IT1119321B - Disposizione circuitale per sintonizzare un segnale tra una pluralita di segnali radioelettrici - Google Patents

Disposizione circuitale per sintonizzare un segnale tra una pluralita di segnali radioelettrici

Info

Publication number
IT1119321B
IT1119321B IT68393/79A IT6839379A IT1119321B IT 1119321 B IT1119321 B IT 1119321B IT 68393/79 A IT68393/79 A IT 68393/79A IT 6839379 A IT6839379 A IT 6839379A IT 1119321 B IT1119321 B IT 1119321B
Authority
IT
Italy
Prior art keywords
circuitary
tune
arrangement
signal
radioelectric signals
Prior art date
Application number
IT68393/79A
Other languages
English (en)
Other versions
IT7968393A0 (it
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 IT68393/79A priority Critical patent/IT1119321B/it
Publication of IT7968393A0 publication Critical patent/IT7968393A0/it
Priority to US06/164,849 priority patent/US4317226A/en
Priority to GB8021476A priority patent/GB2053601B/en
Application granted granted Critical
Publication of IT1119321B publication Critical patent/IT1119321B/it

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)
  • Input From Keyboards Or The Like (AREA)
IT68393/79A 1979-07-02 1979-07-02 Disposizione circuitale per sintonizzare un segnale tra una pluralita di segnali radioelettrici IT1119321B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT68393/79A IT1119321B (it) 1979-07-02 1979-07-02 Disposizione circuitale per sintonizzare un segnale tra una pluralita di segnali radioelettrici
US06/164,849 US4317226A (en) 1979-07-02 1980-06-30 Circuit arrangement for tuning into one of a number of radioelectric signals
GB8021476A GB2053601B (en) 1979-07-02 1980-07-01 Circuit arrangement for tuning into one of a number of radioelectric signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68393/79A IT1119321B (it) 1979-07-02 1979-07-02 Disposizione circuitale per sintonizzare un segnale tra una pluralita di segnali radioelettrici

Publications (2)

Publication Number Publication Date
IT7968393A0 IT7968393A0 (it) 1979-07-02
IT1119321B true IT1119321B (it) 1986-03-10

Family

ID=11309249

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68393/79A IT1119321B (it) 1979-07-02 1979-07-02 Disposizione circuitale per sintonizzare un segnale tra una pluralita di segnali radioelettrici

Country Status (3)

Country Link
US (1) US4317226A (it)
GB (1) GB2053601B (it)
IT (1) IT1119321B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4387400A (en) * 1981-05-11 1983-06-07 Zenith Radio Corporation Tuning system for a television receiver
US4651282A (en) * 1984-05-30 1987-03-17 Texas Instruments Incorporated Microcomputer based keyboard command entry concept for VHF communication and navigation systems
GB2301963B (en) * 1992-07-15 1997-03-05 Futaba Denshi Kogyo Kk Pulse generating unit for a transmitter for a radio control device
JPH11501189A (ja) * 1995-12-21 1999-01-26 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ ２つの信号を比較する受信機、装置および方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2648882A1 (de) * 1976-10-28 1978-05-03 Licentia Gmbh Elektronisches kanalwahlsystem, insbesondere fuer fernsehgeraete
JPS5828968B2 (ja) * 1977-08-31 1983-06-20 ソニー株式会社 Ｐｌｌ方式周波数シンセサイザチュ−ナ
US4228542A (en) * 1977-10-17 1980-10-14 Pioneer Electronic Corporation Digital tuning FM stereophonic receiver including phase locked loop synthesizer

Also Published As

Publication number Publication date
US4317226A (en) 1982-02-23
GB2053601A (en) 1981-02-04
IT7968393A0 (it) 1979-07-02
GB2053601B (en) 1983-12-21

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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: 19970729