IT957575B - Convertitore di canale per ricevi tori televisivi - Google Patents

Convertitore di canale per ricevi tori televisivi

Info

Publication number
IT957575B
IT957575B IT4908272A IT4908272A IT957575B IT 957575 B IT957575 B IT 957575B IT 4908272 A IT4908272 A IT 4908272A IT 4908272 A IT4908272 A IT 4908272A IT 957575 B IT957575 B IT 957575B
Authority
IT
Italy
Prior art keywords
television receivers
channel converter
converter
channel
receivers
Prior art date
Application number
IT4908272A
Other languages
English (en)
Original Assignee
Cak 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 Cak Electro Netics Corp filed Critical Cak Electro Netics Corp
Application granted granted Critical
Publication of IT957575B publication Critical patent/IT957575B/it

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)
IT4908272A 1971-03-18 1972-03-17 Convertitore di canale per ricevi tori televisivi IT957575B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT957575B true IT957575B (it) 1973-10-20

Family

ID=22420984

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4908272A IT957575B (it) 1971-03-18 1972-03-17 Convertitore di canale per ricevi tori televisivi

Country Status (6)

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

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
NL7203588A (it) 1972-09-20
BR7201580D0 (pt) 1973-05-29
FR2130425A1 (it) 1972-11-03
BE780900A (fr) 1972-07-17

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