IT1107199B - Ricevitore comprendente un organo di sintonia ed un circuito soppressore della correzione di sintonia automatica - Google Patents

Ricevitore comprendente un organo di sintonia ed un circuito soppressore della correzione di sintonia automatica

Info

Publication number
IT1107199B
IT1107199B IT67982/78A IT6798278A IT1107199B IT 1107199 B IT1107199 B IT 1107199B IT 67982/78 A IT67982/78 A IT 67982/78A IT 6798278 A IT6798278 A IT 6798278A IT 1107199 B IT1107199 B IT 1107199B
Authority
IT
Italy
Prior art keywords
tuning
receiver including
correction
suppressor circuit
automatic
Prior art date
Application number
IT67982/78A
Other languages
English (en)
Other versions
IT7867982A0 (it
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of IT7867982A0 publication Critical patent/IT7867982A0/it
Application granted granted Critical
Publication of IT1107199B publication Critical patent/IT1107199B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/12—Electrically-operated arrangements for indicating correct tuning
    • H03J3/14—Visual indication, e.g. magic eye
    • 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
    • H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values
    • 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
    • H03J7/023—Neutralization of the automatic frequency correction during a tuning change
    • 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
    • H03J7/06—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 using counters or frequency dividers
    • H03J7/065—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 using counters or frequency dividers the counter or frequency divider being used in a phase locked loop
IT67982/78A 1977-05-02 1978-04-28 Ricevitore comprendente un organo di sintonia ed un circuito soppressore della correzione di sintonia automatica IT1107199B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7704772A NL7704772A (nl) 1977-05-02 1977-05-02 Ontvanger voorzien van een afstemorgaan en een automatische afstemkorrektie-onderdrukkings- schakeling.

Publications (2)

Publication Number Publication Date
IT7867982A0 IT7867982A0 (it) 1978-04-28
IT1107199B true IT1107199B (it) 1985-11-25

Family

ID=19828469

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67982/78A IT1107199B (it) 1977-05-02 1978-04-28 Ricevitore comprendente un organo di sintonia ed un circuito soppressore della correzione di sintonia automatica

Country Status (9)

Country Link
US (1) US4234961A (it)
JP (1) JPS53136401A (it)
AU (1) AU512469B2 (it)
DE (1) DE2817730A1 (it)
ES (1) ES469326A1 (it)
FR (1) FR2390046A1 (it)
GB (1) GB1560199A (it)
IT (1) IT1107199B (it)
NL (1) NL7704772A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504973A (en) * 1984-03-02 1985-03-12 Aed Satellite Systems, Ltd. Automatic disabling of AFC/AFT controller during receiver circuit tuning

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115796B (de) * 1959-02-20 1961-10-26 Loewe Opta Ag Einrichtung zur Vermeidung des Mitziehens der automatischen Scharfabstimmeinrichtung fuer Hochfrequenzempfangsgeraete
US3440544A (en) * 1966-11-01 1969-04-22 Motorola Inc Manual,automatic,and semiautomatic tuning circuits utilizing voltage variable capacitance diodes
DE1292221B (de) * 1967-04-14 1969-04-10 Braun Ag Selbsttaetige Schaltung von elektronischen Abstimmhilfen
US3736442A (en) * 1971-06-16 1973-05-29 Bell Telephone Labor Inc Regenerative sweep circuits using field effect transistors
US3968437A (en) * 1972-11-15 1976-07-06 U.S. Philips Corporation Receiver including an automatic tuning correction suppression circuit coupled to a tuning member
US3835384A (en) * 1972-12-20 1974-09-10 Gen Dynamics Corp Tuning system
DE2263996A1 (de) * 1972-12-29 1974-07-11 Licentia Gmbh Rundfunkempfaenger mit diodenabstimmung
DE2333044B2 (de) * 1973-06-29 1977-05-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zur abstimmung eines rundfunkempfaengers mit automatischer scharfabstimmung
US3949158A (en) * 1974-12-31 1976-04-06 Quasar Electronics Corporation Wide band aft circuit for television receiver
DE2513339A1 (de) * 1975-03-26 1976-10-07 Licentia Gmbh Abstimmschaltung fuer hochfrequenz- ueberlagerungsempfaenger
NL7510149A (nl) * 1975-08-28 1977-03-02 Philips Nv Ontvanger met een met een afstemorgaan gekop- pelde automatische afstemcorrectieonderdruk- kingsschakeling.
US4122395A (en) * 1976-05-10 1978-10-24 Draco Laboratories, Inc. Radio control circuit with microprocessor
GB1588949A (en) * 1977-03-30 1981-05-07 Sony Corp Tuning apparatus

Also Published As

Publication number Publication date
IT7867982A0 (it) 1978-04-28
NL7704772A (nl) 1978-11-06
AU512469B2 (en) 1980-10-09
US4234961A (en) 1980-11-18
DE2817730A1 (de) 1978-11-09
GB1560199A (en) 1980-01-30
FR2390046A1 (it) 1978-12-01
ES469326A1 (es) 1979-01-16
JPS53136401A (en) 1978-11-29
AU3556678A (en) 1979-11-01

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