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










Image Number 2 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
Magnesium metal-air battery
Laser marking of a card
Buffer pool extension for database server
Handover signaling in wireless networks
Combination immunotherapy for the treatment of cancer
Hair motion compositor system for use in a hair/fur pipeline
System and method for detecting executable machine instructions in a data stream
  Randomly Featured Patents
Portable terminal having a projection unit
Center chirping within series connected interdigitated transducers
Bacillus thuringiensis protein toxic to coleopteran insects
Method for obtaining precise sampling frequency of global positioning system (GPS)
Oxygen blending in a piston ventilator
Compact disc damper and method
Hot warning device for cooking apparatus
Complex type cleaner
Three piece ball template
Pixel rounding method and circuit for use in a raster scan display device and a raster scan display device comprising such circuit