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:
Nov. 17, 1992
Filed:
Sep. 20, 1990
Takashi Kumazawa, Ootawara, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
An ultrasonic diagnostic apparatus includes an ultrasonic transmitting/receiving section for transmitting an ultrasonic wave into an object to be examined and receiving an ultrasonic echo of the transmitted ultrasonic wave, a detecting section for detecting a frequency shift component from an ultrasonic echo signal obtained by the ultrasonic transmitting/receiving section, a filter section for removing a clutter component from a detection signal obtained by the detecting section and extracting only a required Doppler shifted signal, an analyzing section for obtaining, by frequency analysis, Doppler data only from that component of the Doppler shifted signal which has power exceeding a predetermined blank level, a setting section for setting system conditions influencing the noise level of the Doppler shifted signal, and a control section for substantially controlling the blank level of the analyzing section in accordance with the conditions set by the setting section.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile