DE2347719A1 - Einrichtung zur mehrfachausnutzung des spektrums durch unterschiedliche polarisationen - Google Patents

Einrichtung zur mehrfachausnutzung des spektrums durch unterschiedliche polarisationen

Info

Publication number
DE2347719A1
DE2347719A1 DE19732347719 DE2347719A DE2347719A1 DE 2347719 A1 DE2347719 A1 DE 2347719A1 DE 19732347719 DE19732347719 DE 19732347719 DE 2347719 A DE2347719 A DE 2347719A DE 2347719 A1 DE2347719 A1 DE 2347719A1
Authority
DE
Germany
Prior art keywords
connection
power
hybrid
coupling
hybrids
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.)
Withdrawn
Application number
DE19732347719
Other languages
German (de)
English (en)
Inventor
Peter Foldes
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of DE2347719A1 publication Critical patent/DE2347719A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/04—Multimode antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation 
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Relay Systems (AREA)
  • Radio Transmission System (AREA)
DE19732347719 1972-09-22 1973-09-21 Einrichtung zur mehrfachausnutzung des spektrums durch unterschiedliche polarisationen Withdrawn DE2347719A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4405072A GB1411991A (en) 1972-09-22 1972-09-22 Adjustable polarization system

Publications (1)

Publication Number Publication Date
DE2347719A1 true DE2347719A1 (de) 1974-04-04

Family

ID=10431519

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19732366445 Expired DE2366445C2 (enExample) 1972-09-22 1973-09-21
DE19732347719 Withdrawn DE2347719A1 (de) 1972-09-22 1973-09-21 Einrichtung zur mehrfachausnutzung des spektrums durch unterschiedliche polarisationen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19732366445 Expired DE2366445C2 (enExample) 1972-09-22 1973-09-21

Country Status (5)

Country Link
JP (1) JPS5537136B2 (enExample)
CA (1) CA1002618A (enExample)
DE (2) DE2366445C2 (enExample)
FR (1) FR2200644B1 (enExample)
GB (1) GB1411991A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2381811C (en) 2000-08-02 2007-01-30 Mobile Satellite Ventures Lp Coordinated satellite-terrestrial frequency reuse
US6859652B2 (en) 2000-08-02 2005-02-22 Mobile Satellite Ventures, Lp Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis
US7792488B2 (en) 2000-12-04 2010-09-07 Atc Technologies, Llc Systems and methods for transmitting electromagnetic energy over a wireless channel having sufficiently weak measured signal strength

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3357013A (en) * 1954-02-26 1967-12-05 Gerald E Hart System for arbitrary antenna polarization control
US3369234A (en) 1962-10-03 1968-02-13 Navy Usa Polarization control apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4833754A (enExample) * 1971-09-02 1973-05-12

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3357013A (en) * 1954-02-26 1967-12-05 Gerald E Hart System for arbitrary antenna polarization control
US3369234A (en) 1962-10-03 1968-02-13 Navy Usa Polarization control apparatus

Also Published As

Publication number Publication date
JPS4971810A (enExample) 1974-07-11
CA1002618A (en) 1976-12-28
DE2366445C2 (enExample) 1989-09-28
FR2200644B1 (enExample) 1979-06-01
AU6035673A (en) 1975-03-20
GB1411991A (en) 1975-10-29
JPS5537136B2 (enExample) 1980-09-26
FR2200644A1 (enExample) 1974-04-19

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