Home video system
作者： James R. Stubbs , Thomas R. Terry
DOI:
关键词: Transmission channel 、 Computer hardware 、 Signal 、 Trap (computing) 、 Interface (computing) 、 Scrambling 、 Electronic engineering 、 Data circuit-terminating equipment 、 Set (abstract data type) 、 Large capacity 、 Engineering
摘要: A home video system comprising a headend system, transmission channel, trap, converter, descrambling equipment, receiving and requesting equipment. The equipment includes program interface protection scrambling processor channel has large capacity for broadcast signal. signal plurality of standard signals occupying first set channels special second channels. originates the braodcast is coupled between interfaces from with channel. prevents recording signals. scrambles tracks pay-per-view subscriber usage system.
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