GOLDSTEIN, LEE,SHAKA, JUSTIN,WINSOR, ROBERT,YING, HOWARD
申请号：
CA2971330
公开号：
CA2971330A1
申请日:
2017.01.12
申请国别(地区):
CA
年份:
2017
代理人:
摘要：
A device can include a body having a top surface, an opposing bottom surface,a first face and anopposing second face. The first face can have an opening therein. A lightsource can be positioned within thebody. The light source can be configured to create a beam of polarized light.At least a portion of the beam ofpolarized light can be directed outside of the body through the opening in thefront face. At least one polarizationsensitive detector can be positioned within the body. At least one light canbe positioned on or in the first face.At least one target can be configured to be visible through the opening in thefront face of the device. The lightsand the target can be configured to illuminate in a predetermined manner orpattern.
