Waveguide lens

Description

FIG. 1 is a perspective of a waveguide lens showing our new design;

FIG. 2 is a top view of our design;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a front view thereof;

FIG. 8 is a perspective view of a second embodiment of the waveguide lens of FIG. 1.

FIG. 9 is a top view of the second depicted embodiment of our design;

FIG. 10 is a bottom view of the second depicted embodiment thereof;

FIG. 11 is a left side view of the second depicted embodiment thereof;

FIG. 12 is a right side view of the second depicted embodiment thereof;

FIG. 13 is a rear view of the second depicted embodiment thereof;

FIG. 14 is a front view of the second depicted embodiment thereof;

FIG. 15 is a perspective view of a third embodiment of the waveguide lens of FIG. 1;

FIG. 16 is a top view of the third depicted embodiment of our design;

FIG. 17 is a bottom view of the third depicted embodiment thereof;

FIG. 18 is a left side view of the third depicted embodiment thereof;

FIG. 19 is a right side view of the third depicted embodiment thereof;

FIG. 20 is a rear view of the third depicted embodiment thereof; and,

FIG. 21 is a front view of the third depicted embodiment thereof.

Referenced Cited
U.S. Patent Documents
3975084 August 17, 1976 Block
4775637 October 4, 1988 Sutherland et al.
4978503 December 18, 1990 Shanks et al.
5340715 August 23, 1994 Slovacek et al.
5469264 November 21, 1995 Shigemori
5841927 November 24, 1998 Watanabe et al.
5879824 March 9, 1999 Fujino
5943465 August 24, 1999 Kawaguchi et al.
Foreign Patent Documents
WO86/00141 January 1986 WOX
WO97/35176 September 1997 WOX
WO97/35181 September 1997 WOX
WO97/35203 September 1997 WOX
Patent History
Patent number: D426783
Type: Grant
Filed: Apr 19, 1999
Date of Patent: Jun 20, 2000
Assignees: University of Utah Research Foundation (Salt Lake City, UT), IVD Systems, LLC (Santa Barbara, CA)
Inventors: Douglas A. Christensen (Salt Lake City, UT), James N. Herron (Salt Lake City, UT), Eric M. Simon (Salt Lake City, UT)
Primary Examiner: Antoine Duval Davis
Law Firm: Trask, Britt & Rossa
Application Number: 0/103,670
Classifications
Current U.S. Class: Angle Or Direction (7) (D10/65)
International Classification: 1004;