Abstract: A robotic harmonic flex-drive has an outer generally cylindrical spline having inner diameter gear teeth and an inner generally cylindrical spline having outer diameter gear teeth concentric to the outer spline. A wave generator including a pair of rollers disposed adjacent to an outside surface of the outer spline and an inner surface of the inner spline deforms the outer and inner splines into ellipses whereby the inner diameter gear teeth of the outer spline engage the outer diameter gear teeth of the inner spline at a pair of diametrically opposed points along a major axis of the deformed outer and inner splines.

Abstract: A personal viewer system includes a head-mounted display linked to an optical generator which receives images from an electronic image source. The head-mounted display includes a scanner which receives light-based optical images from the optical generator and scans these images onto at least one ellipsoid reflector positionable in front of the eye of a user, such that a scanned image is reflected into the eye of the user. Preferably, the at least one ellipsoid reflector has an inner surface that is only partially reflective so as to permit viewing therethrough. The head-mounted display may include a motion orientation sensor for altering the generated image as the user's head is moved.

Abstract: A robotic harmonic flex-drive has an outer generally cylindrical spline having inner diameter gear teeth and an inner generally cylindrical spline having outer diameter gear teeth concentric to the outer spline. A wave generator including a pair of rollers disposed adjacent to an outside surface of the outer spline and an inner surface of the inner spline deforms the outer and inner splines into ellipses whereby the inner diameter gear teeth of the outer spline engage the outer diameter gear teeth of the inner spline at a pair of diametrically opposed points along a major axis of the deformed outer and inner splines.

Abstract: A personal viewer system includes a head-mounted display linked to an optical generator which receives images from an electronic image source. The head-mounted display includes a scanner which receives light-based optical images from the optical generator and scans these images onto at least one ellipsoid reflector positionable in front of the eye of a user, such that a scanned image is reflected into the eye of the user. Preferably, the at least one ellipsoid reflector has an inner surface that is only partially reflective so as to permit viewing therethrough. The head-mounted display may include a motion orientation sensor for altering the generated image as the user's head is moved.

Abstract: A modular robotic system is provided with one or more robotic arm sets constructed from modular components and controlled by a central processor to displace an end effector or tool through a desired movement or movements as a function of time. Each arm set comprises a custom assembled combination of passive and active members of selected sizes and shapes, wherein each active member includes a drive motor for rotating a driven member with one degree of mechanical freedom. The active members of each arm set are connected to the central processor via a common communications cable for receiving position commands in the form of end effector position signals. The active members include individual on-board microprocessors for translating each end effector position signal to obtain individualized displacements of the active members which, in combination, result in the desired end effector displacement.