US Patent No: 4,636,866

Number of patents in Portfolio can not be more than 2000

Personal liquid crystal image display

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Abstract

A personal liquid crystal image display includes a housing to be worn on a user's head, a light-transmission-type liquid crystal display panel for displaying video signals and a lens positioned between the display panel and a user's eye to enlarge the image. The housing may include earphones. The display and earphones are coupled to a tuner for receiving signal and driving the display and earphones. A portion of the drive circuit for driving the display may be disposed in the housing.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
EPSON CORPORATIONTOKYO106
SEIKO EPSON CORPORATIONTOKYO16895

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hattori, Noboru Yokosuka, JP 24 622

Cited Art

Patent Info (Count) # Cites Year
 
NINTENDO CO., LTD. (1)
4,403,216 Display 51 1981
 
SCHOOLMAN SCIENTIFIC CORPORATION (1)
4,395,731 Television microscope surgical method and apparatus therefor 54 1981
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (1)
4,310,849 Stereoscopic video system 67 1979

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
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6,956,878 Method and apparatus for reducing laser speckle using polarization averaging 24 2000
7,177,081 High contrast grating light valve type device 5 2001
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6,865,346 Fiber optic transceiver 4 2001
6,747,781 Method, apparatus, and diffuser for reducing laser speckle 59 2001
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6,800,238 Method for domain patterning in low coercive field ferroelectrics 1 2002
6,782,205 Method and apparatus for dynamic equalization in wavelength division multiplexing 60 2002
6,991,953 Microelectronic mechanical system and methods 9 2002
6,767,751 Integrated driver process flow 3 2002
6,728,023 Optical device arrays with optimized image resolution 18 2002
7,054,515 Diffractive light modulator-based dynamic equalizer with integrated spectral monitor 1 2002
6,822,797 Light modulator structure for producing high-contrast operation using zero-order light 5 2002
6,872,984 Method of sealing a hermetic lid to a semiconductor die at an angle 19 2002
6,829,258 Rapidly tunable external cavity laser 27 2002
6,908,201 Micro-support structures 2 2002
6,813,059 Reduced formation of asperities in contact micro-structures 65 2002
6,714,337 Method and device for modulating a light beam and having an improved gamma response 8 2002
7,057,795 Micro-structures with individually addressable ribbon pairs 1 2002
6,801,354 2-D diffraction grating for substantially eliminating polarization dependent losses 10 2002
6,956,995 Optical communication arrangement 2 2002
6,712,480 Controlled curvature of stressed micro-structures 6 2002
7,049,164 Microelectronic mechanical system and methods 50 2002
6,928,207 Apparatus for selectively blocking WDM channels 1 2002
7,057,819 High contrast tilting ribbon blazed grating 1 2002
6,987,600 Arbitrary phase profile for better equalization in dynamic gain equalizer 0 2002
6,934,070 Chirped optical MEM device 3 2002
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7,027,202 Silicon substrate as a light modulator sacrificial layer 52 2003
6,922,273 PDL mitigation structure for diffractive MEMS and gratings 2 2003
6,829,077 Diffractive light modulator with dynamically rotatable diffraction plane 2 2003
6,806,997 Patterned diffractive light modulator ribbon for PDL reduction 1 2003
7,042,611 Pre-deflected bias ribbons 0 2003
 
KOPIN CORPORATION (27)
6,140,980 Head-mounted display system 52 1995
7,075,501 Head mounted display system 12 1995
5,583,335 Method of making an eye tracking system having an active matrix display 21 1995
D371549 Head-mounted display device 10 1995
6,043,800 Head mounted liquid crystal display system 80 1995
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6,424,321 Head-mounted matrix display 13 1995
D388426 Head-mounted display device 0 1996
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6,677,936 Color display system for a camera 26 1997
6,552,704 Color display with thin gap liquid crystal 5 1997
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I-O DISPLAY SYSTEMS LLC (11)
6,097,543 Personal visual display 9 1995
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5,864,326 Depixelated visual display 13 1995
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SONY CORPORATION (9)
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6,215,460 Head-mounted image display apparatus 12 1994
5,825,340 Head-mounted image display apparatus 22 1996
 
