Ultrasonic imaging apparatus
Patent 4541435 Issued on September 17, 1985. Estimated Expiration Date: 
October 28, 2003. 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.
October 28, 2003. 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.Patent ReferencesUltrasonic electronic lens with reduced delay range Ultrasonic imaging system Pulse-echo ultrasonic-imaging display system having time-varied effective aperture Dynamic array aperture and focus control for ultrasonic imaging systems Multiple line of sight ultrasonic apparatus Ultrasonic imaging method and apparatus with electronic beam focusing and scanning Patent #: 4305296 InventorsAssigneeApplicationNo. 06/546079 filed on 10/28/1983US Classes:600/443, Anatomic image produced by reflective scanning600/447, Electronic array scanning73/626SwitchedExaminersPrimary: Howell, Kyle L.Assistant: Jaworski, Francis J. Attorney, Agent or FirmInternational ClassesG10K 11/34 (20060101)G10K 11/00 (20060101) G01S 7/52 (20060101) Foreign Application Priority Data1980-02-28 JPAbstractUltrasonic imaging apparatus including ultrasonic transducers for emitting acoustic wave beams of various apertures, apparatus for directing two acoustic wave beams of substantially different focussing distances on the same beam direction, circuitry for receiving the reflected waves corresponding to the beam directions, apparatus for modulating the scanning lines corresponding to the beam directions of the reflected acoustic waves, and apparatus for composing the scanning lines corresponding to the two acoustic beams directed on the same beam direction into a single scanning line for display.Other References
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