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. 27, 2005
Filed:
Sep. 05, 2003
Yasuaki Horio, Musashino, JP;
Masaaki Nikkuni, Musashino, JP;
Masahiko Moriya, Musashino, JP;
Hiroki Yoshino, Musashino, JP;
Yasuaki Horio, Musashino, JP;
Masaaki Nikkuni, Musashino, JP;
Masahiko Moriya, Musashino, JP;
Hiroki Yoshino, Musashino, JP;
Yokogawa Electric Corporation, Tokyo, JP;
Abstract
A time difference signal having a pulse width corresponding to the time difference between an output of a resonant pressure sensor and a reference clock is prepared. The pulse width of the time difference signal is expanded by a given magnification. Based on a count value obtained by counting the reference clock during the expanded pulse width and a count value obtained by counting the reference clock during one cycle of the output of the resonant pressure sensor or a period which is integer times as long as the one cycle, the output frequency of the resonant pressure sensor is obtained. It is possible to obtain the fast processing and the high resolution without increasing the frequency of the reference clock.