JPS5266305A - Frequency synthesizer tuner for television receiver - Google Patents

Frequency synthesizer tuner for television receiver

Info

Publication number
JPS5266305A
JPS5266305A JP51142069A JP14206976A JPS5266305A JP S5266305 A JPS5266305 A JP S5266305A JP 51142069 A JP51142069 A JP 51142069A JP 14206976 A JP14206976 A JP 14206976A JP S5266305 A JPS5266305 A JP S5266305A
Authority
JP
Japan
Prior art keywords
television receiver
frequency synthesizer
synthesizer tuner
tuner
frequency
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.)
Granted
Application number
JP51142069A
Other languages
English (en)
Other versions
JPS5645524B2 (ja
Inventor
Saidarisu Soochiriasu
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics Corp
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 Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Publication of JPS5266305A publication Critical patent/JPS5266305A/ja
Publication of JPS5645524B2 publication Critical patent/JPS5645524B2/ja
Granted 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Television Receiver Circuits (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
JP51142069A 1975-11-26 1976-11-26 Frequency synthesizer tuner for television receiver Granted JPS5266305A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/635,716 US4025953A (en) 1975-11-26 1975-11-26 Frequency synthesizer tuning system for television receivers

Publications (2)

Publication Number Publication Date
JPS5266305A true JPS5266305A (en) 1977-06-01
JPS5645524B2 JPS5645524B2 (ja) 1981-10-27

Family

ID=24548824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51142069A Granted JPS5266305A (en) 1975-11-26 1976-11-26 Frequency synthesizer tuner for television receiver

Country Status (3)

Country Link
US (1) US4025953A (ja)
JP (1) JPS5266305A (ja)
DE (1) DE2650102A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5451321A (en) * 1977-09-29 1979-04-23 Alps Electric Co Ltd Frequency synthesizer channel selector
JPS55147884A (en) * 1979-05-07 1980-11-18 Sanyo Electric Co Ltd Aft circuit of television receiver
JPS6412612A (en) * 1987-07-06 1989-01-17 Seiko Epson Corp Automatic channel selection circuit for television set

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1047373B (it) * 1975-10-16 1980-09-10 Indesit Disposizione per selezionare una frequenza ricevibile in un ricevitore di segnali
JPS5810015B2 (ja) * 1975-12-24 1983-02-23 ソニー株式会社 センキヨクソウチ
US4078212A (en) * 1976-02-27 1978-03-07 Rca Corporation Dual mode frequency synthesizer for a television tuning apparatus
US4128849A (en) * 1976-05-24 1978-12-05 Admiral Corporation Selectively coupled synthesizer for tuner of TV receiver
US4106059A (en) * 1976-08-30 1978-08-08 Rca Corporation Phase locked loop television tuning system
US4184121A (en) * 1976-08-30 1980-01-15 Zenith Radio Corporation Wide window tuning system
DE2720170C2 (de) * 1977-05-05 1982-05-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Abstimmschaltung für Hochfrequenz- Empfangsgeräte mit Restseitenbandmodulation, insbesondere für Fernsehempfänger
JPS5487008A (en) * 1977-12-22 1979-07-11 Alps Electric Co Ltd Pll channel selector
DE2814429C3 (de) * 1978-04-04 1980-10-09 Loewe Opta Gmbh, 1000 Berlin Empfängerschaltung mit einem Frequenz sytithetisator in nachrichtentechnischen Empfangsgeräten
US4300165A (en) * 1978-04-07 1981-11-10 General Electric Company Dual mode automatic fine tuning
JPS602709Y2 (ja) * 1978-09-05 1985-01-25 ソニー株式会社 同期信号検出回路
FR2452219A1 (fr) * 1979-03-21 1980-10-17 Labo Electronique Physique Circuit d'accord et de controle automatique de frequence pour etage de reception de television a haute frequence
US4397038A (en) * 1979-03-26 1983-08-02 Matsushita Electric Corporation Of America Frequency synthesizer tuning system for television receivers
US4360832A (en) * 1979-03-26 1982-11-23 Matsushita Electric Corporation Frequency synthesizer tuning system for television receivers
US4280140A (en) * 1980-02-19 1981-07-21 Zenith Radio Corporation Microcomputer-controlled one-step-back automatic frequency control tuning system
US4398220A (en) * 1980-09-05 1983-08-09 Tokyo Shibaura Denki Kabushiki Kaisha Circuit for detecting the operational state of a television receiver
US4358791A (en) * 1980-12-01 1982-11-09 Rca Corporation Phase locked loop tuning control system including a sync activated AFT signal seeking arrangement
CA1170354A (en) * 1981-02-18 1984-07-03 Takao Mogi Aft circuit
US4385315A (en) * 1981-05-08 1983-05-24 Rca Corporation Phase locked loop tuning control system including a timed sync activated AFT signal seeking arrangement
NL8801874A (nl) * 1988-07-26 1990-02-16 Philips Nv Televisie-ontvanger met een afstemschakeling die een frequentiesyntheseschakeling bevat.
IT1257123B (it) * 1992-10-14 1996-01-05 Seleco Spa Metodo di sintonia a sintesi di tensione per ricevitore di segnali televisivi con chiamata diretta del canale.
JPH11127086A (ja) * 1997-08-19 1999-05-11 Alps Electric Co Ltd Ｕｈｆ及びｖｈｆ共用チューナ
DE19860648A1 (de) * 1998-12-29 2000-07-20 Bosch Gmbh Robert Verfahren zur Frequenzkorrektur von Empfängern

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3459887A (en) * 1966-04-11 1969-08-05 Zenith Radio Corp Automatic frequency control system
US3737565A (en) * 1970-11-09 1973-06-05 Zenith Radio Corp Signal detector for a signal-seeking tuning system
FR2175671B1 (ja) * 1972-03-17 1977-04-01 Trt Telecom Radio Electr
US3825838A (en) * 1972-08-03 1974-07-23 Magnavox Co Search tune detector circuit
US3867568A (en) * 1972-12-04 1975-02-18 Warwick Electronics Inc Control circuit for an afc system
US3946329A (en) * 1974-06-05 1976-03-23 The Magnavox Company Electronic automatic frequency tuning system
US3944925A (en) * 1974-08-05 1976-03-16 Motorola, Inc. Phase-locked loop transceiver having automatic frequency offset selectability
US3949158A (en) * 1974-12-31 1976-04-06 Quasar Electronics Corporation Wide band aft circuit for television receiver

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5451321A (en) * 1977-09-29 1979-04-23 Alps Electric Co Ltd Frequency synthesizer channel selector
JPS55147884A (en) * 1979-05-07 1980-11-18 Sanyo Electric Co Ltd Aft circuit of television receiver
JPS6323715B2 (ja) * 1979-05-07 1988-05-17 Sanyo Electric Co
JPS6412612A (en) * 1987-07-06 1989-01-17 Seiko Epson Corp Automatic channel selection circuit for television set

Also Published As

Publication number Publication date
US4025953A (en) 1977-05-24
JPS5645524B2 (ja) 1981-10-27
DE2650102A1 (de) 1977-06-08

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