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Title:
ELECTRONIC INDICATING INSTRUMENT
Document Type and Number:
Japanese Patent JP2014157161
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To notify a user of erroneous connection intelligibly, even in the case of an inexpensive segment type liquid crystal or 7-segment LED which is a main current of an electronic indicating instrument.SOLUTION: An electronic indicating instrument is provided with a display mode change-over unit for changing over between a measurement value display mode and an erroneous connection display mode. When set in the erroneous connection display mode, the electronic indicating instrument displays: a phase difference between a voltage between a first phase and a second phase, and a voltage between the second phase and a third phase; a phase difference between current of the first phase and current of the third phase; and a phase difference between the voltage between the first phase and the second phase and the current of the first phase.

Inventors:
KAME YUJI
ISHIZAKA MASAHIRO
SHINOHARA SHINJI
Application Number:
JP2014089049A
Publication Date:
August 28, 2014
Filing Date:
April 23, 2014
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
G01R25/00; G01R29/18; G01R31/02
Domestic Patent References:
JP2000258484A2000-09-22
JP2004138494A2004-05-13
JP2009069065A2009-04-02
JP2005287256A2005-10-13
JPS6138569A1986-02-24
JPS63144714A1988-06-16
JP2001041984A2001-02-16
JP2001124806A2001-05-11
Attorney, Agent or Firm:
Tadahiko Inaba
Murakami Kanako
Shigeaki Matsui
Yasutaka Kuratani