OPTICAL DISTANCE MEASUREMENT BY TRIANGULATION OF AN ACTIVE TRANSPONDER

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20090279107A1
SERIAL NO

12435499

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Methods and devices for calculating the position of a movable device are disclosed. A console and movable device may include light detector(s) and light sources. A light source of the console may emit light that is detected by light detector(s) of the movable device. The moveable device may respond by emitting light synchronous with the received light. The console may calculate the position of the movable device by calculating the time for the light emitted from the movable device to strike the light detector(s) of the console. The rotation of the movable device may be calculated using multiple light sources and/or multiple light detector(s). The movable device may calculate its position and transmit it to a console. Multiple light sources may be distinguished using encoding or modulation of time and/or frequency. The roles of the light detectors(s) and light sources may be switched.

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Patent Owner(s)

Patent OwnerAddress
ANALOG DEVICES INCONE ANALOG WAY WILMINGTON MA 01887

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
DELIWALA, Shrenik Andover , US 119 1337

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