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
Media used in digital high speed inkjet web press printing
Restore software with aggregated view of content databases
Real ear measurement system using thin tube
Process for preparation of Efavirenz
Methods, systems, and media for swapping faces in images
Display window with level of service graphical user interface
Roll of continuous web of optical film laminate and production method therefor
  Randomly Featured Patents
Plasma cassette etcher
Apparatus and method for driving liquid crystal display device
Piezoelectric inkjet head structure
Ultraviolet and visible filter for ceramic arc tube body
Light source unit and projector type display device using the light source unit
System for diagnosing reagent solution quality
Method of forming a trapezoidally shaped sleeve having a printed lower portion
Plastidic phosphoglucomutase genes
Instrument for optically measuring soft contact lens parameters