Abstract: A LIDAR system includes a light source configured to generate a plurality of laser beams arranged in a beam pattern, a rotatable deflector configured to rotate about a scanning axis, a beam rotator configured to cause rotation of the beam pattern of the plurality of laser beams relative to the scanning axis of the rotatable deflector and at least one sensor configured to receive, via the rotatable deflector and the beam rotator, laser light resulting from one or more of the plurality of laser beams reflected from at least one object in the field of view of the LIDAR system wherein the multibeam array is maintained at a substantially fixed orientation with respect to the optical axis.

Abstract: Drip emitter for periodic, volumetrically-timed, irrigation and drip irrigation laterals comprising such emitters, wherein the drip emitter implement a water-accumulation chamber as a hydro-mechanical timer and comprises in addition, a first no-drain valve positioned on the downstream side of the irrigation water inlet to the drip emitter, a second valve located on the downstream side of the irrigation water flow path in the drip emitter, and a water drain that connects to the flow of irrigation water from one side of an elastic member in the emitter's water-accumulation chamber to the second valve, in a manner that helps to close it.

Abstract: A drip irrigation emitter comprises an emitter inlet, an emitter outlet, an irrigation fluid path extending therebetween including a pressure-reducing mechanism configured to convert fluid flow entering the emitter inlet under pressure, into a drip flow from the outlet. The emitter further comprises a fluid-accumulation chamber having at least one chamber orifice configured for being brought into fluid communication with an exterior of the emitter for receiving therefrom an accumulatable fluid and further configured to allow introduction of the accumulatable fluid into the chamber via the orifice.