Abstract: An optical apparatus for viewing one or more images including (i) an optical device for enhancing the one or more images and having a surface defining mechanical threads; (ii) a display device having a display for presenting information that is removably attached to the optical device, the display device including a surface defining mechanical threads for mating with the mechanical threads of the optical device; and (iii) a lock ring that is mounted to the mechanical threads of the optical device, said lock ring being positioned between the display device and the optical device, wherein the lock ring is rotatably positioned on the mechanical threads of the optical device to move toward and bear on a surface of the display device in order to either limit or prevent the display device from further rotation on the mechanical threads of the optical device.

Abstract: A device mount for mounting a vision enhancement device to an article worn on a user's head includes a first adjustment member operable to move a mounted vision enhancement device in a cranial-caudal direction with respect to the user. A second adjustment member which extends from the first adjustment member is operable to move a mounted vision enhancement device along a medial-lateral adjustment axis with respect to the user. A third adjustment member includes an extension arm extending from the second adjustment member that rotates with respect to the medial-lateral adjustment axis of the second adjustment member. A helmet apparatus includes a device mount and power supply that are offset from an anterior-posterior axis of the helmet in a counterbalancing arrangement.

Abstract: A device mount for mounting a vision enhancement device to an article worn on a user's head includes a first adjustment member operable to move a mounted vision enhancement device in a cranial-caudal direction with respect to the user. A second adjustment member which extends from the first adjustment member is operable to move a mounted vision enhancement device along a medial-lateral adjustment axis with respect to the user. A third adjustment member includes an extension arm extending from the second adjustment member that rotates with respect to the medial-lateral adjustment axis of the second adjustment member. A helmet apparatus includes a device mount and power supply that are offset from an anterior-posterior axis of the helmet in a counterbalancing arrangement.

Abstract: An electrical connector for a helmet-mounted night vision system, or other electronic device, is provided. The electrical connector includes a plug assembly and a receptacle assembly each including a body having a revolved surface and an electrical contact. A protrusion extends from the revolved surface of either the plug assembly or the receptacle assembly and a cam surface is defined along the revolved surface of the other of the plug assembly and the receptacle assembly. Upon engagement between the assemblies, the revolved surfaces of the assemblies are positioned to face each other and upon rotation of the assemblies with respect to one another the protrusion is positioned to move along the cam surface causing the electrical contact of the plug assembly to bear against the electrical contact of the receptacle assembly thereby establishing a connection between the plug assembly and the receptacle assembly.

Abstract: The present invention includes a push button rotary knob assembly which provides rotational movement and translational travel along an axis. The present invention controls electronics within a housing, without requiring protrusion into the housing. Having no protrusions into the housing avoids exposure of the electronics within the housing to environmental contaminants or electromagnetic interference. The components of the push button rotary knob assembly may operate without need for O-rings, gaskets, or any other applied sealants. Assembly of the push button rotary knob is simplified, because the rotary knob may be assembled and replaced without any tools and without need to access the interior of the housing. Furthermore, if the rotary knob is damaged, the rotary knob may be replaced, and any seal provided to exterior surfaces of the housing is not compromised.

Abstract: A holder for a compact digital disk. The holder includes a base having a hub on which a disk may be frictionally retained. It also includes a lid pivotally mounted on the base and having an extractor for disengaging the disk from the hub as the lid is moved from the closed to the open position. The extractor additionally functions as a latch to retain the lid in the closed position. Also, a deflector is positioned on top of the hub to retain the disk after it has been disengaged from the hub.