Robot arm member relative movement sensing apparatus
CA 1237180 A · Owner: Polaroid Corporation · Inventors: Khusro, Mohammed M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for determing when a gripper or hand resiliently mounted on a robot arm by a set of compliant springs, strikes or makes contact with an object that impedes or limits hand movement. The apparatus includes a light source, preferably mounted in a particular location on the robot arm hand and a light sensitive device cooperatively mounted in a particular location on the robot arm body, a device that is capable of continuously generating hand-to-robot arm body relative position signals in response to the position of optically focused light from the light source impinging on the light sensitive device. Relative movement between the robot arm body and the robot hand normally resulting …
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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 May 24, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 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.
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.