VIDEO MULTIPLEXING
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United States of America Patent
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Issued Date -
Oct 4, 2012
app pub date -
Aug 31, 2011
filing date -
Mar 31, 2011
priority date (Note) -
Abandoned
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Abstract
A video system including a plurality of video sources, a recording device, a memory, and a controller. The controller receives video frames from the video sources and includes a first and a second write control module, a read control module, and a frame rate control module. The first write control module includes a write pointer and writes a first video frame to a first frame buffer. The second write control module includes a second write pointer and writes a second video frame to a second frame buffer. The read control module includes a read pointer. The frame rate control module controls the reading of the first and second video frames based on a multiplexing order and a read memory location of the read pointer respecting a write memory location of the write pointer. The read control module outputs a multiplexed signal to the recording device according to the multiplexing order.
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