Interlaced digital video input/filter/decimator and/or expander/interpolator filter
CA 1236914 A · Owner: Rca Corporation · Inventors: Arbeiter, James H.; Bessler, Roger F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure The invention reduces storage capacity required by one dimensional digital filter/decimator and/or expander/interpolation filter used for spatially filtering that given dimension of a scanned two-dimensional image represented by a temporal video signal which is, orthogonal to raster scan lines. Such filter devices are particularly suitable for use in Burt Pyramid image processing systems.
Read the whole patent
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
- Granted May 17, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 17, 2005.
- 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.