Application-specific modules for both digital cable devices

摘要

There is disclosed, for use in a digital cable set top box coupled to a television set, a removable circuit apparatus capable of being inserted into a point of deployment (POD) host interface associated with the digital cable set top box, the removable circuit apparatus comprising: 1) a point of deployment (POD) module interface capable of mating with the POD host interface; 2) a data processor coupled to the POD module interface and capable of transmitting to the digital cable set top box at least one of an audio signal and a video signal capable of being displayed on a screen of the television set; and 3) a memory coupled to the data processor capable of storing a user POD application program executable by the data processor.