to an on-set box, the viewer sends signals from the remote, through the cable, to the Arroyo Server at Cablevision's central facility. See id. In this respect, RS-DVR more closely resembles a VOD service, whereby a cable subscriber uses his remote and cable box to request transmission of content, such as a movie, stored on computers at the cable company's facility. Id. at 612. But unlike a VOD service, RS-DVR users can only play content that they previously requested to be recorded.
Cablevision has some control over the content available for recording: a customer can only record programs on the channels offered by Cablevision (assuming he subscribes to them). Cablevision can also modify the system to limit the number of channels available and considered doing so during development of the RS-DVR. Id. at 613.
II. The District Court's Decision
In the district court, plaintiffs successfully argued that Cablevision's proposed system would directly infringe their copyrights in three ways. First, by briefly storing data in the primary ingest buffer and other data buffers integral to the function of the RS-DVR, Cablevision would make copies of protected works and thereby directly infringe plaintiffs' exclusive right of reproduction under the Copyright Act. Second, by copying programs onto the Arroyo Server hard disks (the "playback copies"), Cablevision would again directly infringe the reproduction right. And third, by transmitting the data from the Arroyo Server hard disks to its RS-DVR customers in response to a
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