NL192944B - TV-afsteminrichting. - Google Patents

TV-afsteminrichting.

Info

Publication number
NL192944B
NL192944B NL8700467A NL8700467A NL192944B NL 192944 B NL192944 B NL 192944B NL 8700467 A NL8700467 A NL 8700467A NL 8700467 A NL8700467 A NL 8700467A NL 192944 B NL192944 B NL 192944B
Authority
NL
Netherlands
Prior art keywords
tuner
Prior art date
Application number
NL8700467A
Other languages
English (en)
Other versions
NL192944C (nl
NL8700467A (nl
Original Assignee
Plessey Overseas
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 Plessey Overseas filed Critical Plessey Overseas
Publication of NL8700467A publication Critical patent/NL8700467A/nl
Publication of NL192944B publication Critical patent/NL192944B/nl
Application granted granted Critical
Publication of NL192944C publication Critical patent/NL192944C/nl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
NL8700467A 1986-02-25 1987-02-25 TV-afsteminrichting. NL192944C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8604652 1986-02-25
GB8604652A GB2188502B (en) 1986-02-25 1986-02-25 Tuner circuit including tuning voltage generator

Publications (3)

Publication Number Publication Date
NL8700467A NL8700467A (nl) 1987-09-16
NL192944B true NL192944B (nl) 1998-01-05
NL192944C NL192944C (nl) 1998-05-07

Family

ID=10593645

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8700467A NL192944C (nl) 1986-02-25 1987-02-25 TV-afsteminrichting.

Country Status (3)

Country Link
US (1) US4792989A (nl)
GB (1) GB2188502B (nl)
NL (1) NL192944C (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005348234A (ja) * 2004-06-04 2005-12-15 Alps Electric Co Ltd テレビジョンチューナ

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7216406A (nl) * 1972-12-02 1974-06-05
JPS5555616A (en) * 1978-10-18 1980-04-23 Matsushita Electric Ind Co Ltd Drive circuit for channel selector using varactor diode
DE2854852C2 (de) * 1978-12-19 1985-02-07 Telefunken electronic GmbH, 7100 Heilbronn Elektronische Abstimmeinheit, insbesondere für Fernseh-Empfangsgeräte
CA1171563A (en) * 1979-12-17 1984-07-24 Isao Fujimoto Tuning voltage generating apparatus of voltage synthesizer type
US4368541A (en) * 1980-06-30 1983-01-11 Evans Robert M Multiplexing arrangement for a plurality of voltage controlled filters
DE3242965C1 (de) * 1982-11-20 1984-05-30 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Abstimmeinheit fuer Geraete der Nachrichtentechnik
DE3406150C3 (de) * 1984-02-21 1997-04-03 Telefunken Microelectron Verfahren zum Abgleich einer Hochfrequenzeingangsschaltung sowie Steuerschaltung zum Durchführen des Verfahrens
US4646360A (en) * 1984-03-07 1987-02-24 Rca Corporation Constant bandwidth RF filter with improved low frequency attenuation
US4710993A (en) * 1984-11-26 1987-12-08 Whaley Alvin W Dye color control system

Also Published As

Publication number Publication date
GB8604652D0 (en) 1986-04-03
NL192944C (nl) 1998-05-07
NL8700467A (nl) 1987-09-16
GB2188502A (en) 1987-09-30
US4792989A (en) 1988-12-20
GB2188502B (en) 1989-11-08

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 20040901