Resources Contact Us Home
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
Charged particle beam apparatus
Materials and methods for synthesis of a flavor and aroma volatile in plants
Probe for ultrasound diagnostic apparatus
Configurable caged ball insert for a downhole tool
Circuit breakers
Maize hybrid X95C382
Stable file system
  Randomly Featured Patents
Security device
Method and system for low bit rate voice encoding and decoding applicable for any reduced bandwidth requirements including wireless
Water-cooled nuclear reactor with passive emergency shutdown and core cooling capability and on-line refueling
Nucleic acid encoding a signal mediator protein that induces cellular morphological alterations
Methods, systems, and computer program products for implementing a standardized interpretive engine
Silicon controlled rectifier for sige process, manufacturing method thereof and integrated circuit including the same
Media player
Articulated joint between two shafts
Mobile wireless communications device comprising a top-mounted auxiliary input/output device and a bottom-mounted antenna
Document printer