KR100743444B1 - 디지털 신호를 위한 수신기를 튜닝하는 방법, 및 수신기 - Google Patents

디지털 신호를 위한 수신기를 튜닝하는 방법, 및 수신기 Download PDF

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Publication number
KR100743444B1
KR100743444B1 KR1020017009624A KR20017009624A KR100743444B1 KR 100743444 B1 KR100743444 B1 KR 100743444B1 KR 1020017009624 A KR1020017009624 A KR 1020017009624A KR 20017009624 A KR20017009624 A KR 20017009624A KR 100743444 B1 KR100743444 B1 KR 100743444B1
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KR
South Korea
Prior art keywords
signal
digital
filt
receiver
band
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Expired - Lifetime
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KR1020017009624A
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English (en)
Korean (ko)
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KR20010101886A (ko
Inventor
알란 씨. 엘. 예오
한 엘. 피. 탄
요하네스 하. 아. 브레켈만스
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코닌클리케 필립스 일렉트로닉스 엔.브이.
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Publication of KR20010101886A publication Critical patent/KR20010101886A/ko
Application granted granted Critical
Publication of KR100743444B1 publication Critical patent/KR100743444B1/ko
Assigned to 엔엑스피 비 브이 reassignment 엔엑스피 비 브이 권리의 전부이전등록 Assignors: 코닌클리케 필립스 일렉트로닉스 엔.브이.
Assigned to 칼라한 셀룰러 엘.엘.씨. reassignment 칼라한 셀룰러 엘.엘.씨. 권리의 전부이전등록 Assignors: 엔엑스피 비 브이
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
KR1020017009624A 1999-12-01 2000-11-27 디지털 신호를 위한 수신기를 튜닝하는 방법, 및 수신기 Expired - Lifetime KR100743444B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SGPCT/SG99/00134 1999-12-01
SG9900134 1999-12-01

Publications (2)

Publication Number Publication Date
KR20010101886A KR20010101886A (ko) 2001-11-15
KR100743444B1 true KR100743444B1 (ko) 2007-07-30

Family

ID=20430260

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020017009624A Expired - Lifetime KR100743444B1 (ko) 1999-12-01 2000-11-27 디지털 신호를 위한 수신기를 튜닝하는 방법, 및 수신기

Country Status (6)

Country Link
US (1) US7499694B1 (https=)
EP (1) EP1188306A2 (https=)
JP (1) JP2003516048A (https=)
KR (1) KR100743444B1 (https=)
CN (1) CN100382588C (https=)
WO (1) WO2001041424A2 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0126219D0 (en) * 2001-11-01 2002-01-02 Koninkl Philips Electronics Nv Tunable filter
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
GB0216450D0 (en) 2002-07-16 2002-08-21 Zarlink Semiconductor Ltd Tuner
US7680477B2 (en) 2004-09-03 2010-03-16 Texas Instruments Incorporated Integrated radio frequency filters for multiband transceivers
GB2427088B (en) * 2005-06-08 2008-12-24 Zarlink Semiconductor Ltd Radio frequency tuner
US7881688B1 (en) * 2006-09-29 2011-02-01 Marvell International Ltd. Method and apparatus for controlling a local oscillator
KR100886434B1 (ko) * 2007-11-06 2009-03-02 한국전자통신연구원 채널 대역 가변적인 시스템 및 가변 필터 제어 방법
CN105991203B (zh) * 2015-03-05 2018-10-30 博通集成电路（上海）股份有限公司 频道选择装置及其方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404161A (en) * 1993-07-27 1995-04-04 Information Resources, Inc. Tuned signal detector for use with a radio frequency receiver

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399559A (en) * 1980-05-30 1983-08-16 Rca Corporation Voltage controlled tuner with voltage variable frequency selective arrangements controlled in response to a control voltage generated independently of the tuning voltage
US4402089A (en) * 1981-09-16 1983-08-30 Rca Corporation Television tuning system with electronic frequency adjustment apparatus
JPS6121660A (ja) * 1984-07-10 1986-01-30 Toshiba Corp 搬送波再生回路
NL8402880A (nl) * 1984-09-20 1986-04-16 Philips Nv Televisie-ontvanger met een automatische hoogfrequentkringafregelschakeling.
EP0276144B1 (en) * 1987-01-20 1993-11-18 Matsushita Electric Industrial Co., Ltd. Signal receiver for terrestrial and satellite broadcastings
US5065107A (en) * 1990-04-19 1991-11-12 University Of Saskatchewan Phase-locked loop bandwidth switching demodulator for suppressed carrier signals
US5179302A (en) * 1991-04-03 1993-01-12 Loral Aerospace Corp. Tunable data filter
US5280638A (en) * 1991-09-06 1994-01-18 Ford Motor Company RF filter self-alignment for multiband radio receiver
US5438699A (en) * 1992-06-09 1995-08-01 Coveley; Michael Adaptive system for self-tuning a receiver in an RF communication system
US5678211A (en) * 1992-08-28 1997-10-14 Thomson Consumer Electronics, Inc. Television tuning apparatus
JPH07297779A (ja) * 1994-04-26 1995-11-10 Toshiba Corp 自動周波数制御機能を備えたディジタル無線機
US5752179A (en) * 1995-08-17 1998-05-12 Zenith Electronics Corporation Selective RF circuit with varactor tuned and switched bandpass filters
US5721756A (en) * 1996-03-26 1998-02-24 Sicom, Inc. Digital receiver with tunable analog parameters and method therefor
US5949832A (en) * 1996-03-26 1999-09-07 Sicom, Inc. Digital receiver with tunable analog filter and method therefor
JPH09326837A (ja) * 1996-06-06 1997-12-16 Kokusai Electric Co Ltd 自動周波数制御方法とその回路、受信機
US5963856A (en) * 1997-01-03 1999-10-05 Lucent Technologies Inc Wireless receiver including tunable RF bandpass filter
TW331681B (en) * 1997-02-18 1998-05-11 Chyng-Guang Juang Wide-band low-noise low-crossover distortion receiver
JPH10276125A (ja) * 1997-03-28 1998-10-13 Matsushita Electric Ind Co Ltd 移動無線受信装置
GB2336731A (en) * 1998-04-22 1999-10-27 Thomson Multimedia Sa A video tuner in which data representing a PLL division is used to control other circuit parameters
US6169569B1 (en) * 1998-05-22 2001-01-02 Temic Telefumken Cable modem tuner
US6560270B1 (en) * 1999-03-04 2003-05-06 Northrop Grumman Corporation Method for tuning a spread spectrum receiver
US6307442B1 (en) * 1999-05-17 2001-10-23 Maxim Integrated Products Enhanced LC filter with tunable Q
US6463266B1 (en) * 1999-08-10 2002-10-08 Broadcom Corporation Radio frequency control for communications systems
US6307443B1 (en) * 1999-09-24 2001-10-23 Agere Systems Guardian Corp. Bandpass filters with automatic tuning adjustment
US7072783B2 (en) * 2003-12-03 2006-07-04 Motorola, Inc. Frequency and timing error estimation and corresponding channel characterization in a communication system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404161A (en) * 1993-07-27 1995-04-04 Information Resources, Inc. Tuned signal detector for use with a radio frequency receiver

Also Published As

Publication number Publication date
CN100382588C (zh) 2008-04-16
US7499694B1 (en) 2009-03-03
JP2003516048A (ja) 2003-05-07
WO2001041424A3 (en) 2001-12-13
WO2001041424A2 (en) 2001-06-07
KR20010101886A (ko) 2001-11-15
CN1357195A (zh) 2002-07-03
EP1188306A2 (en) 2002-03-20

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