GB1553366A - Electronic channel selector arrangement - Google Patents

Electronic channel selector arrangement

Info

Publication number
GB1553366A
GB1553366A GB1926776A GB1926776A GB1553366A GB 1553366 A GB1553366 A GB 1553366A GB 1926776 A GB1926776 A GB 1926776A GB 1926776 A GB1926776 A GB 1926776A GB 1553366 A GB1553366 A GB 1553366A
Authority
GB
United Kingdom
Prior art keywords
channel selector
electronic channel
selector arrangement
arrangement
electronic
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
GB1926776A
Other languages
English (en)
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs 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 Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB1553366A publication Critical patent/GB1553366A/en
Expired legal-status Critical Current

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)
GB1926776A 1975-05-17 1976-05-11 Electronic channel selector arrangement Expired GB1553366A (en)

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
GB1553366A true GB1553366A (en) 1979-09-26

Family

ID=5946826

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1926776A Expired GB1553366A (en) 1975-05-17 1976-05-11 Electronic channel selector arrangement

Country Status (4)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0032878A2 (de) * 1980-01-21 1981-07-29 Fujitsu Ten, Ltd. Rundfunkempfänger
US4442413A (en) * 1979-04-10 1984-04-10 Tokyo Shibaura Denki Kabushiki Kaisha Television receiver phase locked loop tuning arrangement
GB2155263A (en) * 1984-03-02 1985-09-18 Philips Electronic Associated Frequency synthesised multichannel radio apparatus
GB2260455A (en) * 1991-09-13 1993-04-14 Alps Electric Co Ltd A tuner with on-chip PLL amplifier

Families Citing this family (3)

* 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

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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442413A (en) * 1979-04-10 1984-04-10 Tokyo Shibaura Denki Kabushiki Kaisha Television receiver phase locked loop tuning arrangement
EP0032878A2 (de) * 1980-01-21 1981-07-29 Fujitsu Ten, Ltd. Rundfunkempfänger
EP0032878A3 (en) * 1980-01-21 1981-10-07 Fujitsu-Ten, Ltd Radio receiver
GB2155263A (en) * 1984-03-02 1985-09-18 Philips Electronic Associated Frequency synthesised multichannel radio apparatus
GB2260455A (en) * 1991-09-13 1993-04-14 Alps Electric Co Ltd A tuner with on-chip PLL amplifier
GB2260455B (en) * 1991-09-13 1995-06-28 Alps Electric Co Ltd Tuner for radio-frequency signals

Also Published As

Publication number Publication date
DE2522055B2 (de) 1978-04-20
DE2522055A1 (de) 1976-11-18
FR2312141A1 (fr) 1976-12-17
FR2312141B1 (de) 1980-02-29
IT1061829B (it) 1983-04-30
DE2522055C3 (de) 1978-12-07

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee