Abstract: A pet door is described herein comprising a motor for locking and unlocking a pet flap of a pet door, wherein the pet flap is rotatably attached to an upper portion of the pet door. The pet door includes a first motion detector for monitoring movement in a first detection region and a second motion detector for monitoring movement in a second detection region, wherein the pet flap of the pet door occupies a plane separating the first detection region from the second detection region when the pet flap is in a locked position. One or more applications running on at least one processor of the pet door are configured to receive a first motion signal from the first motion detector indicating movement of a pet in the first detection region, the receiving the first motion signal including activating an access sequence controlling ingress or egress of a pet.

Abstract: An edge-lit luminaire includes a housing, a lens, a light emitter, a first reflector, and a second reflector. The housing has a central opening that defines a central area. The lens includes a plurality of extraction features substantially evenly distributed over a lens area. The lens is positioned proximate the central opening, and the lens area is larger than the opening area. The light emitter is positioned adjacent the lens and configured to direct light in a direction generally orthogonal with respect to the central opening. The first reflector is positioned proximate a first surface of the lens distal the central opening. The first reflector substantially covers the first surface of the lens. The second reflector is positioned proximate a second surface of the lens opposite the first surface. The second reflector substantially covers the second surface of the lens outside of the central opening.

Abstract: An edge-lit luminaire includes a housing, a lens, a light emitter, a first reflector, and a second reflector. The housing has a central opening that defines a central area. The lens includes a plurality of extraction features substantially evenly distributed over a lens area. The lens is positioned proximate the central opening, and the lens area is larger than the opening area. The light emitter is positioned adjacent the lens and configured to direct light in a direction generally orthogonal with respect to the central opening. The first reflector is positioned proximate a first surface of the lens distal the central opening. The first reflector substantially covers the first surface of the lens. The second reflector is positioned proximate a second surface of the lens opposite the first surface. The second reflector substantially covers the second surface of the lens outside of the central opening.

Abstract: An edge-lit luminaire includes a housing, a lens, a light emitter, a first reflector, and a second reflector. The housing has a central opening that defines a central area. The lens includes a plurality of extraction features substantially evenly distributed over a lens area. The lens is positioned proximate the central opening, and the lens area is larger than the opening area. The light emitter is positioned adjacent the lens and configured to direct light in a direction generally orthogonal with respect to the central opening. The first reflector is positioned proximate a first surface of the lens distal the central opening. The first reflector substantially covers the first surface of the lens. The second reflector is positioned proximate a second surface of the lens opposite the first surface. The second reflector substantially covers the second surface of the lens outside of the central opening.

Abstract: An edge-lit luminaire includes a housing, a lens, a light emitter, a first reflector, and a second reflector. The housing has a central opening that defines a central area. The lens includes a plurality of extraction features substantially evenly distributed over a lens area. The lens is positioned proximate the central opening, and the lens area is larger than the opening area. The light emitter is positioned adjacent the lens and configured to direct light in a direction generally orthogonal with respect to the central opening. The first reflector is positioned proximate a first surface of the lens distal the central opening. The first reflector substantially covers the first surface of the lens. The second reflector is positioned proximate a second surface of the lens opposite the first surface. The second reflector substantially covers the second surface of the lens outside of the central opening.

Abstract: A perforated resin extrusion end plate (10) with a curved or arcuate perforated section suitable for use in making extruded foamed polymer strand foam bodies, extruded filled polymer strand articles of manufacture or extruded composites of fibrous organic material and a thermoplastic material such as a wood-plastic composite. The die plate does not fracture under conditions that produce fracturing of a flat perforated die plate with the same perforated area and thickness.

Abstract: Prepare a foam structure that includes hollow coalesced foam strands and, optionally, solid coalesced foam strands using an extrusion die block equipped with apertures that promote forming the hollow strands and, optionally, the solid foam strands.

Abstract: Prepare a foam structure that includes hollow coalesced foam strands and, optionally, solid coalesced foam strands using an extrusion die block equipped with apertures that promote forming the hollow strands and, optionally, the solid foam strands.