11

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