Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Image reading apparatus and method










Image Number 7 for United States Patent #8130421.

An image reading apparatus for reading a document by causing an image sensor having a plurality of light receiving pixels to scan the document including an encoder configured to output pulses according to rotation of a motor, a generating unit configured to generate a read synchronizing signal for the image sensor based on the pulses, an obtaining unit configured to obtain first shading data corresponding to at least two data accumulation time points from the image sensor, and a storage unit configured to store the first shading data, wherein a function is generated with second shading data corresponding to a read data accumulation time point and is corrected on the basis of the first shading data.








 
 
  Recently Added Patents
Salts and polymorphs of desazadesferrithiocin polyether analogues as metal chelation agents
Managing a spinlock indicative of exclusive access to a system resource
Method and apparatus for sharing virtual workspaces
LED driving circuit, LED illumination appliance, LED illuminator, and LED illumination system
Vacuum switch and electrode assembly therefor
Method of driving stereoscopic display apparatus and stereoscopic display apparatus
Controller for internal combustion engine
  Randomly Featured Patents
Shrub rose plant named `Radyod`
Derivatives of 1,3,4-oxadiazole and electrophotographic elements containing same
Metal foil excellent in electrical contact stability
Medical imaging apparatus
Telephone shoulder rest
Wheelchair with pivoted basket
Fail-safe monitor of d.c. voltage
Driveline coupling with safety interlock mechanism
Analog oscilloscope digitizer
Automobile wheel