FR2328324A1 - Agencement de circuits de selection d'une frequence de signaux pouvant etre recus dans un poste recepteur - Google Patents

Agencement de circuits de selection d'une frequence de signaux pouvant etre recus dans un poste recepteur

Info

Publication number
FR2328324A1
FR2328324A1 FR7631233A FR7631233A FR2328324A1 FR 2328324 A1 FR2328324 A1 FR 2328324A1 FR 7631233 A FR7631233 A FR 7631233A FR 7631233 A FR7631233 A FR 7631233A FR 2328324 A1 FR2328324 A1 FR 2328324A1
Authority
FR
France
Prior art keywords
circuits
selecting
signals
frequency
arrangement
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
FR7631233A
Other languages
English (en)
Other versions
FR2328324B1 (fr
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.)
Indesit Industria Elettrodomestici Italiana SpA
Original Assignee
Indesit Industria Elettrodomestici Italiana SpA
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 Indesit Industria Elettrodomestici Italiana SpA filed Critical Indesit Industria Elettrodomestici Italiana SpA
Publication of FR2328324A1 publication Critical patent/FR2328324A1/fr
Application granted granted Critical
Publication of FR2328324B1 publication Critical patent/FR2328324B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
    • 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)
FR7631233A 1975-10-16 1976-10-18 Agencement de circuits de selection d'une frequence de signaux pouvant etre recus dans un poste recepteur Granted FR2328324A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT69579/75A IT1047373B (it) 1975-10-16 1975-10-16 Disposizione per selezionare una frequenza ricevibile in un ricevitore di segnali

Publications (2)

Publication Number Publication Date
FR2328324A1 true FR2328324A1 (fr) 1977-05-13
FR2328324B1 FR2328324B1 (fr) 1982-05-07

Family

ID=11312422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7631233A Granted FR2328324A1 (fr) 1975-10-16 1976-10-18 Agencement de circuits de selection d'une frequence de signaux pouvant etre recus dans un poste recepteur

Country Status (6)

Country Link
US (1) US4355416A (fr)
DE (1) DE2645833A1 (fr)
FR (1) FR2328324A1 (fr)
GB (2) GB1538295A (fr)
IT (1) IT1047373B (fr)
NL (1) NL185743C (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418592A1 (fr) * 1978-02-22 1979-09-21 Plessey Handel Investment Ag Dispositif de commande de synthese de frequence
FR2423092A1 (fr) * 1977-12-30 1979-11-09 Indesit Circuit d'accord automatique pour un recepteur de television
FR2483704A1 (fr) * 1980-06-03 1981-12-04 Thomson Csf Dispositif de prepositionnement de frequence pour synthetiseur indirect de frequence et synthetiseur comportant un tel dispositif

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1050947B (it) * 1975-11-17 1981-03-20 Indesit Circuito di selezione di segnali
JPS5946129B2 (ja) * 1976-04-05 1984-11-10 ソニー株式会社 選局装置
GB2002188B (en) * 1977-06-30 1982-03-24 Pioneer Electronic Corp Preset state indicating unit in an electronic type receiver
IT1107168B (it) 1978-06-26 1985-11-25 Indesit Perfezionamenti a dispositivi pr la selezione di un segnale
IT1159686B (it) * 1978-05-22 1987-03-04 Indesit Televisore
IT1159717B (it) * 1978-06-08 1987-03-04 Indesit Perfezionamenti a dispositivi di selezione di segnali
EP0009617B1 (fr) * 1978-08-28 1984-03-14 Sanyo Electric Co., Ltd. Circuit pour la commande d'une fréquence de réception et unité d'affichage indiquant les canaux dans un récepteur superhétérodyne
JPS5531391A (en) * 1978-08-28 1980-03-05 Sanyo Electric Co Ltd 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
GB2124047A (en) * 1982-07-10 1984-02-08 Plessey Co Plc Frequency synthesiser
GB2155263A (en) * 1984-03-02 1985-09-18 Philips Electronic Associated Frequency synthesised multichannel radio apparatus
JPH0198100A (ja) * 1987-10-09 1989-04-17 Japan Radio Co Ltd Ｍｌｓ受信機
DE3825427A1 (de) * 1988-07-27 1990-02-01 Grundig Emv Anordnung zur programmanwahl bei empfangsgeraeten der unterhaltungselektronik
US5045947A (en) * 1989-05-31 1991-09-03 Jack Beery Television receiver having memory control for tune-by-label feature
US5551071A (en) * 1994-02-15 1996-08-27 Uniden Corp. Channel sorting scanning receiver
US5483684A (en) * 1994-03-03 1996-01-09 Uniden America Corporation Automatic frequency search and storage method
US5465402A (en) * 1994-03-23 1995-11-07 Uniden America Corp. Automatic frequency transfer and storage method
FR2751809A1 (fr) * 1996-07-24 1998-01-30 Philips Electronics Nv Dispositif de selection de frequence muni d'un detecteur de verrouillage
JP3399347B2 (ja) * 1998-03-05 2003-04-21 松下電器産業株式会社 録画再生装置
GB2396526B (en) * 2002-12-19 2005-06-01 Motorola Inc Mobile station and method for selecting a radio frequency for call set-up

