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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Kato; Sutemaro
Address:
Kariya, JP
No. of patents:
3
Patents:




Patent Number Title Of Patent Date Issued
7555680 Distributed control apparatus June 30, 2009
A distributed control system includes a plurality of PLCs which are connected together via active and backup transmission lines which are opposite in transmission direction. Each of the PLCs includes a diagnosis command sending program for sending a diagnosis command, via a diagnosis
7554782 Safety PLC June 30, 2009
A safety PLC having duplex power supply circuits, includes: a first output-stage transistor; a first DC power supply that drives the first output-stage transistor; a second output-stage transistor; a second DC power supply that drives the second output-stage transistor; a signal tran
7459910 Contact welding detecting device for relay December 2, 2008
A contact welding detecting device includes: a relay including a first contact for permitting and breaking transmission of a first DC input potential to a first output and a second contact for permitting and breaking transmission of a second DC input potential; a relay open/close con


 
 
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