Device and method for electronically measuring distances

Details Device and method for electronically measuring distances Device and method for electronically measuring distances

1995-11-29

1998-04-21

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 513, G01C 308

Patent

active

057423792

ABSTRACT:
A device and method of electronically obtaining range or distances from the device to the target utilizing a central processing unit (CPU) in combination with a pulse repetition frequency generator, a plurality of photodetectors and a transistor to transistor clock counter, in a lightweight and portable configuration. The device obtains a plurality of samples, which enables the CPU to determine filter delay, range resolution and count deviations so as to accurately determine range or distance measurement to within plus or minus one centimeter.

REFERENCES:
patent: 4274736 (1981-06-01), Balmer
patent: 4297030 (1981-10-01), Chaborski
patent: 4403857 (1983-09-01), Holscher
patent: 4620788 (1986-11-01), Giger
patent: 4768877 (1988-09-01), Torregosa et al.
patent: 4942561 (1990-07-01), Ohishi et al.
patent: 5002388 (1991-03-01), Ohishi et al.
patent: 5241360 (1993-08-01), Key et al.

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