Electricity: motive power systems – Plural diverse motor controls – Running-speed control
Reexamination Certificate
2006-02-07
2006-02-07
Masih, Karen (Department: 2837)
Electricity: motive power systems
Plural diverse motor controls
Running-speed control
C318S809000, C318S254100, C318S132000, C318S434000
Reexamination Certificate
active
06995532
ABSTRACT:
A cooling fan includes a fan, a motor coupled to the fan to drive the fan and a microcontroller. The microcontroller is connected to the motor and is capable of detecting a speed of the fan in real time and maintaining a constant speed of the fan regardless of changes in input voltage.
REFERENCES:
patent: 4400654 (1983-08-01), Elliott
patent: 5200684 (1993-04-01), Fisher
patent: 5269660 (1993-12-01), Pradelle
patent: 5572403 (1996-11-01), Mills
patent: 5631852 (1997-05-01), Chen
patent: 5687079 (1997-11-01), Bauer et al.
patent: 5689159 (1997-11-01), Culp et al.
patent: 5790430 (1998-08-01), Steiert
patent: 5847524 (1998-12-01), Erdman et al.
patent: 5929577 (1999-07-01), Neidorff et al.
patent: 5949646 (1999-09-01), Lee et al.
patent: 6023402 (2000-02-01), Kaminski
patent: 6031717 (2000-02-01), Baddour et al.
patent: 6037732 (2000-03-01), Alfano et al.
patent: 6054823 (2000-04-01), Collings et al.
patent: 6101459 (2000-08-01), Tavallaei et al.
patent: 6151023 (2000-11-01), Chari
patent: 6160358 (2000-12-01), Moisin
patent: 6188973 (2001-02-01), Martinez et al.
patent: 6191957 (2001-02-01), Peterson
patent: 6198176 (2001-03-01), Gillette
patent: 6216235 (2001-04-01), Thomas et al.
patent: 6246969 (2001-06-01), Sinclair et al.
patent: 6260155 (2001-07-01), Dellacona
patent: 6268664 (2001-07-01), Rolls et al.
patent: 6276900 (2001-08-01), Lyszkowski et al.
patent: 6298449 (2001-10-01), Carter
patent: 6318965 (2001-11-01), Nair
patent: 6321348 (2001-11-01), Kobata
patent: 6337630 (2002-01-01), Hass et al.
patent: 6338150 (2002-01-01), Johnson et al.
patent: 6344985 (2002-02-01), Akerson
patent: 6348873 (2002-02-01), Wang et al.
patent: 6392372 (2002-05-01), Mays, II
patent: 6398505 (2002-06-01), Sekiguchi
patent: 6400113 (2002-06-01), Garcia et al.
patent: 6481974 (2002-11-01), Horng et al.
patent: 6487463 (2002-11-01), Stepp, III
patent: 6545438 (2003-04-01), Mays, II
patent: 6597972 (2003-07-01), Emberty et al.
patent: 6611117 (2003-08-01), Hardt
patent: 2001/0044782 (2001-11-01), Hughes et al.
patent: 2001/0047494 (2001-11-01), Thomas et al.
patent: 2004/0007196 (2004-01-01), Young et al.
patent: 2004/0183493 (2004-09-01), Boisvert et al.
patent: 0 676 688 (1995-10-01), None
Frankel Scott
Hardt Eric
Masih Karen
Minebea Co. Ltd.
Pillsbury Winthrop Shaw & Pittman LLP
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