MASSACHUSETTS INSTITUTE OF TECHNOLOGY (4)
5,867,134 VLSI visual display 17 1995
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CANON KABUSHIKI KAISHA (3)
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HONEYWELL INTERNATIONAL INC. (3)
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MICROVISION, INC. (3)
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OLYMPUS OPTICAL CO., LTD. (3)
5,742,262 Image display apparatus 29 1994
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SCHOOLMAN SCIENTIFIC CORPORATION (3)
4,706,117 Stereo laser disc viewing system 52 1985
5,281,957 Portable computer and head mounted display 219 1991
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HONEYWELL INC. (2)
5,954,642 Adjustable head mounted display and system 10 1997
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KABUSHIKI KAISHA SEGA ENTERPRISES (2)
5,774,096 Head mounted display 31 1995
6,124,837 Head mounted display 1 1998
 
SEGA ENTERPRISES, LTD. (2)
5,392,158 Head-mounted image display 79 1992
5,712,649 Head-mounted image display 87 1996
 
SEIKO EPSON CORPORATION (2)
5,739,893 Head-mounted image display apparatus 3 1995
6,538,624 Head-mounted image display apparatus 4 2000
 
SHARP KABUSHIKI KAISHA (2)
5,155,615 Miniature display device for use in a miniature electronic apparatus 58 1989
5,598,297 Image display unit 36 1994
 
SIGHTLINE MEDIA (2)
5,648,789 Method and apparatus for closed captioning at a performance 34 1991
6,005,536 Captioning glasses 28 1996
 
TEXAS INSTRUMENTS INCORPORATED (2)
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5,566,241 Method and apparatus for presentation of on-line directional sound 2 1995
 
DAEWOO ELECTRONICS CO., LTD. (1)
5,808,802 Head-mounted display apparatus with a single image display device 6 1997
 
EAST CAROLINA UNIVERSITY (1)
7,031,922 Methods and devices for enhancing fluency in persons who stutter employing visual speech gestures 7 2000
 
ESIGHT CORP. (1)
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I/O DISPLAY SYSTEMS, LLC (1)
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INTERACTIVE IMAGING SYSTEMS, INC. (1)
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LIGHTSTORM TECHNOLOGIES, INC. (1)
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MICROSHARP CORPORATION LIMITED (1)
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PALCA, INC. (1)
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PEDALO, INC. (1)
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PERSONAL PRO, LLC (1)
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RAYTHEON COMPANY (1)
5,581,271 Head mounted visual display 31 1994
 
REDWEAR INTERACTIVE INC. (1)
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REFLECTION TECHNOLOGY A CORP. OF MASSACHUSETTS (1)
5,334,991 Dual image head-mounted display 126 1992
 
SINTRA (1)
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SQUIB INTERNATIONAL, INC. (1)
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TECHNIC, INC. (1)
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UNITED TECHNOLOGIES CORPORATION (1)
4,878,046 Mounting a cathode ray tube for a heads-up display system 21 1987
 
UNIVERSITY, EAST CAROLINA (1)
6,754,632 Methods and devices for delivering exogenously generated speech signals to enhance fluency in persons who stutter 46 2000
 
VIRTUAL I/O (1)
5,673,151 Image correction in virtual reality and heads up displays 10 1995
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (18)
4,805,988 Personal video viewing device 48 1987
4,859,994 Closed-captioned movie subtitle system 22 1987
4,933,755 Head mounted stereoscopic television viewer 46 1989
4,982,278 Binocular stereovision 54 1989
5,060,062 Electronic vision aid device 13 1990
5,406,415 Imaging system for a head-mounted display 14 1992
5,812,099 Portable audio-visual virtual-reality system 1 1993
5,606,743 Radio eyewear 81 1993
5,488,496 Partitionable display system 103 1994
5,683,297 Head mounted modular electronic game system 15 1994
5,634,201 Communications visor 59 1995
5,795,227 Electronic game system 18 1996
6,847,336 Selectively controllable heads-up display system 48 1996
6,215,593 Portable wide-field optical system with microlenses and fiber-optic image transfer element 5 1997
6,421,031 Camera display system 52 1998
6,307,526 Wearable camera system with viewfinder means 51 1998
6,614,408 Eye-tap for electronic newsgathering, documentary video, photojournalism, and personal safety 42 1999
6,446,862 Point of purchase (PoP) terminal 54 1999