Framing system
CA 1195007 A · Owner: Nec Corporation · Inventors: Hirosaki, Botaro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A framing system is disclosed which processes a digital signal having a clock period of T seconds and a frame of which is made up of an n-bit framing pattern and m-bit information, (n + m) bits long in total. This system is applicable to a situation in which the probability that a pattern common to the n-bit framing pattern appears in the m-bit information is very low. With attention paied to the special characteristics of a frame pattern, when a coincidence pulse is found at a position different from the present frame position inside a window, the frame information is immediately regarded as being lost at that instant and the system is caused into a hunting state to search a new frame …
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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 October 8, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 2002.
- 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.