Self-test circuit for high-definition multimedia interface...

Data processing: measuring – calibrating – or testing – Testing system – Of circuit

Reexamination Certificate

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Details

C324S073100, C324S500000, C324S537000, C324S763010, C702S057000, C702S108000, C714S025000, C714S033000

Reexamination Certificate

active

07617064

ABSTRACT:
A high-definition multimedia interface circuit uses a high-definition multimedia interface encoder to produce a plurality of channels of data. An output circuit, connected to the high-definition multimedia interface encoder, produces a plurality of channels of high frequency data from the data produced by the high-definition multimedia interface encoder. A multiplexer selects a channel for sampling, and a capacitive coupler capacitively couples the multiplexer to a sampling circuit. The sampling circuit produces sampled data corresponding to the high frequency data having a clock rate less than a clock rate of the high frequency data. A test circuit compares the sampled data with the data produced by the high-definition multimedia interface encoder.

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HDMI Press: “Silicon Image Sets the Standard for Digital Consumer Electronic Interfaces with Panellink Cinema, the World's First HDMI Transmitter and Receiver”, Jan. 9, 2003, from hdmi.org/press/pr/pr—20030109.aspx (downloaded Mar. 20, 2009).

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