Moving pictures decompression device and method thereof
CA 2267505 A1 · Owner: Ikekawa, Masao · Inventors: Ikekawa, Masao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A moving pictures decompression device and method thereof which enable deterioration to be prevented regarding processing speed of a decode software when a moving pictures decompression is implemented. The moving pictures decompression device is provided with a CPU 1 in which a cache memory device is integrated an internal, memory device 2, a display device 3 an external storage device 4, and a, decode software operating in accordance - with the CPU 1. A first measure which combines to be implemented a variable length code decoding, an inverse quantization, and an inverse DCT (Discrete Cosine Transformation) regarding a plurality of macro blocks and a second, measure which combines to be …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed March 30, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 30, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 30, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.