×

Serial light interface which also functions as an ambient light detector

  • US 5,239,295 A
  • Filed: 04/16/1990
  • Issued: 08/24/1993
  • Est. Priority Date: 04/16/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. An electronic device capable of operating in a first mode and a second mode comprising:

  • photodetection means for producing an electrical signal in response to data modulated light when said electrical device is operating in said first mode and for producing an electrical signal in response to ambient light when said electrical device is operating in said second mode;

    processing means coupled to said photodetection means for digitally processing said electrical signal produced by said photodetection means in the first mode; and

    illuminating means coupled to said photodetection means for providing illumination in response to said electrical signal being produced by said photodetection means in the second mode.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×