Underwater inspection and communication apparatus

Details Underwater inspection and communication apparatus Underwater inspection and communication apparatus

G - Physics

01

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349/23

G01N 29/04 (2006.01) B63B 9/00 (2006.01) B63C 11/26 (2006.01) G01N 29/06 (2006.01) G01N 29/22 (2006.01) H04B 11/00 (2006.01) H04N 7/18 (2006.01)

Patent

CA 1092697

UNDERWATER INSPECTION AND COMMUNICATION APPARATUS Abstract of the Disclosure A system for non-destructive underwater evaluation of structures comprises an ultrasonic testing means, such as a transducer, means for converting the output thereof into a visual signal, such as an oscilloscope, and means for con- veying that visual signal to the underwater technician who is operating the ultrasonic testing means. The means for trans- mitting the visual signal may comprise an underwater tele- vision or other monitor, connected either to a television camera which photographs the output of the oscilloscope or other visual display device, or other means, such as an auxiliary cathode ray tube display device, can be hooked directly to the visual display device. Preferably recording means, such as a video tape recorder, is connected, together with the underwater monitor, to make a permanent record of the monitored signals. Most preferably, the underwater monitor is also attached or attachable to an underwater television camera, so that the inspection can be switched from visual to ultrasonic, or vice versa, or a combination of both, at will. Pre- ferably the system also permits direct visual communication between the underwater technician and the topside crew.

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