AT386713B - TUNING CONTROL DEVICE FOR A TELEVISION RECEIVER - Google Patents

TUNING CONTROL DEVICE FOR A TELEVISION RECEIVER

Info

Publication number
AT386713B
AT386713B AT0313583A AT313583A AT386713B AT 386713 B AT386713 B AT 386713B AT 0313583 A AT0313583 A AT 0313583A AT 313583 A AT313583 A AT 313583A AT 386713 B AT386713 B AT 386713B
Authority
AT
Austria
Prior art keywords
control device
television receiver
tuning control
tuning
television
Prior art date
Application number
AT0313583A
Other languages
German (de)
Other versions
ATA313583A (en
Original Assignee
Rca 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
Priority claimed from US06/413,769 external-priority patent/US4485404A/en
Priority claimed from US06/413,762 external-priority patent/US4484221A/en
Application filed by Rca Corp filed Critical Rca Corp
Publication of ATA313583A publication Critical patent/ATA313583A/en
Application granted granted Critical
Publication of AT386713B publication Critical patent/AT386713B/en

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Television Receiver Circuits (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
AT0313583A 1982-09-01 1983-09-01 TUNING CONTROL DEVICE FOR A TELEVISION RECEIVER AT386713B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/413,769 US4485404A (en) 1982-09-01 1982-09-01 Digital aft system which is activated during vertical retrace intervals
US06/413,762 US4484221A (en) 1982-09-01 1982-09-01 Shared counter arrangement for a digital frequency locked loop tuning system for selectively measuring the frequencies of the LO and IF signals

Publications (2)

Publication Number Publication Date
ATA313583A ATA313583A (en) 1988-02-15
AT386713B true AT386713B (en) 1988-10-10

Family

ID=27022287

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0313583A AT386713B (en) 1982-09-01 1983-09-01 TUNING CONTROL DEVICE FOR A TELEVISION RECEIVER

Country Status (11)

Country Link
JP (1) JPH0793710B2 (en)
KR (1) KR920009011B1 (en)
AT (1) AT386713B (en)
AU (1) AU567304B2 (en)
CA (1) CA1203330A (en)
DE (1) DE3331609A1 (en)
ES (1) ES525161A0 (en)
FR (1) FR2541545B1 (en)
GB (1) GB2126813B (en)
HK (1) HK59291A (en)
IT (1) IT1171083B (en)

Families Citing this family (7)

* 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
JPS59106265U (en) * 1982-12-31 1984-07-17 日本電気ホームエレクトロニクス株式会社 automatic fine tuning circuit
US4524387A (en) * 1983-03-30 1985-06-18 Rca Corporation Synchronization input for television receiver on-screen alphanumeric display
US4601060A (en) * 1984-10-24 1986-07-15 Rca Corporation Automatic digital fine tuning system
NL8801874A (en) * 1988-07-26 1990-02-16 Philips Nv TELEVISION RECEIVER WITH A TUNING CIRCUIT CONTAINING A FREQUENCY SYNTHESIS CIRCUIT.
JPH0648778B2 (en) * 1989-09-29 1994-06-22 三洋電機株式会社 AFC method for satellite broadcasting receiver
US5163164A (en) * 1990-12-31 1992-11-10 Thomson Consumer Electronics, Inc. Microprocessor controlled digital aft unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB673770A (en) * 1950-03-30 1952-06-11 Standard Telephones Cables Ltd Improvements in or relating to automatic frequency control arrangements for radio communication systems
DE2651297B2 (en) * 1975-11-14 1979-03-29 Rca Corp., New York, N.Y. (V.St.A.) Tuning device for receivers, in particular for television receivers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2660248C2 (en) * 1975-11-14 1982-06-24 RCA Corp., 10020 New York, N.Y. Tuning device for television receivers
FR2340909A1 (en) * 1976-02-10 1977-09-09 Omnium Assainissement BIOLOGICAL FERMENTATION SUPPORT MATERIALS
US4084127A (en) * 1976-07-29 1978-04-11 Rca Corporation Digital frequency deviation detector useful in a television tuning system
JPS5580928A (en) * 1978-12-15 1980-06-18 Sony Corp Channel selection device
JPS55147884A (en) * 1979-05-07 1980-11-18 Sanyo Electric Co Ltd Aft circuit of television receiver
NZ193794A (en) * 1979-05-30 1984-03-30 Rca Corp Channel identification in multiband sweep tuning system
JPS56782A (en) * 1979-06-15 1981-01-07 Sanyo Electric Co Ltd Automatic tuning unit
US4358791A (en) * 1980-12-01 1982-11-09 Rca Corporation Phase locked loop tuning control system including a sync activated AFT signal seeking arrangement
US4368540A (en) * 1981-06-05 1983-01-11 Rca Corporation Phase locked loop tuning system including a prescaler conditioned to oscillate at an out-of-band frequency
US4402089A (en) * 1981-09-16 1983-08-30 Rca Corporation Television tuning system with electronic frequency adjustment apparatus
JPS58111522A (en) * 1981-12-25 1983-07-02 Sony Corp Aft circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB673770A (en) * 1950-03-30 1952-06-11 Standard Telephones Cables Ltd Improvements in or relating to automatic frequency control arrangements for radio communication systems
DE2651297B2 (en) * 1975-11-14 1979-03-29 Rca Corp., New York, N.Y. (V.St.A.) Tuning device for receivers, in particular for television receivers

Also Published As

Publication number Publication date
ATA313583A (en) 1988-02-15
GB8323490D0 (en) 1983-10-05
DE3331609A1 (en) 1984-03-01
AU1854483A (en) 1984-03-08
IT1171083B (en) 1987-06-10
IT8322693A0 (en) 1983-08-30
JPH0793710B2 (en) 1995-10-09
HK59291A (en) 1991-08-09
ES8406020A1 (en) 1984-06-16
CA1203330A (en) 1986-04-15
KR920009011B1 (en) 1992-10-12
ES525161A0 (en) 1984-06-16
KR840006116A (en) 1984-11-21
AU567304B2 (en) 1987-11-19
IT8322693A1 (en) 1985-03-02
GB2126813A (en) 1984-03-28
FR2541545A1 (en) 1984-08-24
DE3331609C2 (en) 1988-01-21
GB2126813B (en) 1986-07-23
FR2541545B1 (en) 1989-06-30
JPS5964980A (en) 1984-04-13

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee