General Electric Company

Jay S Plugge

Stephen W Flax

James E Blake

William H Wesbey

Eugene S Hammer

Obstructions in a blood vessel are identified and displayed by determining changes in textural patterns based on the ultrasonic waves reflected from the blood vessel. The textural pattern from stationary scatterers, such as found in a clot, remains essentially constant, whereas the texture pattern for moving scatterers such as flowing blood cells is ever changing. By determining and imaging the variations in textural pattern of the reflected ultrasonic waves the identification of obstructions in the vessel is realized.

Method and means for imaging obstructed blood vessels

A pair of electrical cables to be interconnected, each have an outer layer of insulation and a central conductor terminating in a cable end. A generally funnel shaped conductor is attached to the conductors of each cable end forming a concave terminal on each cable end. A spherical conductor is interposed between the funnel shaped conductors of the cable ends. The cable ends and the spherical conductor are compressively engaged to provide assured electrical contact through the cables and are enclosed within a tubular dielectric housing. The cable ends extend through apertures in threaded end plugs and into the tubular housing. The housing includes a dielectric grease to displace all air within the housing. A seal and tubular sleeve are interposed between the end plugs and the funnel shaped conductors of the cable ends so that threaded engagement of the end plugs provide axial compressive forces on the funnel shaped conductors and also seal the connection. The connection is readily detachable by the threaded disengagement of the end plugs.

Detachable high voltage connection

Raster lines are obscured in a photograph of an image displayed on a video monitor. A photographic film is used as an integrating mechanism. The TV raster is vertically displaced during the camera shutter open time a total deflection of one horizontal line, thus blending the information between horizontal lines. Vertical raster deflection is accomplished by adding a series of delays to the normal vertical sync and then generating a processed composite sync to drive the external sync input to the monitor. The shutter is open for several video frames, each frame being deflected vertically by an integer amount greater than the previous frame until the total raster deflection equals one horizontal line.

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Brookfield, WI, United States of America

Jay S Plugge