Piezoelectric device for generating and storing electrical energy
CA 1185656 A · Owner: Brevetor S.A. · Inventors: Pegaz-Bechon, Rene
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
An electric current generator comprises a mechanical energy source (F), a mechano-electric converter (1) including a piezoelectric crystal (2) and a load circuit connected to the electrodes of this converter. The load circuit comprises in series a condenser (3) a rectifier, (4) and a point spark gap (5) a consumer circuit (7), being connected to the terminals of the condenser. The circuit permits the charging of a condenser of relatively large capacity to voltages sufficient for supplying for, example, a relatively complex electronic circuit or for, triggering a detonator.
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 April 16, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 2002.
- 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.