BOIT, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 2131
 
  
 
G04B MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME-PIECES USING THE POSITION OF THE SUN, MOON, OR STARS 235
 
  
 
G04C ELECTROMECHANICAL CLOCKS OR WATCHES 217

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5995456 Dynamically changing liquid crystal display timekeeping apparatusMay 30, 97Nov 30, 99[G04B, G04C, G02F]
5636185 Dynamically changing liquid crystal display timekeeping apparatusMar 10, 95Jun 03, 97[G04B, G04C, G02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5499121 Color variance polymer matrix display having two scattering states or N.sub. both N.sub.E and N.sub.OExpiredMar 18, 93Mar 12, 96[G02F]
5289301 Liquid crystal color modulation displays with dyes of different orders and circuitry for providing modulated AC excitation voltageExpiredJun 12, 92Feb 22, 94[G09F, G02F]
4933104 Anthraquinone derivative as a dichroic dye for a liquid-crystal material, liquid-crystal material and an electrooptical deviceExpiredJun 08, 88Jun 12, 90[C09K, C07C, G02F]

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