BR9304425A - Sistema de exploraçao de rastreio, processo para manter constante um tamanho de ponto luminoso de um ponto luminoso explorado de um sistema de exploraçao de rastreio, e sistema de exploraçao de rastreio desviado tangencialmente - Google Patents

Sistema de exploraçao de rastreio, processo para manter constante um tamanho de ponto luminoso de um ponto luminoso explorado de um sistema de exploraçao de rastreio, e sistema de exploraçao de rastreio desviado tangencialmente

Info

Publication number
BR9304425A
BR9304425A BR9304425A BR9304425A BR9304425A BR 9304425 A BR9304425 A BR 9304425A BR 9304425 A BR9304425 A BR 9304425A BR 9304425 A BR9304425 A BR 9304425A BR 9304425 A BR9304425 A BR 9304425A
Authority
BR
Brazil
Prior art keywords
scanning
constant
scanning system
keeping
scanned
Prior art date
Application number
BR9304425A
Other languages
English (en)
Inventor
James J Appel
Aron Nacman
Original Assignee
Xerox Corp Sociedade Norte Ame
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 Xerox Corp Sociedade Norte Ame filed Critical Xerox Corp Sociedade Norte Ame
Publication of BR9304425A publication Critical patent/BR9304425A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
    • H04N3/08—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving reflector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/26—Modifications of scanning arrangements to improve focusing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Laser Beam Printer (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Dot-Matrix Printers And Others (AREA)
BR9304425A 1992-11-03 1993-10-29 Sistema de exploraçao de rastreio, processo para manter constante um tamanho de ponto luminoso de um ponto luminoso explorado de um sistema de exploraçao de rastreio, e sistema de exploraçao de rastreio desviado tangencialmente BR9304425A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/971,033 US5489936A (en) 1992-11-03 1992-11-03 Fast scan spot correction in a polygon ROS using PWM

Publications (1)

Publication Number Publication Date
BR9304425A true BR9304425A (pt) 1994-05-10

Family

ID=25517849

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9304425A BR9304425A (pt) 1992-11-03 1993-10-29 Sistema de exploraçao de rastreio, processo para manter constante um tamanho de ponto luminoso de um ponto luminoso explorado de um sistema de exploraçao de rastreio, e sistema de exploraçao de rastreio desviado tangencialmente

Country Status (6)

Country Link
US (1) US5489936A (pt)
EP (1) EP0596719B1 (pt)
JP (1) JPH06143677A (pt)
BR (1) BR9304425A (pt)
DE (1) DE69323951T2 (pt)
MX (1) MX9306505A (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0695078B1 (en) 1994-07-29 2000-10-11 Xerox Corporation Fast scan spot correction in a polygon raster output scanner
US5991008A (en) * 1997-09-30 1999-11-23 Imation Corp. Scanner facet height error compensation having selective pixel modification
JP3673709B2 (ja) 1999-11-09 2005-07-20 キヤノン株式会社 光走査装置及び画像形成装置
US6335751B1 (en) * 2000-03-24 2002-01-01 Hewlett-Packard Co. System and method for rendering an output image onto an image transfer surface using multiple optical scan paths
US6793450B2 (en) * 2002-02-05 2004-09-21 Holtec International, Inc. Below grade cask transfer facility
JP2004341295A (ja) * 2003-05-16 2004-12-02 Hitachi Printing Solutions Ltd 電子写真装置の露光装置
KR100574509B1 (ko) * 2003-11-21 2006-04-27 삼성전자주식회사 광량편차보정 기능이 지원되는 인쇄 장치 및 그 인쇄 방법
US20060087051A1 (en) * 2004-10-27 2006-04-27 Bunick Frank J Dosage forms having a microreliefed surface and methods and apparatus for their production
US20070190133A1 (en) * 2004-10-27 2007-08-16 Bunick Frank J Dosage forms having a microreliefed surface and methods and apparatus for their production
US20060088587A1 (en) * 2004-10-27 2006-04-27 Bunick Frank J Dosage forms having a microreliefed surface and methods and apparatus for their production
US20060088593A1 (en) * 2004-10-27 2006-04-27 Bunick Frank J Dosage forms having a microreliefed surface and methods and apparatus for their production
US8383159B2 (en) * 2004-10-27 2013-02-26 Mcneil-Ppc, Inc. Dosage forms having a microreliefed surface and methods and apparatus for their production
US20070281022A1 (en) * 2004-10-27 2007-12-06 Bunick Frank J Dosage forms having a microreliefed surface and methods and apparatus for their production
US20060088586A1 (en) * 2004-10-27 2006-04-27 Bunick Frank J Dosage forms having a microreliefed surface and methods and apparatus for their production
US8947734B1 (en) * 2006-07-27 2015-02-03 Marvell International Ltd. Pulse width modulator for a printing device
JP2009192563A (ja) * 2008-02-12 2009-08-27 Ricoh Co Ltd 光走査装置及び画像形成装置
US9699352B1 (en) * 2015-12-30 2017-07-04 Lexmark International, Inc. Laser scanning unit adjusting output power of modulated beam using shading information to reduce scan line energy variation

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034408A (en) * 1974-07-15 1977-07-05 Xerox Corporation Flying spot scanner
JPS5553780A (en) * 1978-10-16 1980-04-19 Fuji Photo Film Co Ltd Character recording device
US4257053A (en) * 1979-02-09 1981-03-17 Geosource, Inc. High-resolution laser plotter
US4799069A (en) * 1986-04-18 1989-01-17 Minolta Camera Kabushiki Kaisha Laser recording apparatus
JPH0782156B2 (ja) * 1986-05-23 1995-09-06 株式会社日立製作所 記録光学系
JPH01101772A (ja) * 1987-10-14 1989-04-19 Ricoh Co Ltd レーザ記録装置
US4835545A (en) * 1987-11-30 1989-05-30 Printware, Inc. Modulating laser intensity in a laser printer proportionately to the velocity of the photoconductive media
JP3050880B2 (ja) * 1989-04-28 2000-06-12 株式会社リコー 画像形成装置
US4941721A (en) * 1989-06-01 1990-07-17 Xerox Corporation Raster scanning system utilizing overfilled polygon facet design
US4978185A (en) * 1989-10-25 1990-12-18 Xerox Corporation Raster scanning system utilizing overfilled polygon facet design with non-reflective facet edges
US5117243A (en) * 1990-04-06 1992-05-26 S&R Tech Development, Inc. Scanner with electronic non-linearity compensation and method of processing image data
JP3021538B2 (ja) * 1990-05-02 2000-03-15 ミノルタ株式会社 デジタル画像形成装置
US5241330A (en) * 1990-10-02 1993-08-31 Dainippon Screen Mfg. Co., Ltd. Beam recording with scanning speed change due to F.θ lens characteristics
US5184226A (en) * 1991-10-25 1993-02-02 Xerox Corporation Digital video pulse width and position modulator

Also Published As

Publication number Publication date
EP0596719B1 (en) 1999-03-17
EP0596719A2 (en) 1994-05-11
DE69323951T2 (de) 1999-08-05
US5489936A (en) 1996-02-06
JPH06143677A (ja) 1994-05-24
DE69323951D1 (de) 1999-04-22
MX9306505A (es) 1994-05-31
EP0596719A3 (en) 1994-09-07

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B24C Patent annual fee: request for for restoration

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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.