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A common application is in lighting, where it allows the control of lamps from multiple locations, for example in a hallway, stairwell, or large room. In contrast to a simple light switch , which is a single pole, single throw (SPST) switch, multiway switching uses switches with one or more additional contacts and two or more wires are run ...
Hopper is a line of multi-tuner set-top boxes first introduced in 2012; they are digital video recorders that can be networked with accompanying "Joey" set-top boxes for multi-room access to recordings. DISH Network subsequently introduced updated versions of the Hopper, including Hopper with Sling (which adds integrated placeshifting ...
In larger lighting systems, for example warehouses or outdoor lighting systems, the required current may be too high for a manual switch. In these systems light switches control lighting contactors, a relay that allows the manual light switch to operate on a lower current, with smaller wiring than would be required in the main lighting circuit.
The Hopper contains three satellite tuners, and can be networked with up to 3 smaller set-top boxes, known as a Joey, as clients for whole-home DVR access; they are attached to the main Hopper unit via coaxial cable. It also includes an Ethernet port, and eSATA and USB ports for attaching external storage. A Zigbee-based RF remote control is
In order for the light beam to be received by the monitor, the remote control had to be directed towards one of the four photocells. The system responded to full-spectrum light so it could be activated or interfered with by other light sources including indoor light bulbs and the sun. Despite these defects, the Flash-matic remained in high demand.
A lighting control system is intelligent network-based lighting control that incorporates communication between various system inputs and outputs related to lighting control with the use of one or more central computing devices. Lighting control systems are widely used on both indoor and outdoor lighting of commercial, industrial, and ...
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Table lamp fixtures, standard lamp fixtures, and office task light luminaires. Balanced-arm lamp is a spot light with an adjustable arm such as anglepoise, RAMUN or Luxo L1. Gooseneck (fixture) Nightlight; Floor Lamp Torch lamp or torchières are floor lamps with an upward-facing shade. They provide general lighting to the rest of the room ...