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Harmony 670, a universal remote.. A universal remote is a remote control that can be programmed to operate various brands of one or more types of consumer electronics devices. . Low-end universal remotes can only control a set number of devices determined by their manufacturer, while mid- and high-end universal remotes allow the user to program in new control codes to the rem
Universal Remote Console (URC) is a standard for defining alternative user interfaces for devices that can be used remotely. In the vocabulary of URC, the remote devices are called "controllers", while the devices they control are called "targets". The controller presents a user interface for the target that can be an alternative in various ...
The remote control code, and thus the required remote control device, is usually specific to a product line. However, there are universal remotes , which emulate the remote control made for most major brand devices.
JP1 remote. A JP1 remote is a type of universal remote, usually with a six-pin interface connector labeled "JP1" in the battery compartment, manufactured by Universal Electronics Inc. The JP1 interface allows the remote to be reprogrammed, adding new code lists and functions. Home theater hobbyists use JP1 to avoid obsolescence.
Logitech Harmony 1000. Logitech Harmony is a line of remote controls and home automation products produced by Logitech.The line includes universal remote products designed for controlling the components of home theater systems (including televisions, set-top boxes, DVD and Blu-ray players, video game consoles) and other devices that can be controlled via infrared, as well as newer smart home ...
CORE remote control. Owner. Steve Wozniak. CL 9 was a company that developed a universal TV remote control. It was started by Steve Wozniak, co-founder of Apple Inc. and designer of the Apple I and Apple II personal computers. CL 9 was in business for three years, from 1985 to 1988, launching the 6502 -based CL 9 CORE remote control in 1987 ...
Each bit of the RC-5 code word contains 32 carrier pulses, and an equal duration of silence, so the bit time is 64×27.778 μs = 1.778 ms, and the 14 symbols (bits) of a complete RC-5 code word take 24.889 ms to transmit. The code word is repeated every 113.778 ms (4096 ÷ 36 kHz) as long as a key remains pressed.
Rolling code. A rolling code (or sometimes called a hopping code) is used in keyless entry systems to prevent a simple form of replay attack, where an eavesdropper records the transmission and replays it at a later time to cause the receiver to 'unlock'. Such systems are typical in garage door openers and keyless car entry systems.