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Expired Canadian patentCanada

Method and apparatus providing tactile feedback to operators of remotely controlled manipulators

CA 1235787 A · Owner: Deep Ocean Engineering, Incorporated · Inventors: Hawkes, Graham S.

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Abstract From the Canadian patent

METHOD AND APPARATUS PROVIDING TACTILE FEEDBACK TO OPERATORS OF REMOTELY CONTROLLED MANIPULATORS by, GRAHAM S. HAWKES, An apparatus and method is disclosed for providing tactile feedback information to the operator of a remotely operated manipulator assembly (1) such as a robot, arm (2), by mechanically coupling a vibration sensitive transducer (5, 19) to said assembly (1) and audibly reproducing (7, 8, 20) the transducer output for operator listening. The use of an accelerometer (19) as a vibration sensitive transducer (5, 19) is disclosed as well as techniques for cancelling environmental noise.

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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 April 26, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 26, 2005.
  • 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 9, 1984
GrantedApril 26, 1988
Term endedApril 26, 2005
Patent numberCA 1235787 A
Classification (IPC)B25J19/00 +1 more

Timeline

Timeline From CIPO dates

1985198819911994199720002003Application filedMay 9, 1984Patent grantedApril 26, 1988Term endedApril 26, 2005

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