Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Reexamination Certificate
2009-06-07
2011-11-22
Wallis, Michael Rutland (Department: 2836)
Electrical transmission or interconnection systems
Plural supply circuits or sources
Substitute or emergency source
C320S155000
Reexamination Certificate
active
08063510
ABSTRACT:
A charge control apparatus operable in a first power mode or a second power mode having power consumption less than that of the first power mode, the charge control apparatus includes a main power supply, an auxiliary power supply, a charging unit, a time count unit, and a charge control unit, wherein the charge control unit controls the charging unit to switch from a first charge mode to a second charge mode upon detecting that the charging time counted by the time count unit is or larger than a predetermined time period in the first power mode, and wherein the charge control unit controls the charging unit to operate in the second charge mode when the charge control apparatus operates in the second power mode.
REFERENCES:
patent: 7851944 (2010-12-01), Li et al.
patent: 9-56078 (1997-02-01), None
Canon Kabushiki Kaisha
Canon U.S.A. Inc. IP Division
Rutland Wallis Michael
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