FR1248810A - Frequency changer device - Google Patents

Frequency changer device

Info

Publication number
FR1248810A
FR1248810A FR818739A FR818739A FR1248810A FR 1248810 A FR1248810 A FR 1248810A FR 818739 A FR818739 A FR 818739A FR 818739 A FR818739 A FR 818739A FR 1248810 A FR1248810 A FR 1248810A
Authority
FR
France
Prior art keywords
frequency changer
changer device
frequency
changer
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
FR818739A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Priority claimed from DEP22243A external-priority patent/DE1096971B/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR818739A priority Critical patent/FR1248810A/en
Application granted granted Critical
Publication of FR1248810A publication Critical patent/FR1248810A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/08—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between the same two electrodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
    • H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR818739A 1959-02-18 1960-02-17 Frequency changer device Expired FR1248810A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR818739A FR1248810A (en) 1959-02-18 1960-02-17 Frequency changer device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP22243A DE1096971B (en) 1959-02-18 1959-02-18 Mixed circuit arrangement with capacitive bridge and IF neutralization
FR818739A FR1248810A (en) 1959-02-18 1960-02-17 Frequency changer device

Publications (1)

Publication Number Publication Date
FR1248810A true FR1248810A (en) 1960-12-23

Family

ID=25989876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818739A Expired FR1248810A (en) 1959-02-18 1960-02-17 Frequency changer device

Country Status (1)

Country Link
FR (1) FR1248810A (en)

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