DK575086A - Afstemningssystem til fjernsynsapparater - Google Patents
Afstemningssystem til fjernsynsapparaterInfo
- Publication number
- DK575086A DK575086A DK575086A DK575086A DK575086A DK 575086 A DK575086 A DK 575086A DK 575086 A DK575086 A DK 575086A DK 575086 A DK575086 A DK 575086A DK 575086 A DK575086 A DK 575086A
- Authority
- DK
- Denmark
- Prior art keywords
- frequency
- tuning
- band
- auxiliary
- tuned
- Prior art date
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
- H03J5/0272—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
- H03J5/0281—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range
- H03J3/32—Arrangements for ensuring tracking with variable capacitors
-
- 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
- H04N5/50—Tuning indicators; Automatic tuning control
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
- H03J2200/28—Automatic self-alignment of a receiver
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853512873 DE3512873A1 (de) | 1985-04-11 | 1985-04-11 | Abstimmsystem fuer fernsehgeraete |
DE3512873 | 1985-04-11 | ||
PCT/EP1986/000201 WO1986006235A1 (en) | 1985-04-11 | 1986-04-02 | Tuning system for tv sets |
EP8600201 | 1986-04-02 |
Publications (4)
Publication Number | Publication Date |
---|---|
DK575086A true DK575086A (da) | 1986-11-28 |
DK575086D0 DK575086D0 (da) | 1986-11-28 |
DK166059B DK166059B (da) | 1993-03-01 |
DK166059C DK166059C (da) | 1993-08-02 |
Family
ID=6267647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK575086A DK166059C (da) | 1985-04-11 | 1986-11-28 | Afstemningssystem til fjernsynsapparater |
Country Status (6)
Country | Link |
---|---|
US (1) | US4736456A (da) |
EP (1) | EP0217898B1 (da) |
JP (1) | JPH07114479B2 (da) |
DE (2) | DE3512873A1 (da) |
DK (1) | DK166059C (da) |
WO (1) | WO1986006235A1 (da) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4837852A (en) * | 1985-06-17 | 1989-06-06 | Toko, Inc. | Electronic tuning circuit for AM receiver which is easy to effect tracking adjustment |
GB2196197B (en) * | 1986-10-01 | 1990-09-19 | Telefunken Electronic Gmbh | Television tuner |
US5103315A (en) * | 1990-03-16 | 1992-04-07 | Zenith Electronics Corporation | Stereo audio mute circuit |
MY105316A (en) * | 1990-04-30 | 1994-09-30 | Thomson Comsumer Electronics Inc | Sync validity detection utilizing a microcomputer. |
US5101509A (en) * | 1990-09-14 | 1992-03-31 | Ford Motor Company | Rf filter alignment using digital processor clock |
US5280638A (en) * | 1991-09-06 | 1994-01-18 | Ford Motor Company | RF filter self-alignment for multiband radio receiver |
US5678211A (en) * | 1992-08-28 | 1997-10-14 | Thomson Consumer Electronics, Inc. | Television tuning apparatus |
US5428829A (en) * | 1992-09-28 | 1995-06-27 | Delco Electronics Corporation | Method and apparatus for tuning and aligning an FM receiver |
KR980007078A (ko) * | 1996-06-05 | 1998-03-30 | 김광호 | 다중채널을 사용하는 무선통신시스템의 송수신 신호 개선회로 |
GB9814803D0 (en) * | 1998-07-09 | 1998-09-09 | Pace Micro Tech Ltd | Frequency adjustment |
DE19904604A1 (de) * | 1999-02-05 | 2000-06-15 | Temic Semiconductor Gmbh | Verfahren zum Abgleichen eines Bandpasses und Schaltungsanordnung zur Durchführung des Verfahrens |
SG92689A1 (en) * | 2000-03-27 | 2002-11-19 | Koninkl Philips Electronics Nv | Automatic gain control |
DE10047343B4 (de) * | 2000-09-25 | 2004-04-15 | Siemens Ag | Resonatoranordnung |
GB0110497D0 (en) * | 2001-04-28 | 2001-06-20 | Mitel Semiconductor Ltd | Tuner and method of aligning a tuner |
DE60230972D1 (de) * | 2002-02-18 | 2009-03-12 | Freescale Semiconductor Inc | Vorrichtung und Verfahren zur Abstimmung eines Filters |
EP1500193B1 (en) * | 2002-04-26 | 2008-10-01 | Thomson Licensing | Tuner input filter with electronically adjustable response for adapting to antenna characteristic |
JP2005524273A (ja) * | 2002-04-26 | 2005-08-11 | トムソン ライセンシング ソシエテ アノニム | アンテナ特性に適応するための電子的調整可能中心周波数を有するチューナ入力フィルタ |
US8890633B2 (en) | 2012-12-18 | 2014-11-18 | Nxp B.V. | Resonant circuit with automated trimming capabilities |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5534507A (en) * | 1978-09-01 | 1980-03-11 | Hitachi Ltd | Electronic tuning television picture receiver |
US4334323A (en) * | 1980-09-08 | 1982-06-08 | Zenith Radio Corporation | Self tracking tuner |
US4402089A (en) * | 1981-09-16 | 1983-08-30 | Rca Corporation | Television tuning system with electronic frequency adjustment apparatus |
DE3242965C1 (de) * | 1982-11-20 | 1984-05-30 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Abstimmeinheit fuer Geraete der Nachrichtentechnik |
DE3303711C2 (de) * | 1983-02-04 | 1985-01-24 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Abstimmeinheit für Geräte der Nachrichtentechnik |
US4476583A (en) * | 1983-02-28 | 1984-10-09 | Rca Corporation | Electronic tracking for tuners |
DE3308690A1 (de) * | 1983-03-11 | 1984-09-13 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Verfahren zum abstimmen der schwingkreise eines nachrichtenempfangsgeraetes |
US4481673A (en) * | 1983-03-28 | 1984-11-06 | Rca Corporation | RF Prom tracking for tuners |
US4658437A (en) * | 1985-03-01 | 1987-04-14 | Rca Corporation | Tuning voltage tracking arrangement |
-
1985
- 1985-04-11 DE DE19853512873 patent/DE3512873A1/de not_active Withdrawn
-
1986
- 1986-04-02 DE DE8686902394T patent/DE3677446D1/de not_active Expired - Fee Related
- 1986-04-02 US US06/948,346 patent/US4736456A/en not_active Expired - Fee Related
- 1986-04-02 WO PCT/EP1986/000201 patent/WO1986006235A1/de active IP Right Grant
- 1986-04-02 JP JP61502467A patent/JPH07114479B2/ja not_active Expired - Lifetime
- 1986-04-02 EP EP86902394A patent/EP0217898B1/de not_active Expired - Lifetime
- 1986-11-28 DK DK575086A patent/DK166059C/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1986006235A1 (en) | 1986-10-23 |
US4736456A (en) | 1988-04-05 |
DE3677446D1 (de) | 1991-03-14 |
DK166059B (da) | 1993-03-01 |
JPH07114479B2 (ja) | 1995-12-06 |
EP0217898B1 (de) | 1991-02-06 |
DK575086D0 (da) | 1986-11-28 |
JPS62502016A (ja) | 1987-08-06 |
EP0217898A1 (de) | 1987-04-15 |
DK166059C (da) | 1993-08-02 |
DE3512873A1 (de) | 1986-10-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK575086A (da) | Afstemningssystem til fjernsynsapparater | |
SE8204674L (sv) | Avstemningsanordning for en televisionsmottagare | |
FI843679L (fi) | Avstaemningsenhet foer apparater foer underraettelsekommunikationsteknik. | |
ATE29191T1 (de) | Abstimmeinheit fuer geraete der nachrichtentechnik. | |
JPS5362916A (en) | Am tuner circuit | |
JPS5776935A (en) | Tuner | |
JPS56103514A (en) | Filter circuit | |
FR2403702A1 (fr) | Circuit recepteur a reglage automatique de gain | |
KR840001466B1 (en) | Television automatic gain control system | |
JPS5745712A (en) | Channel selecting method for television and radio simultaneous broadcast | |
JPS6211085Y2 (da) | ||
JPS57201378A (en) | Video synchronization detecting device and phase correcting device | |
KR880000306Y1 (ko) | 디지탈 시계라디오에서의 자동 리세트회로 | |
JPS5610750A (en) | Radio receiver | |
KR900004195Y1 (ko) | 텔레비젼 수상기의 이개국어 수신회로 | |
JPS5579538A (en) | Tuner unit of television receiver | |
JPS5684074A (en) | Antenna mixer | |
SU423234A1 (ru) | Индикатор точной настройки стереофоническогоприемника | |
EP0076153A3 (en) | Tv receiver | |
JPS5942766Y2 (ja) | テレビジヨン中継放送装置 | |
SU1646062A1 (ru) | Рефлексный радиоприемник | |
JPS5555618A (en) | Radio receiver | |
KR860000751A (ko) | Am스테레오 디코더를 사용한 국부 발진기용 자동주파수 제어회로 | |
JPS57201345A (en) | Radio receiver | |
GB489571A (en) | Improvements in automatic tuning apparatus for wireless receivers |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |