JPS61113437U - - Google Patents
Info
- Publication number
- JPS61113437U JPS61113437U JP1984199532U JP19953284U JPS61113437U JP S61113437 U JPS61113437 U JP S61113437U JP 1984199532 U JP1984199532 U JP 1984199532U JP 19953284 U JP19953284 U JP 19953284U JP S61113437 U JPS61113437 U JP S61113437U
- Authority
- JP
- Japan
- Prior art keywords
- band
- diode
- varactor diode
- tuner
- switching
- 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.)
- Pending
Links
- 230000003321 amplification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
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
- H03J5/242—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 used exclusively for band selection
- H03J5/244—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 used exclusively for band selection using electronic means
Landscapes
- Superheterodyne Receivers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984199532U JPS61113437U (US07993877-20110809-P00003.png) | 1984-12-26 | 1984-12-26 | |
US06/813,651 US4710973A (en) | 1984-12-26 | 1985-12-26 | Varactor diode tuner with band switched coils and lines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984199532U JPS61113437U (US07993877-20110809-P00003.png) | 1984-12-26 | 1984-12-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61113437U true JPS61113437U (US07993877-20110809-P00003.png) | 1986-07-17 |
Family
ID=16409394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984199532U Pending JPS61113437U (US07993877-20110809-P00003.png) | 1984-12-26 | 1984-12-26 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4710973A (US07993877-20110809-P00003.png) |
JP (1) | JPS61113437U (US07993877-20110809-P00003.png) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT386499B (de) * | 1986-07-29 | 1988-08-25 | Philips Nv | Rundfunkempfaenger |
DE3633384A1 (de) * | 1986-10-01 | 1988-04-14 | Telefunken Electronic Gmbh | Fernsehtuner fuer drei unterschiedliche frequenzbereiche |
US5136719A (en) * | 1988-12-05 | 1992-08-04 | Seiko Corp. | Automatic antenna tubing method and apparatus |
US4972455A (en) * | 1989-06-23 | 1990-11-20 | Motorola, Inc. | Dual-bandwidth cellular telephone |
US5020092A (en) * | 1989-06-23 | 1991-05-28 | Motorola, Inc. | Dual-bandwidth cellular telephone |
US5287556A (en) * | 1990-09-28 | 1994-02-15 | Motorola, Inc. | Interference reduction using an adaptive receiver filter, signal strength, and BER sensing |
US5715528A (en) * | 1996-02-08 | 1998-02-03 | Ford Motor Company | Converting capacitance to inductance in a floating resonant |
US5668715A (en) * | 1996-06-27 | 1997-09-16 | Hughes Electronics | Multiple output, zero voltage switching, series resonant VHF inverter |
KR20070020079A (ko) * | 2004-05-19 | 2007-02-16 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | Tv-rf 입력 회로 및 이것을 포함하는 튜너 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3400345A (en) * | 1963-11-27 | 1968-09-03 | Imp Rundfunk Und Fernseewerk G | Tuning selection system for uhf and vhf television bands |
AT272412B (de) * | 1965-10-13 | 1969-07-10 | Telefunken Patent | Leitungskreis für hochfrequente elektrische Schwingungen |
DE1591364B1 (de) * | 1967-04-29 | 1970-08-20 | Philips Patentverwaltung | Schaltungsanordnung zum Abstimmen |
DE2412689C3 (de) * | 1974-03-16 | 1978-04-27 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zur Abstimmung und Bereichs- bzw. Bandumschaltung eines HF-Schwingungskreises |
US4247953A (en) * | 1977-07-01 | 1981-01-27 | Hitachi, Ltd. | Tunable high-frequency input circuit |
-
1984
- 1984-12-26 JP JP1984199532U patent/JPS61113437U/ja active Pending
-
1985
- 1985-12-26 US US06/813,651 patent/US4710973A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4710973A (en) | 1987-12-01 |