Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Reexamination Certificate
2008-03-04
2008-03-04
Casler, Brian L. (Department: 3768)
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
C600S511000
Reexamination Certificate
active
07340289
ABSTRACT:
A biomagnetic field measuring apparatus for performing (1) processes for removing a magnetic field waveform generated by a maternal heart from a waveform of a biomagnetic field measured, (2) processes for obtaining a template waveform of a magnetic field waveform generated by the fetal heart from a waveform, from which the magnetic field waveform generated by the maternal heart has been removed, (3) processes for obtaining a waveform of a cross correlation coefficient between the waveform, from which the magnetic field waveform generated by the mother's hears was removed, and the template waveform, and (4) a process for detecting peaks from a waveform of the cross correlation coefficient, and displaying times of appearance of the detected peaks on a display unit.
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American Journal of Obstetrics & Gynecology, vol. 125, No. 8, Aug. 15, 1976, pp. 1115-1120.
Physiol. Meas., vol. 16, 1995, pp. 49-54.
Kandori Akihiko
Miyashita Tsuyoshi
Murakami Masahiro
Ogata Kuniomi
Tsukada Keiji
Casler Brian L.
Cheng Jacqueline
Hitachi High-Technologies Corporation
Mattingly ,Stanger ,Malur & Brundidge, P.C.
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