High voltage generator arrangement
CA 1048666 A · Owner: N. V. Optische Industrie "De Oude Delft" · Inventors: Rooij, Frits
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
High voltage arrangement for an image intensifier with automatic brightness control, comprising a transistor oscillator including a transformer having a feedback winding, a voltage multiplier connected to the transformer and a control circuit, the control circuit including an auxiliary winding of said transformer connected in series with said feedback winding, and a control transistor connected as current source, the control transistor having its collector-emitter circuit connected through one or more diodes to said auxiliary winding.
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 February 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 1996.
- 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.