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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Loth; Stanislaw
Address:
Nanuet, NY
No. of patents:
11
Patents:












Patent Number Title Of Patent Date Issued
6313946 Technique for depth of field viewing of images using an aspherical lens November 6, 2001
A screen is disclosed for viewing depth of field images. The screen includes a prismatic screen mounted between a flat image and a viewer. Additional optical elements may be provided to enlarge a viewed image. A light hood may be provided to reduce glare and other effects of ambient
6067191 Technique for depth of field viewing of images using an aspherical lens May 23, 2000
A screen is disclosed for viewing depth of field images. The screen includes a prismatic screen mounted between a flat image and a viewer. Additional optical elements may be provided to enlarge a viewed image. A light hood may be provided to reduce glare and other effects of ambient
5512943 Video monitor contrast reference gray scale apparatus and method of use thereof April 30, 1996
A video monitor contrast reference gray scale apparatus, and method of use thereof, wherein the apparatus comprises a reference gray scale housing, a reference gray scale which comprises a plurality of fields which provide a contrast range on the reference gray scale, a light source whic
5400177 Technique for depth of field viewing of images with improved clarity and contrast March 21, 1995
A screen is disclosed for viewing depth of field images. The screen includes a curved prismatic screen mounted between a flat image and a viewer. A light hood may be provided to reduce glare and other effects of ambient light. Further protection from ambient light may be provided by
5165784 Adjustable photography light that maintains constant color temperature November 24, 1992
An adjustable photography light including a light bulb having a ceramic layer coated over 180.degree. of its surface, which ceramic has the same expansion coefficient as the light bulb, and which acts alternatively as a white reflector or as a mask as the bulb is rotated.
5115384 Soft light May 19, 1992
A soft light having a housing with a front opening and a hinged upper portion, a light source arranged in a lower frontal position in the housing, an internal reflector for direction light from the light source toward a rear portion of the housing opposite the front opening, and a re
4916485 Xenon optical system for cinematograph projection April 10, 1990
A film projector has side-by-side lamphouses each containing a xenon light source, light beam reflectors and a condensor lens for reshaping the reflected circular light beams into horizontal ellipsoidal light beams flattened by masking for the projection of stereo images by a pair of
4915497 Stereoscopic motion picture apparatus with horizontal film movement April 10, 1990
An apparatus for photographing a pair of diagonally related left and right images of a stereoscopic image couple on to film frames of a horizontally moving 65 mm film having 15 film perforations per frame.
4900131 Adjustable photographic device February 13, 1990
An adjustable photographic device includes a light transmission element for allowing light from an object to be photographed to pass therethrough, and light sources positioned around the periphery of the light transmission element for introducing light into the periphery of the light tra
4779974 Contrast range indicator October 25, 1988
An apparatus for indicating the contrast range in a scene to be photographed arranged to be situated within the field of view of a viewfinder of a camera. The apparatus includes a plurality of matching fields of respectively differing gray scale reflectance and a light source for ill
4729065 Photography light March 1, 1988
A photography light for providing fill illumination includes a first reflector having planar sides and an opening in a rear portion thereof, a second reflector lying within the first reflector and overlying the opening therein. The second reflector forming light compensating channels










 
 
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