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Bi-directional communication system, display apparatus, base apparatus and bi-directional communication method

DC
  • US 7,733,295 B2
  • Filed: 09/12/2006
  • Issued: 06/08/2010
  • Est. Priority Date: 07/17/2000
  • Status: Expired due to Term
First Claim
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1. A display apparatus bi-directionally communicating with a base apparatus to receive from said base apparatus an information signal derived from a television signal or Internet data supplied to said base apparatus, said display apparatus comprising:

  • a user-operable selector unit operable by a user for producing a selection signal;

    a storage unit for storing control panel image data containing base apparatus controlling information;

    an image readout unit for reading out from said storage unit and in response to said selection signal the control panel image represented by said control panel image data;

    a display unit for displaying said read out control panel image comprising a plurality of display items corresponding to user selectable operations;

    an input unit for detecting user-generated operation inputs associated with said displayed control panel image items to form an operation signal corresponding to the detected operation inputs;

    a transmission unit for transmitting said operation signal to said base apparatus;

    a receiving unit for receiving from said base apparatus an information signal corresponding to said transmitted operation signal;

    a processing unit for processing said received information signal for display by said display unit; and

    a nonvolatile memory for storing said information signal received immediately prior to a power interruption and for providing said stored information signal for display upon resumption of said power.

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