The main technology used in home remote controls is infrared (IR) light. The signal between a remote control handset and the device it controls consists of pulses of infrared light, which is invisible to the human eye, but can be seen through a digital camera, video camera or a phone camera.
What is the meaning of infrared remote control?
Definition of: IR remote control. IR remote control. (InfraRed remote control) A handheld, wireless device used to operate audio, video and other electronic equipment within a room using light signals in the infrared (IR) range. Infrared light requires line of sight to its destination.
When was the remote control invented by Tesla?
In September, 1898, at Madison Square Garden, Nikola Tesla revealed a new invention: a radio-controlled torpedo boat. It was the first demonstration of wireless remote control in history, and it caused, in Tesla’s words, “a sensation such as no other invention of mine has ever produced.”
How long do automatic garage door openers last?
On average, a garage door opener should last about 10 – 15 years. Some last longer and some last a shorter amount of time, but keeping up with maintenance can help increase the lifespan. If moving parts aren’t lubricated, the door isn’t balanced correctly, etc., the opener tends to wear out more quickly.