Data processing circuit operating on byte-by-byte basis
CA 1052472 A · Owner: Western Electric Company, Incorporated · Inventors: Moran, John C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A microprogammed processor which receives 16-bit words as input data from an I/O system breaks down each received word into four 4-bit bytes and, performs all logical and arithmetic operations on a byte-by-byte basis. The processed bytes may either be stored for further use or reconstituted into 16-bit words and outputted to the I/O system. The processor includes two source busses for applying information to an arithmetic unit (AMU), a destination bus for receiving the AMU output as well as circuits such as memories and registers for selectively applying AMU input information to the source busses and for receiving AMU output information from the destination bus. …
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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 April 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 1996.
- 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.