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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.
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 re
The article has that Philips Magnavox made the first universal remote (and indicates they may have), but Steve Wozniak in his book iWoz, 2006, claims that he was "the first to make what is now known as a universal remote control" (p262).
A JP1 Remote Control. 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.
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".
Digital Command Center and the Dimensia Digital Control. The Digital Command Center was a very large remote control introduced for RCA's high-end television sets; in 1983 for the Colortrak 2000 and the SJT400 CED player [1] and in 1984 for the Dimensia Lyceum TV sets.
For example, an ECC81 manufactured as a special quality (SQ) tube would usually be designated 'E81CC'. The system was not universal as other special quality designation systems existed. An EF91 in its special quality version was designated 'M8083' (the 'M' meant Military) as in this case the standard EF91 was derived from the M8083 military design.
Universal code (data compression), a fixed prefix code that, for any probability mass function, has a data compression ratio within a constant of the optimal prefix code; Universal source coding, a data compression method that asymptotically approaches the data compression ratio of the optimal data compression method, e.g., LZ77 and LZ78