US Patent 7896137 Elevator power system having plural storage apparatuses
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Patent abstract
A power supplying system for an elevator includes: a first electric storage apparatus for storing thereinto electric power derived from a commercial power supply; a charging apparatus for charging the electric power derived from the commercial power supply to the first electric storage apparatus and for controlling a current when the electric power is charged into the first electric storage apparatus; a second electric storage apparatus for storing thereinto electric power used to operate an appliance of an elevator; and a power supplying apparatus for supplying the electric power derived from the first electric storage apparatus to the second electric storage apparatus.
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Patent Inventor Names
Junichiro Ishikawa0
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US Patent 07896137 Elevator power system having plural storage apparatuses US Patent 7896137 Elevator power system having plural storage apparatuses
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Patent Number
078961370
Patent Number
78961370
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Patent Jurisdiction
Patent Number
078961370
Date of Patent
March 1, 2011
0Patent Application Number
119097710
Date Filed
April 1, 2005
0Official Website
Patent Primary Examiner
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US Patent 07896137 Elevator power system having plural storage apparatuses
Infobox
Is a
Patent jurisdiction
Patent number
07896137
Date of patent
March 1, 2011
Patent application number
11909771
Date Filed
April 1, 2005
Patent primary examiner
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