TW586344B - Electronic apparatus - Google Patents

Electronic apparatus Download PDF

Info

Publication number
TW586344B
TW586344B TW92116004A TW92116004A TW586344B TW 586344 B TW586344 B TW 586344B TW 92116004 A TW92116004 A TW 92116004A TW 92116004 A TW92116004 A TW 92116004A TW 586344 B TW586344 B TW 586344B
Authority
TW
Taiwan
Prior art keywords
clock pulse
diffused
clock
pulses
types
Prior art date
Application number
TW92116004A
Other languages
English (en)
Chinese (zh)
Other versions
TW200401604A (en
Inventor
Michio Irie
Original Assignee
Seiko Epson 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
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of TW200401604A publication Critical patent/TW200401604A/zh
Application granted granted Critical
Publication of TW586344B publication Critical patent/TW586344B/zh

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/18—Timing circuits for raster scan displays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/715—Interference-related aspects
    • H04B2001/7152—Interference-related aspects with means for suppressing interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
TW92116004A 2002-06-18 2003-06-12 Electronic apparatus TW586344B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002177517A JP2004023556A (ja) 2002-06-18 2002-06-18 電子機器

Publications (2)

Publication Number Publication Date
TW200401604A TW200401604A (en) 2004-01-16
TW586344B true TW586344B (en) 2004-05-01

Family

ID=29717473

Family Applications (1)

Application Number Title Priority Date Filing Date
TW92116004A TW586344B (en) 2002-06-18 2003-06-12 Electronic apparatus

Country Status (6)

Country Link
US (1) US7224349B2 (https=)
EP (1) EP1376531B1 (https=)
JP (1) JP2004023556A (https=)
KR (1) KR20040002586A (https=)
CN (2) CN1469571A (https=)
TW (1) TW586344B (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7809973B2 (en) * 2005-11-16 2010-10-05 Cypress Semiconductor Corporation Spread spectrum clock for USB
US8035630B2 (en) 2006-10-13 2011-10-11 Seiko Epson Corporation USB image transmission system and device
US8055003B2 (en) 2008-04-01 2011-11-08 Apple Inc. Acoustic systems for electronic devices
TWI460572B (zh) 2009-12-04 2014-11-11 Via Tech Inc 時脈產生器以及通用串列匯流排模組
US8892184B2 (en) 2010-10-18 2014-11-18 Siemens Medical Solutions Usa, Inc. Systems and methods for reducing interference in a dual modality imaging system
KR20150019884A (ko) * 2013-08-16 2015-02-25 삼성전자주식회사 디스플레이 구동 회로 및 디스플레이 장치

