IT1047373B - Disposizione per selezionare una frequenza ricevibile in un ricevitore di segnali - Google Patents

Disposizione per selezionare una frequenza ricevibile in un ricevitore di segnali

Info

Publication number
IT1047373B
IT1047373B IT69579/75A IT6957975A IT1047373B IT 1047373 B IT1047373 B IT 1047373B IT 69579/75 A IT69579/75 A IT 69579/75A IT 6957975 A IT6957975 A IT 6957975A IT 1047373 B IT1047373 B IT 1047373B
Authority
IT
Italy
Prior art keywords
selecting
arrangement
signal receiver
receivable frequency
receivable
Prior art date
Application number
IT69579/75A
Other languages
English (en)
Original Assignee
Indesit
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 filed Critical Indesit
Priority to IT69579/75A priority Critical patent/IT1047373B/it
Priority to US05/729,757 priority patent/US4355416A/en
Priority to GB30248/77A priority patent/GB1538295A/en
Priority to GB41282/76A priority patent/GB1538294A/en
Priority to DE2645833A priority patent/DE2645833C2/de
Priority to NLAANVRAGE7611453,A priority patent/NL185743C/xx
Priority to FR7631233A priority patent/FR2328324A1/fr
Application granted granted Critical
Publication of IT1047373B publication Critical patent/IT1047373B/it

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)
IT69579/75A 1975-10-16 1975-10-16 Disposizione per selezionare una frequenza ricevibile in un ricevitore di segnali IT1047373B (it)

Priority Applications (7)

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
US05/729,757 US4355416A (en) 1975-10-16 1976-10-05 Circuit arrangement for the selection of a frequency of signals receivable in a receiving set
GB30248/77A GB1538295A (en) 1975-10-16 1976-10-05 Television signal receiving set
GB41282/76A GB1538294A (en) 1975-10-16 1976-10-05 Circuit arrangement for the selection of a frequency of signals receivable in a receiving set
DE2645833A DE2645833C2 (de) 1975-10-16 1976-10-11 Digitale Abstimmschaltung eines Funkempfängers
NLAANVRAGE7611453,A NL185743C (nl) 1975-10-16 1976-10-15 Digitale afstemschakeling voor het afstemmen van een televisie-ontvanger op een geselecteerde frequentie.
FR7631233A 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

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 (1)

Publication Number Publication Date
IT1047373B true IT1047373B (it) 1980-09-10

Family

ID=11312422

Family Applications (1)

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

Country Status (6)

Country Link
US (1) US4355416A (it)
DE (1) DE2645833C2 (it)
FR (1) FR2328324A1 (it)
GB (2) GB1538294A (it)
IT (1) IT1047373B (it)
NL (1) NL185743C (it)

Families Citing this family (23)

* 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
IT1091632B (it) * 1977-12-30 1985-07-06 Indesit Disposizione circuitale per sintonizzare un segnale tra una pluralita di segnali radioelettrici
DE2906059A1 (de) * 1978-02-22 1979-08-30 Plessey Handel Investment Ag Frequenzsynthese-steuersystem
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
JPS5531391A (en) * 1978-08-28 1980-03-05 Sanyo Electric Co Ltd Receiver
DE2966791D1 (en) * 1978-08-28 1984-04-19 Sanyo Electric Co Circuit for controlling a receiving frequency and a channel display in a superheterodyne 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
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
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 (it) * 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

Also Published As

Publication number Publication date
NL7611453A (nl) 1977-04-19
GB1538295A (en) 1979-01-17
DE2645833C2 (de) 1987-01-29
US4355416A (en) 1982-10-19
GB1538294A (en) 1979-01-17
DE2645833A1 (de) 1977-04-21
FR2328324A1 (fr) 1977-05-13
NL185743B (nl) 1990-02-01
FR2328324B1 (it) 1982-05-07
NL185743C (nl) 1990-07-02

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941025