Navigation and tracking system
CA 1314964 C · Owner: Lynxvale Limited · Inventors: Duffett-Smith, Peter James
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a navigation and tracking system, for monitoring the movement of a roving object which carries one of a pair of receiving stations (D,E) the other receiving station being at a known position. Signals are transmitted by a number of independent transmission sources (A,B,C) equal at least to the number of dimensions in which movement is to be monitored. A link (F) passes a representation of the signal or signals received at one of the receiving stations (E) to the other receiving station (D) and means (R,S,T,U) at the other receiving station compares the signal representations and determines the phase difference or time delay between the received signals and hence the …
Read the whole patent
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 March 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 23, 2010.
- 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.