ATE95021T1 - Fernsehabstimmsystem mit aft-einrichtung. - Google Patents

Fernsehabstimmsystem mit aft-einrichtung.

Info

Publication number
ATE95021T1
ATE95021T1 AT87300856T AT87300856T ATE95021T1 AT E95021 T1 ATE95021 T1 AT E95021T1 AT 87300856 T AT87300856 T AT 87300856T AT 87300856 T AT87300856 T AT 87300856T AT E95021 T1 ATE95021 T1 AT E95021T1
Authority
AT
Austria
Prior art keywords
aft
facilities
tune system
amplitude
television
Prior art date
Application number
AT87300856T
Other languages
English (en)
Inventor
William John Testin
Juri Tults
Original Assignee
Rca Thomson Licensing 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 Thomson Licensing Corp filed Critical Rca Thomson Licensing Corp
Application granted granted Critical
Publication of ATE95021T1 publication Critical patent/ATE95021T1/de

Links

Classifications

    • 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)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Alarm Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Selective Calling Equipment (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Noise Elimination (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
AT87300856T 1986-01-31 1987-01-30 Fernsehabstimmsystem mit aft-einrichtung. ATE95021T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/824,602 US4689685A (en) 1986-01-31 1986-01-31 Television tuning system with AFT provisions
EP87300856A EP0237167B1 (de) 1986-01-31 1987-01-30 Fernsehabstimmsystem mit AFT-Einrichtung

Publications (1)

Publication Number Publication Date
ATE95021T1 true ATE95021T1 (de) 1993-10-15

Family

ID=25241833

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87300856T ATE95021T1 (de) 1986-01-31 1987-01-30 Fernsehabstimmsystem mit aft-einrichtung.

Country Status (10)

Country Link
US (1) US4689685A (de)
EP (1) EP0237167B1 (de)
JP (1) JPH07110056B2 (de)
KR (1) KR960001545B1 (de)
AT (1) ATE95021T1 (de)
CA (1) CA1237519A (de)
DE (1) DE3787481T2 (de)
ES (1) ES2043650T3 (de)
FI (1) FI83012C (de)
NZ (1) NZ219126A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2685744B2 (ja) * 1986-08-20 1997-12-03 三菱電機株式会社 テレビジヨン信号選局装置
US4868892A (en) * 1987-05-08 1989-09-19 Rca Licensing Corporation Tuning system with provisions for calculating the local oscillator frequency from an aft characteristic
US4955074A (en) * 1988-05-30 1990-09-04 Matsushita Electric Industrial Co., Ltd. AFC apparatus with selection between average value mode and keyed mode
NL8801874A (nl) * 1988-07-26 1990-02-16 Philips Nv Televisie-ontvanger met een afstemschakeling die een frequentiesyntheseschakeling bevat.
JP2768712B2 (ja) * 1989-01-10 1998-06-25 株式会社東芝 選局装置
JP2844690B2 (ja) * 1989-07-11 1999-01-06 ソニー株式会社 Ａｆｔ回路
US5212554A (en) * 1990-12-31 1993-05-18 Thomson Consumer Electronics, Inc. Digital method and apparatus for evaluating a frequency parameter of an if signal
US5204746A (en) * 1991-03-05 1993-04-20 Farrell Scott O Method and apparatus for frequency modulating a phase locked loop with video information
US5233425A (en) * 1991-10-24 1993-08-03 Zenith Electronics Corporation Adaptive AFT system with variable step resolution
KR100242415B1 (ko) * 1996-11-28 2000-02-01 윤종용 2차 국부발진회로
EP1926306A1 (de) * 2006-11-24 2008-05-28 Thomson Licensing Verfahren und Vorrichtung für automatische Feinabstimmung basierend auf Synchronisationserkennung
US9509353B2 (en) * 2014-08-20 2016-11-29 Nxp B.V. Data processing device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2162367C3 (de) * 1971-12-16 1983-01-05 Blaupunkt-Werke Gmbh, 3200 Hildesheim Schaltungsanordnung zur automatischen, elektronischen Scharfabstimmung in einem Fernsehempfänger
US4302778A (en) * 1980-06-30 1981-11-24 Zenith Radio Corporation AFT-wide automatic frequency control system and method
GB2094080B (en) * 1981-02-18 1984-11-07 Sony Corp Automatic fine tuning circuits for television receivers
US4405947A (en) * 1981-05-08 1983-09-20 Rca Corporation Dual search mode type tuning system
US4387400A (en) * 1981-05-11 1983-06-07 Zenith Radio Corporation Tuning system for a television receiver
US4429415A (en) * 1981-11-30 1984-01-31 Rca Corporation Signal-seeking tuning system with signal loss protection for a television receiver

Also Published As

Publication number Publication date
EP0237167A3 (en) 1989-10-25
JPS62183684A (ja) 1987-08-12
KR960001545B1 (en) 1996-02-01
US4689685A (en) 1987-08-25
KR870007631A (ko) 1987-08-20
JPH07110056B2 (ja) 1995-11-22
FI870294A0 (fi) 1987-01-23
CA1237519A (en) 1988-05-31
ES2043650T3 (es) 1994-01-01
EP0237167A2 (de) 1987-09-16
DE3787481D1 (de) 1993-10-28
FI870294L (fi) 1987-08-01
FI83012C (fi) 1991-05-10
NZ219126A (en) 1990-03-27
DE3787481T2 (de) 1994-04-21
EP0237167B1 (de) 1993-09-22
FI83012B (fi) 1991-01-31

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee