SE452227B - Televisionsavstemningsanordning med organ for elektronisk frekvensinstellning - Google Patents

Televisionsavstemningsanordning med organ for elektronisk frekvensinstellning

Info

Publication number
SE452227B
SE452227B SE8205143A SE8205143A SE452227B SE 452227 B SE452227 B SE 452227B SE 8205143 A SE8205143 A SE 8205143A SE 8205143 A SE8205143 A SE 8205143A SE 452227 B SE452227 B SE 452227B
Authority
SE
Sweden
Prior art keywords
signal
frequency
dtf
tuning
signals
Prior art date
Application number
SE8205143A
Other languages
English (en)
Swedish (sv)
Other versions
SE8205143L (sv
SE8205143D0 (sv
Inventor
S P Knight
J G N Henderson
Original Assignee
Rca Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23169486&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE452227(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rca Corp filed Critical Rca Corp
Publication of SE8205143D0 publication Critical patent/SE8205143D0/xx
Publication of SE8205143L publication Critical patent/SE8205143L/
Publication of SE452227B publication Critical patent/SE452227B/sv

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
    • 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
    • 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)
  • Superheterodyne Receivers (AREA)
  • Television Receiver Circuits (AREA)
SE8205143A 1981-09-16 1982-09-09 Televisionsavstemningsanordning med organ for elektronisk frekvensinstellning SE452227B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/302,853 US4402089A (en) 1981-09-16 1981-09-16 Television tuning system with electronic frequency adjustment apparatus

Publications (3)

Publication Number Publication Date
SE8205143D0 SE8205143D0 (sv) 1982-09-09
SE8205143L SE8205143L (sv) 1983-03-17
SE452227B true SE452227B (sv) 1987-11-16

Family

ID=23169486

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8205143A SE452227B (sv) 1981-09-16 1982-09-09 Televisionsavstemningsanordning med organ for elektronisk frekvensinstellning

Country Status (19)

Country Link
US (1) US4402089A (fi)
JP (1) JPS5860816A (fi)
KR (1) KR910001374B1 (fi)
AT (1) AT385621B (fi)
AU (1) AU558792B2 (fi)
CA (1) CA1177182A (fi)
DE (1) DE3234236C2 (fi)
DK (1) DK159708C (fi)
ES (1) ES515591A0 (fi)
FI (1) FI76468C (fi)
FR (1) FR2565446B1 (fi)
GB (1) GB2105935B (fi)
HK (1) HK54289A (fi)
IT (1) IT1152585B (fi)
NZ (1) NZ201927A (fi)
PL (1) PL138270B1 (fi)
PT (1) PT75515B (fi)
SE (1) SE452227B (fi)
ZA (1) ZA826809B (fi)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4494081A (en) * 1982-05-24 1985-01-15 Rca Corporation Variable frequency U. H. F. local oscillator for a television receiver
ES525161A0 (es) * 1982-09-01 1984-06-16 Rca Corp "perfeccionamientos introducidos en un aparato de control de sintonizacion para un sistema de television"
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
US4575761A (en) * 1983-04-28 1986-03-11 Rca Corporation AFT arrangement for a double conversion tuner
US4499602A (en) * 1983-06-28 1985-02-12 Rca Corporation Double conversion tuner for broadcast and cable television channels
US4581643A (en) * 1983-07-25 1986-04-08 Rca Corporation Double conversion television tuner with frequency response control provisions
US4726072A (en) * 1983-07-28 1988-02-16 Matsushita Electric Industrial Co., Ltd. Double converter tuner
JPS60130210A (ja) * 1983-12-16 1985-07-11 Matsushita Electric Ind Co Ltd 選局装置
DE3406150C3 (de) * 1984-02-21 1997-04-03 Telefunken Microelectron Verfahren zum Abgleich einer Hochfrequenzeingangsschaltung sowie Steuerschaltung zum Durchführen des Verfahrens
US4792987A (en) * 1985-01-09 1988-12-20 Starke Electronics, Inc. Antenna coupling amplifier and converter system
DE3512873A1 (de) * 1985-04-11 1986-10-30 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Abstimmsystem fuer fernsehgeraete
US4679246A (en) * 1985-05-01 1987-07-07 General Electric Company One-shot tuning circuit
GB2181312A (en) * 1985-10-01 1987-04-15 Plessey Co Plc Frequency alignment circuit and synthesizer therefor
JPS62210719A (ja) * 1986-03-12 1987-09-16 Alps Electric Co Ltd 電子同調チユ−ナ
US4776038A (en) * 1987-01-21 1988-10-04 Rca Licensing Corporation Automatic air/cable mode selection apparatus for a television tuner
US4843358A (en) * 1987-05-19 1989-06-27 General Electric Company Electrically positionable short-circuits
JP2844593B2 (ja) * 1987-05-28 1999-01-06 ソニー株式会社 受信装置
KR930007300B1 (ko) * 1989-11-29 1993-08-04 삼성전기 주식회사 더블 콘버젼(Double Conversion) 튜너의 자동 동조방법
GB9014937D0 (en) * 1990-07-06 1990-08-29 Hi Trak Systems Ltd Radio receiving system
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
US5420646A (en) * 1991-12-30 1995-05-30 Zenith Electronics Corp. Bandswitched tuning system having a plurality of local oscillators for a digital television receiver
US5630214A (en) * 1992-05-13 1997-05-13 Hitachi, Ltd. Wide-band receiving apparatus with local oscillating circuit
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
ES2060528B1 (es) * 1992-10-21 1995-05-16 Fagor S Coop Ltda Sintonizador electronico programable para antenas colectivas de t.v.
DE4328912C2 (de) * 1993-08-27 1998-08-27 Siemens Ag Abgleichverfahren für einen Überlagerungsempfänger
US5596298A (en) * 1995-04-05 1997-01-21 Thomson Consumer Electronics, Inc. Bus aligned quadrature FM detector
DE69830228T2 (de) * 1997-07-25 2006-02-02 Koninklijke Philips Electronics N.V. Multistandardempfang
US6285865B1 (en) * 1998-11-12 2001-09-04 Broadcom Corporation System and method for on-chip filter tuning
DE19918057C2 (de) * 1999-04-21 2002-11-07 Infineon Technologies Ag Vorrichtung zur Einstellung der Abstimmspannung von Abstimmschwingkreisen
KR100353861B1 (ko) * 1999-11-11 2002-09-26 한국전자통신연구원 주파수 매핑 근사 함수를 이용한 광대역 주파수 자동 채널선택 장치 및 그 방법
DE19957365A1 (de) * 1999-11-29 2001-05-31 Thomson Brandt Gmbh Verbesserung des Videofrequenzgangs
JP2003516048A (ja) * 1999-12-01 2003-05-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ チューナアラインメント
CA2357491A1 (en) * 2001-09-17 2003-03-17 Ralph Mason Filter tuning using direct digital sub-sampling
DE10156027B4 (de) * 2001-11-15 2012-02-09 Globalfoundries Inc. Abgleichbare Filterschaltung
JP2003234666A (ja) * 2002-02-07 2003-08-22 Toyota Industries Corp 無線機用半導体集積回路及び無線通信機
US8437720B2 (en) * 2002-12-02 2013-05-07 Broadcom Corporation Variable-gain low noise amplifier for digital terrestrial applications
US7471941B2 (en) * 2002-12-02 2008-12-30 Broadcom Corporation Amplifier assembly including variable gain amplifier, parallel programmable amplifiers, and AGC
US6798286B2 (en) * 2002-12-02 2004-09-28 Broadcom Corporation Gain control methods and systems in an amplifier assembly
US7260377B2 (en) * 2002-12-02 2007-08-21 Broadcom Corporation Variable-gain low noise amplifier for digital terrestrial applications
EP1911167B1 (en) * 2005-07-21 2011-09-14 Telegent Systems, Inc. Boosted-bias tunable filter with run-time calibration
US8335279B2 (en) * 2009-07-24 2012-12-18 Intel Corporation Alignment of channel filters for multiple-tuner apparatuses

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978655A (en) * 1957-10-01 1961-04-04 Rca Corp Automatic alignment system
US3473128A (en) * 1966-12-20 1969-10-14 Vari L Co Inc Automatic ganging of superheterodyne radio frequency stages
US4047112A (en) * 1968-08-30 1977-09-06 Matsushita Electric Industrial Co., Ltd. Channel selector employing variable capacitance elements for tuning
US3505620A (en) * 1968-11-27 1970-04-07 Gen Instrument Corp Presettable television channel tuner using variable capacitor and variable capacitance diodes
GB1316871A (en) * 1969-05-20 1973-05-16 Matsushita Electric Ind Co Ltd Tuning system for selecting channels
US3643168A (en) * 1969-07-07 1972-02-15 Standard Kallsman Ind Inc Solid-state tuned uhf television tuner
FR2107568A5 (fi) * 1970-09-12 1972-05-05 Matsushita Electric Ind Co Ltd
US3810022A (en) * 1972-07-21 1974-05-07 Zenith Radio Corp Digital to analog converter television tuning of varactor tuners
US3999131A (en) * 1972-11-14 1976-12-21 Tokyo Shibaura Electric Co., Ltd. Channel-selecting apparatus for multichannel receivers
JPS5267201A (en) * 1975-12-01 1977-06-03 Matsushita Electric Ind Co Ltd Station selecting unit
IT1057837B (it) * 1976-04-05 1982-03-30 Indesit Dispositivo per la sintonizzazione di un televisore
JPS601771B2 (ja) * 1976-04-05 1985-01-17 株式会社東芝 チヤンネル選択装置
US4081771A (en) * 1976-12-06 1978-03-28 Zenith Radio Corporation 82 Detent manual varactor tuning system
US4156850A (en) * 1977-08-29 1979-05-29 Rca Corporation Display system for facilitating the setup of a tuning system
US4164711A (en) * 1977-10-31 1979-08-14 Rca Corporation Tuning system including a memory for storing tuning information with user controls arranged to facilitate its programming
US4158816A (en) * 1977-12-23 1979-06-19 Rca Corporation Memory type tuning system with provisions for skipping nonpreferred tuning positions
DE2814577A1 (de) * 1978-04-05 1979-10-11 Nordmende Ueberlagerungsempfaenger
DE2834231A1 (de) * 1978-08-04 1980-02-28 Blaupunkt Werke Gmbh Verfahren zur selbsttaetigen gleichlaufeinstellung zwischen vor- und oszillatorkreis in einem ueberlagerungsempfaenger und schaltungsanordnung zur durchfuehrung dieses verfahrens
US4318130A (en) * 1978-08-09 1982-03-02 The Magnavox Company Microprocessor control system for television receivers
DE2945546C2 (de) * 1979-11-10 1983-09-29 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung für abstimmbare HF-Kreise
US4271529A (en) * 1980-03-20 1981-06-02 Zenith Radio Corporation Tunable resonant circuits for a multi-band VHF/UHF/CATV tuner
US4352206A (en) * 1980-04-08 1982-09-28 Rca Corporation Comparison arrangement for a digital tuning system
US4361909A (en) * 1980-05-30 1982-11-30 Rca Corporation Pre-tuner tracking traps responsive to a tuning voltage
US4368541A (en) * 1980-06-30 1983-01-11 Evans Robert M Multiplexing arrangement for a plurality of voltage controlled filters
US4334323A (en) * 1980-09-08 1982-06-08 Zenith Radio Corporation Self tracking tuner

Also Published As

Publication number Publication date
FR2565446B1 (fr) 1992-09-18
PT75515B (en) 1984-10-23
DK413082A (da) 1983-03-17
FI823127A0 (fi) 1982-09-09
DE3234236C2 (de) 1996-04-11
JPH039646B2 (fi) 1991-02-08
FR2565446A1 (fr) 1985-12-06
PT75515A (en) 1982-10-01
HK54289A (en) 1989-07-14
FI823127L (fi) 1983-03-17
IT1152585B (it) 1987-01-07
PL138270B1 (en) 1986-08-30
JPS5860816A (ja) 1983-04-11
DK159708C (da) 1991-04-15
DK159708B (da) 1990-11-19
KR910001374B1 (ko) 1991-03-04
SE8205143L (sv) 1983-03-17
GB2105935A (en) 1983-03-30
NZ201927A (en) 1985-12-13
AT385621B (de) 1988-04-25
GB2105935B (en) 1985-06-12
US4402089A (en) 1983-08-30
PL238250A1 (en) 1983-03-28
AU8816782A (en) 1983-03-24
ATA347182A (de) 1987-09-15
DE3234236A1 (de) 1983-03-31
IT8223277A0 (it) 1982-09-15
FI76468C (fi) 1988-10-10
AU558792B2 (en) 1987-02-12
ES8306940A1 (es) 1983-06-01
SE8205143D0 (sv) 1982-09-09
FI76468B (fi) 1988-06-30
ES515591A0 (es) 1983-06-01
ZA826809B (en) 1983-09-28
CA1177182A (en) 1984-10-30
KR840001985A (ko) 1984-06-07

Similar Documents

Publication Publication Date Title
SE452227B (sv) Televisionsavstemningsanordning med organ for elektronisk frekvensinstellning
US4368541A (en) Multiplexing arrangement for a plurality of voltage controlled filters
US4518993A (en) Television signal receiving system
JPH08505498A (ja) ブロードキャスト・チャネル置換方法および装置
JPH0210604B2 (fi)
US4476583A (en) Electronic tracking for tuners
CA1193032A (en) Tuning system for a multi-band television receiver
KR930007300B1 (ko) 더블 콘버젼(Double Conversion) 튜너의 자동 동조방법
KR100267446B1 (ko) 티브이 튜너
US3942122A (en) Multiband tuner control system
US4481673A (en) RF Prom tracking for tuners
US5524288A (en) Tuning of a radio receiver
US4142157A (en) Tuning system equalized with the slope factor of the tuning curve
CA1211872A (en) All-channel television tuning system
FI80547C (fi) Avstaemningssystem foer en mottagare.
GB2015837A (en) Frequency synthesis control system
FR2513055A1 (fr) Dispositif d'accord de recepteur de television avec un appareil de reglage electronique de frequence
KR0142101B1 (ko) 비디오 신호 기록기/플레이어 장치
EP0036335B1 (en) Station selecting apparatus
US3302119A (en) Tunable television receiver
GB2247796A (en) Radio receiving system with channel selection and fine tuning memories
JPH0145247B2 (fi)
FR2482388A1 (fr) Selecteur individuel de programmes de television
NZ330520A (en) Video recorder rf output frequency selection, two or more sets of predetermined channels being selectable

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8205143-4

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8205143-4

Format of ref document f/p: F