Electricity: motive power systems – Motor-reversing – Automatic and/or with time-delay means
Reexamination Certificate
2006-02-21
2006-02-21
Masih, Karen (Department: 2837)
Electricity: motive power systems
Motor-reversing
Automatic and/or with time-delay means
C318S468000, C318S466000
Reexamination Certificate
active
07002309
ABSTRACT:
A power window driving apparatus includes a reference current generator generating a reference current. The reference current generator includes a first current generator generating a first current, a first comparison signal, and a second comparison signal, a reference voltage generator generating a reference voltage signal, and a second current generator generating a second current. The power window driving apparatus includes a comparator which includes the first comparison signal with the reference voltage signal, a driving controller which stops or reverses the driving motor when a drastic increase is occur in the motor current based on a result of a comparison by the comparator, and a current increaser which increases an amount of the second current when the motor current is drastically decreased from a steady state, so that an increase in the first current is suppressed when the motor current is shifted from the drastically decrease to an increase.
REFERENCES:
patent: 4780619 (1988-10-01), Campbell et al.
patent: 2003/0160510 (2003-08-01), Mizutani et al.
patent: 10-25964 (1998-01-01), None
patent: 2002-89132 (2002-03-01), None
patent: 2002-96632 (2002-04-01), None
patent: 2002-295129 (2002-10-01), None
Masih Karen
Yazaki -Corporation
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