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. 25, 2012
Filed:
Jan. 22, 2008
Yoshitaka Kimura, Sendai, JP;
Mitsuyuki Nakao, Sendai, JP;
Takuya Ito, Sendai, JP;
Kazunari Ohwada, Nishitokyo, JP;
Yoshitaka Kimura, Sendai, JP;
Mitsuyuki Nakao, Sendai, JP;
Takuya Ito, Sendai, JP;
Kazunari Ohwada, Nishitokyo, JP;
Tohoku Techno Arch Co., Ltd., Sendai-shi, JP;
Abstract
Disclosed are a fetus electrocardiogram signal measuring method and its device that are capable of measuring the electrocardiogram signals of a fetus even during fetus movements and even at a gestational age during which the measurement current is weak, without the need for reattaching the electrodes and providing any shield room, even if the mother is a hospitalized or ambulant pregnant woman. The fetus electrocardiogram signal measuring device includes (1) high input impedance electrodes, (2) region-variable ground electrodes, and (3) a differential amplifier circuit and an optimization computing section.