Self-calibrating precision timing circuit and method for a laser

Details Self-calibrating precision timing circuit and method for a laser Self-calibrating precision timing circuit and method for a laser

1999-01-21

2000-05-02

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 501, 356 28, 342203, G01C 308, G01P 336, G01S 1300

Patent

active

060579102

ABSTRACT:
A highly precise range measurement instrument is made possible through the use of a novel and efficient precision timing circuit which makes use of the instrument's internal central processing unit crystal oscillator. A multi-point calibration function includes the determination of a "zero" value and a "cal" value through the addition of a known calibrated pulse width thereby providing the origin and scale for determining distance with the constant linear discharge of capacitor.

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