Abstract: A measurement system includes an atomizer, an impactor, a particle counter, and a discharge reservoir. The atomizer has a liquid intake port and a gas intake port configured to aerosolize a liquid received at the liquid intake port. The impactor has an inlet coupled to the atomizer and has a first output port and a second output port. The impactor is configured to separate droplets wherein those droplets smaller than a selected cut point are directed to the first output port and those droplets larger than the selected cut point are directed to the second output port. The particle counter is coupled to the first output port and is configured to count particles larger than at least one particle size cut point. The discharge reservoir is coupled to the second output port.

Abstract: An alarm clock is mounted above a bed and uses a thermal sensor to identify the location of each person sleeping in the bed and to direct light and sound to only one of them for the purpose of selectively waking only that individual. A platform is driven to scan across the bed, and has an infrared sensor creating a temperature profile with a thermal signature indicating the position of each occupant. Platform electronics generate a narrow beam LED light, and an array of ultrasonic speakers serves as a parametric speaker producing a narrow sound beam heard only by the targeted sleeper. At a preset time the alarm is triggered and the platform is pointed at the targeted sleeper identified by his or her infrared thermal signature. The LED light is driven from low to high to simulate dawn. Following maximum brightness, the parametric speaker emits a wake-up audio.

Abstract: A tarp assembly for container trucks comprising a roll-up assembly that is mounted to the top of a fixed-height gantry framework, the gantry framework being welded to the frame of the truck in front of the tilt frame of the truck. A manual crank assembly is mounted to a bracket extending from a lower portion of the gantry framework and is operatively connected to the shaft of the roll-up assembly by a continuous chain and sprockets.

Abstract: A box-like container of corrugated plastic web having a pair of side walls and end walls is provided. The first side wall has a fold with a rectangular flap hingeably mounted thereto; each end wall has a hingeably mounted end flap having a slant edge terminating in an off-center blunt apex. The other side wall has a hingeably mounted triangular flap which terminates in a blunt substantially central apex. Accordingly, the first side flap is foldable toward the container and the end flaps are foldable thereover to define a substantially central slot with the first side flap and the (second side) triangular flap is foldable over the other flaps with the central apex being insertable into the slot to interleave the other flaps in an interlocking configuration.In one embodiment the container has top flaps and similar bottom flaps mounted to the container walls, which flaps are recloseable to form a closed container and openable to permit the container to be compressed into lay-flat form.