Patent ID: 7900237
Filing Date: 2011-03-01
Classification: G09G,H04N

Abstract:
1. A digital cable TV receiver in an open cable system, the digital cable TV receiver comprising: a POD module; and a host device comprising a controller and a plurality of HDMI ports linked to a plurality of peripheral devices respectively, wherein the controller generates HDMI status information and transmits the HDMI status information to the POD module when a diagnostic request for HDMI status is received from the POD module, wherein the host device transmits the HDMI status information to the POD module in response to the received diagnostic request through a CPU interface, the CPU interface including a generic diagnostic resource assigning diagnostic identifiers to corresponding diagnostic items, respectively, and wherein a single diagnostic identifier of the diagnostic identifiers is assigned to the HDMI status information, wherein the generic diagnostic resource enables the POD module to request that the host device generates the HDMI status information, wherein the HDMI status information includes audio coding format, audio sampling frequency and audio sample size associated with audio utilized on each of the HDMI ports, and wherein the HDMI status information further includes information indicating whether each of the peripheral devices linked to the each of HDMI ports uses HDMI or DVI, wherein when the HDMI status information includes multiple diagnostics corresponding to the plurality of HDMI ports, the multiple diagnostics are identified by the same diagnostic identifier, and wherein the HDMI status information comprises a host HDCP status field indicating whether HDCP is enabled on each of the HDMI ports and a device HDCP status field indicating a HDCP status of each of the peripheral devices connected to each of the HDMI ports.