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Class Information
Number: 359/637
Name: Optical: systems and elements > Single channel simultaneously to or from plural channels (e.g., light dividing, combining, or plural image forming, etc.) > By partial reflection at beam splitting or combining surface > With path length or aberration correcting element
Description: Subject matter which includes a device, circuit, or circuit component that corrects an undesirable condition which affects a light beam.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5305146 |
Tri-color separating and composing optical system |
Apr. 19, 1994 |
| 5293271 |
Retrocollimator optical system |
Mar. 8, 1994 |
| 5260829 |
Optical mixer without disturbance of optical paths, notably for helmet visual display system |
Nov. 9, 1993 |
| 5251068 |
Objective lens having a filter |
Oct. 5, 1993 |
| 5249081 |
Optical apparatus for superimposing displayed visual information |
Sep. 28, 1993 |
| 5200857 |
Color separation/synthetic optical system including two dichroic mirrors angled for correction of astigmatism |
Apr. 6, 1993 |
| 5159489 |
High resolution telescope |
Oct. 27, 1992 |
| 5155633 |
Anamorphic achromatic prism for optical disk heads |
Oct. 13, 1992 |
| 5153775 |
Display apparatus including two prisms with oppositely directed apex angles |
Oct. 6, 1992 |
| 5144486 |
Laser beam apparatus for providing multiple reference beams |
Sep. 1, 1992 |
| 5134468 |
Optical apparatus for varying the lengths of optical path of color component light beams |
Jul. 28, 1992 |
| 5105265 |
Projector apparatus having three liquid crystal panels |
Apr. 14, 1992 |
| 5044727 |
Beam splitter/combiner apparatus |
Sep. 3, 1991 |
| 5040872 |
Beam splitter/combiner with path length compensator |
Aug. 20, 1991 |
| 5032004 |
Beam splitter apparatus with adjustable image focus and registration |
Jul. 16, 1991 |
| 4735505 |
Assembly for adjusting an optical element |
Apr. 5, 1988 |
| 4723160 |
Windscreen deviation correcting pilot display |
Feb. 2, 1988 |
| 4722601 |
Apparatus for determining the direction of a line of sight |
Feb. 2, 1988 |
| 4577941 |
Optical apparatus |
Mar. 25, 1986 |
| 4412723 |
Optical system for correcting the aberrations of a beamsplitter in converging light |
Nov. 1, 1983 |
| 4368950 |
Image observation device having glass piled half mirror |
Jan. 18, 1983 |
| 4288148 |
Beam-splitting optical system |
Sep. 8, 1981 |
| 4183644 |
Photographic background device |
Jan. 15, 1980 |
| 4170401 |
Passive error compensating device for optical alignment |
Oct. 9, 1979 |
| 4167113 |
Display systems |
Sep. 11, 1979 |
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