Invention Grant
- Patent Title: Human activity monitoring device
- Patent Title (中): 人体活动监测装置
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Application No.: US12694135Application Date: 2010-01-26
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Publication No.: US07881902B1Publication Date: 2011-02-01
- Inventor: Philippe Kahn , Arthur Kinsolving , Mark Andrew Christensen , Brian Y. Lee , David Vogel
- Applicant: Philippe Kahn , Arthur Kinsolving , Mark Andrew Christensen , Brian Y. Lee , David Vogel
- Applicant Address: US CA Scotts Valley
- Assignee: DP Technologies, Inc.
- Current Assignee: DP Technologies, Inc.
- Current Assignee Address: US CA Scotts Valley
- Agency: Blakely, Sokoloff, Taylor & Zafman, LLP
- Agent Judith A. Szepesi
- Main IPC: G01C22/00
- IPC: G01C22/00 ; G06F19/00

Abstract:
A method for monitoring human activity using an inertial sensor includes continuously determining an orientation of the inertial sensor, assigning a dominant axis, updating the dominant axis as the orientation of the inertial sensor changes, and counting periodic human motions by monitoring accelerations relative to the dominant axis.
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