AT386713B - TUNING CONTROL DEVICE FOR A TELEVISION RECEIVER - Google Patents
TUNING CONTROL DEVICE FOR A TELEVISION RECEIVERInfo
- 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
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)
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)
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)
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)
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 |
-
1983
- 1983-08-25 ES ES525161A patent/ES525161A0/en active Granted
- 1983-08-29 CA CA000435566A patent/CA1203330A/en not_active Expired
- 1983-08-30 IT IT22693/83A patent/IT1171083B/en active
- 1983-08-30 AU AU18544/83A patent/AU567304B2/en not_active Ceased
- 1983-08-31 JP JP58161183A patent/JPH0793710B2/en not_active Expired - Lifetime
- 1983-08-31 KR KR1019830004077A patent/KR920009011B1/en not_active IP Right Cessation
- 1983-09-01 AT AT0313583A patent/AT386713B/en not_active IP Right Cessation
- 1983-09-01 FR FR838314040A patent/FR2541545B1/en not_active Expired
- 1983-09-01 GB GB08323490A patent/GB2126813B/en not_active Expired
- 1983-09-01 DE DE3331609A patent/DE3331609A1/en active Granted
-
1991
- 1991-08-01 HK HK592/91A patent/HK59291A/en not_active IP Right Cessation
Patent Citations (2)
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 |