Abstract: The present invention includes an a plurality of first variable speed motors arranged in a first matrix pattern and mounted on a tail boom of the helicopter; one or more fixed pitch blades attached to each of the plurality of first variable speed motors; and wherein a speed of one or more of the plurality of first variable speed motors is varied to provide an anti-torque thrust.

Abstract: The present invention includes an anti-torque assembly for a helicopter comprising a plurality of fixed blade pitch motors mounted on one or more pivots on the tail boom of the helicopter, wherein the plurality of fixed blade pitch motors on the one or more pivots are adapted to be oriented substantially in-plane with a tail boom of a helicopter during a first mode of operation that comprises a hover mode and wherein the fixed blade pitch motors are adapted to be oriented substantially off-plane from the tail boom of the helicopter during a second mode of helicopter operation that is different from the first mode.

Abstract: A coaxial cable connector for coupling an end of a coaxial cable to a terminal is disclosed. The connector has a post assembled with a coupler. The post is adapted to receive an end of the coaxial cable and comprises a front end, an enlarged shoulder at the front end, and a plurality of contacting portions. The contacting portions are of monolithic construction with the post, collectively circumscribe the enlarged shoulder at the front end of the post, and extend in a generally perpendicular orientation with respect to a longitudinal axis of the connector. The coupler is rotatably attached to the post and comprises an internally projecting lip, having a forward facing surface, adapted to couple the connector to the terminal. The contacting portions are configured to contact the forward facing surface of the lip of the coupler.

Abstract: Coring augers, tools, methods, and connectors for preparing an end of a coaxial cable for introduction of a flowable medium into the end are disclosed. The disclosed methods and tools may form a frustoconical dielectric portion at an end of the coaxial cable. An annular space formed between the outer conductor and the frustoconical dielectric portion may facilitate the introduction of the flowable medium into the annular space. The disclosed methods and tools may also flare an outer conductor at the end of the coaxial cable and engage the flared outer conductor in a corresponding flared connector.

Abstract: Connectors including apertures for grounding outer conductors of conduits and connectors including grounding grooves for grounding outer conductors of conduits are disclosed. In some embodiments, a connector includes a bore, a gripping portion axially surrounding the bore, a generally cylindrical aperture for receiving a grounding wire, and a securing port for securing the grounding wire in the aperture. An exterior gripping surface of the gripping portion is symmetric. The generally cylindrical aperture extends along an aperture centerline through at least a portion of the gripping portion. The securing port extends along a securing port centerline and intersects the generally cylindrical aperture. In other embodiments, a connector includes a grounding groove extending at least partially around an outer diameter of the connector that is adapted to receive the grounding wire, and a securing port longitudinally offset from the grounding groove and extending along a securing port centerline.

Abstract: Systems and devices configured to implement techniques for ensuring the completion of transactions while minimizing latency and power consumption are described. A device may be operably coupled to a bidirectional communications bus. A bidirectional communications bus may include a clock line and a data line. The device may be configured to determine if an initiated transaction corresponds to a device in a low power state. The device may pause the transaction. The device may replay portions of the transaction when the device is in an appropriate power state. The device may replay portions of the transaction using an override interface.

Abstract: A coaxial cable connector comprising an assembled coupler, body, and post is provided. The back end of the post and the back end of the body are adapted to receive an end of a coaxial cable. The coupler further comprises a central passage, a lip with a forward facing surface and a rearward facing surface, and a bore forward of the lip, and is adapted to couple the connector to a coaxial cable terminal. The post further comprises a collar portion and an enlarged shoulder disposed forward of the lip of the coupler within the bore of the coupler. The enlarged shoulder of the post is disposed forward of the collar portion of the post. A contacting portion of the post comprises an extension of the collar portion of the post and at least a portion of the enlarged shoulder of the post comprises a proximity feature.

Abstract: Connectors and methods for attaching connectors to one or more cables and/or conduits are disclosed. The disclosed connectors and methods may secure an outer surface of the cable (e.g., an outer jacket of a cable) or conduit.

Abstract: A surge-protected coaxial termination includes a metallic outer body, a center conductor extending through a central bore of the outer body, and a spark gap created therebetween to discharge high-voltage power surges. A plurality of dielectric insulators surrounds the center conductor on opposite sides of the spark gap. High impedance inductive zones surround the spark gap to form a T-network low pass filter that nullifies the additional capacitance of the spark gap. An enlarged portion of a center conductor mitigates deleterious effects of arcing. An axial, carbon composition resistor is disposed inside the outer body, and inside the dielectric insulator to absorb the RF signal, and prevent its reflection.

Abstract: A coaxial cable connector comprising an assembled coupler, body, and post is provided. The back end of the post and the back end of the body are adapted to receive an end of a coaxial cable. The coupler further comprises a central passage, a lip with a forward facing surface and a rearward facing surface, and a bore forward of the lip, and is adapted to couple the connector to a coaxial cable terminal. The post further comprises a collar portion and an enlarged shoulder disposed forward of the lip of the coupler within the bore of the coupler. The enlarged shoulder of the post is disposed forward of the collar portion of the post. A contacting portion of the post comprises an extension of the collar portion of the post and at least a portion of the enlarged shoulder of the post comprises a proximity feature. The contacting portion of the post contacts the bore of the coupler and bends towards the front end of the connector when the post is assembled with the coupler.

Abstract: Coaxial cables and coaxial cable connectors are disclosed. In one embodiment, a connector includes a body portion having a first end and a second end and defining a bore, a contact member having a circumferential portion and at least one protruding member, an inner sleeve, a rotatable coupling nut, and a conductor retaining member. The at least one protruding member protrudes from the circumferential portion toward the second end of the body portion and within the bore. The rotatable coupling nut is rotatably coupled to the inner sleeve and electrically coupled to the contact member. The conductor retaining member is centrally disposed within the inner sleeve, and is configured to receive an inner conductor of the co-axial cable such that the inner conductor is free to pass through the conductor retaining member in a first direction, and restricted from passing through the conductor retaining member in a second direction.

