Switching amplifier
CA 1186025 A · Owner: Bbc Brown, Boveri & Company, Limited · Inventors: Furrer, Andreas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The switching amplifier contains several amplifier stages (43),the output signals of which are summed up along a diodecascade (47) in order to generate an output sum signal having a high voltage. The transformers (21, 23) used for direct-current decoupling of the input from the output of the amplifier stages are connected on the primary side to an alternating voltage source (22) and on the secondary side to a rectifier circuit (27, 31, 35). The controlled switching element (39) is located between this rectifier circuit and the diode cascade. By means of this arrangement saturation of the transformers by direct-current pulses is prevented and each amplifier stage can be modulated to 100% by …
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 April 23, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 23, 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.