On-screen display device with compressed data and display...

Details On-screen display device with compressed data and display... On-screen display device with compressed data and display...

2007-04-18

2011-11-29

Natnael, Paulos (Department: 2422)

Television

Basic receiver with additional function

For display of additional information

Reexamination Certificate

active

08068179

ABSTRACT:
An on-screen display (OSD) device includes a memory, a processing unit, a buffer, a buffer controller, a decompression engine and an OSD video processing engine. The memory stores an OSD data to be played or processed. The processing unit reads the OSD data from the memory and produces a compressed OSD image data and OSD information. The buffer temporarily stores the compressed OSD image data for display. The decompression engine decompresses the compressed OSD image data temporarily stored in the buffer into an OSD image data and stores the OSD image data in the buffer. The OSD video processing engine receives the OSD information outputted from the processing unit through the buffer controller and produces an OSD image display data.

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