System for determining the angular spin position of an object spinning about an axis
CA 1338629 C · Owner: Hasrode B.V. · Inventors: Yff, Louis Simon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A system for determining the angular spin position of a second object (1) spinning about an axis. A first object (7) emits electromagnetic waves. The second object (1) is provided with directional receiving antenna means (10) and with a receiving system (13) which, using the receiving antenna means (10) process in, combination the carrier waves received to obtain said angular spin position. The received signals comprise at least one polarised first carrier wave and a second carrier wave which comprises phase information of the first carrier wave.
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.
Why it's free to use
- Granted October 1, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2013.
- 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.