Pulse delay measurement apparatus

Details Pulse delay measurement apparatus Pulse delay measurement apparatus

1983-04-26

1986-10-07

Buczinski, S. C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

342174, 342135, G01C 308

Patent

active

046156178

ABSTRACT:
An apparatus for measuring the delay time interval between electrical pulse signals, particularly in conjunction with electrooptical range finders. A coarse measuring counter counts clock pulses from a quartz oscillator during the interval and a fine measuring interpolator determines the residual time from the end of the interval to the next clock pulse. Residual time at the start of the measuring interval is avoided by exactly synchronizating the start of measurement with a timing pulse front (n+2) of the quartz oscillator.

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1973 Wescon Technical Papers, vol. 17, pp. 1-5, article by F. Rode, "The Central Processor Unit (CPU) an Integral Part of Measuring Instruments".

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