Abstract: Connectors and methods for attaching connectors to one or more cables and/or conduits are disclosed. The disclosed connectors and methods may secure an outer surface of the cable (e.g., an outer jacket of a cable) or conduit. A front coupler sleeve engages a sub-assembly comprising a back coupler sleeve and an actuator sleeve disposed around the cable or conduit. During engagement of an inner surface of the front coupler sleeve and an outer surface of the back coupler sleeve, an at least partially annular protrusion of the back coupler sleeve is displaced radially inwardly to secure the outer surface of the cable or conduit.

Abstract: A surge-protected coaxial termination includes a metallic outer body, a center conductor extending through a central bore of the outer body, and a spark gap created therebetween to discharge high-voltage power surges. A plurality of dielectric insulators surrounds the center conductor on opposite sides of the spark gap. High impedance inductive zones surround the spark gap to form a T-network low pass filter that nullifies the additional capacitance of the spark gap. An enlarged portion of a center conductor mitigates deleterious effects of arcing. An axial, carbon composition resistor is disposed inside the outer body, and inside the dielectric insulator to absorb the RF signal, and prevent its reflection.

Abstract: A coaxial cable connector comprising an assembled coupler, body, and post is provided. The back end of the post and the back end of the body are adapted to receive an end of a coaxial cable. The coupler further comprises a central passage, a lip with a forward facing surface and a rearward facing surface, and a bore forward of the lip, and is adapted to couple the connector to a coaxial cable terminal. The post further comprises a collar portion and an enlarged shoulder disposed forward of the lip of the coupler within the bore of the coupler. The enlarged shoulder of the post is disposed forward of the collar portion of the post. A contacting portion of the post comprises an extension of the collar portion of the post and at least a portion of the enlarged shoulder of the post comprises a proximity feature. The contacting portion of the post contacts the bore of the coupler and bends towards the front end of the connector when the post is assembled with the coupler.

Abstract: Coring augers, tools, methods, and connectors for preparing an end of a coaxial cable for introduction of a flowable medium into the end are disclosed. The disclosed methods and tools may form a frustoconical dielectric portion at an end of the coaxial cable. An annular space formed between the outer conductor and the frustoconical dielectric portion may facilitate the introduction of the flowable medium into the annular space. The disclosed methods and tools may also flare an outer conductor at the end of the coaxial cable and engage the flared outer conductor in a corresponding flared connector.

Abstract: Connectors including apertures for grounding outer conductors of conduits and connectors including grounding grooves for grounding outer conductors of conduits are disclosed. In some embodiments, a connector includes a bore, a gripping portion axially surrounding the bore, a generally cylindrical aperture for receiving a grounding wire, and a securing port for securing the grounding wire in the aperture. An exterior gripping surface of the gripping portion is symmetric. The generally cylindrical aperture extends along an aperture centerline through at least a portion of the gripping portion. The securing port extends along a securing port centerline and intersects the generally cylindrical aperture.

Abstract: Tools and methods for stripping coaxial cables are provided. In one embodiment, a stripping tool includes and body portion and a clamping arm. The stripping tool further includes a stripping blade having a blade edge. The stripping blade extends from the body portion, and the blade edge is offset from the clamping arm at a distance d such that the blade edge enters the insulator layer of the coaxial cable when the coaxial cable is positioned between the clamping arm and the body portion. The stripping tool further includes a retention element disposed at the body portion at a position after the stripping blade along a cable insertion direction. The retention element is positioned to contact the outer layer of an end portion of the coaxial cable when the coaxial cable is positioned between the clamping arm and the body portion and the stripping tool is in the closed position.

Abstract: Coaxial cables and coaxial cable connectors are disclosed. In one embodiment, a connector includes a body portion having a first end and a second end and defining a bore, a contact member having a circumferential portion and at least one protruding member, an inner sleeve, a rotatable coupling nut, and a conductor retaining member. The at least one protruding member protrudes from the circumferential portion toward the second end of the body portion and within the bore. The rotatable coupling nut is rotatably coupled to the inner sleeve and electrically coupled to the contact member. The conductor retaining member is centrally disposed within the inner sleeve, and is configured to receive an inner conductor of the co-axial cable such that the inner conductor is free to pass through the conductor retaining member in a first direction, and restricted from passing through the conductor retaining member in a second direction.

Abstract: A coaxial cable connector for coupling an end of a coaxial cable to a terminal is disclosed. The connector has a post assembled with a coupler. The post is adapted to receive an end of the coaxial cable and comprises a front end, an enlarged shoulder at the front end, and a plurality of contacting portions. The contacting portions are of monolithic construction with the post, collectively circumscribe the enlarged shoulder at the front end of the post, and extend in a generally perpendicular orientation with respect to a longitudinal axis of the connector. The coupler is rotatably attached to the post and comprises an internally projecting lip, having a forward facing surface, adapted to couple the connector to the terminal. The contacting portions are configured to contact the forward facing surface of the lip of the coupler.

Abstract: A device for processing graphics data may include a plurality of graphics processing units. The device may include a fan to dissipate thermal energy generated during the operation of the plurality of graphics processing units. Each of the plurality of graphics processing units may generate a pulse width modulated signal to control the speed of the fan. The device may include one or more monitoring units configured to monitor a signal controlling the speed of the fan. One or more of the plurality of pulse width modulated signals may be adjusted based on the monitored signal. One or more of the plurality of pulse width modulated signals may be adjusted such that a signal controlling the fan maintains a desired duty cycle.