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:
Apr. 28, 1998
Filed:
Jul. 15, 1996
Koji Akiyama, Tokyo, JP;
Satoshi Yoshitake, Tokyo, JP;
Minoru Takeuchi, Tokyo, JP;
Hiroshi Shimizu, Tokyo, JP;
Kazuo Nagata, Tokyo, JP;
Kiyoshi Takai, Tokyo, JP;
Toshio Sekiguchi, Tokyo, JP;
Yokogawa Electric Corporation, Tokyo, JP;
Abstract
A wireless equipment diagnosis system which can perform inspection and maintenance precisely and accurately, and which comprises sensors which measure information on each equipment being diagnosed, a transponder which transmits measured data from the sensors after modulating the measured data; a portable interrogator which acquires the measured data by receiving transmitted signals from the transponder; and a host computer which diagnoses each equipment by implementing predetermined signal processing using information stored in advance and data transferred from the acquired data.