Cpu-1/0 bus interface for a data processing system
CA 1065061 A · Owner: Data General Corporation · Inventors: Hendrie, Gardner, C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed an input/output system employed, within a data processing system that includes a central processing unit (CPU). The CPU includes improved input/output shift register structure or interfacing means for interfacing with I/O means (bus structure). The I/O means includes improved CPU transceiver and peripheral device transceiver apparatus. The device transceiver interfaces with an improved device controller. In the preferred embodiment of the present invention the CPU, CPU trans-, ceiver, device transceiver and device controller, all being, constructed primarily from MOS technology are each contained, within a respective chip. Further features of the input/output system …
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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 October 23, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 23, 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.