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Title: US5488508: Vignetting technique for improving appearance of partially overlapped binocular displays
[ Derwent Title ]


Country: US United States of America

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10 pages

 
Inventor: Haseltine, Eric C.; Manhattan Beach, CA

Assignee: The Walt Disney Company, Burbank, CA
other patents from WALT DISNEY COMPANY (617665) (approx. 101)
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Published / Filed: 1996-01-30 / 1994-06-28

Application Number: US1994000267187

IPC Code: Advanced: G02B 27/01; G02B 27/00;
IPC-7: G02B 21/36; G02B 23/08; G02B 26/08; G02B 27/00;

ECLA Code: G02B27/01C1; S02B27/01A9;

U.S. Class: Current: 359/362; 359/227; 359/235; 359/236; 359/363; 359/407; 359/410; 359/601;
Original: 359/362; 359/363; 359/407; 359/410; 359/227; 359/235; 359/236; 359/601;

Field of Search: 359/407,410,480,601,610,630,362,363,227,233,235,236

Priority Number:
1994-06-28  US1994000267187

Abstract:     Aperture stops are positioned in the optical train of a partially overlapped binocular display in a such a manner that overlapping portions the binocular boundaries of the left and right fields of view are substantially out of focus, and therefore do not appear as well defined, distracting contours in the visual field. The present invention is particularly well suited for use in virtual reality systems employing head mounted displays.

Attorney, Agent or Firm: Fish & Neave ; Ingerman, Jeffrey H. ;

Primary / Asst. Examiners: Dzierzynski, Paul M.; Sikder, Mohammad Y.

Maintenance Status: E3 Expired  Check current status

INPADOC Legal Status: Show legal status actions

Family: None

First Claim:
Show all 28 claims
What is claimed is:     1. A virtual reality system having a partially overlapped binocular display for displaying simulated three dimensional images to an observer, the partially overlapped binocular display comprising,
  • a generator of a first image having a first boundary;
  • a generator of a second image having a second boundary; wherein:
  • the first and second images are generated such that a predetermined portion of the first image overlaps a predetermined portion of the second image thereby forming a first nasal portion of the first boundary which overlaps the second image and a second nasal portion of the second boundary which overlaps the first image, the system further comprising:
  • an aperture step positioned in front of the first and second images, and closer to an eye of the observer than the focal renee or said eye, so as to substantially block the observer's view of the left nasal boundary and the right nasal boundary, the aperture stop being substantially out of focus to the observer.


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Forward References: Show 8 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (8)   |   Backward references (5)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 13pp US4205224  1980-05 Mecklenborg  The Singer Company Binocular viewing technique
Get PDF - 9pp US4729648  1988-03 Armstrong   Partial eyeshield
Get PDF - 19pp US4968123  1990-11 Fournier, Jr. et al.  United Technologies Corporation Helmet mounted display configured for simulator use
Get PDF - 6pp US5233458  1993-08 Moffitt et al.  Kaiser Aerospace and Electronics Corporation Method and apparatus to reduce binocular rivalry in a partial overlap binocular display
Get PDF - 19pp US5257094  1993-10 LaRussa   Helmet mounted display system
       
Foreign References: None

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