Trouble sensing device

Details Trouble sensing device Trouble sensing device

2008-07-22

2008-07-22

Lau, Tung S (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

Reexamination Certificate

active

07403870

ABSTRACT:
A trouble sensing device has a first unit and a second unit. The first unit determines a total sum of driving current of two or more of a plurality of driving mechanisms that are turned on. The second unit judges whether trouble has arisen based on the total sum of the driving current.

REFERENCES:
patent: 4994986 (1991-02-01), Cihiwsky et al.
patent: 11-101546 (1999-04-01), None
patent: 2001-228056 (2001-08-01), None
patent: A 2001-228056 (2001-08-01), None
patent: A 2003-228419 (2003-08-01), None

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