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0163313A3 (en) 1984-05-30 1986-10-01 Tektronix, Inc. Method and apparatus for spectral dispersion of the radiated energy from a digital system
US4847603A (en) * 1986-05-01 1989-07-11 Blanchard Clark E Automatic closed loop scaling and drift correcting system and method particularly for aircraft head up displays
US4740792A (en) * 1986-08-27 1988-04-26 Hughes Aircraft Company Vehicle location system
US5488627A (en) 1993-11-29 1996-01-30 Lexmark International, Inc. Spread spectrum clock generator and associated method
US5631920A (en) 1993-11-29 1997-05-20 Lexmark International, Inc. Spread spectrum clock generator
US5640002A (en) * 1995-08-15 1997-06-17 Ruppert; Jonathan Paul Portable RF ID tag and barcode reader
US6020939A (en) 1996-01-19 2000-02-01 Sun Microsystems, Inc. Method and apparatus for reducing electromagnetic interference radiated by cathode ray tube displays
US5757338A (en) * 1996-08-21 1998-05-26 Neomagic Corp. EMI reduction for a flat-panel display controller using horizontal-line based spread spectrum
US5769032A (en) * 1997-02-03 1998-06-23 Yarnall, Sr.; Robert G. Method and apparatus for confining animals and/or humans using spread spectrum signals
US5999561A (en) * 1997-05-20 1999-12-07 Sanconix, Inc. Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset
US6169889B1 (en) * 1997-08-04 2001-01-02 Motorola Method and electronic device using random pulse characteristics in digital signals
JPH1173725A (ja) * 1997-08-29 1999-03-16 Sony Corp 情報信号記録再生システム、情報記録装置、情報信号再生装置および情報信号記録再生方法
US6600771B1 (en) 1998-01-20 2003-07-29 Silicon Image, Inc. Spread spectrum phase modulation for suppression of electromagnetic interference in parallel data channels
JP4034440B2 (ja) 1998-10-16 2008-01-16 オリンパス株式会社 映像機器
JP3363808B2 (ja) * 1998-11-24 2003-01-08 富士通株式会社 シミュレーション装置及び方法並びにプログラム記録媒体
JP2000216667A (ja) 1999-01-25 2000-08-04 Hitachi Ltd クロック発振回路
US6687319B1 (en) * 1999-02-04 2004-02-03 Rambus Inc. Spread spectrum clocking of digital signals
JP2000252817A (ja) 1999-03-03 2000-09-14 Kawasaki Steel Corp Ｐｌｌ回路
KR100430097B1 (ko) * 1999-04-06 2004-05-03 엘지.필립스 엘시디 주식회사 액정표시장치용 모니터 구동회로
KR100326200B1 (ko) 1999-04-12 2002-02-27 구본준, 론 위라하디락사 데이터 중계장치와 이를 이용한 액정패널 구동장치, 모니터 장치 및 표시장치의 구동방법
US6396438B1 (en) * 1999-09-24 2002-05-28 Slc Technologies System and method for locating radio frequency identification tags using three-phase antenna
US6693511B1 (en) * 1999-09-24 2004-02-17 Ge Interlogix, Inc. System and method for communicating with dormant radio frequency identification tags
US6876339B2 (en) * 1999-12-27 2005-04-05 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and driving method thereof
JP2001191585A (ja) 2000-01-13 2001-07-17 Ricoh Co Ltd 電子機器、画像形成装置、複写機およびファクシミリ装置
US6580432B1 (en) * 2000-01-14 2003-06-17 Ati International Srl Spread spectrum FIFO and method for storing data for multiple display types
US6648821B2 (en) * 2000-01-21 2003-11-18 Medtronic Minimed, Inc. Microprocessor controlled ambulatory medical apparatus with hand held communication device
US6366174B1 (en) * 2000-02-21 2002-04-02 Lexmark International, Inc. Method and apparatus for providing a clock generation circuit for digitally controlled frequency or spread spectrum clocking
US6643317B1 (en) * 2000-02-25 2003-11-04 Electronics For Imaging, Inc. Digital spread spectrum circuit
JP4694670B2 (ja) 2000-03-31 2011-06-08 株式会社日立製作所 プラズマ表示装置
KR100706742B1 (ko) 2000-07-18 2007-04-11 삼성전자주식회사 평판 디스플레이 장치
US6493275B2 (en) * 2000-08-07 2002-12-10 Matsushita Electric Industrial Co., Ltd. Semiconductor integrated circuit device and electronic equipment
JP2002091603A (ja) 2000-09-20 2002-03-29 Sharp Corp クロック発生回路を内蔵する集積回路
KR100471054B1 (ko) * 2000-11-18 2005-03-07 삼성전자주식회사 컴퓨터 시스템 및 그의 화상처리방법
JP2002158839A (ja) 2000-11-20 2002-05-31 Ricoh Co Ltd 画像読取装置
JP3997069B2 (ja) * 2001-10-03 2007-10-24 キヤノン株式会社 周波数拡散発振器を有する集積回路装置及び該装置を有するインクジェット記録装置
WO2003036607A1 (en) * 2001-10-25 2003-05-01 Fujitsu Limited Display control device
JP3591503B2 (ja) * 2001-11-08 2004-11-24 セイコーエプソン株式会社 周波数拡散されたクロックを基準に動作し、入力画像信号を処理する画像処理装置
US7346099B2 (en) * 2002-01-03 2008-03-18 Intel Corporation Network fabric physical layer
US7305020B2 (en) * 2002-02-04 2007-12-04 Vizionware, Inc. Method and system of reducing electromagnetic interference emissions
US6982707B2 (en) * 2002-03-14 2006-01-03 Genesis Microchip Inc. Method and apparatus utilizing direct digital synthesizer and spread spectrum techniques for reducing EMI in digital display devices

Also Published As

Publication number Publication date
EP1376531A3 (en) 2005-06-08
EP1376531B1 (en) 2012-06-13
US20040041775A1 (en) 2004-03-04
KR20040002586A (ko) 2004-01-07
EP1376531A2 (en) 2004-01-02
US7224349B2 (en) 2007-05-29
JP2004023556A (ja) 2004-01-22
TW200401604A (en) 2004-01-16
CN2678260Y (zh) 2005-02-09
CN1469571A (zh) 2004-01-21

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MM4A Annulment or lapse of patent due to non-payment of fees