One chip USB optical mouse sensor solution

  • US 7,126,585 B2
  • Filed: 08/17/2001
  • Issued: 10/24/2006
  • Est. Priority Date: 08/17/2001
  • Status: Active Grant
First Claim
Patent Images

1. An apparatus for controlling the position of a screen pointer for an electronic device having a display screen, the apparatus comprising:

  • a light source for illuminating an imaging surface, thereby generating reflected images;

    a single chip for receiving the reflected images, generating digital representations of the reflected images, generating a first set of movement data based on the digital representations of the reflected images, the first set of movement data indicative of relative motion between the chip and the imaging surface, the single chip including a serial interface for outputting motion data in a serial format based on the movement data;

    wherein the serial interface is configured to be coupled to a host device, and the single chip is configured to provide testing information about the chip to the host device through the serial interface.

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