BE763279A - TUNING DEVICE FOR A SUPERHETERODYNE TELEVISION RECEIVER - Google Patents

TUNING DEVICE FOR A SUPERHETERODYNE TELEVISION RECEIVER

Info

Publication number
BE763279A
BE763279A BE763279A BE763279A BE763279A BE 763279 A BE763279 A BE 763279A BE 763279 A BE763279 A BE 763279A BE 763279 A BE763279 A BE 763279A BE 763279 A BE763279 A BE 763279A
Authority
BE
Belgium
Prior art keywords
television receiver
tuning device
superheterodyne television
superheterodyne
tuning
Prior art date
Application number
BE763279A
Other languages
French (fr)
Original Assignee
Philips 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
Application filed by Philips Nv filed Critical Philips Nv
Publication of BE763279A publication Critical patent/BE763279A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
BE763279A 1970-02-23 1971-02-22 TUNING DEVICE FOR A SUPERHETERODYNE TELEVISION RECEIVER BE763279A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7006322A FR2080065A5 (en) 1970-02-23 1970-02-23

Publications (1)

Publication Number Publication Date
BE763279A true BE763279A (en) 1971-08-23

Family

ID=9051071

Family Applications (1)

Application Number Title Priority Date Filing Date
BE763279A BE763279A (en) 1970-02-23 1971-02-22 TUNING DEVICE FOR A SUPERHETERODYNE TELEVISION RECEIVER

Country Status (5)

Country Link
BE (1) BE763279A (en)
CH (1) CH517424A (en)
DE (1) DE2105151B2 (en)
ES (1) ES388476A1 (en)
FR (1) FR2080065A5 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2261395C2 (en) * 1972-12-15 1976-01-08 Philips Patentverwaltung Gmbh, 2000 Hamburg Circuit arrangement for a tuning device with capacitance diodes for at least two frequency ranges
FR2371821A1 (en) * 1976-10-25 1978-06-16 Indesit TUNING DEVICE FOR TELEVISION RECEIVER
JPS58200606A (en) * 1982-05-17 1983-11-22 Sharp Corp Oscillating circuit
JPS5970026A (en) * 1982-10-13 1984-04-20 Hitachi Ltd Oscillator circuit

Also Published As

Publication number Publication date
DE2105151A1 (en) 1971-09-02
DE2105151B2 (en) 1979-03-08
CH517424A (en) 1971-12-31
FR2080065A5 (en) 1971-11-12
ES388476A1 (en) 1973-05-01

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