Geometrical instruments – Miscellaneous – Light direction
Reexamination Certificate
2006-09-19
2008-12-02
Guadalupe-McCall, Yaritza (Department: 2841)
Geometrical instruments
Miscellaneous
Light direction
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.
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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
Perret Fabien
Salagnac Laurent
Carl Freudenberg KG
Guadalupe-McCall Yaritza
Harness Dickey & Pierce PLC
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