Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1992-02-05
1993-10-26
Kostak, Victor R.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358 11, H04N 701
Patent
active
052571033
ABSTRACT:
Disclosed is a method and apparatus for converting interlaced input video to a sequential output compatible with sequential input display devices. The video input is digitized and decoded so as to provide separate luminance or chrominance information for each pixel to a line buffer memory. A line derived frequency reference from the input video serves to reference a pixel clock which clocks pixel information into the memory and clocks pixel information out of the memory at twice the pixel clock rate. The decoder also digitizes the luminance/chrominance information prior to storage in the memory and, as this information is read out of the memory, it is converted back into analog data by a suitable D-A converter and then is converted into appropriate format to provide red, green and blue video output information for operating sequential input devices.
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Jones Garth S.
Kosin Kenneth
Trani Stephen S.
Vogeley James H.
Kostak Victor R.
n-View Corporation
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