"rf" redirects here. for other uses, see rf (disambiguation) . radio frequency (rf) is the oscillation rate of an alternating electric current or voltage or of a magnetic , electric or electromagnetic field or mechanical system in the frequency range from around khz to around ghz . this is roughly between...
offer a limited range. the red button graphic can be removed from your screen by one simple action, dependent on the platform you are watching on: sky - press the back up button virgin media - press the blue button freeview - press the back or green buttons freesat - press the back or green buttons for...
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, distribution apparatus, playback method, and non-transitory computer readable storage medium patent number: abstract: an information processing apparatus includes a determination unit configured to determine a playback mode of sound included in content. the information processing apparatus includes...
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/e . ) interface circuits between an apparatusfor recording and another apparatus (epo) (class /e . ) television signal processing therefor (epo) (class /e . ) using magnetic recording (epo) (class /e . ) using electrostatic recording (epo) (class /e . ) using holographic recording (epo) (class /e...