Inventor · Long Beach, CA, US

David A. Ansley

20Patents
11h-index
12Co-inventors
68Inventor score

Filing activity: Feb 11, 1991 → Mar 25, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US5416876A Fiber optic ribbon subminiature display for head/helmet mounted display Physics 56 Expired
US5574580A LCD with integral light confinement having a pair of afocal lenslets positioned between liquid crystal cells and color polarizers Physics 56 Expired
US5414521A Dynamic distortion correction apparatus and method Electricity 56 Expired
US6122051A Multi-slit spectrometer Physics 54 Expired
US5726671A Helmet/head mounted projector system Physics 41 Expired
US5546492A Fiber optic ribbon display Physics 37 Expired
US5541769A Uniform-brightness, high-gain display structures and methods Physics 32 Expired
US5612708A Color helmet mountable display Physics 31 Expired
US5803570A Calibration system and method for display optical systems Electricity 29 Expired
US5319490A Helmet mounted display including synchronously moving tilted mechanisms Physics 12 Expired
US5260729A Non-interfering color viewing system using spectral multiplexing Physics 11 Expired
US5715094A Lensless helmet/head mounted display Physics 11 Expired
US7038776B1 Polarimeter to simultaneously measure the stokes vector components of light Physics 10 Expired
US5151799A System and technique for making holographic projection screens Physics 8 Expired
US5677788A Two-stage projection system Electricity 8 Expired
US5267061A Non-interfering viewing systems for use in catadioptric projection systems Physics 7 Expired
US7016040B2 Imaging polarimeter sensor with achromatic beam-splitting polarizer Physics 7 Expired
US6707603B2 Apparatus and method to distort an optical beam to avoid ionization at an intermediate focus Physics 6 Expired
US5546202A Rear projection screen for high ambient light environments having a pinhole area substantially equal to luminous area of the light source Physics 4 Expired
US6576891B2 Gimbaled scanning system and method Electricity 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.