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Expired Canadian patentCanada

Method for telemanipulation with telepresence

CA 2189775 C · Owner: Green, Philip S. · Inventors: Green, Philip S.

CIPO record

Overview

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

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Abstract From the Canadian patent

In a telemanipulation system (12) for manipulating objects located in a workspace at a remote worksite by an operator (14) such as in, a remote surgical system, the remote worksite having a manipulator with an end effector (39) for manipulating an object at the workspace a controller including a hand control (22) at the operator's station for remote control of the manipulator an image capture device (19), and, image output device (20) for reproducing a viewable real-time image the improvement wherein a position sensor associated with the image capture device (19) senses position relative to the end effector (39) and a processor (23) transforms the viewable real-time image into a perspective …

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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

  • Filed May 3, 1995 and granted July 11, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 3, 2015.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 3, 2017.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 3, 1995
GrantedJuly 11, 2000
Term endedMay 3, 2015
Patent numberCA 2189775 C
Classification (IPC)G06K9/00 +2 more

Timeline

Timeline From CIPO dates

1996199820002002200420062008201020122014Application filedMay 3, 1995Patent grantedJuly 11, 2000Term endedMay 3, 2015

Sources & verification

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