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Title: US6353503: Eyeglass display lens system employing off-axis optical design
[ Derwent Title ]
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Country: US United States of America

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17 pages

 
Inventor: Spitzer, Mark B.; Sharon, MA
Crawford, John O.; Hopkinton, MA

Assignee: The Micropitical Corporation, Westwood, MA
other patents from MICROOPTICAL CORPORATION (780254) (approx. 14)
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Published / Filed: 2002-03-05 / 2000-06-19

Application Number: US2000000597922
IPC Code: Advanced: G02B 5/18; G02B 5/30; G02B 5/32; G02B 25/00; G02B 25/02; G02B 27/01; G02B 27/02; G02C 1/00; G02C 7/14; H04N 5/64; G02B 27/00;
IPC-7: G02B 27/14;

ECLA Code: G02B27/01C; G02B27/01C1; S02B5/30; S02B27/01A3B; S02B27/01C1A; S02B3/04; S02B3/06; S02B6/00; S02B26/10; S02B27/01A2; S02B27/01A11; S02B27/01C3;

U.S. Class: 359/630;

Field of Search: 359/630,631,633 345/007,8,9

Priority Number:
2000-06-19  US2000000597922
1999-06-21  US1999000140329P

Abstract:     An off-axis optical display system is provided. The system comprises an eyeglass lens assembly having a first lens section having a first surface, at least a portion of the first surface having a first curvature, and a second lens section having a second surface, at least a portion of the second surface having a second curvature. An interface is located between the first surface and the second surface. The interface comprises an optical layer and conforms to the first curvature of the first surface and the second curvature of the second surface. An image source is located off-axis with respect to the interface to transmit light along an optical path that reflects off the optical reflective surface of the interface toward an eye of a user. A portion of the optical path may be through air, and refraction is provided at the interface between air and the first lens. An aberration correction element is also provided.

Attorney, Agent or Firm: Weingarten, Schurgin, Gagnebin & Lebovici LLP ;

Primary / Asst. Examiners: Mack, Ricky;

Maintenance Status: CC Certificate of Correction issued
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Parent Case:

CROSS REFERENCE TO RELATED APPLICATIONS
    This application claims priority under 35 U.S.C. § 119(e) of U.S. Provisional Application No. 60/140,329, filed Jun. 21, 1999, the disclosure of which is incorporated by reference herein.

Designated Country: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE  CA EP JP 

Family: Show 6 known family members
First Claim:
Show all 51 claims		 What is claimed is:     1. An optical display system comprising;
  • an eyeglass lens assembly comprising:
    • a first lens section having a first surface, at least a portion of the first surface having a first curvature,
    • a second lens section having a second surface, at least a portion of the second surface having a second curvature, and
    • an interface between the first surface and the second surface, the interface comprising an optical layer and conforming to the first curvature of the first surface and the second curvature of the second surface; and
    • an image source located off-axis with respect to the interface to transmit light along an optical path that is directed by the optical layer of the interface toward an eye of a user.


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Forward References: Show 44 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (44)   |   Backward references (112)   |   Citation Link

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  * some details unavailable
       
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Other Abstract Info: DERABS G2001-529376

Other References:
  • Ferrin, Frank J., "An update on optical systems for military head mounted displays", presented at SPIE's "AeroSense", Apr. 5-9, 1999, 8 pages.
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