Zero-current switching dc to dc full-wasve mode converter
CA 1297532 C · Owner: Lieberman, Lev (Arie) · Inventors: Lieberman, Lev (Arie)
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A zero-current switching DC to DC fullwave mode converter, having a controllable DC to AC converter including electronic switches for selectively coupling a source of voltage across a primary winding of a power transformer circuit when the current flow through the switches is substantially negligible AC, to DC converter connected to secondary windings of the power transformer circuit, two charging and energy storing circuits each including a storage capacitor connected in series with one of the secondary windings and further including an inductor unit connected in circuit between the input of the DC to AC converter and the storage capacitor and at least one discharging circuit connected …
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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 March 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 2009.
- 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.