FR899945A - Heterodyne receiver for frequency modulated oscillations at different rates - Google Patents

Heterodyne receiver for frequency modulated oscillations at different rates

Info

Publication number
FR899945A
FR899945A FR899945DA FR899945A FR 899945 A FR899945 A FR 899945A FR 899945D A FR899945D A FR 899945DA FR 899945 A FR899945 A FR 899945A
Authority
FR
France
Prior art keywords
frequency modulated
different rates
heterodyne receiver
modulated oscillations
oscillations
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
Leo Kirchgessner
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.)
Opta Radio A G
Original Assignee
Opta Radio A G
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 Opta Radio A G filed Critical Opta Radio A G
Application granted granted Critical
Publication of FR899945A publication Critical patent/FR899945A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/06—Means for changing frequency deviation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR899945D 1942-05-01 1943-11-20 Heterodyne receiver for frequency modulated oscillations at different rates Expired FR899945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE294914X 1942-05-01

Publications (1)

Publication Number Publication Date
FR899945A true FR899945A (en) 1945-06-14

Family

ID=6087782

Family Applications (1)

Application Number Title Priority Date Filing Date
FR899945D Expired FR899945A (en) 1942-05-01 1943-11-20 Heterodyne receiver for frequency modulated oscillations at different rates

Country Status (3)

Country Link
BE (1) BE451755A (en)
CH (1) CH294914A (en)
FR (1) FR899945A (en)

Also Published As

Publication number Publication date
CH294914A (en) 1953-11-30
BE451755A (en)

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