Digital data interface unit
CA 1305230 C · Owner: Hughes Aircraft Company · Inventors: Rice, Thomas B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An interface apparatus and method is disclosed which allows communication of digital data messages between a first type of data terminals (30) employing a message protocol (FIG. la) with a "free text-type" message, and other user devices (65) employing other digital message protocols. The invention is operable to exploit the free text message capability of the first protocol. In accordance with the invention the, incoming user data messages are packed into one or more free text messages of the first message protocol and, conversely "unpack" free text messages from the data terminal employing the first protocol are unpacked and formatted into the message protocol format employed by the user …
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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 July 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 2009.
- 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.