Electricity: motive power systems – Automatic and/or with time-delay means – Responsive to thermal conditions
Reexamination Certificate
2007-09-17
2010-11-16
Benson, Walter (Department: 2837)
Electricity: motive power systems
Automatic and/or with time-delay means
Responsive to thermal conditions
C318S268000, C318S400010, C318S400210, C318S400220
Reexamination Certificate
active
07834571
ABSTRACT:
A protecting device of a fan system includes at least one first switch element and at least one control unit. The first switch element receives a first input signal. The control unit is electrically connected with the first switch element, receives the first input signal, and controls the first switch element to turn on or turn off according to the first input signal. The control unit stops outputting the first input signal when the first switch element turns on. The control unit outputs the first input signal when the first switch element turns off, so that a fan of the fan system can be driven by the first input signal.
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patent: 6357667 (2002-03-01), Young
patent: 6551065 (2003-04-01), Lee
patent: 6768624 (2004-07-01), Miermans
patent: 7091689 (2006-08-01), Lee
patent: 7242562 (2007-07-01), Lin et al.
Chiu Chin-Fa
Chiu Chun-Lung
Lin Yu-Hiuan
Tsai Ming-Shi
Benson Walter
Birch & Stewart Kolasch & Birch, LLP
Delta Electronics , Inc.
Luo David S
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