Optics: measuring and testing – By particle light scattering – With photocell detection
Patent
1993-12-02
1995-07-18
Turner, Samuel A.
Optics: measuring and testing
By particle light scattering
With photocell detection
356360, 356241, 600160, G01B 902
Patent
active
054346690
ABSTRACT:
The measuring endoscope includes a device for producing interference fringes, a device for projecting the interference fringes onto a surface of an object to be measured, a device for scanning the interference fringes, an imaging device for reading vibrations of brightness on the surface of the object to be measured which are caused by the scanning of the interference fringes and a processing device capable of determining depths of concavities and heights of convexities on the surface the measured object by calculating data output from the imaging device. This measuring endoscope makes it possible to determine accurately the location of internal diseases within organs of human bodies, defects in gas pipes and so on.
REFERENCES:
patent: 4139304 (1979-02-01), Redman et al.
patent: 4212073 (1980-07-01), Balasubramanian
patent: 4643514 (1987-02-01), Raviv et al.
patent: 4948251 (1990-08-01), Kondo
Kurita Hiroyuki
Sakiyama Katsunori
Tabata Seiichiro
Takahashi Susumu
Takayama Toshikazu
Olympus Optical Co,. Ltd.
Turner Samuel A.
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