DE3606660C2 - - Google Patents
Info
- Publication number
- DE3606660C2 DE3606660C2 DE3606660A DE3606660A DE3606660C2 DE 3606660 C2 DE3606660 C2 DE 3606660C2 DE 3606660 A DE3606660 A DE 3606660A DE 3606660 A DE3606660 A DE 3606660A DE 3606660 C2 DE3606660 C2 DE 3606660C2
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- filter
- television
- signal
- input
- 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 - Fee Related
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/1758—Series LC in shunt or branch path
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
- H03H5/02—One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Filters And Equalizers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Noise Elimination (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/705,494 US4642691A (en) | 1985-02-28 | 1985-02-28 | Television signal input filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3606660A1 DE3606660A1 (de) | 1986-08-28 |
| DE3606660C2 true DE3606660C2 (US07709020-20100504-C00041.png) | 1992-04-30 |
Family
ID=24833722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863606660 Granted DE3606660A1 (de) | 1985-02-28 | 1986-02-28 | Tv-eingangsfilter |
Country Status (9)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4956710A (en) * | 1989-04-14 | 1990-09-11 | Rca Licensing Corporation | Television receiver tuner high pass input filter with CB trap |
| US5198903A (en) * | 1990-04-12 | 1993-03-30 | Gemini Industries Inc. | Television frequency converter with automatic gain control and output terminal isolation |
| JPH04252679A (ja) * | 1991-01-29 | 1992-09-08 | Matsushita Electric Ind Co Ltd | テレビジョン受像機 |
| JPH0583149A (ja) * | 1991-09-20 | 1993-04-02 | Pioneer Electron Corp | トラツプ回路 |
| JP3599951B2 (ja) * | 1997-05-12 | 2004-12-08 | アルプス電気株式会社 | テレビジョンチュ−ナ |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB516252A (en) * | 1938-07-19 | 1939-12-28 | Gen Electric Co Ltd | Improvements in television and like receivers |
| US3217096A (en) * | 1961-06-02 | 1965-11-09 | Motorola Inc | Signal coupling and trap network |
| US3204025A (en) * | 1961-10-27 | 1965-08-31 | Zenith Radio Corp | Television receiver with adjacent sound trap control |
| DE1909244A1 (de) * | 1969-02-25 | 1970-08-27 | Blaupunkt Werke Gmbh | Schaltungsanordnung fuer einen Fernsehempfaenger mit umschaltbarem Empfaenger-Eingangsfilter |
| US3852670A (en) | 1973-10-29 | 1974-12-03 | Zenith Radio Corp | Tuner with integral input filter |
| US4263619A (en) * | 1979-04-20 | 1981-04-21 | Rca Corporation | Double trapping of adjacent channel sound |
| US4397037A (en) * | 1981-08-19 | 1983-08-02 | Rca Corporation | Diplexer for television tuning systems |
| US4408348A (en) * | 1981-08-19 | 1983-10-04 | Rca Corporation | Multiband tuning system for a television receiver |
-
1985
- 1985-02-28 US US06/705,494 patent/US4642691A/en not_active Expired - Lifetime
-
1986
- 1986-02-05 KR KR1019860000787A patent/KR930010171B1/ko not_active IP Right Cessation
- 1986-02-13 CA CA000501785A patent/CA1240791A/en not_active Expired
- 1986-02-18 GB GB08604015A patent/GB2171871B/en not_active Expired
- 1986-02-25 JP JP61041341A patent/JP2562873B2/ja not_active Expired - Fee Related
- 1986-02-27 FR FR868602727A patent/FR2578122B1/fr not_active Expired - Fee Related
- 1986-02-28 DE DE19863606660 patent/DE3606660A1/de active Granted
-
1991
- 1991-06-15 SG SG45291A patent/SG45291G/en unknown
-
1993
- 1993-10-28 HK HK1151/93A patent/HK115193A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| HK115193A (en) | 1993-11-05 |
| DE3606660A1 (de) | 1986-08-28 |
| JP2562873B2 (ja) | 1996-12-11 |
| KR860006891A (ko) | 1986-09-15 |
| CA1240791A (en) | 1988-08-16 |
| KR930010171B1 (ko) | 1993-10-15 |
| FR2578122A1 (fr) | 1986-08-29 |
| FR2578122B1 (fr) | 1992-04-10 |
| GB2171871B (en) | 1988-12-29 |
| GB2171871A (en) | 1986-09-03 |
| GB8604015D0 (en) | 1986-03-26 |
| JPS61202507A (ja) | 1986-09-08 |
| US4642691A (en) | 1987-02-10 |
| SG45291G (en) | 1991-07-26 |
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| EP0044909A2 (de) | Mehrfach-Abzweigeinrichtung für Hochfrequenzsignale |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: H03H 7/01 |
|
| 8127 | New person/name/address of the applicant |
Owner name: RCA LICENSING CORP., PRINCETON, N.J., US |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8320 | Willingness to grant licences declared (paragraph 23) | ||
| 8339 | Ceased/non-payment of the annual fee |