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FR938222A - High frequency transmission systems - Google Patents

High frequency transmission systems

Info

Publication number
FR938222A
FR938222A FR938222DA FR938222A FR 938222 A FR938222 A FR 938222A FR 938222D A FR938222D A FR 938222DA FR 938222 A FR938222 A FR 938222A
Authority
FR
France
Prior art keywords
high frequency
transmission systems
frequency transmission
systems
transmission
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
Paul F Byrne
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 FR938222A publication Critical patent/FR938222A/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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/04—Details
    • G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR938222D 1941-11-28 1946-04-03 High frequency transmission systems Expired FR938222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US938222XA 1941-11-28 1941-11-28

Publications (1)

Publication Number Publication Date
FR938222A true FR938222A (en) 1948-09-08

Family

ID=22240936

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938222D Expired FR938222A (en) 1941-11-28 1946-04-03 High frequency transmission systems

Country Status (1)

Country Link
FR (1) FR938222A (en)

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