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Document |
Document Title |
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3807849 |
VISUAL DISPLAY ARRANGEMENTS
Visual display apparatus, particularly for an aircraft flight simulator or other vehicle motion simulator, providing a wide-angle, collimated visual display for one or more observers, for example...
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3796484 |
OPTICAL COMMUNICATION SYSTEM PROVIDING SELECTIVE IMAGE PRESENTATIONS
This invention relates to an entirely new media of optical communication which provides artists and highway designers, for example, with new dimensions of expression. As will become clear...
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3770344 |
LIGHT SOURCE SYSTEM FOR OVERHEAD PROJECTORS
An illumination system for overhead projectors which maintains a high luminance of the image projected while keeping a low temperature in the lamp house enclosing the system, comprising a number of...
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3767299 |
DISPLAY PROJECTOR
A visual display system comprising a laser light source, patterned display generating material mounted in a plane traversing the path of a beam of light from the source, means for continuously...
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3752575 |
OVERHEAD PROJECTOR
An improved overhead projector capable of employing a smaller sized reflecting mirror, thereby making the projector compact in size, wherein a Fresnel condenser lens system, which serves as the...
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3738742 |
ILLUMINATION OPTICAL SYSTEM FOR PROJECTING MULTI-PHOTOGRAPHIC IMAGE
An illumination optical system for projecting multi-photographic images wherein the illumination light loss is minimized is provided by disposing a group of micro-lenses substantially similar to...
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3728014 |
APPARATUS FOR PROJECTING A SCENE
A system and apparatus for projecting scenes upon color additive film. This film is typically configured having a filter screen portion overlaying an image carrying base. The filter screen may be...
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3712713 |
OPTICAL SHIELD OF TRANSPARANT INTERMESHED GROOVED PANELS USEFUL ON OVERHEAD PROJECTS
A glare control shield having particular utility in an overhead projector, consists of fully transparent matching grooved plates which are disposed between stage and Fresnel condensing lens of the...
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3693515 |
OPTICAL REFLECTOR SYSTEM
An optical reflector system is disclosed utilizing a plurality of reflecting surfaces forming a diverging tunnel to project a substantially uniform intensity on an optical surface spaced from the...
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3658414 |
PROJECTOR FOR IMAGES FORMED BY COMPOUND PHOTOGRAPHY
A device for projecting upon a screen the images formed and recorded by the compound photographic camera which comprises a first lens directed toward a subject, an aperture movable in a plane...
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3642360 |
MICROPHOTOGRAPH PROJECTION SYSTEM
A microphotograph projection system comprising a substantially planar microlens plate having a plurality of microlenses arranged in intimately contacted relation with each other upon the front...
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3582204 |
REPRODUCTION SYSTEM USING PUNCHED TAPE
An optical display method and apparatus is disclosed wherein information is selectively reproduced either simultaneously or sequentially from simple characters which form letters, numerals or more...
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3525566 |
PROJECTION DEVICES AND GRAPHIC MATERIALS THEREFOR
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3511563 |
PROJECTOR
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3486817 |
OVERHEAD PROJECTOR
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3481668 |
IMAGE PROJECTION APPARATUS
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3462214 |
CONFIGURATION FOR BACK PROJECTION
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3459475 |
OVERHEAD PROJECTOR
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3409351 |
Composite stereography
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3363506 |
Overhead projector
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3352202 |
Order display system
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3340765 |
Projection system
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3338131 |
Apparatus for selectively superimposing projected images
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3332318 |
Character projection unit
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3331277 |
Character projection device
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3322032 |
Image display device
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3321620 |
Solar simulator
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3319517 |
Micro-image storage and retrieval apparatus
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3302016 |
Optical collimating system
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3296923 |
Lenticulated collimating condensing system
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3293982 |
Overhead projector with an unsymmetrical reflective supporting stage
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3293983 |
Non-stereo depth perception projection display device
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3267802 |
Lenticulated collimating condensing system for oblique object planes
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3253255 |
Signal lamp and focusing reflector
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3246562 |
Stylus position indicator means
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3241440 |
Illumination system
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3222981 |
Two-element projection lens
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3212397 |
Keystone-distortion controlling system
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3178993 |
Optical cryptographic devices
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3166625 |
Optical cryptographic device
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3151520 |
Method and apparatus for simultaneously producing a superimposed multiimage display
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3063334 |
Panoramic projection system
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3014403 |
Photographic and projection system and process
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2981140 |
Multiple image display system
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2803163 |
Illuminating system for picture projectors
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2800054 |
Projection device with directional lens
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2794977 |
Optical transposer
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