Angle measurement device

Geometrical instruments – Miscellaneous – Light direction

Reexamination Certificate

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Details

C033S0010DD

Reexamination Certificate

active

07458164

ABSTRACT:
An angle measuring device comprising a rotating device which includes a signal-generating regular element, at least one signal-generating irregular element, and at least one sensor for acquiring the signals. The irregular element has a double extension compared to the regular element.

REFERENCES:
patent: 5359434 (1994-10-01), Nakao et al.
patent: 5774074 (1998-06-01), Cooper et al.
patent: 5965825 (1999-10-01), Nitecki
patent: 6438860 (2002-08-01), Glimm
patent: 6847309 (2005-01-01), Andrieu
patent: 6854455 (2005-02-01), Lingener
patent: 7391009 (2008-06-01), Feurer

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