Function coding via digital addresses in a two-way system
CA 1137585 A · Owner: Motorola, Inc. · Inventors: Lockhart, Robert K. Jr.; Macko, William J.; Bass, Robert H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Increased efficiency in the use of a communications channel between a Control Unit and a multiplicity of terminal or satellite units by utilizing the combinations of the unit address code words and their complements as coded commands and automatically returned responses. At least one combination of the Control Unit address code words and word complements can be manually entered at any one of the satellite units to serve as a special response to one combination of the respective satellite address code words and word complements to cause a change of, function or operation at the Control Unit. The system may be coupled to a Host Computer and normally the information received by the Control …
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 December 14, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 14, 1999.
- 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.