Ultrasonic scanning apparatus
Patent 4092867 Issued on June 6, 1978. Estimated Expiration Date: 
June 6, 1995. 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.
June 6, 1995. 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 References 870938 3406564 3678736 3690311 3721227 3765229 3784805 3789833 3927661 Cardioscan probe InventorApplicationNo. 767376 filed on 02/10/1977US Classes:73/609, Measuring or testing system having threshold, gating, delay, or blocking means73/614, Of signals to pass only echoes from within test body73/619, Programmed scan73/621, Having compound scan73/633, Having transducer scanning means73/642, Having wave shaping means600/445, Mechanical scanning600/446Hand-held unitExaminersPrimary: Queisser, Richard C.Assistant: Beauchamp, John P. Attorney, Agent or FirmInternational ClassG01N 029/04AbstractAn ultrasonic scanner having a housing, an ultrasonic transducer disposed within the housing and mounted for movement in a predetermined path therewithin. Magnetic means are provided for effecting movement of the transducer in a predetermined path, and electrical means are provided for energizing the transducer and receiving signals therefrom.The scanner may be servo-controlled and be provided with position sensing means for determining the position of the transducer within the predetermined path, and signal processing means for receiving feedback signals from said position sensing means and adjusting said transducer position responsive to said feedback signals indicating the existence of a departure from the desired transducer position. | |
