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
Strategic planning management
Fusing apparatus and image forming apparatus provided with the same, and heating apparatus
Wafer level packaging structure with large contact area and preparation method thereof
RFID reader revocation checking using low power attached displays
Transactional consistency scheme
Utility knife
Light source lighting device including a constant-current supply that is connected to a light source and supplies a constant current of a substantially constant magnitude to the light source,
  Randomly Featured Patents
Automatic dish serving system
Apparatus for the distribution of particulate material upon a surface
Single test station that can test a flying height and electrical characteristics of a recording head
Electrical connector with wafers having split ground planes
Depilatory wax applicator
Connector latch with integrated auxiliary contacts
Solution of ethylauramine hydrochloride in thiodiglycol
Superheterodyne noise measuring discriminators
Fluid operated cylinder device
Measuring apparatus