Texas Scottish Rite Hospital for Crippled Children

J David Ross

Computer control apparatus uses sensing apparatus converts a mechanical movement into a direct current electrical signal. An electrical interface circuit is connected to the sensing apparatus for converting the direct current electrical signal into a pulse output used in controlling a computer. The preferred sensor is an inclinometer, which comprises an opaque body having a chamber. A light source is connected to the body to provide light in the chamber. Photocell apparatus is connected to the body to receive light emitted from the light source for providing an electrical resistance in relation to the amount of light received. Supported in the chamber is a liquid filter medium to absorb light emitted from the light source. A sufficient quantity of liquid filter medium is provided in the chamber to prevent light emitted from the light source from impinging upon the photocell apparatus in response to the angular placement of the body with respect to gravity.

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DeSoto, TX, United States of America

J David Ross