Partial response channel signaling systems
CA 1306543 C · Owner: Motorola, Inc. · Inventors: Eyuboglu, Vedat M.; Forney, G. David, Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Partial Response Channel Signaling Systems Abstract of the Disclosure, Apparatus for generating a (running digital sum) sequence of digital signals XX and/or a (partial response coded) sequence of digital signals yk k = 1, 2, ... such that Yk = XK + xK-L L an integer, in which the yk signals are a sequence in a given modulation code, In one aspect, the signals Yk are chosen to be congruent to coset representatives specified in accordance with a modulation code a, plurality of code constellations are used and at least, one constellation includes both a point with a positive sum of coordinates and one with a negative sum of coordinates. In another aspect, the signals xk are chosen to be …
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 August 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 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.