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US5276471A Expired / Lapsed US ⏱️ 0.0 years remaining

Image displaying device

Assignee: Sony Corp
•
Filing: 1991-05-08
•
Granted: 1994-01-04
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Expires: 2011-05-08
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Abstract

Abstract An image displaying device including a light source and liquid crystal panels to be illuminated by the light source in which the main body of the device is installed to a user's head so as to project images of the liquid crystal panels to retina of a user's eyeballs through the light source. There are provided a pair of frames for use in installing the main body of the device to a user's face at both sides of the main body of the device, and a clearance of the pair of frames can be adjusted by an adjusting mechanism.

Inventors

  • 👤 Toshiyuki Yamauchi
  • 👤 Toshiki Takekuma
  • 👤 Naoki Kamaya
  • 👤 Naoki Okayama

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 20:22
CPC Classifications
G; G02; G02C; G02C11/00; G02C11/10; G02B; G02B27/00; G02B27/01; G02B27/017; G02B27/0176; G02C5/00; G02C5/14; G02C5/20; G02C7/00; G02C7/10; G02C7/101; H; H04; H04N; H04N13/00; H04N13/30; H04N13/332; H04N13/344

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 92 words
An image displaying device comprising: a visor-like portion; a light source disposed in said visor-like portion; first and second liquid crystal panels illuminated by said light source, said liquid crystal panels being arranged to protect images onto retina of the eyes of a person wearing the image displaying device; a pair of temples pivotally connected to the sides of said visor-like portion; and means for adjusting a distance between the pivotally mounted ends of said pair of temples and the clearance between each of the pivotally mounted ends and said visor-like portion.
Claim 2
Dependent Claim 92 words
An image displaying device comprising: a visor-like portion; a light source disposed in said visor-like portion; first and second liquid crystal panels illuminated by said light source, said liquid crystal panels being arranged to protect images onto retina of the eyes of a person wearing the image displaying device; a pair of temples pivotally connected to the sides of said visor-like portion; and means for adjusting a distance between the pivotally mounted ends of said pair of temples and the clearance between each of the pivotally mounted ends and said visor-like portion.
Claim 3
Dependent Claim 35 words
An image displaying device according to claim (1) in which said pair of temples is simultaneously moved by an equal distance in an opposite direction with respect to said visor-like portion by said adjusting means.
Claim 4
Dependent Claim 27 words
An image displaying device according to claim (2) in which said adjusting mechanism includes a single manually rotatable operating member which is supported on said visor-like portion.
Claim 5
Dependent Claim 44 words
The image displaying device according to claim (1) wherein said adjusting means includes an adjusting mechanisms comprising hinge members which are each pivotally connected to said visor-like portion at one end and pivotally connected to an end of a temple at the other end.
Claim 6
Dependent Claim 33 words
The image displaying device according to claim 1 further comprising a nose support, said nose support being movably supported on said visor-like portion and selectively movable toward and away from said visor-like portion.
Claim 7
Dependent Claim 26 words
The image displaying device according to claim 1 wherein said pair of temples includes means for permitting each of the temples to be adjusted in length.

References Cited (Backward Citations)

US2756632A Cited
US2761353A Cited
US3899840A Cited
US4105305A Cited
US5129716A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1997-01-03 1997-07-05 1998-01-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2001-01-03 2001-07-05 2002-01-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2005-01-03 2005-07-05 2006-01-04 $7700.00 Window Closed / Lapsed

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