Digital signal scrambler
CA 1259680 A · Owner: Anderson, Duane L. · Inventors: Anderson, Duane L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A digital signal scrambler for use in testing semiconductor memory circuits such as RAMs. The scrambler is comprised of look-up tables in conjunction with EXCLUSIVE OR logic circuitry for, receiving generated address and data signals and transmitting scrambled signals in response thereto conforming to the predefined topological scrambling function of the memory circuit being tested. The digital signal scrambler of the present invention is of simple and inexpensive design, is easy to use and typically occupies very little circuit board area.
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 September 19, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 19, 2006.
- 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.