Measuring and testing – Vibration – By mechanical waves
Patent
1976-09-10
1978-09-26
Queisser, Richard C.
Measuring and testing
Vibration
By mechanical waves
73620, 128 2V, G01N 2900
Patent
active
041160746
ABSTRACT:
A method and apparatus for facilitating examination of an object within an optically opaque body through the use of impulse-echo techniques by projecting to an observation point, via a reflective surface positioned to intersect a line between the observation point and the object to be examined, a virtual image of a linear array of luminous points corresponding to echo-producing points of the object, such that each luminous point of the reflected image appears at a location, relative to the observation point, that coincides with the actual location of the corresponding echo-producing point of the object in the body.
REFERENCES:
patent: 3461420 (1969-08-01), Silverman
patent: 3543229 (1970-11-01), Baum
patent: 3688564 (1972-09-01), McDicken
patent: 3780572 (1973-12-01), Rocha
patent: 3962909 (1976-06-01), Lund
patent: 3964297 (1976-06-01), Jorgensen et al.
Kreitman Stephen A.
Queisser Richard C.
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