Patent ReferencesTelevision program transmission verification method and apparatus Video system Apparatus for processing video signals having different aspect ratios Patent #: 5347318 InventorsApplicationNo. 269814 filed on 06/30/1994US Classes:348/556, For format with different aspect ratio348/558Format detectionExaminersPrimary: Kostak, Victor R.Attorney, Agent or FirmInternational ClassH04N 005/46Foreign Application Priority Data1993-06-30 FRAbstractA system for receiving and decoding digital signals in accordance with two image definition levels. The system includes a transmission channel decoding sub-assembly; a source decoding sub-assembly for decoding signals of a higher definition level or signals of a lower definition level; a device for displaying the decoded signals available at the output of this sub-assembly; at a second output of the sub-assembly, a device for detecting errors during source decoding, followed, in series, by a decision circuit for controlling the switch in accordance with the output signal of said error detection device, as well as for controlling the change-over of the decoding sub-assembly from one of the two source decoding modes to the other. | |