System and method for environmental monitoring and energy control
CA 2363217 A1 · Owner: Campbell, Ian C. · Inventors: Campbell, Ian C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An environmental monitoring and control system for regulating the environmental conditions of an indoor environment. The system comprises a local area network of Universal Detector-Controllers (UDCs) each UDC device, comprising a plurality of environmental monitoring sensors for measuring indoor, air composition and characteristics and a microprocessor for acquiring the sensor measurement data, for recording the measurement data on a datalogger and for controlling actuators (such as a gas shut-off valve) if required. Over a, telecommunications network, a remote computer systems both monitors sensor measurement data and provides to each of the UDCs in the series a set of, customized …
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
- Filed November 22, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 22, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 22, 2023.
- 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.