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FR939188A - Enhancements to high frequency manipulation devices - Google Patents

Enhancements to high frequency manipulation devices

Info

Publication number
FR939188A
FR939188A FR939188DA FR939188A FR 939188 A FR939188 A FR 939188A FR 939188D A FR939188D A FR 939188DA FR 939188 A FR939188 A FR 939188A
Authority
FR
France
Prior art keywords
enhancements
high frequency
manipulation devices
frequency manipulation
devices
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)
Inventor
Eric Osborne Willoughby
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR939188A publication Critical patent/FR939188A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/10—Auxiliary devices for switching or interrupting
    • H01P1/12—Auxiliary devices for switching or interrupting by mechanical chopper
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR939188D 1944-04-21 1946-06-22 Enhancements to high frequency manipulation devices Expired FR939188A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB747944A GB579873A (en) 1944-04-21 1944-04-21 Improvements in or relating to keying arrangements for radio frequencies

Publications (1)

Publication Number Publication Date
FR939188A true FR939188A (en) 1948-11-05

Family

ID=9833900

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939188D Expired FR939188A (en) 1944-04-21 1946-06-22 Enhancements to high frequency manipulation devices

Country Status (2)

Country Link
FR (1) FR939188A (en)
GB (1) GB579873A (en)

Also Published As

Publication number Publication date
GB579873A (en) 1946-08-19

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