FR820118A - Improvements to very high frequency radio electrical signaling systems - Google Patents

Improvements to very high frequency radio electrical signaling systems

Info

Publication number
FR820118A
FR820118A FR820118DA FR820118A FR 820118 A FR820118 A FR 820118A FR 820118D A FR820118D A FR 820118DA FR 820118 A FR820118 A FR 820118A
Authority
FR
France
Prior art keywords
high frequency
frequency radio
signaling systems
electrical signaling
radio electrical
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR820118A publication Critical patent/FR820118A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/45—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more feeds in association with a common reflecting, diffracting or refracting device

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
FR820118D 1936-06-26 1936-06-26 Improvements to very high frequency radio electrical signaling systems Expired FR820118A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR820118T 1936-06-26

Publications (1)

Publication Number Publication Date
FR820118A true FR820118A (en) 1937-11-04

Family

ID=9270320

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820118D Expired FR820118A (en) 1936-06-26 1936-06-26 Improvements to very high frequency radio electrical signaling systems

Country Status (2)

Country Link
US (1) US2173897A (en)
FR (1) FR820118A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2531455A (en) * 1942-02-04 1950-11-28 Sperry Corp Directive antenna structure
US2419556A (en) * 1942-07-22 1947-04-29 Bell Telephone Labor Inc Scanning antenna
US2540076A (en) * 1944-09-28 1951-02-06 Oscar H Dicke Radio cycle summation measuring apparatus
US2521524A (en) * 1945-04-27 1950-09-05 Bell Telephone Labor Inc Directional antenna system
US2831187A (en) * 1945-06-23 1958-04-15 Harris Frederick Radio direction finding system

Also Published As

Publication number Publication date
US2173897A (en) 1939-09-26

Similar Documents

Publication Publication Date Title
FR843966A (en) Ultra high frequency signaling systems
FR818503A (en) High frequency signaling systems
FR833929A (en) Improvements to signaling systems
FR798579A (en) High frequency electrical signaling systems employing electrical guides
FR812099A (en) Improvements to high frequency transmission systems using concentric cables
FR726531A (en) Improvements to high frequency electrical systems, such as very short wave signaling systems
FR817928A (en) Improvements to ultrahigh frequency transmission systems
FR818880A (en) Improvements to high frequency electrical signaling systems
FR829280A (en) Improvements to high frequency electrical signaling systems
FR818507A (en) High frequency signaling systems
FR837377A (en) Improvements to high frequency electrical signaling systems
FR829450A (en) Improvements to signaling systems
FR820118A (en) Improvements to very high frequency radio electrical signaling systems
FR816135A (en) Improvements to radio signaling systems
FR788883A (en) Improvements to radio signaling systems
FR791875A (en) Improvements to high frequency signaling systems
FR812274A (en) Improvements to high frequency signaling systems
FR814605A (en) Improvements to high frequency signaling systems
FR773796A (en) Improvements to high frequency signaling systems
FR819003A (en) Improvements to high frequency receiver systems
FR785591A (en) Improvements to high frequency electrical signaling systems
FR717778A (en) Improvements to high frequency electrical signaling systems
FR893479A (en) Improvements to high frequency signaling systems
FR820424A (en) High frequency transmission systems
FR808281A (en) Improvements to radio signaling systems