Wide dynamic range radio-frequency power sensor
CA 1296770 C · Owner: Hewlett-Packard Company · Inventors: Szente, Pedro A.; Riley, Russell B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of Disclosure, A wide dynamic range radio-frequency power sensor having a low-power sensor portion and a high-power sensor portion is described. Both sensing portions are connected to an input signal at the same time without the use of a signal splitter. In the preferred embodiment a single, radio-frequency load serves both sensor portions. Each sensor portion has its own output terminal. The low-power sensor portion comprises a pair of diodes. The high-power sensor portion (which includes the radio-frequency load) may comprise a pair of diodes preceded by an attenuator or a, pair of thermocouples.
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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 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.