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H04N2201/04774
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ELECTRICITY
H04
Electric communication
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PICTORIAL COMMUNICATION
H04N2201/00
Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
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H04N2201/04774
using a reference clock or oscillator
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device, semiconductor system, and electronic apparatus
Patent number
10,439,389
Issue date
Oct 8, 2019
Canon Kabushiki Kaisha
Masanori Ogura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Image processing device and image forming apparatus that generates...
Patent number
10,003,708
Issue date
Jun 19, 2018
Kyocera Document Solutions Inc.
Akizo Otani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source drive device, optical scanning device and image formin...
Patent number
9,155,148
Issue date
Oct 6, 2015
Ricoh Company, Ltd.
Masaaki Ishida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pixel clock generating device and image forming apparatus
Patent number
9,030,517
Issue date
May 12, 2015
Ricoh Company, Ltd.
Naruhiro Masui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing circuit, image scanner, and image forming apparatus
Patent number
9,001,346
Issue date
Apr 7, 2015
Ricoh Company, Ltd.
Masamoto Nakazawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical scanning device and image forming apparatus
Patent number
8,699,110
Issue date
Apr 15, 2014
Ricoh Company, Limited
Hibiki Tatsuno
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Optical scanning device, image display device and retinal scanning...
Patent number
8,089,671
Issue date
Jan 3, 2012
Brother Kogyo Kabushiki Kaisha
Katsuo Saito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frequency modulation apparatus and frequency modulation method
Patent number
7,692,679
Issue date
Apr 6, 2010
Canon Kabushiki Kaisha
Mitsuo Shiraishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image reading apparatus and reading resolution confirming method
Patent number
7,580,162
Issue date
Aug 25, 2009
Brother Kogyo Kabushiki Kaisha
Tetsuya Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frequency modulation apparatus and frequency modulation method
Patent number
7,471,308
Issue date
Dec 30, 2008
Canon Kabushiki Kaisha
Mitsuo Shiraishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frequency modulation apparatus and frequency modulation method
Patent number
7,369,148
Issue date
May 6, 2008
Canon Kabushiki Kaisha
Mitsuo Shiraishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for optical recording and image forming capabl...
Patent number
7,224,378
Issue date
May 29, 2007
Ricoh Company, Ltd.
Katsuhiko Maeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical scanning device and image forming system including the same
Patent number
7,116,347
Issue date
Oct 3, 2006
Ricoh Company, Ltd.
Atsushi Kawamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Clock generating circuit and image-forming apparatus
Patent number
7,079,172
Issue date
Jul 18, 2006
Konica Corporation
Kenji Izumiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image reading apparatus
Patent number
6,903,847
Issue date
Jun 7, 2005
Minolta Co., Ltd.
Koji Tsukada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for image forming
Patent number
6,310,681
Issue date
Oct 30, 2001
Fuji Xerox Co., Ltd.
Michio Taniwaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Scanner facet height error compensation having selective pixel modi...
Patent number
5,991,008
Issue date
Nov 23, 1999
Imation Corp.
Yun Zhong Li
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Oscillator system with corrective frequency modulation
Patent number
5,973,574
Issue date
Oct 26, 1999
Eastman Kodak Company
William R. Markis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color image forming device
Patent number
5,933,184
Issue date
Aug 3, 1999
Fujitsu Limited
Masahide Ishigami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for image nonlinearity compensation in scannin...
Patent number
5,910,651
Issue date
Jun 8, 1999
Gerber Systems Corporation
Mark Ryvkin
G02 - OPTICS
Information
Patent Grant
Pixel clock generator
Patent number
5,671,069
Issue date
Sep 23, 1997
Fuji Xerox Co., Ltd.
Kouichi Kodama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image exposure apparatus with compensation for variations in scanni...
Patent number
5,541,637
Issue date
Jul 30, 1996
Brother Kogyo Kabushiki Kaisha
Tsuyoshi Ohashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Clock signal generating device
Patent number
5,488,645
Issue date
Jan 30, 1996
Fuji Electric Co., Ltd.
