Data processor having module access control
CA 1235821 A · Owner: Motorola, Inc. · Inventors: Zolnowsky, John; Macgregor, Douglas B.; Cruess, Michael
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 data processor (12) cooperates with an access controller (14) to control access to a module stored in a storage device (20). In response to receiving an instruction which requests access to the module and specifies an address within the storage device (20) containing an access request the data, processor (12) retrieves the access request and provides the access request to the access controller (14). The data processor (12) will then initiate the requested access. However the access will be faulted if the access controller (14) decides to deny the access request.
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 April 26, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 26, 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.