JPH0251289B2 - - Google Patents
Info
- Publication number
- JPH0251289B2 JPH0251289B2 JP58051365A JP5136583A JPH0251289B2 JP H0251289 B2 JPH0251289 B2 JP H0251289B2 JP 58051365 A JP58051365 A JP 58051365A JP 5136583 A JP5136583 A JP 5136583A JP H0251289 B2 JPH0251289 B2 JP H0251289B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency
- tuning
- band
- channel
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/246—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection using electronic means
Landscapes
- Noise Elimination (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US363567 | 1982-03-30 | ||
US363570 | 1982-03-30 | ||
US06/363,567 US4418427A (en) | 1982-03-30 | 1982-03-30 | Tuning system for a multi-band television receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58179017A JPS58179017A (ja) | 1983-10-20 |
JPH0251289B2 true JPH0251289B2 (en]) | 1990-11-07 |
Family
ID=23430751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58051365A Granted JPS58179017A (ja) | 1982-03-30 | 1983-03-25 | テレビ受像機用同調方式 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4418427A (en]) |
JP (1) | JPS58179017A (en]) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD868045S1 (en) | 2008-02-29 | 2019-11-26 | Antennas Direct, Inc. | Antenna |
USD881172S1 (en) | 1975-11-03 | 2020-04-14 | Antennas Direct, Inc. | Antenna and base stand |
USD867347S1 (en) | 2008-02-29 | 2019-11-19 | Antennas Direct, Inc. | Antenna |
US10957979B2 (en) | 2018-12-06 | 2021-03-23 | Antennas Direct, Inc. | Antenna assemblies |
US20140292597A1 (en) | 2007-12-05 | 2014-10-02 | Antennas Direct, Inc. | Antenna assemblies with tapered loop antenna elements |
USD809490S1 (en) | 2008-02-29 | 2018-02-06 | Antennas Direct, Inc. | Antenna |
US8368607B2 (en) * | 2007-12-05 | 2013-02-05 | Antennas Direct, Inc. | Antenna assemblies with antenna elements and reflectors |
USD666178S1 (en) | 2008-02-29 | 2012-08-28 | Antennas Direct, Inc. | Antenna |
DE3212731A1 (de) * | 1982-04-06 | 1983-10-06 | Philips Patentverwaltung | Zweikreisiges resonanz-bandfilter fuer kanalwaehler |
US4476583A (en) * | 1983-02-28 | 1984-10-09 | Rca Corporation | Electronic tracking for tuners |
US4481673A (en) * | 1983-03-28 | 1984-11-06 | Rca Corporation | RF Prom tracking for tuners |
US4726072A (en) * | 1983-07-28 | 1988-02-16 | Matsushita Electric Industrial Co., Ltd. | Double converter tuner |
US4598423A (en) * | 1985-02-28 | 1986-07-01 | Rca Corporation | Tuning circuit for a multiband tuner |
US4658437A (en) * | 1985-03-01 | 1987-04-14 | Rca Corporation | Tuning voltage tracking arrangement |
KR930010570B1 (ko) * | 1986-03-05 | 1993-10-28 | 기이찌 우에끼 | 석유계 연료유의 연소촉진제의 제조법 |
US4843358A (en) * | 1987-05-19 | 1989-06-27 | General Electric Company | Electrically positionable short-circuits |
JP2563401B2 (ja) * | 1987-11-30 | 1996-12-11 | 松下電器産業株式会社 | 受信装置 |
DE3821716A1 (de) * | 1988-06-28 | 1990-01-04 | Telefunken Electronic Gmbh | Fernsehtuner mit einer bandfilterschaltung |
US4987606A (en) * | 1988-12-21 | 1991-01-22 | Matsushita Electric Industrial Co., Ltd. | Wide band transmission system with biasing of gain control circuit |
US5815218A (en) * | 1995-01-04 | 1998-09-29 | Funai Electric., Ltd | Circuit device including RF converter, tuner and if amplifier |
JP3250785B2 (ja) * | 1996-08-09 | 2002-01-28 | アルプス電気株式会社 | テレビチューナ |
US7257398B1 (en) * | 1999-11-12 | 2007-08-14 | Sony Corporation | Telephone set, communication adaptor, home appliance control method, and program recording medium |
US6925291B2 (en) | 2002-09-27 | 2005-08-02 | Thomson Licensing S.A. | Electronic alignment system for a television signal tuner |
