Ultrasonic examination

Details Ultrasonic examination Ultrasonic examination

1974-11-26

1977-01-25

Griffin, Roert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

178DIG18, 73 675R, 343 17, 358 83, H04N 718

Patent

active

040052583

ABSTRACT:
A device for examination by ultrasonic pulses to produce better image resolution, of the type including the formation of a B-type intermediate image of the object examined on the target of a recording tube, the reading of this image by television type scanning, and its visualization on a television screen, in which there is a modulation of the television scanning, so that the beam exploring the intermediate image describes hyperbolic arcs identical with those which correspond, in the intermediate image, to each point of the object examined.

REFERENCES:
patent: 2632157 (1953-03-01), Jones
patent: 3763693 (1973-10-01), Bhuta
patent: 3772457 (1973-11-01), Macovski
patent: 3856985 (1974-12-01), Yokoi

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