Electricity: motive power systems – Positional servo systems – With particular 'error-detecting' means
Reexamination Certificate
2005-08-23
2005-08-23
Masih, Karen (Department: 2837)
Electricity: motive power systems
Positional servo systems
With particular 'error-detecting' means
C318S560000
Reexamination Certificate
active
06933700
ABSTRACT:
A positioning device that includes a pivotable shaft and a pivot drive mechanism, which has a stator and a rotor that moves relative to the stator. A position measuring arrangement includes a first element and a second element that moves in relation to the first element, wherein the rotor and the first element are connected, fixed against relative rotation, with the shaft. The positioning device further includes a bearing unit, wherein, starting at one end of the shaft, first the first element, then the bearing unit, and thereafter the rotor are arranged along the shaft.
REFERENCES:
patent: 5796542 (1998-08-01), Szeremeta
patent: 2002/0088508 (2002-07-01), Holzil et al.
patent: 2003/0052667 (2003-03-01), Schwabe
patent: 0 978 708 (2000-02-01), None
patent: 2000217311 (2000-08-01), None
Patent Abstracts of Japan publication regarding Japanese Publication 2000217311 A, published Aug. 4, published by Japanese Patent Office, 2000, one page.
Uematsu, Y. et al., “Servo Track Writing Technology,” Fujitsu Sci. Tech. J., vol. 37, No. 2, Dec. 2001, pp. 220-226.
Höfer Volker
Lahr Johann
Brinks Hofer Gilson & Lione
Dr. Johannes Heidenhain GmbH
Masih Karen
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