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Class Information
Number: 359/232
Name: Optical: systems and elements > Light control by opaque element or medium movable in or through light path > Slit type
Description: Subject matter wherein the light controlling structure comprises a pair of jaws having opposed parallel edges which can be moved toward or away from each other and which can be fixed in a variety of intermediate positions between fully open and fully closed.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7554727 |
Illumination apparatus for microscope |
Jun. 30, 2009 |
| 7400433 |
Installable pinhole |
Jul. 15, 2008 |
| 7394593 |
Transmitted-light base for a microscope, and method for regulating the illumination intensity of a transmitted-light base |
Jul. 1, 2008 |
| 7324253 |
Installable pinhole |
Jan. 29, 2008 |
| 7212285 |
Optical measurement device |
May. 1, 2007 |
| 7170595 |
Optical slit |
Jan. 30, 2007 |
| 7154653 |
Parallax barrier and multiple view display |
Dec. 26, 2006 |
| 7126648 |
Liquid crystal projector comprising a plurality of light shielding members fixed between the lens array and the polarized light generator |
Oct. 24, 2006 |
| 7123398 |
Arrangement and use of a slit diaphragm |
Oct. 17, 2006 |
| 7055966 |
Illuminator and projector |
Jun. 6, 2006 |
| 6956688 |
Variable width optical slit mechanism |
Oct. 18, 2005 |
| 6886944 |
Projector brightness enhancement using rectilinear apertures |
May. 3, 2005 |
| 6864977 |
Spectrophotometer with electrostatic-film shutter |
Mar. 8, 2005 |
| 6765707 |
Variable slit width device for spectroscope |
Jul. 20, 2004 |
| 6762882 |
System and method for use of dark field fourier diaphragm in multi-frequency imaging |
Jul. 13, 2004 |
| 6731421 |
Wedge-shaped lensless laser focusing device |
May. 4, 2004 |
| 6643061 |
Microscope transmitted-illumination apparatus |
Nov. 4, 2003 |
| 6388808 |
Confocal microscopic equipment |
May. 14, 2002 |
| 6373073 |
Multiple spectral band opto-mechanical modular |
Apr. 16, 2002 |
| 6252696 |
Subassembly for generating an optically active slit |
Jun. 26, 2001 |
| 5971547 |
Astigmatic lenticular projector system |
Oct. 26, 1999 |
| 5920150 |
Fluorescent automotive display panel |
Jul. 6, 1999 |
| 5905589 |
Light transmittance adjusting apparatus |
May. 18, 1999 |
| 5815265 |
Device and method for measuring a particle flow in a fluid |
Sep. 29, 1998 |
| 5726741 |
Photolithographic projection systems including grating masks and related methods |
Mar. 10, 1998 |
| 5726738 |
Aperture for off-axis illumination and projection exposure apparatus employing the same |
Mar. 10, 1998 |
| 5675437 |
Light control film for use in viewing holograms and related method |
Oct. 7, 1997 |
| 5673122 |
Image reading apparatus including slit member disposed between film original and reading lens |
Sep. 30, 1997 |
| 5661589 |
Bilateral slit assembly, and method of use |
Aug. 26, 1997 |
| 5627671 |
Spectrometer slit switching mechanism |
May. 6, 1997 |
| 5555123 |
Flying spot scanner |
Sep. 10, 1996 |
| 5513031 |
Adjustable optical component |
Apr. 30, 1996 |
| 5508838 |
Slit system |
Apr. 16, 1996 |
| 5507547 |
Vehicle roof with glass lid and sunshield |
Apr. 16, 1996 |
| 5451780 |
Device for setting slit widths in the beam path of spectrometers |
Sep. 19, 1995 |
| 5400170 |
Method of controlling size of light beam pulses used to form respective plural pixels on a print medium |
Mar. 21, 1995 |
| 5389544 |
Method for counting living cells of microbes and apparatus therefor |
Feb. 14, 1995 |
| 5384662 |
Precision optical slit for high heat load or ultra high vacuum |
Jan. 24, 1995 |
| 5351150 |
Rotating slit aperture for scanning microscopy |
Sep. 27, 1994 |
| 5299050 |
Scanning optical system |
Mar. 29, 1994 |
| 5285307 |
Visual field expanding system |
Feb. 8, 1994 |
| 5229877 |
Method of controlling size of light beam |
Jul. 20, 1993 |
| 5170280 |
Monochromator |
Dec. 8, 1992 |
| 5161176 |
Exposure apparatus |
Nov. 3, 1992 |
| 5134513 |
Scanning optical system |
Jul. 28, 1992 |
| 5060283 |
Method and system for reading images with a movable light intercepting plate |
Oct. 22, 1991 |
| 4880294 |
Continuously variable microdiaphragm |
Nov. 14, 1989 |
| 4818068 |
Slit apparatus |
Apr. 4, 1989 |
| 4634854 |
Moving aperture device for reducing scattered light in an optical system |
Jan. 6, 1987 |
| 4594539 |
Light valve |
Jun. 10, 1986 |
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