System and method for providing a display utilizing a fast photon indicator
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United States of America Patent
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Sep 26, 2006
Grant Date -
Jul 27, 2006
app pub date -
Jan 21, 2005
filing date -
Jan 21, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A measuring gauge includes a rotatable LED pointer having a light output. As the pointer is rotated about a lens at a constant rate, the output of the LED pointer appears as an arc of light to a user. The arc of light represents a quantity of a desired display unit. A brushless motor and a rotary transformer are magnetically coupled to the LED pointer. A high speed controller is coupled to the motor and the rotary transformer. The controller receives an indication of the quantity and is responsively programmed to actuate the rotary transformer in order to illuminate the LED pointer as it rotates radially about a face of a graduated lens at a substantially constant speed and to activate and deactivate the LED pointer so as to adjust the length of the arc of light and thereby to indicate the quantity of the desired display unit to the user.
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