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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 |
| 7106518 |
Optical unit and image display apparatus |
Sep. 12, 2006 |
| 7094452 |
Antireflective member and electronic equipment using same |
Aug. 22, 2006 |
| 7092167 |
Optical system providing four beams from a single source |
Aug. 15, 2006 |
| 7075739 |
Assembly for correcting laser illumination emitted from a laser light source and method for producing said assembly |
Jul. 11, 2006 |
| 7006309 |
Prism unit and laser device |
Feb. 28, 2006 |
| 7006298 |
Optical system providing four beams from a single source |
Feb. 28, 2006 |
| 6992830 |
Projection display having an angle-selective coating for enhanced image contrast, and method for enhancing image contrast |
Jan. 31, 2006 |
| 6984041 |
Color-separating and -recombining optical system |
Jan. 10, 2006 |
| 6958861 |
Method and apparatus for combining optical beams |
Oct. 25, 2005 |
| 6943956 |
Combiner and on-vehicle display unit including the same |
Sep. 13, 2005 |
| 6942347 |
Color combining optical system, image projection optical system, and projection type image display apparatus |
Sep. 13, 2005 |
| 6927919 |
Collimating lens, collimating system, and image displaying apparatus using collimating system |
Aug. 9, 2005 |
| 6914726 |
Optical apparatus and viewing optical system thereof which is capable of displaying information |
Jul. 5, 2005 |
| RE38740 |
Dichroic prism and projection display apparatus |
Jun. 7, 2005 |
| 6903512 |
Half mirror film producing method and optical element comprising a half mirror film |
Jun. 7, 2005 |
| 6888679 |
Laser diode bar integrator/reimager |
May. 3, 2005 |
| 6856466 |
Multiple imaging system |
Feb. 15, 2005 |
| 6835440 |
Light transmitting plate |
Dec. 28, 2004 |
| 6836369 |
Head-up display |
Dec. 28, 2004 |
| 6829097 |
Double pass polarization independent mixer and method using single nonlinear mixer media and off-axis focusing |
Dec. 7, 2004 |
| 6819497 |
Color separation and color synthesis optical system and reflection type projection display apparatus |
Nov. 16, 2004 |
| 6816318 |
BEAM SHAPING DEVICE FOR SHAPING THE CROSS-SECTION OF A LIGHT BEAM AND SYSTEM FOR LAUNCHING INTO AN OPTICAL FIBER A LIGHT BEAM HAVING AN ELONGATED CROSS-SECTION AND BEING EMITTED BY AN ELONGATE |
Nov. 9, 2004 |
| 6816317 |
COLLIMATOR FOR READY FITTING TO AN OPTICAL DEVICE WITH PRECISE OPTICAL ALIGNMENT WITHOUT NEED FOR ADJUSTING POSITIONS OR ANGLES TO COMPENSATE FOR OFFSETS OR DEVIATIONS DURING OPTICAL DEVICE AS |
Nov. 9, 2004 |
| 6795042 |
Image display apparatus |
Sep. 21, 2004 |
| 6795249 |
Reflective time-division image projector having a transmission color wheel |
Sep. 21, 2004 |
| 6788468 |
Wavelength locker module and wavelength controller for optical communication |
Sep. 7, 2004 |
| 6783242 |
Projection apparatus and projection-type image display apparatus |
Aug. 31, 2004 |
| 6774366 |
Image integration and multiple laser source projection |
Aug. 10, 2004 |
| 6765727 |
Beam combiner |
Jul. 20, 2004 |
| 6728488 |
Optical systems employing anamorphic beams and diffraction gratings |
Apr. 27, 2004 |
| 6714353 |
Optical device with a function of homogenizing and color separation, and optical illumination system for a projector using the same |
Mar. 30, 2004 |
| 6704145 |
Air-gap optical structure having the air gap defined by a layered spacer structure |
Mar. 9, 2004 |
| 6704144 |
Color separation prism assembly compensated for contrast enhancement and implemented as reflective imager |
Mar. 9, 2004 |
| 6665122 |
Projection-type image display apparatus |
Dec. 16, 2003 |
| 6661577 |
Wavelength-selective laser beam splitter |
Dec. 9, 2003 |
| 6648474 |
Projection apparatus |
Nov. 18, 2003 |
| 6646806 |
Polarized light source system with dual optical paths |
Nov. 11, 2003 |
| 6618204 |
Light modulator, light source using the light modulator, display apparatus using the light modulator, and method for driving the light modulator |
Sep. 9, 2003 |
| 6618027 |
Light modulator, light source using the light modulator, display apparatus using the light modulator, and method for driving the light modulator |
Sep. 9, 2003 |
| 6614596 |
Systems and methods for increasing illumination density within a field of view of an imaging system |
Sep. 2, 2003 |
| 6590714 |
Color combining optical system and projection type display apparatus having the same |
Jul. 8, 2003 |
| 6570713 |
Method and apparatus for optimizing the output beam characteristics of a laser |
May. 27, 2003 |
| 6567218 |
Array lens, lighting optical system, optical unit and imaging apparatus |
May. 20, 2003 |
| 6560026 |
Optical film with variable angle prisms |
May. 6, 2003 |
| 6545812 |
Array lens, lighting optical system, optical unit and imaging apparatus |
Apr. 8, 2003 |
| 6515802 |
Optical arrangement |
Feb. 4, 2003 |
| 6504651 |
Light modulator, light source using the light modulator, display apparatus using the light modulator, and method for driving the light modulator |
Jan. 7, 2003 |
| 6497490 |
Laser beam attenuator and method of attenuating a laser beam |
Dec. 24, 2002 |
| 6473239 |
Imaging system with a cylindrical lens array |
Oct. 29, 2002 |
| 6437921 |
Total internal reflection prismatically interleaved reflective film display screen |
Aug. 20, 2002 |
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