公开(公告)号：US10365127B2

公开(公告)日：2019-07-30

申请号：US14900297

申请日：2014-06-18

Applicant: SIGNIFY HOLDING B.V.

Inventor： Maulin Dahyabhai Patel ,  Vikrant Suhas Vaze ,  Saeed Reza Bagheri

IPC: G01D4/00 ,  G01D9/28 ,  G01D9/38 ,  G01R21/133 ,  G05B15/02

Abstract: System and methods for data logging are disclosed. The method comprising performing an initialization process, performing a data collection process in which data from a plurality of sensors is collected and time stamped, performing a time correction on the time-stamp data based on patterns of time and occupancy, performing an estimation of a light state based on the corrected time stamped data and determining an energy saving using an automatic light operation based on determined light state estimation.