BE529981A - - Google Patents

Info

Publication number
BE529981A
BE529981A BE529981DA BE529981A BE 529981 A BE529981 A BE 529981A BE 529981D A BE529981D A BE 529981DA BE 529981 A BE529981 A BE 529981A
Authority
BE
Belgium
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 BE529981A publication Critical patent/BE529981A/xx

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
    • G01S1/68—Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information
    • 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
    • H04B1/69—Spread spectrum techniques
    • 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
    • H04B7/12—Frequency diversity

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)
  • Radio Relay Systems (AREA)
  • Transmitters (AREA)
BE529981D 1953-06-29 BE529981A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US364571A US2895009A (en) 1953-06-29 1953-06-29 Channeling system for frequency spectrum transmission

Publications (1)

Publication Number Publication Date
BE529981A true BE529981A (de)

Family

ID=23435100

Family Applications (1)

Application Number Title Priority Date Filing Date
BE529981D BE529981A (de) 1953-06-29

Country Status (6)

Country Link
US (1) US2895009A (de)
BE (1) BE529981A (de)
DE (1) DE1019721B (de)
FR (1) FR1103181A (de)
GB (1) GB751179A (de)
NL (1) NL188694B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976363A (en) * 1957-12-30 1961-03-21 Gen Electric Modulation of selected phases of carriers for simultaneous transmission through single delay means
US3605017A (en) * 1969-06-06 1971-09-14 Eg & G Inc Single sideband data transmission system
GB2177875A (en) * 1985-07-08 1987-01-28 Philips Electronic Associated Radio transmission system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL35164C (de) * 1931-08-14
US2430296A (en) * 1943-10-27 1947-11-04 Hazeltine Research Inc Radiated-signal receiving system
US2429726A (en) * 1943-10-27 1947-10-28 Hazeltine Research Inc System for space scanning with a radiated wave-signal beam
US2426460A (en) * 1943-10-27 1947-08-26 Hazeltine Research Inc System for locating a radiatedsignal reflector
US2437281A (en) * 1944-07-19 1948-03-09 Sperry Corp High-frequency radiant energy apparatus
CH248975A (de) * 1946-02-04 1947-05-31 Patelhold Patentverwertung Verfahren und Einrichtung zur Verschleierung der einzelnen Gespräche einer Mehrkanalanlage.
US2497859A (en) * 1947-11-19 1950-02-21 Western Union Telegraph Co Frequency diversity telegraph system
US2611825A (en) * 1948-04-28 1952-09-23 Donald B Harris Multichannel transmission system
US2559644A (en) * 1948-09-18 1951-07-10 Rca Corp Pulse multiplex system

Also Published As

Publication number Publication date
DE1019721B (de) 1957-11-21
US2895009A (en) 1959-07-14
GB751179A (en) 1956-06-27
NL188694B (nl)
FR1103181A (fr) 1955-10-31

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