RF remote control


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RF remote control

(Radio Frequency remote control) A handheld, wireless device used to operate audio, video and other electronic equipment using radio frequency (RF) transmission. Unlike the common infrared (IR) remotes, RF remotes do not have to be aimed at the equipment.

RF Receivers (Base Stations) Are Required
Most A/V equipment is IR based and has an IR sensor on the front panel. Because RF remote control signals must wind up as IR signals at the IR sensors, an RF receiver (base station and antenna) accepts RF and converts it to IR. Receivers are wired to an "IR emitter" (flasher) pasted onto the sensor of each device or to an "IR blaster" located inside the home theater cabinet. The blaster reflects off the closed cabinet door, showering IR signals to all the devices at the same time. See IR remote control, Wi-Fi remote control and RF.


RF and IR
The MX-980 from Universal Remote Control (www.universalremote.com) can operate every piece of A/V equipment in a home theater. Programmed on screen (bottom) and downloaded via USB, this versatile unit transmits RF and IR signals simultaneously, and the user can even be in the next room.


RF and IR
The MX-980 from Universal Remote Control (www.universalremote.com) can operate every piece of A/V equipment in a home theater. Programmed on screen (bottom) and downloaded via USB, this versatile unit transmits RF and IR signals simultaneously, and the user can even be in the next room.








An IR Emitter
An IR emitter (left) is pasted onto the IR sensor on this DVD/VHS player. The wire traces back to a Home Theater Master RF base station that picks up the RF and converts it to infrared (IR). No matter whether the remote control is RF or IR, the signal winds up as IR at the equipment.
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References in periodicals archive ?
Therefore, in this paper a novel low power RF communication based on LPL for RF remote control, which is capable of minimizing RF standby power by switching the RF listening period adaptively according to the state of target systems, is proposed.
On top of that, RF remote controls can be made maintenance-free with a single watch-type battery that can outlast the lifetime of the remote.
Their only concern was the evil giant whose RF remote control could force them to play music they didn't even like and show their innermost soul on its colour display.
It can also be used as a pipe laser for runs up to 100 feet and grades up to 10 The AGATEC A710 features one-touch fully automatic leveling, rugged waterproof metal housing, and an RF remote control. If required, the user can calibrate the laser using the remote control, saving money and downtime.
The system includes five Acoustimass cube speakers, a music center with CD player, tuner and outputs for additional powered speakers, an RF remote control and an Acoustimass bass module with built-in amplification and electronics.