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:
Aug. 16, 2011
Filed:
Jun. 23, 2005
Isao Uchida, Tokyo, JP;
Masanori Noguchi, Tokyo, JP;
Toshiro Tomita, Tokyo, JP;
Tetsuo Hoshi, Tokyo, JP;
Koji Demachi, Tokyo, JP;
Toshiki Ogawa, Tokyo, JP;
Yoji Saito, Tokyo, JP;
Hirofumi Takahashi, Tokyo, JP;
Isao Uchida, Tokyo, JP;
Masanori Noguchi, Tokyo, JP;
Toshiro Tomita, Tokyo, JP;
Tetsuo Hoshi, Tokyo, JP;
Koji Demachi, Tokyo, JP;
Toshiki Ogawa, Tokyo, JP;
Yoji Saito, Tokyo, JP;
Hirofumi Takahashi, Tokyo, JP;
Yokogawa Electric Corporation, Tokyo, JP;
Abstract
A signal relay device, a communication network system and an operation system include: a standardized logic interface conversion unit for judging a control system type or a device type and converting a signal to a signal appropriate for a communication network; or a device side logic interface conversion unit for converting a signal from the communication network to a signal appropriate for the control system type or the device type. An operation monitoring station includes a an advanced control block for the control system or the device and transmits a control signal to the communication network.