Guidance system
CA 1238103 A · Owner: Hitachi, Ltd. · Inventors: Kamejima, Kohji; Ogawa, Yuriko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A guidance system is described in which a mobile object, such as a robot, is guided along a path within a predetermined environment. It comprises first memory means to store prediction patterns of objects within the environment, second memory means to store an extraction sequence of the prediction patterns of the objects stored in said first memory means, a control device which compares for matching the prediction pattern obtained from said first and second memory means and a feature pattern obtained from an observed image, on the basis of positional information of the mobile object, and which delivers a guidance signal to the mobile object so as to diminish a difference between both the …
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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 June 14, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 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.
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.