Electronic measuring tape

Details Electronic measuring tape Electronic measuring tape

2007-06-27

2008-11-18

Fulton, Christopher W (Department: 2841)

Geometrical instruments

Distance measuring

By flexible tape

C033S756000, C033S767000

Reexamination Certificate

active

07451552

ABSTRACT:
An electronic measuring tape that includes a roller onto which the measuring tape is arranged to be wound up onto and wound out from through the roller being rotated, a first end of the measuring tape is attached in the roller, and where the roller is located inside a housing. A rolled up measuring tape is arranged in loops on the roller. All loops are in direct contact with the surface of the roller, an angle sensor is arranged at the roller to record an angle of rotation during rotation of the roller. An electronic circuit converts the angle of rotation into a length that corresponds to the length by which the measuring tape has been withdrawn from the housing, and the measuring tape records absolute values.

REFERENCES:
patent: 3170240 (1965-02-01), Collins
patent: 4037326 (1977-07-01), Booth et al.
patent: 4532709 (1985-08-01), Leumann et al.
patent: 4587738 (1986-05-01), Kang
patent: 5774999 (1998-07-01), Smith
patent: 6154975 (2000-12-01), Steinich
patent: 6234061 (2001-05-01), Glasson
patent: 6658755 (2003-12-01), Arlinsky
patent: 6868620 (2005-03-01), Sanoner
patent: 7197974 (2007-04-01), Glasson
patent: 2006/0025706 (2006-02-01), Chen

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