Electronic rule for precise distance measurement and...

Details Electronic rule for precise distance measurement and... Electronic rule for precise distance measurement and...

G - Physics

01

C

354/21, 375/5, 3

G01C 3/06 (2006.01) G01B 3/00 (2006.01) G01B 11/02 (2006.01)

Patent

CA 1091439

ABSTRACT An instrument for precise measurement and setting of distances has an electronically controlled scale comprising optically active elements, an electron- ically controlled digital display, and a keyboard. The display and keyboard are mechanically rotatable and connected by electronic circuitry including a micro- processor. The light scale provides optical indicia, including a reference point and a cursor, having po- sitions which are determined by keyboard entries and are displayed numerically.

306058

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