Memory system
CA 1262969 C · Owner: Ascii Corporation · Inventors: Ishii, Takatoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A memory system provided with two data buffers respectively in the word and bit directions thereof and capable of selecting the two data buffers and controlling the input/output directions of the data buffer selected so as to be able to provide both word and bit accesses. The memory system includes a word-direction read inhibit mask means to inhibit mask reading on given memories existing in a word direction in a memory array, word-direction write inhibit mask means to inhibit mask writing on the above memory and bit-direction inhibit mask means to inhibit mask reading or writing on the memories existing in a bit direction in the memory array. To be able to detect a given color code out of …
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 November 14, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 14, 2006.
- 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.