System and method for testing motion sensor

Patent metadata

Field	Value
Publication number	US-2018059227-A1
Application number	US-201615377930-A
Country	US
Kind code	A1
Filing date	Dec 13, 2016
Priority date	Aug 31, 2016
Publication date	Mar 1, 2018
Grant date	—

Abstract

The instant disclosure provides a system and method for testing a motion sensor. The motion sensor includes a light-emitting unit and an optical sensing unit. The system includes a detection beam generation module, a control module and a processor module. The detection beam generation module is disposed above the motion sensor for intermittently projecting a detection beam onto the optical sensing unit. The control module is electrically connected to the detection beam generation module for controlling the schedule of the testing light. The processor module is electrically connected to the optical sensing unit for generating a testing result according to the detection beam received by the optical sensing unit.

First claim

What is claimed is:

1 . A motion sensor testing system for detecting a motion sensor, the motion sensor comprises a light-emitting unit and an optical sensor unit, the motion sensor testing system comprising:
a detection beam generation module disposed above the motion sensor, wherein the detection beam generation module intermittently projects a detection beam onto the optical sensor unit; a control module electrically connected to the detection beam generation module for controlling the detection beam generation module to intermittently project the detection beam onto the optical sensor module; and a processor module electrically connected to the optical sensor unit, wherein the processor module generates a detection result according to the detection beam received by the optical sensor unit; wherein the detection beam generation module comprises a plurality of first direction detection beam generators arranged along a first direction, a plurality of second direction detection beam generators arranged along a second direction, a plurality of third direction detection beam generators arranged along a third direction and a plurality of fourth direction detection beam generators arranged along a fourth direction, the first direction and the second direction being opposite to each other, the third direction and the fourth direction being opposite to each other, and the first direction and the second direction being perpendicular to the third direction and the fourth direction; wherein the first direction detection beam generators, the second direction detection beam generators, the third direction detection beam generators and the fourth direction beam generators intermittently project a first detection beam, a second detection beam, a third detection beam and a fourth detection beam onto the optical sensor unit respectively.

2 . The motion sensor testing system according to claim 1 , wherein the control module is configured to control a schedule of the first direction detection beam generators, the second direction detection beam generators, the third direction detection beam generators and the fourth direction detection beam generators for projecting the first detection beam, the second detection beam, the third detection beam and the fourth detection beam onto the optical sensor unit respectively.

3 . The motion sensor testing system according to claim 1 , wherein the light-emitting unit is an infrared light-emitting diode, and the first direction detection beam generators, the second direction detection beam generators, the third direction detection generator and the fourth direction detection beam generators are infrared light-emitting components.

4 . The motion sensor testing system according to claim 1 , wherein the control module electrically connects to the detection beam generation module for controlling an intensity of the detection beam.

5 . A method for testing a motion sensor, comprising the following steps:
(a) disposing a motion sensor comprising a light-emitting unit and an optical sensor unit under a detection beam generation module; (b) intermittently projecting a detection beam onto the optical sensor unit by the detection beam generation module; (c) controlling a schedule of the detection beam generation module to intermittently project the detection beam onto the optical sensor unit by a control unit electrically connected to the detection beam generation module; and (d) generating a detection result based on the detection beam received by the optical sensor unit by a processor unit electrically connected to the optical sensor unit; wherein the detection beam generation module comprises a plurality of first direction detection beam generators arranged along a first direction, a plurality of second direction detection beam generators arranged along a second direction, a plurality of third direction detection beam generators arranged along a third direction and a plurality of fourth direction detection beam generators arranged along a fourth direction, the first direction and the second direction being opposite to each other, the third direction and the fourth direction being opposite to each other, and the first direction and the second direction being perpendicular to the third direction and the fourth direction; wherein the first direction detection beam generators, the second direction detection beam generators, the third direction detection beam generators and the fourth direction beam generators intermittently project a first detection beam, a second detection beam, a third detection beam and a fourth detection beam onto the optical sensor unit respectively.

6 . The method according to claim 5 , wherein the control module controls a schedule of the first direction detection beam generators, the second direction detection beam generators, the third direction detection beam generators and the fourth direction detection beam generators for projecting the first detection beam, the second detection beam, the third detection beam and the fourth detection beam onto the optical sensor unit respectively.

7 . The method according to claim 5 , wherein the control module is electrically connected to the detection beam generation module for controlling an intensity of the detection beam.

Assignees

• Lite On Singapore Pte Ltd

Inventors

• Tan Soon Lee
• Wang Fei
• Lee Chee Wen
• Gopalaswamy Arakcre Dinesh

Classifications

• G01S7/497 Primary

  Means for monitoring or calibrating · CPC title

• G01D18/00 Primary

  Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00 · CPC title