The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 30, 2021
Filed:
Aug. 29, 2019
Koninklijke Philips N.v., Eindhoven, NL;
Peter Petrus Van Liesdonk, Eindhoven, NL;
Meilof Geert Veeningen, Eindhoven, NL;
Supriyo Chatterjea, Eindhoven, NL;
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
Some embodiments are directed to location-tracking system () comprising a location database () configured to receive a plurality of location updates from a plurality of tracking devices (), the plurality of location updates indicating the location of one or more objects, the location updates being stored encrypted with a cryptographic database encryption-key (), multiple location-analysis devices execute a multi-party computation protocol on the encrypted location updates using a stored key-share, thus jointly computing a location-analysis result secret-shared among the multiple location analysis devices.