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
Heap/stack guard pages using a wakeup unit
Selection of a suitable node to host a virtual machine in an environment containing a large number of nodes
Nonvolatile semiconductor storage device having conductive and insulative charge storage films
Fail-safe upgrading of portable electronic device software
Address generation unit for accessing a multi-dimensional data structure in a desired pattern
Systems and methods for providing live voicemail to a mobile handset
Method and system for leveraging the power of one's social-network in an online marketplace
  Randomly Featured Patents
Sterilizable fluidized bed fermenter
Process for the purification of o-phthalaldehyde
Reservoir evaluation methods
Image reading apparatus and method of controlling the same
Abnormality diagnosing apparatus and abnormality diagnosing method
Heating cutter
Pressure-based diagnostic system for process transmitter
Control device for a vehicle with two roofs
Method of keeping captive Zebra mussels alive
Light measurement apparatus