NL187833C - Kanaalkiesinrichting voor een televisieontvanger. - Google Patents
Kanaalkiesinrichting voor een televisieontvanger.Info
- Publication number
- NL187833C NL187833C NLAANVRAGE7609590,A NL7609590A NL187833C NL 187833 C NL187833 C NL 187833C NL 7609590 A NL7609590 A NL 7609590A NL 187833 C NL187833 C NL 187833C
- Authority
- NL
- Netherlands
- Prior art keywords
- television receiver
- channel selector
- selector
- channel
- television
- Prior art date
Links
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
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
-
- 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50104445A JPS5826691B2 (ja) | 1975-08-28 | 1975-08-28 | センキヨクソウチ |
JP10455675A JPS5810889B2 (ja) | 1975-08-29 | 1975-08-29 | センキヨクソウチ |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7609590A NL7609590A (nl) | 1977-03-02 |
NL187833B NL187833B (nl) | 1991-08-16 |
NL187833C true NL187833C (nl) | 1992-01-16 |
Family
ID=26444918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7609590,A NL187833C (nl) | 1975-08-28 | 1976-08-27 | Kanaalkiesinrichting voor een televisieontvanger. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4085371A (nl) |
AU (1) | AU499612B2 (nl) |
CA (1) | CA1059666A (nl) |
DE (1) | DE2638818C2 (nl) |
FR (1) | FR2322499A1 (nl) |
GB (1) | GB1518712A (nl) |
NL (1) | NL187833C (nl) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1047373B (it) * | 1975-10-16 | 1980-09-10 | Indesit | Disposizione per selezionare una frequenza ricevibile in un ricevitore di segnali |
JPS5826693B2 (ja) * | 1975-11-22 | 1983-06-04 | ソニー株式会社 | センキヨクソウチ |
JPS5810015B2 (ja) * | 1975-12-24 | 1983-02-23 | ソニー株式会社 | センキヨクソウチ |
JPS5946129B2 (ja) * | 1976-04-05 | 1984-11-10 | ソニー株式会社 | 選局装置 |
JPS588771B2 (ja) * | 1977-01-25 | 1983-02-17 | 三洋電機株式会社 | プリセツトチユ−ナ |
DE2720170C2 (de) * | 1977-05-05 | 1982-05-13 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Abstimmschaltung für Hochfrequenz- Empfangsgeräte mit Restseitenbandmodulation, insbesondere für Fernsehempfänger |
JPS5421804A (en) * | 1977-07-20 | 1979-02-19 | Pioneer Electronic Corp | Device for combining recorder*reproducer and electronic tuning receiver |
JPS6011852B2 (ja) * | 1977-09-28 | 1985-03-28 | ソニー株式会社 | 受信機 |
US4264976A (en) * | 1978-03-17 | 1981-04-28 | Sanyo Electric Co., Ltd. | Tuning control apparatus for digital tuner |
US4227186A (en) * | 1978-03-20 | 1980-10-07 | Rca Corporation | Self-stabilizing analog to digital converter useful in phase locked loop tuning systems |
JPS6057768B2 (ja) * | 1978-04-21 | 1985-12-17 | 株式会社東芝 | 電子選局装置 |
JPS5522225A (en) * | 1978-07-29 | 1980-02-16 | Sony Corp | Memory scan device |
JPS5534507A (en) * | 1978-09-01 | 1980-03-11 | Hitachi Ltd | Electronic tuning television picture receiver |
US4476584A (en) * | 1979-02-08 | 1984-10-09 | Jerrold Electronics Corporation | Digital frequency lock tuning system |
FR2452219A1 (fr) * | 1979-03-21 | 1980-10-17 | Labo Electronique Physique | Circuit d'accord et de controle automatique de frequence pour etage de reception de television a haute frequence |
US4355412A (en) * | 1979-04-10 | 1982-10-19 | Nissan Motor Company, Limited | Preset station selecting device in a radio receiver |
JPH01501354A (ja) * | 1986-06-03 | 1989-05-11 | インフォメーション・リソーセス・インコーポレーテッド | テレビジョンシステムのための高速同調制御 |
US4748684A (en) * | 1986-06-03 | 1988-05-31 | Information Resources, Inc. | Fast tuning control for a television system |
DE3735011A1 (de) * | 1987-10-16 | 1989-04-27 | Philips Patentverwaltung | Schaltungsanordnung zur temperaturkompensation |
IT1261748B (it) * | 1993-01-22 | 1996-06-03 | Edico Srl | Metodo di sintonizzazione e memorizzazione compatibile di una pluralita' di ricevitori di segnali televisivi. |
GB0126219D0 (en) * | 2001-11-01 | 2002-01-02 | Koninkl Philips Electronics Nv | Tunable filter |
US20060063503A1 (en) * | 2002-06-17 | 2006-03-23 | Koninklikle Phillips Electronics Nv | Receiver and tuner with electronically tuned filter |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1558504A (nl) * | 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 |
US3675130A (en) * | 1970-09-18 | 1972-07-04 | Int Standard Electric Corp | A circuit arrangement for effecting a tuning of a transceiver by means of a mangetic core memory |
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 |
US3810022A (en) * | 1972-07-21 | 1974-05-07 | Zenith Radio Corp | Digital to analog converter television tuning of varactor tuners |
JPS5325721B2 (nl) * | 1973-11-07 | 1978-07-28 | ||
US3928808A (en) * | 1974-01-18 | 1975-12-23 | Rca Corp | Analog voltage generators for television tuners |
GB1521900A (en) * | 1974-09-25 | 1978-08-16 | Texas Instruments Inc | Radio set tuning system |
US3968440A (en) * | 1974-09-25 | 1976-07-06 | Texas Instruments Incorporated | Solid state television channel selection system |
-
1976
- 1976-08-16 GB GB34012/76A patent/GB1518712A/en not_active Expired
- 1976-08-23 US US05/716,655 patent/US4085371A/en not_active Expired - Lifetime
- 1976-08-27 CA CA260,039A patent/CA1059666A/en not_active Expired
- 1976-08-27 FR FR7626051A patent/FR2322499A1/fr active Granted
- 1976-08-27 NL NLAANVRAGE7609590,A patent/NL187833C/nl not_active IP Right Cessation
- 1976-08-28 DE DE2638818A patent/DE2638818C2/de not_active Expired
- 1976-08-30 AU AU17275/76A patent/AU499612B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4085371A (en) | 1978-04-18 |
DE2638818C2 (de) | 1987-04-30 |
FR2322499B1 (nl) | 1982-10-08 |
AU1727576A (en) | 1978-03-09 |
CA1059666A (en) | 1979-07-31 |
NL187833B (nl) | 1991-08-16 |
DE2638818A1 (de) | 1977-03-10 |
AU499612B2 (en) | 1979-04-26 |
GB1518712A (en) | 1978-07-26 |
NL7609590A (nl) | 1977-03-02 |
FR2322499A1 (fr) | 1977-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |