JPS5649493B2 - - Google Patents
Info
- Publication number
- JPS5649493B2 JPS5649493B2 JP10444475A JP10444475A JPS5649493B2 JP S5649493 B2 JPS5649493 B2 JP S5649493B2 JP 10444475 A JP10444475 A JP 10444475A JP 10444475 A JP10444475 A JP 10444475A JP S5649493 B2 JPS5649493 B2 JP S5649493B2
- Authority
- JP
- Japan
- 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
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
- H03J5/02—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 variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
- H03J5/0263—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter the digital values being held in an auxiliary non erasable memory
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50104444A JPS5228203A (en) | 1975-08-28 | 1975-08-28 | Station selector unit |
| GB34828/76A GB1527147A (en) | 1975-08-28 | 1976-08-20 | Channel selecting apparatus |
| US05/716,654 US4130804A (en) | 1975-08-28 | 1976-08-23 | Channel selecting apparatus with linearized tuning |
| AU17147/76A AU496995B2 (en) | 1975-08-28 | 1976-08-25 | Channel selection apparatus |
| FR7626050A FR2322498A1 (fr) | 1975-08-28 | 1976-08-27 | Selecteur de canaux perfectionne pour recepteur de television |
| CA259,985A CA1052023A (en) | 1975-08-28 | 1976-08-27 | Automatic tuning system with uniform tuning rate across band |
| NLAANVRAGE7609589,A NL188778C (nl) | 1975-08-28 | 1976-08-27 | Kanaalkiesinrichting voor een televisie-ontvanger. |
| DE2638817A DE2638817C2 (de) | 1975-08-28 | 1976-08-28 | Kanalauswahlanordnung für einen Fernsehempfänger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50104444A JPS5228203A (en) | 1975-08-28 | 1975-08-28 | Station selector unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5228203A JPS5228203A (en) | 1977-03-03 |
| JPS5649493B2 true JPS5649493B2 (enExample) | 1981-11-21 |
Family
ID=14380804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50104444A Granted JPS5228203A (en) | 1975-08-28 | 1975-08-28 | Station selector unit |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4130804A (enExample) |
| JP (1) | JPS5228203A (enExample) |
| AU (1) | AU496995B2 (enExample) |
| CA (1) | CA1052023A (enExample) |
| DE (1) | DE2638817C2 (enExample) |
| FR (1) | FR2322498A1 (enExample) |
| GB (1) | GB1527147A (enExample) |
| NL (1) | NL188778C (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828968B2 (ja) * | 1977-08-31 | 1983-06-20 | ソニー株式会社 | Ｐｌｌ方式周波数シンセサイザチュ−ナ |
| US4318130A (en) * | 1978-08-09 | 1982-03-02 | The Magnavox Company | Microprocessor control system for television receivers |
| JPS598967B2 (ja) * | 1979-04-10 | 1984-02-28 | 株式会社東芝 | 選局デ−タ記憶装置 |
| US4245351A (en) * | 1979-07-30 | 1981-01-13 | Rca Corporation | AFT Arrangement for a phase locked loop tuning system |
| US4479078A (en) * | 1980-06-20 | 1984-10-23 | Kollmorgen Technologies Corporation | Brushless motor controller |
| US4334323A (en) * | 1980-09-08 | 1982-06-08 | Zenith Radio Corporation | Self tracking tuner |
| JPS5772416A (en) * | 1980-10-07 | 1982-05-06 | Furuno Electric Co Ltd | Controller for receiving frequency of receiver |
| US6137546A (en) * | 1998-07-20 | 2000-10-24 | Sony Corporation | Auto program feature for a television receiver |
| GB0126219D0 (en) * | 2001-11-01 | 2002-01-02 | Koninkl Philips Electronics Nv | Tunable filter |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1558504A (enExample) * | 1968-01-03 | 1969-02-28 | ||
| US3603977A (en) * | 1969-06-19 | 1971-09-07 | Westinghouse Electric Corp | Digital-to-analog converter utilizing pulse duration modulation |
| US3758865A (en) * | 1972-01-18 | 1973-09-11 | Gen Motors Corp | Bias voltage generator for the voltage-responsive tuning elements in an electronically tuned radio receiver |
| DE2206294C3 (de) * | 1972-02-10 | 1978-04-06 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Verfahren zum Einstellen bzw. Einschalten von Kanälen, Helligkeit, Lautstärke usw. in Fernsehempfängern |
| US3803494A (en) * | 1972-04-07 | 1974-04-09 | Bendix Corp | Pulse tuning control system for radio receivers |
| US3821651A (en) * | 1972-11-02 | 1974-06-28 | Masco Corp | Scanning control circuit for use in signal seeking radio receiver |
| JPS5325721B2 (enExample) * | 1973-11-07 | 1978-07-28 | ||
| NL7414564A (nl) * | 1973-11-16 | 1975-05-21 | Int Standard Electric Corp | Radio- of televisieontvanger met een zender- zoekinrichting. |
| US3953801A (en) * | 1974-06-03 | 1976-04-27 | Zenith Radio Corporation | Receiver digital control system |
| US3968440A (en) * | 1974-09-25 | 1976-07-06 | Texas Instruments Incorporated | Solid state television channel selection system |
| GB1521900A (en) * | 1974-09-25 | 1978-08-16 | Texas Instruments Inc | Radio set tuning system |
-
1975
- 1975-08-28 JP JP50104444A patent/JPS5228203A/ja active Granted
-
1976
- 1976-08-20 GB GB34828/76A patent/GB1527147A/en not_active Expired
- 1976-08-23 US US05/716,654 patent/US4130804A/en not_active Expired - Lifetime
- 1976-08-25 AU AU17147/76A patent/AU496995B2/en not_active Expired
- 1976-08-27 NL NLAANVRAGE7609589,A patent/NL188778C/xx not_active IP Right Cessation
- 1976-08-27 CA CA259,985A patent/CA1052023A/en not_active Expired
- 1976-08-27 FR FR7626050A patent/FR2322498A1/fr active Granted
- 1976-08-28 DE DE2638817A patent/DE2638817C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL188778B (nl) | 1992-04-16 |
| FR2322498A1 (fr) | 1977-03-25 |
| DE2638817A1 (de) | 1977-03-10 |
| GB1527147A (en) | 1978-10-04 |
| NL188778C (nl) | 1992-09-16 |
| DE2638817C2 (de) | 1986-08-14 |
| US4130804A (en) | 1978-12-19 |
| CA1052023A (en) | 1979-04-03 |
| FR2322498B1 (enExample) | 1982-05-14 |
| NL7609589A (nl) | 1977-03-02 |
| AU1714776A (en) | 1978-03-02 |
| AU496995B2 (en) | 1978-11-16 |
| JPS5228203A (en) | 1977-03-03 |