Method and apparatus for signal reception with ambient light compensation

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United States of America Patent

PATENT NO 9154228
APP PUB NO 20140105608A1
SERIAL NO

13652256

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A free space communications apparatus includes a first receiving element configured to receive a communication signal and an ambient noise signal and to generate a first current as a function of any and all received signals, a second receiving element electrically coupled with the first receiving element to receive the ambient noise signal and to generate a second current as a function of any and all received signals, and an output signal produced as a function of the communication signal received by the first receiving element. The first and second receiving elements are electrically connected in a circuit that cancels at least a portion of the first current as a function of the second current to produce the output signal.

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Patent Owner(s)

Patent OwnerAddress
UNIVERSITY OF NORTH DAKOTA4201 JAMES RAY DRIVE STOP 7095 TECH ACCELERATOR ROOM 2050 GRAND FORKS ND 58202

International Classification(s)

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  • 2012 Application Filing Year
  • G01J Class
  • 1369 Applications Filed
  • 1088 Patents Issued To-Date
  • 79.48 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20122013201420152016201720182019202020210255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Faruque, Saleh Grand Forks, US 16 284
Faruque, Shams Grand Forks, US 1 2
Semke, William Larimore, US 2 41

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Patent Citation Ranking

  • 1 Citation Count
  • G01J Class
  • 12.52 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges67347663013451201 - 1011 - 2021 - 3031 - 4041 - 5051 - 6071 - 80100 +020406080100120140160180200220240260280300320340360380

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