DE3036351C2 - Abstimmsystem für einen Fernsehempfänger - Google Patents
Abstimmsystem für einen FernsehempfängerInfo
- Publication number
- DE3036351C2 DE3036351C2 DE3036351A DE3036351A DE3036351C2 DE 3036351 C2 DE3036351 C2 DE 3036351C2 DE 3036351 A DE3036351 A DE 3036351A DE 3036351 A DE3036351 A DE 3036351A DE 3036351 C2 DE3036351 C2 DE 3036351C2
- Authority
- DE
- Germany
- Prior art keywords
- tuning
- channel
- signal
- memory
- carrier
- 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
Links
- 230000007423 decrease Effects 0.000 claims description 8
- 108091006146 Channels Proteins 0.000 description 142
- 230000008859 change Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 239000000969 carrier Substances 0.000 description 7
- 230000004044 response Effects 0.000 description 7
- 238000003786 synthesis reaction Methods 0.000 description 7
- 238000003825 pressing Methods 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- VVNRQZDDMYBBJY-UHFFFAOYSA-M sodium 1-[(1-sulfonaphthalen-2-yl)diazenyl]naphthalen-2-olate Chemical compound [Na+].C1=CC=CC2=C(S([O-])(=O)=O)C(N=NC3=C4C=CC=CC4=CC=C3O)=CC=C21 VVNRQZDDMYBBJY-UHFFFAOYSA-M 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
- H03J7/22—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
- H03J1/0033—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for voltage synthesis with a D/A converter
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/080,105 US4291413A (en) | 1979-09-28 | 1979-09-28 | Search type tuning system with direct address channel selection apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3036351A1 DE3036351A1 (de) | 1981-04-16 |
| DE3036351C2 true DE3036351C2 (de) | 1985-11-21 |
Family
ID=22155289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3036351A Expired DE3036351C2 (de) | 1979-09-28 | 1980-09-26 | Abstimmsystem für einen Fernsehempfänger |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4291413A (enExample) |
| JP (1) | JPS5657323A (enExample) |
| KR (1) | KR830002629B1 (enExample) |
| AT (1) | AT385161B (enExample) |
| AU (1) | AU540212B2 (enExample) |
| CA (1) | CA1154098A (enExample) |
| DE (1) | DE3036351C2 (enExample) |
| FI (1) | FI75954C (enExample) |
| FR (1) | FR2466904B1 (enExample) |
| GB (1) | GB2060295B (enExample) |
| IT (1) | IT1133820B (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4419767A (en) * | 1980-11-27 | 1983-12-06 | Pioneer Electronic Corporation | Automatic digital control device for exact frequency tuning of a receiver |
| US4374437A (en) * | 1980-12-29 | 1983-02-15 | Zenith Radio Corporation | Variable ramp speed TV tuning system for rapid channel tuning |
| US4525865A (en) * | 1983-10-03 | 1985-06-25 | General Electric Company | Programmable radio |
| JPS6196833A (ja) * | 1984-10-17 | 1986-05-15 | Sony Corp | テレビ受像機 |
| US4727591A (en) * | 1986-09-04 | 1988-02-23 | Arvin Industries, Inc. | Microprocessor controlled tuning system |
| US4823387A (en) * | 1987-05-08 | 1989-04-18 | Rca Licensing Corporation | Television tuning system with provisions for tuning RF signals with scrambled video information |
| DE3852441T2 (de) * | 1987-08-03 | 1995-06-29 | Motorola Inc | Automatisches Frequenzregelssystem. |
| AU605354B2 (en) * | 1987-09-17 | 1991-01-10 | Amskan Limited | Signal locating apparatus |
| EP0307910A3 (en) * | 1987-09-17 | 1990-11-22 | Amskan Limited | Signal locating apparatus |
| US4814887A (en) * | 1988-05-23 | 1989-03-21 | General Instrument Corporation | Automatic frequency control |
