Distance measuring device

Details Distance measuring device Distance measuring device

1998-04-28

2000-05-16

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

359199, 359213, G01C 308, G02B 2608

Patent

active

060644710

ABSTRACT:
A distance measuring device comprising a mirror for scanning an emitted laser beam, a swinging shaft around which the mirror is swung, a permanent magnet which swings along with the mirror, a core arranged at a predetermined space from the permanent magnet, a coil wound around the core, and a circuit for applying an alternating current to the coil is provided, whereby a structure for scanning the laser beam and a method of controlling the scanning can be simplified. Further a controlling performance can be improved, and miniaturization is possible.

REFERENCES:
patent: 4632543 (1986-12-01), Endo
patent: 4934781 (1990-06-01), Kato et al.
patent: 5699150 (1997-12-01), Katayama
patent: 5764398 (1998-06-01), Hayakawa

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