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Class Information
Number: 359/640
Name: Optical: systems and elements > Single channel simultaneously to or from plural channels (e.g., light dividing, combining, or plural image forming, etc.) > By refraction at beam splitting or combining surface > Including prismatic element
Description: Subject matter including a transparent optical element having at least two polished plane faces, inclined relative to each other, to cause refraction through the faces.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6411440 |
Array lens, lighting optical system, optical unit and imaging apparatus |
Jun. 25, 2002 |
| 6404558 |
Projection display with color separation/synthesizing prism unit |
Jun. 11, 2002 |
| 6404556 |
Optical system |
Jun. 11, 2002 |
| 6404552 |
Projection type display device |
Jun. 11, 2002 |
| 6396639 |
Viewing optical system and image display apparatus using the same |
May. 28, 2002 |
| 6392809 |
Array lens, lighting optical system, optical unit and imaging apparatus |
May. 21, 2002 |
| 6366335 |
Polarization-sensitive beam splitter, method of manufacturing such a beam splitter and magneto-optical scanning device including such a beam splitter |
Apr. 2, 2002 |
| 6356391 |
Optical film with variable angle prisms |
Mar. 12, 2002 |
| 6331913 |
Optical polarization beam combiner/splitter |
Dec. 18, 2001 |
| 6318759 |
Prismatic printing |
Nov. 20, 2001 |
| 6295173 |
Configuration for color division and/our recombination |
Sep. 25, 2001 |
| 6278557 |
Method and apparatus for stacking beams |
Aug. 21, 2001 |
| 6271514 |
Multi-beam scanner including a dove prism array |
Aug. 7, 2001 |
| 6262852 |
Real image mode finder and camera using the same |
Jul. 17, 2001 |
| 6262851 |
Double-pass projection displays with separate polarizers and analyzers |
Jul. 17, 2001 |
| 6249383 |
Image taking optical system |
Jun. 19, 2001 |
| 6249387 |
Stable enhanced contrast optical system for high resolution displays |
Jun. 19, 2001 |
| 6246526 |
Light irradiating apparatus and image displaying apparatus |
Jun. 12, 2001 |
| 6236477 |
Optical transmission and receiving module |
May. 22, 2001 |
| 6222678 |
Automatic survey instrument |
Apr. 24, 2001 |
| 6218194 |
Analytical methods and apparatus employing an optical sensor device with refractive index modulation |
Apr. 17, 2001 |
| 6219188 |
Observation optical system |
Apr. 17, 2001 |
| 6212014 |
MWIR polarizing beamsplitter cube and method of making the same |
Apr. 3, 2001 |
| 6206429 |
Prismatic printing |
Mar. 27, 2001 |
| 6204975 |
Reflective micro-display system |
Mar. 20, 2001 |
| 6201645 |
Array lens, lighting optical system, optical unit and imaging apparatus |
Mar. 13, 2001 |
| 6185047 |
Image projection system packaged to operate lying flat with a very low profile |
Feb. 6, 2001 |
| 6172815 |
Dichroic prism and projection display apparatus |
Jan. 9, 2001 |
| 6151169 |
Sheet type optical device and backlighting unit using the same |
Nov. 21, 2000 |
| 6134051 |
Optical system for image observation |
Oct. 17, 2000 |
| 6124977 |
Image display apparatus |
Sep. 26, 2000 |
| 6097544 |
Optical element with two optical systems having identical optical paths |
Aug. 1, 2000 |
| 6072635 |
Dichroic prism and projection display apparatus |
Jun. 6, 2000 |
| 6061182 |
Combiner for superimposing a display image on to an image of an external scene |
May. 9, 2000 |
| 6052231 |
Beam dividing elements permitting projection of an image with high contrast |
Apr. 18, 2000 |
| 6042239 |
Aircraft canopy reflection reduction |
Mar. 28, 2000 |
| 6038076 |
Wavelength selection, multiplexing and demultiplexing method and apparatus |
Mar. 14, 2000 |
| 5995284 |
Polarized illumination system for LCD projector |
Nov. 30, 1999 |
| 5991082 |
Lens system with multiple focal lines |
Nov. 23, 1999 |
| 5978144 |
Prism for optical system |
Nov. 2, 1999 |
| 5953166 |
Laser trapping apparatus |
Sep. 14, 1999 |
| 5914817 |
Thin film dichroic color separation filters for color splitters in liquid crystal display systems |
Jun. 22, 1999 |
| 5912768 |
Depth-from-defocus optical apparatus with invariance to surface reflectance properties |
Jun. 15, 1999 |
| 5900985 |
Polarization converter for unpolarized light |
May. 4, 1999 |
| 5847881 |
Real image finder |
Dec. 8, 1998 |
| 5835276 |
Optical system having compound prism design to reduce ghosts and plares |
Nov. 10, 1998 |
| 5777674 |
Four color separation optical device |
Jul. 7, 1998 |
| 5742434 |
Adapter for extracting a portion of an image from an optical system or device |
Apr. 21, 1998 |
| 5731900 |
Optical reflector |
Mar. 24, 1998 |
| 5715316 |
Optical image encryption and decryption processes |
Feb. 3, 1998 |
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