The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2008
Filed:
Jun. 21, 2002
Yasuo Muneta, Kyoto, JP;
Toshiyuki Nakamura, Kyoto, JP;
Yasuo Muneta, Kyoto, JP;
Toshiyuki Nakamura, Kyoto, JP;
Omron Corporation, Kyoto-Shi, JP;
Abstract
A safety PLCserving as a master and a safety slaveare connected through a safety networkto constitute a network system. The safety slave has non-safety information storing unitfor storing individual information and a state information of the connected safety device, the state information monitors a state of the operating safety device and a stored content is updated based on its monitored result. Then, when the non-safety information satisfying a fixed condition, at least the non-safety information satisfied the condition is transmitted to the safety PLC. That processing is performed by an MPU. Thus, unnecessary non-safety information is not transmitted.