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3622913A (en) * 1969-10-29 1971-11-23 Rca Corp Frequency modulated phase-locked oscillator having a low- and high-frequency response
US3657661A (en) * 1970-06-16 1972-04-18 Itt Fm demodulator system
JPS555729B2 (fr) * 1971-11-29 1980-02-08
US3961261A (en) * 1974-03-14 1976-06-01 Tennelec, Inc. Crystalless scanning radio receiver
US3883807A (en) * 1974-05-30 1975-05-13 Motorola Inc Tuning control system
US3946148A (en) * 1974-10-03 1976-03-23 Zenith Radio Corporation Television receiver operable in exact or extended range tuning modes
US3983484A (en) * 1974-12-06 1976-09-28 Nihon Dengyo Co., Ltd. Multichannel signal transmitting and receiving apparatus
US4000476A (en) * 1974-12-19 1976-12-28 Digital Communications Corporation Phase locked loop with circuit for preventing sidelock
JPS51117510A (en) * 1975-04-07 1976-10-15 Shintou Denki Kk Double superheterodyne receiver
IT1036497B (it) * 1975-07-11 1979-10-30 Indesit Circuito selezionatore di emittente in un ricevitore di segnali
US3980951A (en) * 1975-08-13 1976-09-14 Fairchild Camera And Instrument Corporation Electronic tuning control system for television
GB1518712A (en) * 1975-08-28 1978-07-26 Sony Corp Channel selecting apparatus
US4025953A (en) * 1975-11-26 1977-05-24 Quasar Electronics Corporation Frequency synthesizer tuning system for television receivers
US3988696A (en) * 1975-11-28 1976-10-26 The Bendix Corporation Phase lock detector for digital frequency synthesizer
US4038689A (en) * 1976-06-14 1977-07-26 Matsushita Electric Corporation Of America Frequency synthesizer tuning system with manual fine tuning control

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NV8080/71 *
NV8087/74 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2423092A1 (fr) * 1977-12-30 1979-11-09 Indesit Circuit d'accord automatique pour un recepteur de television
FR2418592A1 (fr) * 1978-02-22 1979-09-21 Plessey Handel Investment Ag Dispositif de commande de synthese de frequence
FR2483704A1 (fr) * 1980-06-03 1981-12-04 Thomson Csf Dispositif de prepositionnement de frequence pour synthetiseur indirect de frequence et synthetiseur comportant un tel dispositif
EP0041882A1 (fr) * 1980-06-03 1981-12-16 Thomson-Csf Dispositif de prépositionnement de fréquence pour synthétiseur indirect de fréquence, et synthétiseur comportant un tel dispositif

Also Published As

Publication number Publication date
GB1538295A (en) 1979-01-17
NL185743C (nl) 1990-07-02
NL7611453A (nl) 1977-04-19
US4355416A (en) 1982-10-19
DE2645833C2 (fr) 1987-01-29
FR2328324B1 (fr) 1982-05-07
DE2645833A1 (de) 1977-04-21
NL185743B (nl) 1990-02-01
GB1538294A (en) 1979-01-17
IT1047373B (it) 1980-09-10

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Legal Events

Date Code Title Description
CA Change of address
TP Transmission of property
CL Concession to grant licences