US Patent No: 5,719,558

Number of patents in Portfolio can not be more than 2000

Monitoring apparatus for a power plant comprising direct current sources

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Importance

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Abstract

A monitoring apparatus for a power plant including a plurality of direct current sources, includes a unit for displaying a predetermined number of symbols representing the direct current sources, and a unit for changing a displayed form of a corresponding symbol when at least one physical quantity of the states of the direct current sources changes.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HITACHI, LTD.TOKYO32320

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Namba, Shigeaki Hitachi, JP 18 161
Takizawa, Katsuyoshi Chiba, JP 10 45

Cited Art

Patent Info (Count) # Cites Year
 
DAIMLERCHRYSLER AG (1)
5,254,996 Charge monitoring system for a remote control system 13 1991
 
HONDA GIKEN KOGYO KABUSHIKI KAISHA (1)
5,241,482 Monitoring system for automated assemblies 32 1991
 
HUDSON OXYGEN THERAPY SALES COMPANY, A CA CORP. (1)
4,189,725 Battery powered condition sensing and display apparatus with low battery indication 11 1977
 
METTLER-TOLEDO GMBH (1)
4,311,993 Multisegment liquid crystal indication system 12 1980
 
RAYTHEON COMPANY (1)
5,553,209 Method for automatically displaying map symbols 11 1994
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (1)
5,241,657 Information display system 27 1990

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
GENERAL ELECTRIC COMPANY (1)
7,032,015 System and method for integrating a power system over a network 3 2000
 
SUN MICROSYSTEMS, INC. (1)
6,366,284 Generating three-dimensional bar charts with unobscured blocks 9 1998