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MIPI ANALOG SWITCH FOR AUTOMATIC SELECTION OF MULTIPLE IMAGE SENSORS

  • US 20100231285A1
  • Filed: 03/12/2009
  • Published: 09/16/2010
  • Est. Priority Date: 03/12/2009
  • Status: Active Grant
First Claim
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1. Apparatus connecting two MIPI signal sources, each defining MIPI conforming clock and data lanes to an MIPI interface, the apparatus comprising:

  • an analog switch with two inputs, one connected to each of the two MIPI signal sources, one output connecting to the MIPI interface, and a control signal that defines the state of the analog switch;

    a controller comprising a first gate with at least one input connected to at least one of the clock lane signals from one signal source, and a second gate with at least one input connected to at least one of the clock lane signals from the other signal source;

    wherein each gate defines a threshold, wherein the first and the second gates respond when their thresholds are exceeded;

    the controller further comprising a latch that outputs the control signal to the analog switch.

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