Abstract: A drill bit changer system for a drill rig includes a drill bit storage holder rotatably and pivotally mounted to the drill rig and a plurality of bit holder assemblies located within the drill bit storage holder. Each bit holder assembly includes a receptacle, wherein the plurality of bit holder assemblies are arranged to receive a drill bit in each receptacle. The drill bit storage holder is pivotally connected between a stowed position and an engaged position in which the drill bit is positioned at a drill string of the drill rig, wherein the drill bit storage holder is further indexable to present a respective receptacle at the drill string such that the drill bit is added or removed from the drill string. A method of changing a drill bit is also disclosed.

Abstract: In a particular implementation, an apparatus to control clamping devices includes a first control circuit and a second control circuit. The first control circuit is responsive to a detection signal and generates a first drive signal to control a body diode of a clamping device. The second control circuit is responsive to the detection signal and generates a second drive signal to control the gate terminal of the clamping device.

Abstract: In some embodiments, a method for determining a location of an unmanned system (UMS) can include: receiving data from a plurality of data sources, wherein the data sources include a geolocation sensor and at least one of an RF receiver, a RADAR system, a LIDAR system, a SONAR system, an infrared camera, a Simultaneous Location and Mapping Algorithm (SLAM) system, an inertial sensor, or an acoustic sensor; determining a reliability of one or more of the data sources based on the received data; assigning weights to the data sources based at least in part on the determination of the reliability of the one or more data sources; and determining the location of the UMS using the received data and the assigned weights.

Abstract: The present disclosure presents a barrel assembly for a firearm. The barrel assembly includes a barrel having an internal bore and an external surface, and a recoil spring lug affixed to an outside surface of the barrel. The barrel assembly also includes a slide moveably mounted relative to the barrel, and a recoil spring biased on the recoil spring lug and the slide.

Abstract: An integrated circuit includes one or more portions having error detection and error correction circuits and which is operated with operating parameters giving finite non-zero error rate as well as one or more portions formed and operated to provide a zero error rate.

Abstract: An integrated circuit includes one or more portions having error detection and error correction circuits and which is operated with operating parameters giving finite non-zero error rate as well as one or more portions formed and operated to provide a zero error rate.

Abstract: In a particular implementation, an apparatus to control clamping devices includes a first control circuit and a second control circuit. The first control circuit is responsive to a detection signal and generates a first drive signal to control a body diode of a clamping device. The second control circuit is responsive to the detection signal and generates a second drive signal to control the gate terminal of the clamping device.

Abstract: Various implementations described herein are directed to a device having a charge pump and a capacitor. The charge pump may be configured for coupling between first and second power sources. The capacitor may be configured for coupling between the first power source and an input of the charge pump. In an energy harvest mode, the charge pump may decouple from the first and second power sources, and the first power source may charge the capacitor with a first voltage while the charge pump is decoupled from the first and second power sources. In an energy transfer mode, the charge pump may couple to the capacitor and the second power source to transfer the first voltage from the capacitor to the second power source during discharge of the first voltage from the capacitor.

Abstract: Subject matter disclosed herein may relate to arithmetic units of processors, and may relate more particularly to configurable arithmetic units. Configurable arithmetic units may comprise a plurality of basic units, and may further comprise a programmable fabric to selectively connect the plurality of basic units at least in part to process one or more sets of parameters in accordance with one or more specified arithmetic operations.

Abstract: Systems and methods for electronic devices are presented. A device includes a substrate. An Indium Gallium Nitride (InGaN) nanoring is formed over the substrate. The InGaN nanoring includes an alloy of Indium Nitride (InN) and Gallium Nitride (GaN). The alloy includes at least 6 percent Indium. A GaN layer may be formed over the InGaN nanoring, and a first electrode is formed over the GaN layer. In one embodiment, the alloy includes less than about 70 percent Indium.

Abstract: Various implementations described herein are directed to an integrated circuit. The integrated circuit may include clock circuitry having a first plurality of logic components arranged to receive a low voltage supply, a data input signal and a clock input signal and to provide a first plurality of intermediate signals and multiple intermediate clock signals. The integrated circuit may include level converter core circuitry having voltage biasing circuitry and voltage control circuitry arranged to receive a high voltage supply, the first plurality of intermediate signals and the multiple intermediate clock signals and to provide a second plurality of intermediate signals. The integrated circuit may include latch circuitry having a second plurality of logic components arranged to receive the high voltage supply, the low voltage supply and the second plurality of intermediate signals and to provide a data output signal.

