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Systems and methods for producing narrowband images

  • US 9,709,718 B2
  • Filed: 11/18/2013
  • Issued: 07/18/2017
  • Est. Priority Date: 11/18/2013
  • Status: Expired due to Fees
First Claim
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1. An enhanced contrast viewing device for viewing images comprising narrow bandwidth colors, the device comprising:

  • a plurality of filters including;

    a first lens with a first transmission spectrum comprising;

    a first narrow passband selected to pass a desired image,a first narrow stopband, wherein the first narrow stopband and the first narrow passband are selected to correspond to light emissions interpretable as substantially a same color by a user, anda first wide, partial-attenuation band selected to pass a first portion of background light and to block a second portion of the background light, wherein the first wide, partial-attenuation band is essentially spectrally flat and occupies a larger portion of spectrum than the first narrowband passband.

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