Network based multiple sensor device
CA 2332858 A1 · Owner: Porter, James A. · Inventors: Porter, James A.; Bonasia, Gaetano; Eckel, David P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multifunction sensor device (10) which provides various transducer functions including means for performing temperature sensing ambient light sensing, motion detection switching functions and a means (30) to put the device in an on, off or auto mode. The device has utility in environments such as that found in offices, schools, homes, industrial plants or any other type of automated facility in which sensors are utilized for energy monitoring and control, end user convenience or HVAC control. Key elements of the invention include overcoming the difficulty of mounting diverse sensors or tranducers within the same device or housing (14); permitting these various sensors to exist in …
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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
- Filed May 13, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 13, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 13, 2021.
- 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.