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
Semiconductor device with an amorphous semi-insulating layer, temperature sensor, and method of manufacturing a semiconductor device
Composite high reflectivity layer
System and method for combining different tablets into a pouch
Method and apparatus for displaying system status with a wide range of viewing angle
Method for producing purified influenza virus antigen
Method of forming a power supply controller and structure therefor
System and methods for random parameter filtering
  Randomly Featured Patents
Photocurable resin composition and a method for forming a pattern
Method and apparatus for scanning a workpiece through an ion beam
Varactor, in particular for radio-frequency transceivers
Adjustable strut spacer
Rotor rotating angle limiter
Heating and/or air-conditioning apparatus, particularly for a motor vehicle
Control system for an exhaust gas sensor
Storage area network (SAN) forecasting in a heterogeneous environment
Method of adjusting door glass cross car for frameless window systems
Character reader and recognizer with a specialized editing function