US20080291345A1 (en) * | 2007-05-23 | 2008-11-27 | Antennas Direct, Inc. | Picture frame antenna assemblies |
US11929562B2 (en) | 2007-12-05 | 2024-03-12 | Antennas Direct, Inc. | Antenna assemblies with tapered loop antenna elements |
USD883264S1 (en) | 2008-02-29 | 2020-05-05 | Antennas Direct, Inc. | Antenna |
USD804459S1 (en) | 2008-02-29 | 2017-12-05 | Antennas Direct, Inc. | Antennas |
USD920962S1 (en) | 2008-02-29 | 2021-06-01 | Antennas Direct, Inc. | Base stand for antenna |
USD815073S1 (en) | 2008-02-29 | 2018-04-10 | Antennas Direct, Inc. | Antenna |
USD883265S1 (en) | 2008-02-29 | 2020-05-05 | Antennas Direct, Inc. | Antenna |
USD664126S1 (en) | 2010-08-26 | 2012-07-24 | Antennas Direct, Inc. | Antenna |
USD824884S1 (en) | 2015-10-08 | 2018-08-07 | Antennas Direct, Inc. | Antenna element |
USD827620S1 (en) | 2015-10-08 | 2018-09-04 | Antennas Direct, Inc. | Antenna element |
US9761935B2 (en) | 2015-09-02 | 2017-09-12 | Antennas Direct, Inc. | HDTV antenna assemblies |
US10128575B2 (en) | 2015-09-02 | 2018-11-13 | Antennas Direct, Inc. | HDTV antenna assemblies |
USD811752S1 (en) | 2015-10-08 | 2018-03-06 | Antennas Direct, Inc. | Picture frame antenna |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3492514A (en) * | 1967-04-17 | 1970-01-27 | Motorola Inc | Voltage variable capacitance range extender |
US3622891A (en) * | 1969-03-28 | 1971-11-23 | Motorola Inc | Radio receiver with automatic control of attenuation for reduction of intermodulation |
GB1316871A (en) * | 1969-05-20 | 1973-05-16 | Matsushita Electric Ind Co Ltd | Tuning system for selecting channels |
US3646450A (en) * | 1969-08-13 | 1972-02-29 | Zenith Radio Corp | Voltage-controlled plural-band tuner for a wave signal receiver |
US3696302A (en) * | 1970-10-30 | 1972-10-03 | Standard Kollsman Ind Inc | Uhf-vhf varactor tuner amplifying band conversion |
DE2412689C3 (de) * | 1974-03-16 | 1978-04-27 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zur Abstimmung und Bereichs- bzw. Bandumschaltung eines HF-Schwingungskreises |
US3987400A (en) * | 1974-11-04 | 1976-10-19 | Masco Corporation Of Indiana | Multiband scanning radio receiver |
JPS5210701U (en]) * | 1975-07-11 | 1977-01-25 | ||
US4048598A (en) * | 1976-05-28 | 1977-09-13 | Rca Corporation | Uhf tuning circuit utilizing a varactor diode |
FR2371821A1 (fr) | 1976-10-25 | 1978-06-16 | Indesit | Dispositif d'accord pour recepteur de television |
US4247953A (en) * | 1977-07-01 | 1981-01-27 | Hitachi, Ltd. | Tunable high-frequency input circuit |
US4189678A (en) * | 1977-08-18 | 1980-02-19 | Sanyo Electric Co., Ltd. | Combination VHF-UHF tuner for use in a television receiver |
US4262307A (en) * | 1978-11-27 | 1981-04-14 | Gte Products Corporation | Fine tuning circuit |
JPS6017276B2 (ja) * | 1979-07-02 | 1985-05-01 | 松下電器産業株式会社 | 多方式テレビジョン受像機 |
US4271529A (en) * | 1980-03-20 | 1981-06-02 | Zenith Radio Corporation | Tunable resonant circuits for a multi-band VHF/UHF/CATV tuner |
US4361909A (en) * | 1980-05-30 | 1982-11-30 | Rca Corporation | Pre-tuner tracking traps responsive to a tuning voltage |
US4368541A (en) * | 1980-06-30 | 1983-01-11 | Evans Robert M | Multiplexing arrangement for a plurality of voltage controlled filters |
US4363135A (en) * | 1980-10-27 | 1982-12-07 | Zenith Radio Corporation | Four band VHF varactor tuner |
-
1982
- 1982-03-30 US US06/363,567 patent/US4418427A/en not_active Expired - Lifetime
-
1983
- 1983-03-25 JP JP58051365A patent/JPS58179017A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58179017A (ja) | 1983-10-20 |
US4418427A (en) | 1983-11-29 |
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