Gridded electron power tube
CA 1204512 A · Owner: Varian Associates, Inc. · Inventors: Preist, Donald H.; Shrader, Merrald B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An efficient relatively high-power inductive output linear electron beam tube with broad-band capabilities is disclosed which is density modulated with a grid applying to the beam an RF modulating signal. The grid has a large active area and is comprised of a plurality of curved thin narrow elongated members. The beam is accelerated by DC potential of at least several kilovolts and a high-isolation input signal component includes adjacent but physically and electrically isolated wide-diameter,axially reduced annular cathode and grid lead components for leading both the DC beam-accelerating potential into the cathode and the modulating RF, signal into the grid with minimal impedance. Density …
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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 May 13, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 13, 2003.
- 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.