IT1061829B - Sistema di selettore di canali elettronico in specie per apparecchi televisivi - Google Patents

Sistema di selettore di canali elettronico in specie per apparecchi televisivi

Info

Publication number
IT1061829B
IT1061829B IT2335276A IT2335276A IT1061829B IT 1061829 B IT1061829 B IT 1061829B IT 2335276 A IT2335276 A IT 2335276A IT 2335276 A IT2335276 A IT 2335276A IT 1061829 B IT1061829 B IT 1061829B
Authority
IT
Italy
Prior art keywords
television equipment
channel selector
system especially
selector system
electronic channel
Prior art date
Application number
IT2335276A
Other languages
English (en)
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Application granted granted Critical
Publication of IT1061829B publication Critical patent/IT1061829B/it

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
    • H03J5/0272—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • H03J5/0281—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
IT2335276A 1975-05-17 1976-05-17 Sistema di selettore di canali elettronico in specie per apparecchi televisivi IT1061829B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752522055 DE2522055C3 (de) 1975-05-17 1975-05-17 Elektronisches Kanalwahlsystem, insbesondere für Fernsehgeräte

Publications (1)

Publication Number Publication Date
IT1061829B true IT1061829B (it) 1983-04-30

Family

ID=5946826

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2335276A IT1061829B (it) 1975-05-17 1976-05-17 Sistema di selettore di canali elettronico in specie per apparecchi televisivi

Country Status (4)

Country Link
DE (1) DE2522055C3 (it)
FR (1) FR2312141A1 (it)
GB (1) GB1553366A (it)
IT (1) IT1061829B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL193351C (nl) * 1978-05-22 1999-07-02 Sisvel Spa Afstemketen.
DE2843214C2 (de) * 1978-10-04 1980-10-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digitales Abstimmsystem für ein Rundfunk-Empfangsgerät
US4355412A (en) * 1979-04-10 1982-10-19 Nissan Motor Company, Limited Preset station selecting device in a radio receiver
JPS598966B2 (ja) * 1979-04-10 1984-02-28 株式会社東芝 テレビジヨン受像機の制御装置
JPS56102115A (en) * 1980-01-21 1981-08-15 Fujitsu Ten Ltd Radio receiver
GB2155263A (en) * 1984-03-02 1985-09-18 Philips Electronic Associated Frequency synthesised multichannel radio apparatus
GB2260455B (en) * 1991-09-13 1995-06-28 Alps Electric Co Ltd Tuner for radio-frequency signals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803494A (en) * 1972-04-07 1974-04-09 Bendix Corp Pulse tuning control system for radio receivers

Also Published As

Publication number Publication date
DE2522055B2 (de) 1978-04-20
DE2522055A1 (de) 1976-11-18
FR2312141A1 (fr) 1976-12-17
GB1553366A (en) 1979-09-26
FR2312141B1 (it) 1980-02-29
DE2522055C3 (de) 1978-12-07

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