IT1011150B - Disposizione circuitale per la cor rezione automatica della frequenza in radioricevitori o televisori - Google Patents

Disposizione circuitale per la cor rezione automatica della frequenza in radioricevitori o televisori

Info

Publication number
IT1011150B
IT1011150B IT49639/74A IT4963974A IT1011150B IT 1011150 B IT1011150 B IT 1011150B IT 49639/74 A IT49639/74 A IT 49639/74A IT 4963974 A IT4963974 A IT 4963974A IT 1011150 B IT1011150 B IT 1011150B
Authority
IT
Italy
Prior art keywords
radior
reection
televisions
receivers
automatic frequency
Prior art date
Application number
IT49639/74A
Other languages
English (en)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1011150B publication Critical patent/IT1011150B/it

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
    • H03J7/08—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 varactors, i.e. voltage variable reactive diodes
    • H03J7/12—Combination of automatic frequency control voltage with stabilised varactor supply voltage
    • 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
IT49639/74A 1973-03-29 1974-03-26 Disposizione circuitale per la cor rezione automatica della frequenza in radioricevitori o televisori IT1011150B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2315798A DE2315798C3 (de) 1973-03-29 1973-03-29 Schaltung zur automatischen Frequenznachstimmung in Rundfunk- und Fernsehempfängern

Publications (1)

Publication Number Publication Date
IT1011150B true IT1011150B (it) 1977-01-20

Family

ID=5876397

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49639/74A IT1011150B (it) 1973-03-29 1974-03-26 Disposizione circuitale per la cor rezione automatica della frequenza in radioricevitori o televisori

Country Status (8)

Country Link
US (1) US3906372A (it)
JP (1) JPS49130611A (it)
DE (1) DE2315798C3 (it)
FR (1) FR2223901B1 (it)
GB (1) GB1448775A (it)
IT (1) IT1011150B (it)
NL (1) NL7315463A (it)
SE (1) SE390782B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7510149A (nl) * 1975-08-28 1977-03-02 Philips Nv Ontvanger met een met een afstemorgaan gekop- pelde automatische afstemcorrectieonderdruk- kingsschakeling.
JPS5826692B2 (ja) * 1975-11-20 1983-06-04 ソニー株式会社 センキヨクソウチ
DE2553303C3 (de) * 1975-11-27 1982-03-11 Blaupunkt-Werke Gmbh, 3200 Hildesheim Abstimmhilfe für einen FM-Autoempfänger
US4100578A (en) * 1977-05-03 1978-07-11 Admiral Corporation AFT summing circuit for varactor-type tuning systems
TW416190B (en) * 1999-03-18 2000-12-21 Vanguard Int Semiconduct Corp Digital receiving device
JP3988392B2 (ja) * 2001-01-24 2007-10-10 日本電気株式会社 携帯無線端末、ａｆｃ制御方法及びａｆｃ制御プログラム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA975064A (en) * 1970-12-07 1975-09-23 Matsushita Electric Industrial Co., Ltd. Tuning system
US3743944A (en) * 1971-05-17 1973-07-03 Rca Corp Automatic tuning control circuits

Also Published As

Publication number Publication date
SE390782B (sv) 1977-01-17
GB1448775A (en) 1976-09-08
FR2223901B1 (it) 1978-01-06
DE2315798A1 (de) 1974-10-10
FR2223901A1 (it) 1974-10-25
NL7315463A (it) 1974-10-01
DE2315798B2 (de) 1976-05-13
JPS49130611A (it) 1974-12-14
DE2315798C3 (de) 1981-11-19
US3906372A (en) 1975-09-16

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