FI823985A0 - Avstaemningsanordning foer erhaollande av relativt enhetlig automatisk finavstaemningskaenslighet - Google Patents

Avstaemningsanordning foer erhaollande av relativt enhetlig automatisk finavstaemningskaenslighet

Info

Publication number
FI823985A0
FI823985A0 FI823985A FI823985A FI823985A0 FI 823985 A0 FI823985 A0 FI 823985A0 FI 823985 A FI823985 A FI 823985A FI 823985 A FI823985 A FI 823985A FI 823985 A0 FI823985 A0 FI 823985A0
Authority
FI
Finland
Prior art keywords
finavstaemningskaenslighet
enhetlig
relativt
automatisk
adjustment
Prior art date
Application number
FI823985A
Other languages
English (en)
Other versions
FI823985L (fi
Inventor
Jr Billy Wesley Beyers
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of FI823985A0 publication Critical patent/FI823985A0/fi
Publication of FI823985L publication Critical patent/FI823985L/fi

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/10—Circuit arrangements for fine tuning, e.g. bandspreading
    • 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
    • H03J5/0254—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 transfered to a D/A converter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/045—Modification of automatic frequency control sensitivity or linearising automatic frequency control operation; Modification of the working range

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Television Receiver Circuits (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
FI823985A 1981-11-27 1982-11-19 Avstaemningsanordning foer erhaollande av relativt enhetlig automatisk finavstaemningskaenslighet FI823985L (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/325,313 US4450587A (en) 1981-11-27 1981-11-27 Tuning arrangement for providing relatively uniform automatic fine tuning sensitivity

Publications (2)

Publication Number Publication Date
FI823985A0 true FI823985A0 (fi) 1982-11-19
FI823985L FI823985L (fi) 1983-05-28

Family

ID=23267367

Family Applications (1)

Application Number Title Priority Date Filing Date
FI823985A FI823985L (fi) 1981-11-27 1982-11-19 Avstaemningsanordning foer erhaollande av relativt enhetlig automatisk finavstaemningskaenslighet

Country Status (10)

Country Link
US (1) US4450587A (fi)
JP (1) JPS58104518A (fi)
KR (1) KR840002600A (fi)
DE (1) DE3243652A1 (fi)
ES (1) ES8309039A1 (fi)
FI (1) FI823985L (fi)
FR (1) FR2517497A1 (fi)
GB (1) GB2110492B (fi)
IT (1) IT1154598B (fi)
SE (1) SE8206605L (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0724813Y2 (ja) * 1988-02-26 1995-06-05 株式会社東芝 電子同調チューナの電圧重畳回路
KR0153730B1 (ko) * 1995-10-26 1998-12-15 김광호 전압동조튜닝방식의 채널선국방법
US6278867B1 (en) * 1998-11-25 2001-08-21 Ericsson Inc. Methods and systems for frequency generation for wireless devices

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2872579A (en) * 1955-03-01 1959-02-03 Rca Corp Frequency control
DE1222553B (de) * 1964-10-01 1966-08-11 Grundig Max Schaltung zur Abstimmung und selbsttaetigen Scharfabstimmung elektronisch abstimmbarer Schwingkreise
US3631347A (en) * 1968-12-04 1971-12-28 Magnavox Co Method and apparatus for fine tuning for a television set having both vhf and uhf ranges
US3814843A (en) * 1972-10-02 1974-06-04 Gte Sylvania Inc Gated afc circuit
FR2211812B1 (fi) * 1972-12-21 1977-07-22 Trt Telecom Radio Electr
US3940714A (en) * 1973-12-27 1976-02-24 Alps Electric Co., Ltd. AFC circuit with improved sensitivity
DE2718472C2 (de) * 1977-04-26 1986-05-15 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Abstimmschaltung für einen Hochfrequenz-Überlagerungsempfänger mit gleichspannungsgesteuerter Abstimmung
US4142157A (en) * 1977-04-28 1979-02-27 Zenith Radio Corporation Tuning system equalized with the slope factor of the tuning curve
US4125863A (en) * 1977-09-09 1978-11-14 Gte Sylvania Incorporated AFC waveshaping circuit
US4122493A (en) * 1977-09-16 1978-10-24 Gte Sylvania Incorporated Adaptive wideband AFC system
US4262364A (en) * 1978-02-27 1981-04-14 Tokyo Shibaura Denki Kabushiki Kaisha Electronic digital channel-selecting apparatus
US4245351A (en) * 1979-07-30 1981-01-13 Rca Corporation AFT Arrangement for a phase locked loop tuning system
JPS5646325A (en) * 1979-09-21 1981-04-27 Toshiba Corp Electronic tuner
US4364026A (en) * 1979-11-30 1982-12-14 Rca Corporation Digital-to-analog converter useful in a television receiver
GB2073981B (en) * 1980-04-08 1983-09-28 Rca Corp Frequency comparison arrangement for a digital tuning system

Also Published As

Publication number Publication date
FI823985L (fi) 1983-05-28
IT8224475A0 (it) 1982-11-26
KR840002600A (ko) 1984-07-02
FR2517497A1 (fr) 1983-06-03
SE8206605L (sv) 1983-05-28
US4450587A (en) 1984-05-22
GB2110492A (en) 1983-06-15
GB2110492B (en) 1985-06-12
ES517555A0 (es) 1983-10-01
ES8309039A1 (es) 1983-10-01
SE8206605D0 (sv) 1982-11-19
JPS58104518A (ja) 1983-06-22
IT8224475A1 (it) 1984-05-26
IT1154598B (it) 1987-01-21
DE3243652A1 (de) 1983-06-09

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: RCA CORPORATION