Low cost battery charging systems
CA 2311360 A1 · Owner: Hoeber, Christopher F. · Inventors: Hoeber, Christopher F.; Canter, Stanley; Mendelsohn, Aaron J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A battery charging system that may advantageously be used to directly charge a battery of a spacecraft, for example. The battery charging system permits charging of, battery without the use of power conditioners or dedicated charging arrays. Primary, and secondary solar array strings are coupled by way of a shunt regulator circuit to a, power bus, such as a power bus of the spacecraft. A shunt regulator circuit is coupled, to the secondary solar array string and to the power bus. Charge control relays are, coupled between the secondary solar array string and the battery. A computer is, coupled to the shunt regulator circuit and to the charge control relays. Current from 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
- Filed June 13, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 13, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 13, 2022.
- 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.