| 摘要 |
<p>A companion device (STB 202) provides enhanced features to a standard set top box (STB 102), such as Internet access, Video-on-Demand (VoD), E-mail, an Electronic Programming Guide (EPG), Personal Video Recording (PVR), video/teleconferencing, and the like, all without retrofitting or replacing the STB (STB 102). The companion device may include, for instance, a cable modem (232), a storage device (228), an encoder (222), a decoder (230), a remote control simulator, a channel-change sensor, and a various software modules, such as a Web browser (244), an E-mail client (246), an EPG client (248), a PVR module (250), a VoD module (252), and a video/teleconferencing module (410).</p> |
