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Class Information
Number: 347/136
Name: Incremental printing of symbolic information > Electric marking apparatus or processes > Electrostatic > Photo scanning > Optical elements interposed between record receiver and beam generator > Light intensity modulation means > Shutter device
Description: Subject matter wherein the electrically variable optically transmission element either passes or blocks the light beam in a binary manner.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7626737 |
Wide format ROB assembly |
Dec. 1, 2009 |
| 7589754 |
Printer |
Sep. 15, 2009 |
| 7417653 |
Electrostatic latent image forming medium using optical shutter array and image forming apparatus having the same |
Aug. 26, 2008 |
| 7352377 |
Exposure device and image forming apparatus |
Apr. 1, 2008 |
| 7277107 |
Image-forming apparatus |
Oct. 2, 2007 |
| 7209155 |
Printer device |
Apr. 24, 2007 |
| 7203444 |
Method and apparatus for image forming and optical writing device installed therein capable of reducing adhering dust |
Apr. 10, 2007 |
| 7199810 |
Beam scanning apparatus having polarization direction adjuster |
Apr. 3, 2007 |
| 6856426 |
Solid state scanning type optical recording device |
Feb. 15, 2005 |
| 6677971 |
Recording apparatus and method thereof |
Jan. 13, 2004 |
| 6519350 |
Embedding watermarks in images |
Feb. 11, 2003 |
| 6337706 |
Solid scanning optical writing device, light amount correction method therefor and light amount measuring device |
Jan. 8, 2002 |
| 6330016 |
Image recording apparatus and image recording method |
Dec. 11, 2001 |
| 6310712 |
Discrete element light modulating microstructure devices |
Oct. 30, 2001 |
| 6188425 |
Exposure device capable of reducing unevenness in quantity of light |
Feb. 13, 2001 |
| 6124872 |
Optical writing device with controlled driving voltages |
Sep. 26, 2000 |
| 6057955 |
Optical modulator and drive method thereof |
May. 2, 2000 |
| 6052144 |
Image printing |
Apr. 18, 2000 |
| 5969741 |
Raster scanner with a selectable spot dimension |
Oct. 19, 1999 |
| 5936652 |
Apparatus for protecting a lens array of a printhead used for copy restrictive documents |
Aug. 10, 1999 |
| 5930021 |
Optical shutter element drive mechanism |
Jul. 27, 1999 |
| 5872587 |
Light signal generating device with reduced light leakage |
Feb. 16, 1999 |
| 5831657 |
Image forming system with smoothing pixels of a larger size |
Nov. 3, 1998 |
| 5816165 |
Method of encoding roll length indicia on printer media |
Oct. 6, 1998 |
| 5694161 |
Image forming apparatus with a light directing device for varying density of an image |
Dec. 2, 1997 |
| 5491566 |
Integrated input-output device having a reading and a printing section on a single substrate |
Feb. 13, 1996 |
| 5414553 |
Electroabsorptive asymmetrical fabry-perot modulator array for line printers |
May. 9, 1995 |
| 5317347 |
Image forming apparatus |
May. 31, 1994 |
| 5260718 |
Liquid crystal shutter xerographic printer with offset configuration lamp aperture and copier/printer with optically aligned lamps, image bars, and lenses |
Nov. 9, 1993 |
| 5247387 |
Method and device for driving electro-optical light shutter |
Sep. 21, 1993 |
| 5155618 |
Light signal generating device using electro-optical light shutter array |
Oct. 13, 1992 |
| 5126995 |
Light scanning device |
Jun. 30, 1992 |
| 5117245 |
Electronic printer or scanner using a fiber optic bundle and an array light emission device |
May. 26, 1992 |
| 5093676 |
Method of driving electro-optical light shutter for use in recording apparatus |
Mar. 3, 1992 |
| 4975729 |
Electronic printer using a fiber optic bundle and a linear, one-dimensional light source |
Dec. 4, 1990 |
| 4967240 |
Recording apparatus |
Oct. 30, 1990 |
| 4959668 |
Device for producing images on printing image carriers |
Sep. 25, 1990 |
| 4918537 |
Image forming apparatus |
Apr. 17, 1990 |
| 4899183 |
Image forming apparatus |
Feb. 6, 1990 |
| 4884079 |
Image forming apparatus and driving method therefor |
Nov. 28, 1989 |
| 4838652 |
Image forming apparatus |
Jun. 13, 1989 |
| 4830468 |
Liquid crystal print bar having a single backplane electrode |
May. 16, 1989 |
| 4810058 |
Exposure device utilizing a liquid crystal shutter matrix |
Mar. 7, 1989 |
| 4783146 |
Liquid crystal print bar |
Nov. 8, 1988 |
| 4763142 |
Electrophotographic printer with light micro-shutters |
Aug. 9, 1988 |
| 4745433 |
Image forming apparatus with a light shutter of the G-H type liquid crystal |
May. 17, 1988 |
| 4728972 |
Multiplexing of transient image bar |
Mar. 1, 1988 |
| 4724467 |
Light blocking stop for electro-optic line printers |
Feb. 9, 1988 |
| 4720717 |
Recording and waveform forming apparatus |
Jan. 19, 1988 |
| 4701772 |
Thermally activated image bar |
Oct. 20, 1987 |
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