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Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 4016751 | Ultrasonic beam forming technique Apparatus for ultrasonic examination of objects, particularly in medical gnostic examination, incorporates means for focusing portions of the beam of ultrasonic pulses generated by a transducer at a plurality of distances from the transducer to reduce th... | 04/12/1977 |
| 4012952 | Ultrasonic system An ultrasonic probing system including: a recurrent electric impulse sender, several transducer devices integral with a common support and connected to said sender; receptor devices connected with said sender, wherein the transducer devices are arranged t... | 03/22/1977 |
| 4005382 | Signal processor for ultrasonic imaging A signal processor for an ultrasonic imaging system permits the selection of scan angles and focusing distances. The system includes an ultrasonic receiver comprising an array of electromechanical transducers, with the individual transducers being coupled... | 01/25/1977 |
| 3999422 | Ultrasonic test method and apparatus for testing thick-walled workpieces The invention concerns an apparatus and method for ultrasonically testing thick-walled workpieces at an increased scanning speed by the use of a plurality of ultrasonic test probes wherein the probes are selectively rendered operable. The transmit probes ... | 12/28/1976 |
| 3992925 | Device for ultrasonic scanning An ultrasonic examination device comprising two curved converging mirrors, the points of focus of which differ and are separated from each other over a distance equalling the width of the image plane. The device furthermore comprises two pairs of mosaics,... | 11/23/1976 |
| 3990300 | Moving ultrasonic transducer array An apparatus for the pulse-echo ultrasonic examination, particularly in medical diagnostic examination, is comprised of a plurality of transducers spaced around the object to be examined, each of the transducers being steerable to direct pulses of ultraso... | 11/09/1976 |
| 3988922 | Vessel examination system A system for on-site, non-destructive examination of the seam welds or other portions of the walls of a vessel, for example, a nuclear reactor pressure vessel, including an instrument carrying, remotely controlled vehicle with magnetic adherence means whi... | 11/02/1976 |
| 3979711 | Ultrasonic transducer array and imaging system An ultrasonic bidirectional transducer array, and an imaging system including said array, wherein the array comprises a plurality of transducer elements each having a major face capable of bidirectionally transmitting and receiving ultrasonic energy and a... | 09/07/1976 |
| 3959770 | Method and apparatus for error compensation in multichannel systems Error compensating method and means are shown for use in multichannel systems for compensation of errors in the operating characteristics of the individual information handling channels. Offset, gain, linearity and the like, channel transfer function erro... | 05/25/1976 |
| 3953825 | Electronically focused imaging system and method An improved electronically focused imaging system for focusing transmitted acoustic waves into a focal line and for scanning the focal line for waves either reflected or transmitted from an object of interest. The system includes N transducer elements in ... | 04/27/1976 |
| 3944963 | Method and apparatus for ultrasonically measuring deviation from straightness, or wall curvature or axial curvature, of an elongated member Apparatus for measuring deviation from straightness, or wall curvature or axial curvature, of an elongated member by ultrasonic pulse-echo techniques comprises at least three ultrasonic transducer means and an associated processing system. In operation, e... | 03/16/1976 |
| 3942358 | Method and apparatus for adjusting defect gate in ultrasonic pulse-echo testing The present invention refers to a method of ultrasonic testing a workpiece by the pulse-echo technique and an apparatus therefor. An initial portion of a workpiece to be tested is conveyed past an array of electroacoustic transducer probes. The transit ti... | 03/09/1976 |
| 3942361 | Arrangement for testing thick-walled specimens by the ultrasonic pulse-echo method In an ultrasonic pulse-echo test arrangement which is particularly suited for testing heavy-walled workpieces, a plurality of transducer probes are used. Two or more transmitting transducer probes are arranged so that each probe transmits its sound beam t... | 03/09/1976 |
| 3939696 | Scanning ultrasonic inspection method and apparatus Apparatus for pulse-echo ultrasonic examination, particularly in medical diagnostic examination, is comprised of a plurality of transducers spaced at fixed positions around the object to be examined, each of the transducers being steerable to direct pulse... | 02/24/1976 |
| 3938502 | Apparatus with a catheter for examining hollow organs or bodies with the ultrasonic waves A device for examining the heart is provided with a catheter adapted to be placed within the heart and including at one end thereof, circumferentially arranged, equidistantly distributed elements, serving for the transmission and reception of ultrasonic w... | 02/17/1976 |
| 3936791 | Linear array ultrasonic transducer Apparatus for ultrasonic examination of objects, particularly in medical diagnostic examination, is comprised of a phased array transducer capable of focusing the beam of ultrasonic pulses in the longitudinal plane of the transducer, and focusing means to... | 02/03/1976 |
