Real-time imaging contact gauge and visual feedback interactive

Details Real-time imaging contact gauge and visual feedback interactive Real-time imaging contact gauge and visual feedback interactive

1996-04-09

1999-06-29

Lateef, Marvin M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

356 32, 73762, A61B 500

Patent

active

059161604

ABSTRACT:
A real-time imaging contact gauge for indicating the distribution of contact pressure over a surface includes a transparent base panel, a pressure-transmitting member at one face of the transparent base panel for receiving the contact pressure to be indicated, a birefringent member sensitive to mechanical pressure located between the pressure-transmitting member and the transparent base panel, a plurality of spaced, parallel electro-luminescent layers carried by the transparent base panel for illuminating the birefringent layer, and a polarizer for polarizing the light transmitted to the birefringent layer to produce optical interference patterns corresponding to the contact presssure distribution applied to the pressure-transmitting member, which patterns are viewable through the opposite face of the transparent base panel.

REFERENCES:
patent: 3966326 (1976-06-01), Brull et al.
patent: 4501159 (1985-02-01), Arcan
patent: 4926866 (1990-05-01), Lee
patent: 5524636 (1996-06-01), Sarvazyan et al.
Flexilite Brochure by Comlite B.V., no date.

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