Abstract: A barrel bushing and retained bias assembly are provided for engaging a barrel of a firearm to accommodate relative longitudinal movement of the barrel bushing and the barrel. The barrel bushing includes a retaining channel for retaining the bias assembly, such that a portion of the bias assembly extends into a bore of the barrel bushing to contact and be partly compressed by the outside diameter of the barrel.

Abstract: Various implementations described herein are directed to an integrated circuit. The integrated circuit may include clock circuitry having a first plurality of logic components arranged to receive a low voltage supply, a data input signal and a clock input signal and to provide a first plurality of intermediate signals and multiple intermediate clock signals. The integrated circuit may include level converter core circuitry having voltage biasing circuitry and voltage control circuitry arranged to receive a high voltage supply, the first plurality of intermediate signals and the multiple intermediate clock signals and to provide a second plurality of intermediate signals. The integrated circuit may include latch circuitry having a second plurality of logic components arranged to receive the high voltage supply, the low voltage supply and the second plurality of intermediate signals and to provide a data output signal.

Abstract: An ocular implant including an intraocular pressure sensor and having an inlet portion and a Schlemm's canal portion distal to the inlet portion, the inlet portion being disposed at a proximal end of the implant and sized and configured to be placed within an anterior chamber of a human eye, the Schlemm's canal portion being arranged and configured to be disposed within Schlemm's canal of the eye when the inlet portion is disposed in the anterior chamber.

Abstract: The present disclosure presents a barrel assembly for a firearm. The barrel assembly includes a barrel having an internal bore and an external surface, and a recoil spring lug affixed to an outside surface of the barrel. The barrel assembly also includes a slide moveably mounted relative to the barrel, and a recoil spring biased on the recoil spring lug and the slide.

Abstract: The present disclosure presents a firearm. The firearm includes a frame having a handle and a slide rail guide, the slide rail guide comprising two parallel grooves extending through a long axis of the frame, and a slide having a long axis, the slide comprising two parallel slide rails extending through the long axis of the slide, the two parallel slide rails operable for slidably engaging the two parallel grooves. The firearm also includes a first spacer, the first spacer fixedly attached to one of the frame and the slide, the first spacer operable to slidably engage the slide rails and the slide rail guide providing a first gap between one of the slide rails and the one of the grooves and a second spacer.

Abstract: Various implementations described herein are directed to an integrated circuit. The integrated circuit may include a first voltage source providing a first voltage having a first polarity. The integrated circuit may include a second voltage source providing a second voltage having a second polarity that is opposite the first polarity. The integrated circuit may include a first circuit portion configured to receive the first and second voltages and provide one or more feedback voltages. The integrated circuit may include a second circuit portion configured to receive the first and second voltages along with the one or more feedback voltages and provide an output voltage that is proportional to the first voltage based on a rational conversion ratio that is derived by selection of at least one of the first and second voltages and the one or more feedback voltages.

Abstract: Subject matter disclosed herein may relate to arithmetic units of processors, and may relate more particularly to configurable arithmetic units. Configurable arithmetic units may comprise a plurality of basic units, and may further comprise a programmable fabric to selectively connect the plurality of basic units at least in part to process one or more sets of parameters in accordance with one or more specified arithmetic operations.

Abstract: A barrel bushing and retained bias assembly are provided for engaging a barrel of a firearm to accommodate relative longitudinal movement of the barrel bushing and the barrel. The barrel bushing includes a retaining channel for retaining the bias assembly, such that a portion of the bias assembly extends into a bore of the barrel bushing to contact and be partly compressed by the outside diameter of the barrel.

Abstract: The present disclosure presents a gun sight and a method of forming a gun sight. The gun sight includes a sight body, and a diamond affixed to the sight body at a predetermined location to facilitate aiming. The gun sight may further include a mount, wherein the diamond is retained in the mount and the mount is connected or coupled to the sight body.