Remotely-controlled vehicle
CA 1269416 C · Owner: Kramer, Dale C. · Inventors: Kramer, Dale C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A remotely-controlled vehicle preferably, configured as a golf cart is controlled by two independent driving motors operably connected each to one of the wheels. Signals for operation of the motors are generated by an infra-red signal detecting device which detects infra-red signals from a remote source being followed by the vehicle. The infra-red signal detecting device includes two detectors which detect the source to the sides of the vehicle and turn the device in that direction by applying a differential speed to the wheels. The infra-red detecting device also includes two detectors which detect the source forwardly of the device at one of three different locations in response to which …
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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 22, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 2007.
- 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.