Telecommunications – Radiotelephone system – Including personal numbering system
Reexamination Certificate
2007-01-02
2007-01-02
Milord, Marceau (Department: 2618)
Telecommunications
Radiotelephone system
Including personal numbering system
C455S404200, C455S003040, C455S464000, C604S317000, C356S300000, C380S200000
Reexamination Certificate
active
10978669
ABSTRACT:
Content is distributed from a source to a sink only if the sink is within a predetemined distance from a source. In one embodiment, a control signal is sent over a limited range channel to the sink and the content is then sent only if the control signal is received properly by the sink. In another embodiment, the content is encrypted and the encryption key is sent over the limited range channel. The content is also sent to the sink, but the sink cannot decode the content unless it has a proper copy of the decoding key. The control signal can be sent over a wireless channel, an IR channel, or an AC line. The content is sent over the Internet, either using a standard wired channel or over a wireless channel.
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International Search Report dated Aug. 2, 2005; in corresponding PCT/US04/36271 filed Nov. 1, 2004; published as WO 2005/043797 on May 12, 2005; Applicant: Warner Bros. Entertainment Inc.; Inventors: Spencer Stephens, Alan Bell.
PCT Written Opinion dated Aug. 2, 2005; in corresponding PCT/US04/36271 filed Nov. 1, 2004; published as WO 2005/043797 on May 12, 2005; Applicant: Warner Bros. Entertainment Inc.; Inventors: Spencer Stephens, Alan Bell.
Bell Alan
Stephens Spencer
Gottlieb Rackman & Reisman P.C.
Milord Marceau
Warner Bros. Entertainment Inc.
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