Patent Yard Sign in
Expired Canadian patentCanada

Moving video image estimation system

CA 2035304 C · Owner: Naoi, Satoshi · Inventors: Toriu, Takashi; Naoi, Satoshi

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A moving video image estimation system is provided, in which, when a video image occurring at an arbitrary time t between time n and time n + 1 or at an arbitrary time t after time n + 1 is produced for time series video images given at discrete times 1 2, ... n, n + 1, ... even if the position and shape of an object in the video image are considerably changed between the frames, the video image of the object in the original frame can be prevented from being reproduced doubly in the interpolated video image. Based on an original video image of time n and time n + 1, the centroid, the principal axis of inertia, the moment about the principal axis of inertia and the moment about the axis …

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

  • Filed January 30, 1991 and granted October 15, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 30, 2011.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 30, 2013.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 30, 1991
GrantedOctober 15, 1996
Term endedJanuary 30, 2011
Patent numberCA 2035304 C
Classification (IPC)G06F17/17 +2 more

Timeline

Timeline From CIPO dates

1992199419961998200020022004200620082010Application filedJan 30, 1991Patent grantedOct 15, 1996Term endedJan 30, 2011

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.