Electricity: electrical systems and devices – Safety and protection of systems and devices – Generator protective circuits
Reexamination Certificate
2007-04-03
2007-04-03
Jackson, Stephen W. (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Generator protective circuits
Reexamination Certificate
active
10474966
ABSTRACT:
A diode system and a generator, uses Zener diodes. The diode system has AC voltage terminals and DC voltage terminals, in which the Zener diodes are operable in the forward direction to rectify an AC voltage present at the AC voltage terminals, in which a lower limit is provided for the Zener voltage of the Zener diodes, and in which the lower limit of the Zener voltage is provided so that it is lower than a preset lower DC voltage.
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patent: 4143313 (1979-03-01), Arendt
patent: 4985670 (1991-01-01), Kaneyuki et al.
patent: 5606246 (1997-02-01), Adachi
patent: 5617011 (1997-04-01), Hammer et al.
patent: 5719488 (1998-02-01), Mashino et al.
patent: 694 06 703 (1997-12-01), None
patent: 04088843 (1992-03-01), None
patent: 04 088 843 (1992-07-01), None
Patent Abstract of Japan, vol. 016, No. 316 (E-1231), Jul. 10, 1992 &, JP 04 088843 A (Hitachi Ltd), Mar. 23, 1992.
Goerlach Alfred
Haussmann Holger
Spitz Richard
Topp Rainer
Jackson Stephen W.
Kenyon & Kenyon LLP
Robert & Bosch GmbH
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