Abstract: An adjustable mattress may have an inner spring core between a top and bottom cover. The bottom cover may have at least one section made of a stretchable material that stretches around the mattress as it bends. The stretchable cover reduces the stress on the inner core for the bending when adjusting the mattress. The inner core may be formed from a spring array surrounded by a foam perimeter rail. Sides of the foam perimeter rail may be formed from individual foam coils.

Abstract: A cartridge magazine includes a front wall, a rear wall, first and second side walls, a pair of cartridge retaining lips, and first and second nose-dive control springs. The magazine is adapted to contain two overlapping columns of cartridges in a staggered configuration. Each nose-drive control spring includes a resilient shank portion and a case-engageable end portion adapted and configured to engage with a case of a cartridge. The shank portion extends from one of the side walls to the case-engageable end portion. Each nose-dive control spring is adapted to prevent a cartridge from moving into a nose-dive orientation as a breech face of the firearm pushes the cartridge forward toward the inclined ramp of the firearm.

Abstract: A rear sight comprises a base member and a top member. The base member comprises a fitting portion and a base member bearing surface. The fitting portion of the base member is attachable to a firearm. The top member comprises a rear sight alignment portion and a top member bearing surface. The top member bearing surface is slidably engageable with the base member bearing surface for pivotable movement of the top member relative to the base member between lowered and raised positions. Movement of the top member away from the lowered position and toward the raised position increases the distance between the rear sight alignment portion and a barrel axis of the firearm to thereby adjust the elevation of the rear sight alignment portion of the rear sight.

Abstract: The present invention is directed to an interrogator, method of discerning metal and radio frequency identification (RFID) objects, and an interrogation system employing the same. In one embodiment, the interrogator includes a metal sensing subsystem configured to provide a first signal having a signature representing a presence of a metal object, and a RFID sensing subsystem configured to provide a second signal having a signature representing a presence of a RFID object. The interrogator also includes a control and processing subsystem configured to discern a presence of at least one of the metal and RFID objects from one of the first and second signals.

Abstract: A cartridge magazine for housing a plurality of stacked cartridges and successively dispensing and guiding the uppermost one of the stacked cartridges from the magazine forward toward an inclined ramp leading to a chamber of a barrel of a firearm, the magazine comprising a housing portion and a nose-dive control spring. The nose-dive control spring comprises a resilient shank portion and a bullet-engageable end portion. The shank portion extends from one of the front and side walls to the bullet-engageable end portion. The nose-dive control spring is adapted and configured to prevent an uppermost cartridge from moving into a nose-dive orientation as a breech face of the firearm pushes the cartridge forward toward the inclined ramp of the firearm.

Abstract: A mattress has a perimeter rail having a head end, a foot end, and two sides, each having an inner surface, and at least two substantially parallel rectilinear sections. Each section comprises an array of springs whose tension is selected to provide a predetermined firmness for that section. Each adjacent pair of sections is urged into a spaced-apart relationship by a spacing means, where each spacing means comprises a flexible spacer. The flexible spacer restricts or substantially eliminates the translation of movements between the sections of the mattress, while avoiding the use of uncomfortable separation means.

Abstract: The present disclosure provides a gun sight system that utilizes vernier acuity to provide a single point of sight for aiming that requires little or no visual and mental estimation such that the respective firearm can be quickly, easily and accurately aimed at a still or moving target. The sight system includes a front sight comprising a sighting structure extending substantially orthogonally from the end of the slide that includes a ‘V-shaped’ notch in a distal end. The system additionally includes a rear sight comprising a sighting stud extending substantially orthogonally from a rear of the slide includes a ‘inverted-V-shaped’ tip such that when a user looks longitudinally along the top of the slide, the user can align an apex of the rear sight ‘inverted-V-shaped’ tip with a nadir of the front sight ‘V-shaped’ notch with the target nested within the front sight ‘V-shaped’ notch to accurately aim the firearm.

Abstract: A rear sight comprises a base member and a top member. The base member comprises a fitting portion and a base member bearing surface. The fitting portion of the base member is attachable to a firearm. The top member comprises a rear sight alignment portion and a top member bearing surface. The top member bearing surface is slidably engageable with the base member bearing surface for pivotable movement of the top member relative to the base member between lowered and raised positions. Movement of the top member away from the lowered position and toward the raised position increases the distance between the rear sight alignment portion and a barrel axis of the firearm to thereby adjust the elevation of the rear sight alignment portion of the rear sight.

Abstract: The present disclosure provides a gun sight system that utilizes vernier acuity to provide a single point of sight for aiming that requires little or no visual and mental estimation such that the respective firearm can be quickly, easily and accurately aimed at a still or moving target. The sight system includes a front sight comprising a sighting structure extending substantially orthogonally from the end of the slide that includes a ‘V-shaped’ notch in a distal end. The system additionally includes a rear sight comprising a sighting stud extending substantially orthogonally from a rear of the slide includes a ‘inverted-V-shaped’ tip such that when a user looks longitudinally along the top of the slide, the user can align an apex of the rear sight ‘inverted-V-shaped’ tip with a nadir of the front sight ‘V-shaped’ notch with the target nested within the front sight ‘V-shaped’ notch to accurately aim the firearm.

