Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate
2008-06-24
2008-06-24
Monbleau, Davienne (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
C250S231130, C250S231170, C341S015000, C033S0010DD, C033S0010PT
Reexamination Certificate
active
07391009
ABSTRACT:
An angle-measuring system comprising at least one transmitter provided with a number of complementary signal-generating elements disposed in pairs and creating a pattern of signals. The elements create a reference mark irregularly configured at least at one spot. A device for acquiring the signals and an evaluation unit are also part of the angle-measuring system. The device is provided with at least one first sensor and one second sensor.
REFERENCES:
patent: 4369405 (1983-01-01), Sato et al.
patent: 4785241 (1988-11-01), Abiko et al.
patent: 5043660 (1991-08-01), Hasegawa
patent: 5430373 (1995-07-01), Ichikawa et al.
patent: 5491632 (1996-02-01), Pawlak et al.
patent: 5568048 (1996-10-01), Schroeder et al.
patent: 5774074 (1998-06-01), Cooper et al.
patent: 5965825 (1999-10-01), Nitecki
patent: 6410910 (2002-06-01), Feichtinger
patent: 6847309 (2005-01-01), Andrieu
patent: 6854455 (2005-02-01), Lingener
patent: 2004/0007663 (2004-01-01), Steinlechner et al.
patent: 2004/0012793 (2004-01-01), Schubert
Carl Freudenberg KG
Harness & Dickey & Pierce P.L.C.
Monbleau Davienne
LandOfFree
Angle-measuring system having irregular reference mark that... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Angle-measuring system having irregular reference mark that..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Angle-measuring system having irregular reference mark that... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2814608