DE3068111D1 - Converter circuit for television signals - Google Patents

Converter circuit for television signals

Info

Publication number
DE3068111D1
DE3068111D1 DE8080200777T DE3068111T DE3068111D1 DE 3068111 D1 DE3068111 D1 DE 3068111D1 DE 8080200777 T DE8080200777 T DE 8080200777T DE 3068111 T DE3068111 T DE 3068111T DE 3068111 D1 DE3068111 D1 DE 3068111D1
Authority
DE
Germany
Prior art keywords
converter circuit
television signals
television
signals
converter
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
DE8080200777T
Other languages
English (en)
Inventor
De Grijp Abram Van
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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3068111D1 publication Critical patent/DE3068111D1/de
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
    • H03D7/16—Multiple-frequency-changing
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Details Of Television Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
DE8080200777T 1979-08-22 1980-08-19 Converter circuit for television signals Expired DE3068111D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7906336A NL7906336A (nl) 1979-08-22 1979-08-22 Konverteerschakeling voor t.v. signalen.

Publications (1)

Publication Number Publication Date
DE3068111D1 true DE3068111D1 (en) 1984-07-12

Family

ID=19833711

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080200777T Expired DE3068111D1 (en) 1979-08-22 1980-08-19 Converter circuit for television signals

Country Status (8)

Country Link
EP (1) EP0024763B1 (de)
JP (1) JPS5631236A (de)
AT (1) AT382748B (de)
AU (1) AU532278B2 (de)
CA (1) CA1161117A (de)
DE (1) DE3068111D1 (de)
ES (1) ES494374A0 (de)
NL (1) NL7906336A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58203033A (ja) * 1982-05-24 1983-11-26 Bridgestone Corp 未加硫ゴムシ−ト切断装置
DE3433721A1 (de) * 1984-09-14 1986-03-27 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Schaltungsanordnung zur umsetzung einer frequenz fuer fernsehempfaenger

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618743A (en) * 1947-10-24 1952-11-18 Nielsen A C Co System and apparatus for determining the listening habits of wave signal receiver users
CA1029815A (en) * 1971-03-04 1978-04-18 Floyd O. Vincent Method and apparatus for converting electrical signals

Also Published As

Publication number Publication date
JPS5631236A (en) 1981-03-30
AT382748B (de) 1987-04-10
AU532278B2 (en) 1983-09-22
ES8105905A1 (es) 1981-06-01
EP0024763B1 (de) 1984-06-06
EP0024763A1 (de) 1981-03-11
AU6158480A (en) 1981-04-09
ATA426380A (de) 1986-08-15
NL7906336A (nl) 1981-02-24
ES494374A0 (es) 1981-06-01
CA1161117A (en) 1984-01-24

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee