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Patent Searching and Data


Title:
TESTING METHOD AND TESTING DEVICE
Document Type and Number:
Japanese Patent JP3820262
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a testing method and a testing device by which highly reliable testing results can be obtained, regarding the testing method and the testing device using an inverter for converting DC input to AC output and supplying the AC output to a load.
SOLUTION: The testing method, which uses the inverter 2 for converting the DC input to the AC output and supplying the AC output to the load (an FL tube 4), has the following configuration: The changes of a circuit current are detected through the medium of the magnetic flux changes caused by the changes of the circuit current of the inverter occurring as a result of electric discharge. It is determined whether there is abnormality in a current route including the load or not by the detected results.


Inventors:
Minami Senba
Ichiharu Hachisuka
Shuichi Yadori
Masaru Tanaka
Application Number:
JP2005024090A
Publication Date:
September 13, 2006
Filing Date:
January 31, 2005
Export Citation:
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Assignee:
富士通株式会社
International Classes:
H02M7/48; (IPC1-7): H02M7/48
Domestic Patent References:
JP11252937A
JP3207274A
JP9182449A
JP54082624A
Attorney, Agent or Firm:
Shoichi Uemoto