Electronic distance measuring apparatus

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Reexamination Certificate

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Details

C367S128000

Reexamination Certificate

active

11570124

ABSTRACT:
A portable and convenient electronic distance measuring apparatus using a laser beam and a supersonic wave is provided. A predetermined height is measured using a supersonic sensor and a laser pointer is rotated at the predetermined height to radiate a laser beam at a target object so that a distance to a target object at which that laser beam is pointing can be accurately measured using a resistance value corresponding to a rotation angle of the laser pointer

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patent: WO 2005124389 (2005-12-01), None

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