ATA210382A - Schaltungsanordnung zur verhinderung eines blockierens eines automatischen scharfabstimmsystems - Google Patents

Schaltungsanordnung zur verhinderung eines blockierens eines automatischen scharfabstimmsystems

Info

Publication number
ATA210382A
ATA210382A AT2103/82A AT210382A ATA210382A AT A210382 A ATA210382 A AT A210382A AT 2103/82 A AT2103/82 A AT 2103/82A AT 210382 A AT210382 A AT 210382A AT A210382 A ATA210382 A AT A210382A
Authority
AT
Austria
Prior art keywords
circuit arrangement
automatic focus
tuning system
preventing blocking
focus tuning
Prior art date
Application number
AT2103/82A
Other languages
English (en)
Other versions
AT394288B (de
Original Assignee
Rca 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 Licensing Corp filed Critical Rca Licensing Corp
Publication of ATA210382A publication Critical patent/ATA210382A/de
Application granted granted Critical
Publication of AT394288B publication Critical patent/AT394288B/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Superheterodyne Receivers (AREA)
  • Amplifiers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
AT0210382A 1981-06-01 1982-05-28 Schaltungsanordnung zur verhinderung eines blockierens eines automatischen scharfabstimmsystems AT394288B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/268,914 US4388649A (en) 1981-06-01 1981-06-01 AFT Lockout prevention system

Publications (2)

Publication Number Publication Date
ATA210382A true ATA210382A (de) 1991-08-15
AT394288B AT394288B (de) 1992-02-25

Family

ID=23025049

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0210382A AT394288B (de) 1981-06-01 1982-05-28 Schaltungsanordnung zur verhinderung eines blockierens eines automatischen scharfabstimmsystems

Country Status (11)

Country Link
US (1) US4388649A (de)
JP (1) JPS583315A (de)
KR (1) KR880001130B1 (de)
AT (1) AT394288B (de)
CA (1) CA1185359A (de)
DE (1) DE3220219C2 (de)
FI (1) FI72246C (de)
FR (1) FR2507044B1 (de)
GB (1) GB2100535B (de)
IT (1) IT1151417B (de)
SE (1) SE451289B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503465A (en) * 1982-11-24 1985-03-05 Rca Corporation Analog signal comparator using digital circuitry
US4599652A (en) * 1984-02-17 1986-07-08 Rca Corporation Dual channel IF TV receiver with AFT derived from the picture carrier in the sound channel
US4601060A (en) * 1984-10-24 1986-07-15 Rca Corporation Automatic digital fine tuning system
JPS6429969U (de) * 1987-08-14 1989-02-22
US8224491B2 (en) * 2007-11-30 2012-07-17 Honeywell International Inc. Portable wireless remote control unit for use with zoned HVAC system
US10591877B2 (en) 2013-12-11 2020-03-17 Ademco Inc. Building automation remote control device with an in-application tour

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US128849A (en) * 1872-07-09 Samuel s
FR1524937A (fr) * 1967-05-31 1968-05-10 Sony Corp Dispositif de commande automatique de fréquence, notamment pour récepteur de télévision et récepteur équipé d'un tel dispositif
US3715495A (en) * 1971-02-26 1973-02-06 Matsushita Electric Ind Co Ltd Signal seeking type auto-tuning television receiver
US3949158A (en) * 1974-12-31 1976-04-06 Quasar Electronics Corporation Wide band aft circuit for television receiver
US4031549A (en) * 1976-05-21 1977-06-21 Rca Corporation Television tuning system with provisions for receiving RF carrier at nonstandard frequency
US4128849A (en) * 1976-05-24 1978-12-05 Admiral Corporation Selectively coupled synthesizer for tuner of TV receiver
NL183428B (nl) * 1976-09-17 1988-05-16 Philips Nv Televisieontvanger met een synchrone detectieschakeling en een frequentieafwijkings-detectieschakeling.
GB1580649A (en) * 1976-11-10 1980-12-03 Sanyo Electric Co Automatic fine tuning circuit in television receiver
US4100578A (en) * 1977-05-03 1978-07-11 Admiral Corporation AFT summing circuit for varactor-type tuning systems
JPS54150027A (en) * 1978-05-18 1979-11-24 Sony Corp Television picture receiver
US4263611A (en) * 1979-08-29 1981-04-21 Rca Corporation Television signal processing system
JPS5794276U (de) * 1980-11-28 1982-06-10
US4358791A (en) * 1980-12-01 1982-11-09 Rca Corporation Phase locked loop tuning control system including a sync activated AFT signal seeking arrangement

Also Published As

Publication number Publication date
KR840000111A (ko) 1984-01-30
FR2507044B1 (fr) 1986-12-26
AT394288B (de) 1992-02-25
FI821856A0 (fi) 1982-05-25
SE8203276L (sv) 1982-12-02
JPH0241926B2 (de) 1990-09-20
CA1185359A (en) 1985-04-09
DE3220219A1 (de) 1982-12-23
IT8221500A1 (it) 1983-11-26
KR880001130B1 (ko) 1988-06-30
FR2507044A1 (fr) 1982-12-03
IT1151417B (it) 1986-12-17
IT8221500A0 (it) 1982-05-26
FI72246C (fi) 1987-04-13
US4388649A (en) 1983-06-14
GB2100535B (en) 1984-12-05
GB2100535A (en) 1982-12-22
DE3220219C2 (de) 1984-08-23
SE451289B (sv) 1987-09-21
JPS583315A (ja) 1983-01-10
FI72246B (fi) 1986-12-31

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties