Rotary disc for encoder

Details Rotary disc for encoder Rotary disc for encoder

2005-05-31

2005-05-31

Fulton, Christopher W. (Department: 2859)

Geometrical instruments

Miscellaneous

Light direction

Reexamination Certificate

active

06898859

ABSTRACT:
A rotary disc for use in a rotary encoder includes a signal generation section having a pattern formed thereon to generate a signal indicative of a rotational angle/phase. The signal generation section has a peripheral surface, which is provided with a linear portion usable as an indicator indicative of the rotational angle/phase represented by the signal generation pattern on the signal generation section. A robot hand is employed to hold the linear portion and attach it through an attachment portion of the rotary disc to a rotor shaft of a motor.

REFERENCES:
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patent: 4944650 (1990-07-01), Matsumoto
patent: 5938902 (1999-08-01), Nguyen et al.
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patent: 6530157 (2003-03-01), Henderson et al.
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patent: 63-240358 (1988-10-01), None
patent: 11-14404 (1999-01-01), None
patent: 11-014404 (1999-01-01), None
European Search Report dated Feb. 2, 2004 for corresponding EP Application No. 03256618.
Notice of Reasons for Rejection for Corresponding Japanese Application 2002-308122 mailed Dec. 7, 2004.

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