FR1196799A - Improvements to antenna systems - Google Patents

Improvements to antenna systems

Info

Publication number
FR1196799A
FR1196799A FR1196799DA FR1196799A FR 1196799 A FR1196799 A FR 1196799A FR 1196799D A FR1196799D A FR 1196799DA FR 1196799 A FR1196799 A FR 1196799A
Authority
FR
France
Prior art keywords
antenna systems
antenna
systems
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
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1196799A publication Critical patent/FR1196799A/en
Expired legal-status Critical Current

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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G01S7/034—Duplexers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR1196799D 1957-06-12 1958-06-12 Improvements to antenna systems Expired FR1196799A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1196799XA 1957-06-12 1957-06-12

Publications (1)

Publication Number Publication Date
FR1196799A true FR1196799A (en) 1959-11-26

Family

ID=22385702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1196799D Expired FR1196799A (en) 1957-06-12 1958-06-12 Improvements to antenna systems

Country Status (1)

Country Link
FR (1) FR1196799A (en)

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