Kenichi Mori
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for pixel synchronization
Patent number
5,440,673
Issue date
Aug 8, 1995
Polaroid Corporation
Paul F. Sullivan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for velocity compensation of the scanning spot...
Patent number
5,333,067
Issue date
Jul 26, 1994
Olive Tree Technology, Inc.
Yee-Ming Chung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and circuit for driving an electromechanical device rapidly...
Patent number
5,257,041
Issue date
Oct 26, 1993
Eastman Kodak Company
John M. Kresock
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Color image forming apparatus with improved color image registration
Patent number
5,233,402
Issue date
Aug 3, 1993
Konica Corporation
Michio Yagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Scanner with a linearized pixel clock
Patent number
5,175,636
Issue date
Dec 29, 1992
Olive Tree Technology, Inc.
Melvin E. Swanberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Scanner with electronic non-linearity compensation and method of pr...
Patent number
5,117,243
Issue date
May 26, 1992
S&R Tech Development, Inc.
Melvin E. Swanberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Beam scan type recording apparatus with electrically F theta correc...
Patent number
5,115,328
Issue date
May 19, 1992
Minolta Camera Kabushiki Kaisha
Takashi Kadono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR DEVICE, SEMICONDUCTOR SYSTEM, AND ELECTRONIC APPARATUS
Publication number
20180152018
Publication date
May 31, 2018
Canon Kabushiki Kaisha
Masanori Ogura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20140160545
Publication date
Jun 12, 2014
RICOH COMPANY, LIMITED
Hibiki TATSUNO
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIGHT SOURCE DRIVE DEVICE, OPTICAL SCANNING DEVICE AND IMAGE FORMIN...
Publication number
20120293783
Publication date
Nov 22, 2012
Masaaki Ishida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL PROCESSING CIRCUIT, IMAGE SCANNER, AND IMAGE FORMING APPARATUS
Publication number
20120224205
Publication date
Sep 6, 2012
RICOH COMPANY, LTD.
Masamoto Nakazawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PIXEL CLOCK GENERATING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20110221739
Publication date
Sep 15, 2011
RICOH COMPANY, LTD.
NARUHIRO MASUI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20110141536
Publication date
Jun 16, 2011
Hibiki TATSUNO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical scanning device, image display device and retinal scanning...
Publication number
20100046053
Publication date
Feb 25, 2010
BROTHER KOGYO KABUSHIKI KAISHA
Katsuo Saito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical scanning module with linear CMOS image
Publication number
20090135288
Publication date
May 28, 2009
San-Woei Shyu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Frequency modulation apparatus and frequency modulation method
Publication number
20090009582
Publication date
Jan 8, 2009
Canon Kabushiki Kaisha
Mitsuo Shiraishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Frequency modulation apparatus and frequency modulation method
Publication number
20080036848
Publication date
Feb 14, 2008
Canon Kabushiki Kaisha
Mitsuo Shiraishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Analog front-end circuit and electronic apparatus
Publication number
20060176525
Publication date
Aug 10, 2006
Seiko Epson Corporation
Masahiko Mizuta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Exposure apparatus and exposure method
Publication number
20050225788
Publication date
Oct 13, 2005
Fuji Photo Film Co., Ltd.
Toru Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image reading apparatus, reading resolution confirming method, and...
Publication number
20040212845
Publication date
Oct 28, 2004
BROTHER KOGYO KABUSHIKI KAISHA
Tetsuya Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Frequency modulation apparatus and frequency modulation method
Publication number
20040179246
Publication date
Sep 16, 2004
Canon Kabushiki Kaisha
Mitsuo Shiraishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for optical recording and image forming capabl...
Publication number
20040160506
Publication date
Aug 19, 2004
Katsuhiko Maeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical scanning device and image forming system including the same
Publication number
20020093566
Publication date
Jul 18, 2002
Atsushi Kawamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Clock generating circuit and image-forming apparatus
Publication number
20020085241
Publication date
Jul 4, 2002
Konica Corporation
Kenji Izumiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image reading apparatus
Publication number
20010013955
Publication date
Aug 16, 2001
Koji Tsukata
H04 - ELECTRIC COMMUNICATION TECHNIQUE