GB1482241A - Circuit for the automatic tuning of a receiver - Google Patents

Circuit for the automatic tuning of a receiver

Info

Publication number
GB1482241A
GB1482241A GB1881475A GB1881475A GB1482241A GB 1482241 A GB1482241 A GB 1482241A GB 1881475 A GB1881475 A GB 1881475A GB 1881475 A GB1881475 A GB 1881475A GB 1482241 A GB1482241 A GB 1482241A
Authority
GB
United Kingdom
Prior art keywords
signal
amplitude
signals
circuit
frequency
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.)
Expired
Application number
GB1881475A
Other languages
English (en)
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 GB1482241A publication Critical patent/GB1482241A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
GB1881475A 1974-05-08 1975-05-05 Circuit for the automatic tuning of a receiver Expired GB1482241A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT6843674A IT1014132B (it) 1974-05-08 1974-05-08 Circuito per la sintonizzazione automatica di un apparecchio rice vitore di segnali

Publications (1)

Publication Number Publication Date
GB1482241A true GB1482241A (en) 1977-08-10

Family

ID=11309407

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1881475A Expired GB1482241A (en) 1974-05-08 1975-05-05 Circuit for the automatic tuning of a receiver

Country Status (6)

Country Link
BE (1) BE828802A (enExample)
DE (1) DE2520452C2 (enExample)
FR (1) FR2270743B1 (enExample)
GB (1) GB1482241A (enExample)
IT (1) IT1014132B (enExample)
NL (1) NL188382C (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941050A (en) * 1988-04-27 1990-07-10 U.S. Philips Corporation An afc arrangement for tuning a television receiving apparatus to a select transmission having an actual carrier frequency which differs from a nominal carrrier frequency
EP1104184A3 (en) * 1999-11-29 2001-12-19 Deutsche Thomson-Brandt Gmbh Improving the video frequency response

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714132A (en) * 1952-02-27 1955-07-26 Rca Corp Automatic frequency control circuit
US2953637A (en) * 1957-03-19 1960-09-20 Westinghouse Electric Corp Television apparatus
BE572138A (enExample) * 1957-10-19
DE1163371B (de) * 1959-11-30 1964-02-20 Philips Patentverwaltung Fernsehempfaenger mit einer Schaltungsanordnung zur Gewinnung einer der Verstimmung entsprechenden Steuergroesse
DE1487141A1 (de) * 1966-08-26 1969-01-02 Standard Elek K Lorenz Ag Schaltung zur Erzeugung einer Regelspannung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941050A (en) * 1988-04-27 1990-07-10 U.S. Philips Corporation An afc arrangement for tuning a television receiving apparatus to a select transmission having an actual carrier frequency which differs from a nominal carrrier frequency
EP1104184A3 (en) * 1999-11-29 2001-12-19 Deutsche Thomson-Brandt Gmbh Improving the video frequency response
US6697128B1 (en) 1999-11-29 2004-02-24 Thomson Licensing S.A. Video frequency response
CN100353754C (zh) * 1999-11-29 2007-12-05 德国汤姆逊-布朗特公司 改进视频频率响应

Also Published As

Publication number Publication date
IT1014132B (it) 1977-04-20
NL188382C (nl) 1992-06-01
BE828802A (fr) 1975-09-01
FR2270743A1 (enExample) 1975-12-05
DE2520452C2 (de) 1984-09-27
FR2270743B1 (enExample) 1982-07-16
DE2520452A1 (de) 1975-11-20
NL7505414A (nl) 1975-11-11
NL188382B (nl) 1992-01-02

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940505