Imaging optical system

Details Imaging optical system Imaging optical system

2005-09-20

2005-09-20

Schwartz, Jordan M. (Department: 2873)

Optical: systems and elements

Lens

With field curvature shaping

C359S650000, C359S651000

Reexamination Certificate

active

06947221

ABSTRACT:
A luminous flux, from one conjugate surface (A), having an opening angle of at least 10° sequentially passes through a first optical system (30) having a luminous flux convergent action in the vicinity of its reference axis and a second optical system (31) having a luminous flux divergent action in the vicinity of its reference axis, and converges on another conjugate surface (B). A specific condition is given to the converging distance of each converging point at a luminous flux section including a principal ray according to the passing position of the luminous flux through the first optical system (30) to thereby implement an oblique-incident optical system having a half angle of at least 60° and a comparatively simple structure irrespective of a type of an optical element used.

REFERENCES:
patent: 5274406 (1993-12-01), Tejima et al.
patent: 5294980 (1994-03-01), Matsugu et al.
patent: 5442413 (1995-08-01), Tejima et al.
patent: 5570140 (1996-10-01), Toide et al.
patent: 5594588 (1997-01-01), Togino
patent: 5716118 (1998-02-01), Sato et al.
patent: 5831776 (1998-11-01), Sasaya et al.
patent: 5871266 (1999-02-01), Negishi et al.
patent: 5986806 (1999-11-01), Sugawara
patent: 6201648 (2001-03-01), Togino
patent: 6639734 (2003-10-01), Omura
patent: 6771427 (2004-08-01), Matsuo
patent: 2001/0017692 (2001-08-01), Tanitsu
patent: 2004/0114256 (2004-06-01), Matsuo
patent: 2004/0196568 (2004-10-01), Matsuo
patent: 0 571 972 (1993-12-01), None
patent: 0 633 491 (1995-01-01), None
patent: 0 660 155 (1995-06-01), None
patent: 0 744 643 (1996-11-01), None
patent: 1-257834 (1989-10-01), None
patent: 5-134213 (1993-05-01), None
patent: 5-203871 (1993-08-01), None
patent: 5-273460 (1993-11-01), None
patent: 5-303055 (1993-11-01), None
patent: 5-33269 (1993-12-01), None
patent: 6-133311 (1994-05-01), None
patent: 6-265814 (1994-09-01), None
patent: 7-013157 (1995-01-01), None
patent: 7-151994 (1995-06-01), None
patent: 7-191274 (1995-07-01), None
patent: 9-43536 (1996-11-01), None
patent: 9-179064 (1997-07-01), None
patent: 10-153736 (1998-06-01), None
patent: 10-206791 (1998-08-01), None
patent: 10-239631 (1998-09-01), None
patent: 10-282451 (1998-10-01), None
patent: 11-237543 (1999-08-01), None
patent: 2000-89227 (2000-03-01), None
patent: 97/01787 (1997-09-01), None
Matsuo, Eiki Application 10/729,320 filed Dec. 5, 2003, claims 11-90.

Affiliated with

Also associated with

Rating

Imaging optical system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Imaging optical system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Imaging optical system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3434317