Clockless serial data transfer
CA 1098215 A · Owner: Honeywell Information Systems Inc. · Inventors: Eachus, Joseph J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and apparatus are disclosed for the serial transfer of data in a clockless manner. Data is transmitted in the form of signal state changes from a dispatcher to a receptor. The receptor is operative to translate the signal state changes into data and thereafter signal the data dispatcher that it has done so. The dispatcher is operative to transmit the next piece of data only after it has been appropriately signalled by the receptor. In accordance with another aspect of the invention the dispatcher is capable of notifying the receptor when an end to the transmittal of data has occurred. The data receptor does not signal the dispatcher for further data when this occurs. The receptor …
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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 March 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 1998.
- 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.