Client assisted location data acquisition scheme
CA 2621133 C · Owner: Toshiba America Research, Inc. · Inventors: Kim, Byungsuk; Anjum, Farooq; Pandey, Santosh
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method for locating a wireless client using trusted wireless detectors is described. Sniffers may sense signal strength information and transmit the information to a database. The database may store signal strengthbased location information. Information from the database may then be used to determine the location of a wireless client based on new signal strength information from one or more sniffers.
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 September 1, 2006 and granted February 2, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 1, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.