FR2331916A1 - Agencement de circuits a synthese de frequence pour l'accord de postes recepteurs - Google Patents

Agencement de circuits a synthese de frequence pour l'accord de postes recepteurs

Info

Publication number
FR2331916A1
FR2331916A1 FR7634116A FR7634116A FR2331916A1 FR 2331916 A1 FR2331916 A1 FR 2331916A1 FR 7634116 A FR7634116 A FR 7634116A FR 7634116 A FR7634116 A FR 7634116A FR 2331916 A1 FR2331916 A1 FR 2331916A1
Authority
FR
France
Prior art keywords
agreement
arrangement
frequency synthesis
receiver stations
synthesis circuits
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
FR7634116A
Other languages
English (en)
French (fr)
Other versions
FR2331916B1 (enExample
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 FR2331916A1 publication Critical patent/FR2331916A1/fr
Application granted granted Critical
Publication of FR2331916B1 publication Critical patent/FR2331916B1/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00Discontinuous 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
    • H03J5/02Discontinuous 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
    • H03J5/0245Discontinuous 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
    • H03J5/0272Discontinuous 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
    • H03J5/0281Discontinuous 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00Discontinuous 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
    • H03J5/02Discontinuous 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
    • H03J5/0245Discontinuous 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
    • H03J5/0272Discontinuous 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
FR7634116A 1975-11-11 1976-11-12 Agencement de circuits a synthese de frequence pour l'accord de postes recepteurs Granted FR2331916A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT69771/75A IT1051262B (it) 1975-11-11 1975-11-11 Sintonizzatore a sintesi di frequenza

Publications (2)

Publication Number Publication Date
FR2331916A1 true FR2331916A1 (fr) 1977-06-10
FR2331916B1 FR2331916B1 (enExample) 1982-09-17

Family

ID=11312799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7634116A Granted FR2331916A1 (fr) 1975-11-11 1976-11-12 Agencement de circuits a synthese de frequence pour l'accord de postes recepteurs

Country Status (6)

Country Link
US (1) US4283791A (enExample)
DE (2) DE2661116C2 (enExample)
FR (1) FR2331916A1 (enExample)
GB (1) GB1550413A (enExample)
IT (1) IT1051262B (enExample)
NL (1) NL189064C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2388440A1 (fr) * 1977-04-21 1978-11-17 Sony Corp Dispositif d'accord electronique comportant notamment une memoire numerique

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2858826C2 (de) * 1977-12-30 1996-09-12 Sisvel Spa Schaltungsanordnung zum Abstimmen eines Fernsehsignalempfängers
IT1091632B (it) 1977-12-30 1985-07-06 Indesit Disposizione circuitale per sintonizzare un segnale tra una pluralita di segnali radioelettrici
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
DE3634246A1 (de) * 1986-10-08 1988-04-21 Grundig Emv Abstimmsystem, insbesondere fuer videogeneratoren und fernsehempfaenger
DE3830921A1 (de) * 1988-09-12 1990-03-22 Grundig Emv Anordnung zur anpassung eines empfangsgeraetes an verschiedene kanalraster

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2334241A1 (fr) * 1975-12-01 1977-07-01 Matsushita Electric Industrial Co Ltd Appareil selecteur de canaux notamment pour recepteurs radiophoniques ou de television

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665223A (en) * 1969-11-28 1972-05-23 Armor Elevator Co Inc Multiple potentiometer timer for elevator controls
US3665316A (en) * 1970-07-06 1972-05-23 Jerrold Electronics Corp Maximum channel utilization using single ended amplifiers in a frequency band greater than one octave
US3665323A (en) * 1971-05-10 1972-05-23 Collins Radio Co Proportional digital control for radio frequency synthesizers
US3803494A (en) * 1972-04-07 1974-04-09 Bendix Corp Pulse tuning control system for radio receivers
US3898566A (en) * 1972-10-02 1975-08-05 Phasecom Corp Method and apparatus for reducing distortion in multicarrier communication systems
JPS5325721B2 (enExample) * 1973-11-07 1978-07-28
JPS5092603U (enExample) * 1973-12-27 1975-08-05
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
JPS5823972B2 (ja) * 1975-05-30 1983-05-18 三洋電機株式会社 多バンドデイジタルシンセサイザ受信機

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2334241A1 (fr) * 1975-12-01 1977-07-01 Matsushita Electric Industrial Co Ltd Appareil selecteur de canaux notamment pour recepteurs radiophoniques ou de television

Non-Patent Citations (1)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2388440A1 (fr) * 1977-04-21 1978-11-17 Sony Corp Dispositif d'accord electronique comportant notamment une memoire numerique

Also Published As

Publication number Publication date
FR2331916B1 (enExample) 1982-09-17
IT1051262B (it) 1981-04-21
US4283791A (en) 1981-08-11
NL189064B (nl) 1992-07-16
NL7612254A (nl) 1977-05-13
DE2661116C2 (de) 1993-10-14
NL189064C (nl) 1992-12-16
DE2651030A1 (de) 1977-05-12
GB1550413A (en) 1979-08-15

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Legal Events

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