| US5161023A (en) * | 1990-09-24 | 1992-11-03 | Thomson Consumer Electronics, Inc. | Previous channel feature in a television receiver having multiple rf inputs |
| US5182646A (en) * | 1990-09-24 | 1993-01-26 | Thomson Consumer Electronics, Inc. | Linkable scan lists for a television receiver |
| US5103314A (en) * | 1990-09-24 | 1992-04-07 | Thomson Consumer Electronics, Inc. | Color-coded system for selection of rf input terminals and associated scan lists |
| US5483688A (en) * | 1993-01-22 | 1996-01-09 | Seiko Communications Holding N.V. | Adaptive automatic antenna tuning method and apparatus |
| GB2280321B (en) * | 1993-06-30 | 1998-06-10 | Funai Electric Co | Channel Selection Apparatus |
| US20060063503A1 (en) * | 2002-06-17 | 2006-03-23 | Koninklikle Phillips Electronics Nv | Receiver and tuner with electronically tuned filter |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5340403B2 (enExample) * | 1974-02-14 | 1978-10-27 | ||
| GB1503334A (en) * | 1974-02-25 | 1978-03-08 | Matsushita Electric Industrial Co Ltd | Tuning apparatus using a voltage-dependent reactance element |
| JPS5267201A (en) * | 1975-12-01 | 1977-06-03 | Matsushita Electric Ind Co Ltd | Station selecting unit |
| US4155043A (en) * | 1976-04-28 | 1979-05-15 | Matsushita Electric Industrial Co. Ltd. | Channel selection apparatus including a scanning system |
| US4093921A (en) * | 1977-03-17 | 1978-06-06 | Texas Instruments Incorporated | Microcomputer processing approach for a non-volatile TV station memory tuning system |
| CA1142660A (en) * | 1978-01-31 | 1983-03-08 | Tatsuo Ito | Electronic tuning radio receiver |
| US4264976A (en) * | 1978-03-17 | 1981-04-28 | Sanyo Electric Co., Ltd. | Tuning control apparatus for digital tuner |
| NZ193794A (en) * | 1979-05-30 | 1984-03-30 | Rca Corp | Channel identification in multiband sweep tuning system |
-
1979
- 1979-09-28 US US06/080,105 patent/US4291413A/en not_active Expired - Lifetime
-
1980
- 1980-09-18 CA CA000360501A patent/CA1154098A/en not_active Expired
- 1980-09-19 FI FI802966A patent/FI75954C/fi not_active IP Right Cessation
- 1980-09-22 GB GB8030549A patent/GB2060295B/en not_active Expired
- 1980-09-22 AU AU62610/80A patent/AU540212B2/en not_active Ceased
- 1980-09-25 JP JP13414080A patent/JPS5657323A/ja active Granted
- 1980-09-25 IT IT24912/80A patent/IT1133820B/it active
- 1980-09-25 AT AT0480180A patent/AT385161B/de not_active IP Right Cessation
- 1980-09-26 DE DE3036351A patent/DE3036351C2/de not_active Expired
- 1980-09-26 FR FR8020751A patent/FR2466904B1/fr not_active Expired
- 1980-09-27 KR KR1019800003767A patent/KR830002629B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR830002629B1 (ko) | 1983-12-06 |
| AU6261080A (en) | 1981-04-09 |
| AT385161B (de) | 1988-02-25 |
| FR2466904A1 (fr) | 1981-04-10 |
| JPS5657323A (en) | 1981-05-19 |
| FI75954B (fi) | 1988-04-29 |
| IT8024912A0 (it) | 1980-09-25 |
| FR2466904B1 (fr) | 1985-10-18 |
| FI75954C (fi) | 1988-08-08 |
| CA1154098A (en) | 1983-09-20 |
| GB2060295A (en) | 1981-04-29 |
| DE3036351A1 (de) | 1981-04-16 |
| GB2060295B (en) | 1983-06-29 |
| FI802966A7 (fi) | 1981-03-29 |
| JPS6318895B2 (enExample) | 1988-04-20 |
| US4291413A (en) | 1981-09-22 |
| AU540212B2 (en) | 1984-11-08 |
| KR830003985A (ko) | 1983-06-30 |
| IT1133820B (it) | 1986-07-24 |
| ATA480180A (de) | 1987-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: RCA LICENSING CORP., PRINCETON, N.J., US |
|
| 8339 | Ceased/non-payment of the annual fee |