BE780900A - Convertisseur de television sur cable canal par canal utilisantdes oscillateurs locaux pas a pas - Google Patents

Convertisseur de television sur cable canal par canal utilisantdes oscillateurs locaux pas a pas

Info

Publication number
BE780900A
BE780900A BE780900A BE780900A BE780900A BE 780900 A BE780900 A BE 780900A BE 780900 A BE780900 A BE 780900A BE 780900 A BE780900 A BE 780900A BE 780900 A BE780900 A BE 780900A
Authority
BE
Belgium
Prior art keywords
channel
cable television
local oscillators
television converter
channel cable
Prior art date
Application number
BE780900A
Other languages
English (en)
French (fr)
Inventor
R L Kramer
R C Gall
Original Assignee
Oak Electro Netics 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 Oak Electro Netics Corp filed Critical Oak Electro Netics Corp
Publication of BE780900A publication Critical patent/BE780900A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
BE780900A 1971-03-18 1972-03-17 Convertisseur de television sur cable canal par canal utilisantdes oscillateurs locaux pas a pas BE780900A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12569971A 1971-03-18 1971-03-18

Publications (1)

Publication Number Publication Date
BE780900A true BE780900A (fr) 1972-07-17

Family

ID=22420984

Family Applications (1)

Application Number Title Priority Date Filing Date
BE780900A BE780900A (fr) 1971-03-18 1972-03-17 Convertisseur de television sur cable canal par canal utilisantdes oscillateurs locaux pas a pas

Country Status (6)

Country Link
BE (1) BE780900A (enExample)
BR (1) BR7201580D0 (enExample)
DE (1) DE2212796A1 (enExample)
FR (1) FR2130425A1 (enExample)
IT (1) IT957575B (enExample)
NL (1) NL7203588A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2713318C2 (de) * 1977-03-25 1981-09-10 Siemens AG, 1000 Berlin und 8000 München Frequenzumsetzer für den Rundfunk- und Fernsehbereich
FR2482388A1 (fr) * 1980-05-08 1981-11-13 Visiodis Selecteur individuel de programmes de television
DE3433721A1 (de) * 1984-09-14 1986-03-27 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Schaltungsanordnung zur umsetzung einer frequenz fuer fernsehempfaenger
NL193886C (nl) * 1988-02-16 2001-01-03 Tratec Telecom B V Frequentie-convertor en communicatie-inrichting voorzien van dergelijke frequentie-convertors.

Also Published As

Publication number Publication date
DE2212796A1 (de) 1972-09-28
BR7201580D0 (pt) 1973-05-29
FR2130425A1 (enExample) 1972-11-03
IT957575B (it) 1973-10-20
NL7203588A (enExample) 1972-09-20

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