SENSOR FOR CLASSIFYING MAIN COMPONENT OF DRY BATTERY, METHOD AND DEVICE FOR CLASSIFYING DRY BATTERY

Title:

SENSOR FOR CLASSIFYING MAIN COMPONENT OF DRY BATTERY, METHOD AND DEVICE FOR CLASSIFYING DRY BATTERY

Document Type and Number:

Japanese Patent JP3605274

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To classify a dry battery by the main component thereof.
SOLUTION: A static magnetic field generation coil 1 is excited by feeding current from a direct current power-supply unit 3, and an exterior of a dry battery 5 is magnetically saturated with a static magnetic field generated by the coil 1. Under this condition, an eddy current is generated in the exterior and inside of the dry battery 5 by an electromagnetic induction type proximity sensor 2 and the change of the eddy current is detected. An output from the electromagnetic induction type proximity sensor 2 is measured by a signal converter 4, and the dry battery 5 is classified by the main component according to the difference of the output.

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Inventors:

Takeo Kamimura
Tadaaki Tanii
Tsuzuki sharp
Junichi Ichise
Jun Kuroda
Shiro Motomura

Application Number:

JP35035197A

Publication Date:

December 22, 2004

Filing Date:

December 19, 1997

Export Citation:

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Assignee:

MITSUBISHI HEAVY INDUSTRIES,LTD.

International Classes:

G01D5/20; B07C5/344; G01N27/72; H01M6/52; H01M10/54; (IPC1-7): G01N27/72; B07C5/344; G01D5/20; H01M6/52; H01M10/54

Domestic Patent References:

JP9082340A
JP7085897A
JP7081941A
JP6215802A

Attorney, Agent or Firm:

Toshiro Mitsuishi
Tadahiro Mitsuishi
Yasuyuki Tanaka

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