GB1308874A - Device for combining the outputs of a pair of aerials with orthogonal planes of polarisation - Google Patents

Device for combining the outputs of a pair of aerials with orthogonal planes of polarisation

Info

Publication number
GB1308874A
GB1308874A GB4294771A GB4294771A GB1308874A GB 1308874 A GB1308874 A GB 1308874A GB 4294771 A GB4294771 A GB 4294771A GB 4294771 A GB4294771 A GB 4294771A GB 1308874 A GB1308874 A GB 1308874A
Authority
GB
United Kingdom
Prior art keywords
hybrid
aerials
port
ports
combining
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
GB4294771A
Other languages
English (en)
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.)
LANNIONNAISE DELECTRONIQUE SOC
Original Assignee
LANNIONNAISE DELECTRONIQUE SOC
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 LANNIONNAISE DELECTRONIQUE SOC filed Critical LANNIONNAISE DELECTRONIQUE SOC
Publication of GB1308874A publication Critical patent/GB1308874A/en
Expired legal-status Critical Current

Links

Classifications

    • 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 Transmission System (AREA)
GB4294771A 1970-09-16 1971-09-15 Device for combining the outputs of a pair of aerials with orthogonal planes of polarisation Expired GB1308874A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7033576A FR2105018B1 (enExample) 1970-09-16 1970-09-16

Publications (1)

Publication Number Publication Date
GB1308874A true GB1308874A (en) 1973-03-07

Family

ID=9061379

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4294771A Expired GB1308874A (en) 1970-09-16 1971-09-15 Device for combining the outputs of a pair of aerials with orthogonal planes of polarisation

Country Status (3)

Country Link
DE (1) DE2146432A1 (enExample)
FR (1) FR2105018B1 (enExample)
GB (1) GB1308874A (enExample)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2789271A (en) * 1948-10-05 1957-04-16 Bell Telephone Labor Inc Hybrid ring coupling arrangement
US2619635A (en) * 1950-06-19 1952-11-25 Herman N Chait Arbitrarily polarized antenna system
US3357013A (en) * 1954-02-26 1967-12-05 Gerald E Hart System for arbitrary antenna polarization control
GB780979A (en) * 1954-04-06 1957-08-14 British Thomson Houston Co Ltd Improvements relating to electrical transmission line arrangement

Also Published As

Publication number Publication date
FR2105018B1 (enExample) 1973-11-23
FR2105018A1 (enExample) 1972-04-28
DE2146432A1 (de) 1972-04-13

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees