Method for controlling buffer memory in data processing apparatus
CA 1233273 A · Owner: Fujitsu Limited · Inventors: Tanaka, Tsutomu; Koga, Satoru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a method for controlling a buffer memory in a data processing apparatus with a central processing unit which includes a buffer memory for storing a copy of the portion of a main memory. The method includes the steps of detecting first, a word, unit of a block up to which registration of a word has been completed in a process of registration of data from the main memory into a sequence of word units of the block. Then, as a second step, detecting the distance of the word of the address of writing of an operand in the block which is being registered into the block of the buffer memory from the main memory is carried out while detecting, thirdly, the completion of the …
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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
- Granted February 23, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 23, 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
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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.