Abstract: A garage parking guide to assist a driver to park very conveniently in the same desired location of an enclosure, such as, a garage. This guide consists of an adjustable mirror and housing affixed adjacent to the garage door opening for the purpose of reflecting the vehicle's brake lights and/or view of rear bumper to the driver via the vehicle's side view mirror. The guide, properly positioned, will direct a visual image, to the driver, indicating the vehicle's relative position to the garage opening. As the vehicle enters the garage, the brake lights, will reach a predetermined alignment with that of the parking guide, so as to transmit the glow of said brake lights to the driver signifying that the vehicle has reached the final predetermined position. The vehicle guide will function with any vehicle and/or driver, once properly mounted, for any space equipped with a parking guide.

Abstract: A variable focal length mirror assembly incorporates a rigid circular structure (18) defining a hollow chamber (21) with a circular aperture (19). A flexible elastomer (12,13) having a reflective coating (11) is disposed across aperture (19) with coating (11) outwardly facing. The elastomer (12,13) is peripherally gripped and clamped by a circularly-extending clamp means (15,16) located radially outwardly of the structure (18). The clamp means (15,16) are mounted for movement axially of the structure (18) in order to render flat that portion of the elastomer (12,13) covering the aperture (19) in the absence of any applied elastomer deformation force. Means (20) for applying elastomer deformation forces are provided.

Abstract: An alignment and path length control apparatus having a mirror housing having a base and a closed wall. The base has a mirrored external surface. The closed wall has a central axis. The closed wall is joined to the base at a base end of the closed wall by a flexible web. The closed wall extends above the base and terminates at a rim defining an aperture. The base has a central region coupled to the cylindrical wall. A post extends from the central region of the base within the cylindrical wall to a top end. A mirror axis extends from the mirrored external surface through the post. The central axis is substantially parallel to the mirror axis. An alignment transducer responds to a first alignment control signal by applying at least a first force between the post and the wall to deflect the mirror axis with respect to the central axis. A linear transducer responds to a linear displacement control signal by applying an axial force to the post to displace the central region longitudinally along the central axis.

Abstract: An electrostatically deflectable beam spatial light modulator with the beams (30), address electrodes (42, 46), and landing electrodes (40, 41) to provide soft-landing of the beams on the landing electrodes (40, 41) which gives uniform large-angle deflection plus high reliability.