Absolute value scale and absolute value calculating method

Details Absolute value scale and absolute value calculating method Absolute value scale and absolute value calculating method

2008-02-22

2010-02-02

Fulton, Christopher W (Department: 2841)

Geometrical instruments

Distance measuring

Scale reading position sensor

Reexamination Certificate

active

07654009

ABSTRACT:
A rotary absolute value scale includes a rotor in which two rotor side coil patterns provided with different pitches are laminated, and a stator in which two stator side coil patterns provided with different pitches are also laminated. A linear absolute value scale includes a slider in which two slider side coil patterns provided with different pitches are laminated, and a scale in which two scale side coil patterns provided with different pitches are also laminated.

REFERENCES:
patent: 4697144 (1987-09-01), Howbrook
patent: 4764767 (1988-08-01), Ichikawa et al.
patent: 5551158 (1996-09-01), Tyren et al.
patent: 6271661 (2001-08-01), Andermo et al.
patent: 6928386 (2005-08-01), Hasser
patent: 2002/0011838 (2002-01-01), Miyata et al.
patent: 2009/0015248 (2009-01-01), Moura et al.
patent: 2009/0039859 (2009-02-01), Shoji
patent: 2009/0039874 (2009-02-01), Kreit et al.
patent: 06-186053 (1994-07-01), None
patent: 06-241832 (1994-09-01), None
patent: 10-079619 (1998-03-01), None
patent: 11-083545 (1999-03-01), None
patent: 1429240 (1987-01-01), None
patent: 1511822 (1988-01-01), None
patent: 1784836 (1990-03-01), None

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