Laser optical measuring apparatus

Details Laser optical measuring apparatus Laser optical measuring apparatus

1997-10-16

1999-07-27

Bennett, G. Bradley

Geometrical instruments

Miscellaneous

Light direction

33784, 33DIG21, 364562, G01B 702, G01B 1102

Patent

active

RE0362573

ABSTRACT:
A real estate electro tape is provided that measures the length of an interior or exterior wall or other similar structure using optical means. A sonic tape is used to measure the perpendicular distance from the device to the interior or exterior wall. Two steerable lasers are then used to determine the angles between the perpendicular and the beams aimed at the wall edges. An algorithm is applied to the angular and perpendicular distance data to obtain the length of the wall. A microprocessor performs the calculations, the results of which are displayed on an electro optical display.

REFERENCES:
patent: 2388197 (1945-10-01), Wallis
patent: 2548590 (1951-04-01), Cook
patent: 3590704 (1971-07-01), Endo
patent: 3897637 (1975-08-01), Genho
patent: 3908281 (1975-09-01), Fox
patent: 4586150 (1986-04-01), Budziak et al.
patent: 5287627 (1994-02-01), Rando

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