Abstract: A tracking device and system for tracking containers, in particular, containers and their contents, is disclosed. The tracking device utilizes AGPS/GPS/GSM/CDMA/LTE/EVDO/WiFi/RFID/Bluetooth®/TDMA technology to enable an individual to locate and monitor the movement of a Container at any given time and for any desired period of time. The tracking system utilizes virtual geo-fences to identify buildings or specific addresses to assist in determining the specific location of the containers in relation to these buildings or specific addresses. The tracking devices can also be activated by motion sensors to alert the tracking system of a possible theft of the container or sudden movement. The tracking system incorporates software which enables an individual to determine the location of the containers, determine the contents of the containers, and schedule the use of the containers by specific persons and at specific locations.

Abstract: A system comprising a wearable device with a fall sensor responsive to the physical effect of a fall by a user wearing the device to generate a sensed-fall signal; a plurality of local communicators capable of receiving the sensed-fall signal and transmitting a fall alert; a base transmitter comprising a communications portal capable of initiating communication with a remote responder and establishing two-way voice communication between the remote responder and the user of the wearable device via the local communicators; the local communicators capable of establishing a perimeter and sending an alert if the wearable device is not within the perimeter boundary; a charging plate for induction charging the wearable device; and a mobile application adapted for use on a remote responder's mobile device, the mobile application capable of being activated by communication from the base transmitter to alert the remote responder of the fall or emergency event.

Abstract: What is provided is a wearable, hands-free emergency alert device that responds automatically to a measurable physical effect of a fall event by the wearer to send an alert signal to a remote responder. The wearable device may be a bracelet with a flex circuit including an accelerometer; a manual alert to signal non-fall emergencies; a microphone and/or audio chip for voice communications between the user of the wearable device and a remote responder; one or more charging contacts so as to allow for induction and/or wireless charging of the device; and a wireless transmitter capable of sending a wireless alert signal in response to a sensed fall and capable of generating a response signal in response to receipt of a ping signal which may be used to determine the device's location.

Abstract: A device capable of being worn by a person includes a fall sensor responsive to the physical effect of a fall by a person wearing the device to generate a sensed-fall signal. A wireless transmitter can send a wireless alert signal in response to the sensed-fall signal without requiring participation by the person wearing the device. A base transmitter locatable on a premises where the device is to be worn can be enabled in response to the wireless alert signal to transmit a responder request to a remote responder. A two-way voice communicator separate from the wearable device can be located on the premises with the base transmitter. A remote responder can enable the two-way voice communicator for two-way voice communication with the person wearing the wearable device.

Abstract: A tracking device and system for tracking medical supplies, in particular, medical trays and their components is disclosed. The tracking device utilizes GPRS/GSM technology to enable an individual to locate and monitor the movement of a medical tray at any given time and for any desired period of time. The tracking system utilizes geo-fences established within buildings to assist in determining the specific location of the medical trays within these buildings. The tracking devices can also be activated by motion sensors to alert the tracking system of a possible theft of the tray. The tracking system incorporates software which enables an individual to determine the location of medical trays, determine the contents of the trays and schedule the use of the medical trays by specific doctors and at specific locations. The tracking system also retains information regarding the doctors, the medical device manufacture representatives, the hospitals and sales of the medical devices.

Abstract: A disaster resistant data storage module is provided. In a preferred embodiment, the module is sized to fit into a standard drive bay inside the chassis of a personal computer or server. Standard sized hard drives may be utilized. For example a 2.5 inch standard hard drive may be placed in a protective enclosure which is in turn sized to fit in a standard 3.5 inch drive bay. Another aspect of the invention is to provide a highly reflective exterior surface or coating which reflects radiant energy from a fire but which simultaneously conducts heat generated by a data storage device carried within the module.

Abstract: A fire and/or water resistant enclosure is provided for housing an operable digital data storage device. The enclosure is a low cost, preferably molded enclosure having various embodiments for providing resistance to fire and/or water. In one embodiment, a fan cooperates with one or more hatchless ventilation passageways to cool the digital data storage device. Passageways are sized to be sufficiently small to limit the transfer of heat through those passages sufficiently to prevent damage to the data storage device and to prevent loss of data stored thereon. Another embodiment provides a water resistant pouch surrounding the data storage device which may be made of flexible foil or of finned relatively robust and non-flexible thermal conductor. The enclosure in some embodiments utilizes a fan and in some embodiments operates without a fan. Similarly, the enclosure in some embodiments utilizes movable hatches and in other embodiments is hatchless in design.