Abstract: A friction drive transmission includes a drive pulley having an engaging face, a tip plate that supports the drive pulley and is configured to pivot about a pivot axis that is parallel to an axis of rotation of the engaging face of the drive pulley, and a friction ring that drives an axle. The friction ring may contact the engaging face of the drive pulley and may be moveable relative to the engaging face of the drive pulley to transition between forward rotation and reverse rotation. When the friction ring moves into a reverse rotation position for reverse rotation of the axle, the tip plate may pivot, with the drive pulley, about the pivot axis from a first position into a second position. The first position may be different from the second position.

Abstract: A friction drive transmission includes a drive pulley having an engaging face, a tip plate that supports the drive pulley and is configured to pivot about a pivot axis that is parallel to an axis of rotation of the engaging face of the drive pulley, and a friction ring that drives an axle. The friction ring may contact the engaging face of the drive pulley and may be moveable relative to the engaging face of the drive pulley to transition between forward rotation and reverse rotation. When the friction ring moves into a reverse rotation position for reverse rotation of the axle, the tip plate may pivot, with the drive pulley, about the pivot axis from a first position into a second position. The first position may be different from the second position.

Abstract: Mid-air ultrasonic haptic devices operate by manipulating an acoustic field to produce a haptic effect on a user. Addressing mid-air haptic devices which abstracts the most basic acoustic fundamental from that of a point to a “primitive” provides tools to adjust shape, location, and amplitude. A primitive can be designed to provide a haptic effect at the location targeted, removing the requirement of the designer needing to understand methods to create a haptic sensation. Further, a control scheme for a set of dynamic acoustic phased-array solvers is presented which enables a distributed system to compensate for unwanted time-of-flight artifacts at low cost. This is achieved by recursively subdividing the system into subtrees of phased-array nodes whose output can be estimated and the desired field drive distributed amongst the nodes.

Abstract: A working machine having a base assembly including a ground engaging structure; an undercarriage connected to the ground engaging structure; a superstructure connected to the undercarriage; a working arm mounted to the superstructure; a connector connecting the undercarriage to the superstructure; and a drive arrangement located in the base assembly for moving the ground engaging structure to propel, in use, the working machine.

Abstract: A counterweight assembly for a working machine comprising a counterweight having a mass for counterbalancing a working arm of the working machine, the counterweight comprising a mounting arrangement for the mounting of a heat exchanger thereon and defining an air flow path having an inlet and an outlet to permit air to flow through the heat exchanger when mounted thereon.

Abstract: A working machine having a base assembly including a ground engaging structure; an undercarriage connected to the ground engaging structure; a superstructure connected to the undercarriage; a working arm mounted to the superstructure; a connector connecting the undercarriage to the superstructure; and a drive arrangement located in the base assembly for moving the ground engaging structure to propel, in use, the working machine.

Abstract: A working machine comprising: a base assembly including a ground engaging structure; an undercarriage connected to the ground engaging structure; a superstructure connected to the undercarriage; a working arm mounted to the superstructure; a connector connecting the undercarriage to the superstructure; and a drive arrangement located in the base assembly for moving the ground engaging structure to propel, in use, the working machine.

Abstract: A radiation beam, for example a therapeutic radiation beam such as an IMRT or VMAT X-ray beam is monitored using a Monolithic Active Pixel Sensor (MAPS) detector. Photons of the radiation beam can interact with the MAPS detector, and the radiation beam configuration can be estimated from the determined positions of the interactions. The detector is made sufficiently thin that it interacts only very weakly with the X-ray photons. For example, less than 1 in 103 of the X-ray photons might interact with the detector. Hence, the disturbance to the X-ray beam is negligible.

Abstract: A working machine comprising: a base assembly including a ground engaging structure; an undercarriage connected to the ground engaging structure; a superstructure connected to the undercarriage; a working arm mounted to the superstructure; a connector connecting the undercarriage to the superstructure; and a drive arrangement located in the base assembly for moving the ground engaging structure to propel, in use, the working machine.

Abstract: A counterweight assembly for a working machine comprising a counterweight having a mass for counterbalancing a working arm of the working machine, the counterweight comprising a mounting arrangement for the mounting of a heat exchanger thereon and defining an air flow path having an inlet and an outlet to permit air to flow through the heat exchanger when mounted thereon.

Abstract: A radiation beam, for example a therapeutic radiation beam such as an IMRT or VMAT X-ray beam is monitored using a Monolithic Active Pixel Sensor (MAPS) detector. Photons of the radiation beam can interact with the MAPS detector, and the radiation beam configuration can be estimated from the determined positions of the interactions. The detector is made sufficiently thin that it interacts only very weakly with the X-ray photons. For example, less than 1 in 103 of the X-ray photons might interact with the detector. Hence, the disturbance to the X-ray beam is negligible.