Imaging modality showing energy and velocity

Patent 6177923 Issued on January 23, 2001. Estimated Expiration Date:

October 25, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

Re35371

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Inventors

Application

No. 736895 filed on 10/25/1996

US Classes:

345/589, Color or intensity600/441Having B-scan and Doppler

Examiners

Primary: Luu, Matthew

Attorney, Agent or Firm

Morrison & Foerster LLP

Foreign Patent References

3-094739 JP. 04/13/1991
96/21215 WO. 07/13/1996

International Class

G09G 005/02

Abstract

Both the energy and velocity contents of received Doppler and time shift signals are simultaneously displayed. A continuous range of imaging modes are provided ranging from velocity imaging to energy imaging. The user may select the particular imaging mode desired for a particular clinical application.

Other References

Benson, Television Engineering Handbook, revised by Jerry Whitaker, Revised Edition, p. 4.4, (McGraw Hill 1992)
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Kasai, et al., "Real-Time Two-Dimensional Blood Flow Imaging Using an Autocorrelation Technique", IEEE Transactions on Sonics and Ultrasonics SU-32 (3):458-464 (May 1985)
Toshiba Corporation, Sonolayer Phased Array Scanner with Color Doppler Imaging SSA-270A, Product Brochure, Toshiba Corporation, Medical Systems Division, 1-1, Shibaura 1-Chome, Minato-Ku, Tokyo, 105, Japan (1990)
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