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The light signal would activate one of the four control functions, which turned the picture and sound on or off, and turned the channel tuner dial clockwise or counter-clockwise. The bottom receptors received the signal to mute and power on/off, and the upper cells received signals to channel up/down. [3] In order for the light beam to be ...
His 1955 invention, marketed as the Flash-Matic, used visible light to remotely control a television outfitted with four photocells in the cabinet at the corners of the screen. Aiming the pistol-shaped control at an individual photocell could turn the receiver on and off, mute the sound and change the channel up or down.
Dimmer light switch with RF-based remote control [1] A wireless light switch is a light switch that commands a light or home appliance to turn itself off or on, instead of interrupting the power line going to the light fixture. There are different ways to communicate between the switch and the fixture: [2]
Noise, static or snow screen captured from a blank VHS tape. Noise, commonly known as static, white noise, static noise, or snow, in analog video, CRTs and television, is a random dot pixel pattern of static displayed when no transmission signal is obtained by the antenna receiver of television sets and other display devices.
The benefit of architectural lighting control systems in the theater is the ability for theater staff to turn worklights and house lights on and off without having to use a lighting control console. Alternately, the light designer can control these same lights with light cues from the lighting control console so that, for instance, the ...
The NFL playoff schedule is about to be set, with the wild-card dates and times for every matchup to be revealed during Week 18.
If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1270 ahead. Let's start with a few hints.
The cast of “Friends” is well known for being besties, but that developed over time. During an appearance on Dax Shepard’s “Armchair Expert” podcast, “Friends” star Lisa Kudrow ...