Resources Contact Us Home
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
Automatic stop and restart device for an engine
Securing information by hiding identity on a computing device
Method and system for providing intelligent call rejection and call rollover in a data network
Methods of prognosing a rheumatoid arthritis remission phenotype
Synthesis of amines and intermediates for the synthesis thereof
Magnetic resonance imaging apparatus for use with radiotherapy
Method for correcting integrating cavity effect for calibration and/or characterization targets
  Randomly Featured Patents
High temperature piezoelectric ceramics
Method and apparatus for positioning a ceramic induction discharge body relative to an induction coil
Brush seal device
Setup of device-to-device connection
Conveying device
System employing XDSL spectrum relocation
Test system and procedure for the determination of NAD (P) H
Electronic half bridge module
Apparatus and method for quick pain suppression
Movement apparatus for the injection assembly of a moulding machine for plastics