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3927314 |
Bow light for water craft
A bow light assembly for water craft includes light transmitting means at the rear face thereof and arranged to transmit rays from the light source for the front lens to indicate to the operator...
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3919543 |
Emergency light
A disguised emergency light for use on vehilces. Besides the standard source of light, the light includes an internal light channeling device and a beam splitter and is adapted to fit into standard...
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3907427 |
Lighting attachment for photographic enlargers
A lighting attachment for photographic enlargers having a light source for projecting an illuminated beam through a negative including a highly reflective double cone having its conical axis...
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3843878 |
FLASH DEVICE FOR A PHOTOGRAPHIC CAMERA
A flash device for use in a photographic camera having a filter which is movable between a rest position at which the filter is retracted from the light path of light rays coming from the flash...
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3842253 |
ILLUMINATING SYSTEM FOR CONTACT LENS OPHTHALMOMETER
An ophthalmometer having an illuminating system for permitting the cornea of the eye to be viewed with diffused or undiffused light. In addition, an interference ultraviolet filter in communication...
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3842254 |
ILLUMINATING SYSTEM FOR CONTACT LENS OPHTHALMOMETER
An ophthalmometer having an illuminating system for permitting the cornea of the eye to be viewed with diffused or undiffused light, and which includes an interference ultraviolet filter in...
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3832539 |
MULTI-BEAM LIGHTING DEVICE
A lighting device comprises an elliptical reflector with a holder for locating a lamp with its filament at one of the foci of the reflector. A beam splitting device in the form of two planar...
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3831020 |
SIMULATED BEAM LIGHT FIXTURE
A simulated beam light fixture having all of the outward appearances of a wooden beam for mounting in a room as a beam. A pair of parallel spaced-apart decorative wood panels is held in a...
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3825336 |
VARIABLE COLOR PHOTOGRAPHIC LIGHTING SOURCE
A variable color light source which is especially well suited for use in a photographic printer or enlarger for balancing the color of the light source such that it is compatable with particular...
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3825335 |
VARIABLE COLOR PHOTOGRAPHIC LIGHTING SYSTEM
A variable color lighting system for illuminating a scene to be photographed. The system features one or more fiber optic light mixing devices which receive light from a plurality of different...
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3818216 |
MANUALLY OPERATED LAMPHOUSE
A manually operated lamphouse for providing light color control and intensity for improving, the quality of negative films in printing, for example, includes a broad spectrum tungsten lamp the...
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3801812 |
FISHING LIGHT
A fishing light wherein a typical automobile headlight fixture is encased in a specially shaped body preferably formed of a low density styrofoam structure surrounding the fixture. The plastic...
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3791720 |
OPHTHALMOMETER HAVING ALTERNATIVE VIEWING AND MEASURING SYSTEMS AND INCLUDING AN IMPROVED ILLUMINATION SYSTEM
Ophthalmometer including a measuring circuit for measurement of the curvature of the cornea and contact lens curvatures with a built-in viewing circuit which is activated by the movement of a lever...
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3778164 |
OPHTHALMOMETER HAVING ALTERNATIVE VIEWING MEASURING SYSTEMS AND INCLUDING IMPROVED CONTACT LENS HOLDING MEANS
Ophthalmometer including a measuring circuit for measurement of the curvature of the cornea and contact lens curvatures with a built-in viewing circuit which is activated by the movement of a lever...
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3776620 |
OPTHALMOMETER HAVING ALTERNATIVE VIEWING AND MEASURING SYSTEMS
Ophthalmometer including a measuring circuit for measurement of the curvature of the cornea and contact lens curvatures with a built-in viewing circuit which is activated by the movement of a lever...
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3768900 |
SLIDE PROJECTORS
A bowl reflector of modified ellipsoidal shape is suitable for a slide projector, eliminates the need for a condenser and, when used with a flat-coil type filament lamp, enables a substantially...
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3767309 |
VISUAL SURFACE GUIDANCE APPARATUS
Guidance apparatus providing lateral and longitudinal visual guidance information to the operator of an aircraft or other vehicle to facilitate vehicular surface maneuvering. A light projection...
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3767288 |
DEVICE FOR ILLUMINATING THE TRAVELING PATH OF A VEHICLE AND PROTECTING THE DRIVER FROM DAZZLING
A device for illuminating the travelling path of a vehicle and protecting the driver thereof from dazzling by opposed source of light, comprising at least one headlight with a source of light...
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3762083 |
SKY PROJECTOR
A sky projector which simultaneously projects sky images and provides ground level display effects. The sky projector includes a vertical arrangement of a light source comprising several...
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3757101 |
LAMP FOR PROVIDING DAYLIGHT EFFECT
A lamp to produce sunlight effect artificially wherein a white light which is radiated directly from the lamp which includes the form of a pyramid composed of colored transparent materials. Two...
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3754135 |
LIGHT TREATING MEANS
A central circle of blue, translucent light filtering material is surrounded by an annular circle of clear transparent material which in turn is surrounded by an annular area of blue translucent...
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3733479 |
END LAMP ACCESSORY
An accessory for use with an electrically operated end lamp, with the accessory when so used acting as a heat sink, a protective housing for the lamp, and as a means for reflecting a beam from the...
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3732412 |
METHOD AND SYSTEM FOR PERSONNEL CONTROL WITH BLINDING ILLUMINATION
Unruly personnel, e.g. rioters, are subjected to continuous low intensity illumination of one part of the visible spectrum, which is sufficient for identification purposes, simultaneously with...
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3731612 |
PHOTOGRAPHIC DEVELOPING DEVICE
An apparatus for optical development of images in non-silver organic free radical photosensitive media. The apparatus provides uniform high intensity radiation of desired wavelengths without...
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3711700 |
DISCLOSING LIGHT
For dental, medical and other uses, with a disclosant phosphor-dye such as sodium fluorescein, a disclosing light emitting radiation substantially confined to the wavelength range between 380 and...
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3706968 |
BEACON PROVIDING VISUAL DIRECTION INFORMATION
An anti-collision beacon for aircraft or other applications. A pair of coaxially displaced filters are sequentially illuminated to provide flashes of light which uniquely identify the quadrants of...
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3703635 |
ZOOM LIGHT
Multiple reflector elements of an optical system intercept rays emitted by an energy source for reflection into a beamwidth pattern varying from a spotlight configuration to a medium-width beam...
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3696715 |
BEAM DEFINING APPARATUS
A display device as described in U.S. Pat. No. 3,457,400 is provided with photosensitive means for accurately identifying the outline of the light-transmitting area.
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3696237 |
ROAD MARKINGS
A lamp for road marking comprising a deformable preferably resilient translucent tubular holder, a lamp bulb within the holder being carried by a rigid transverse mounting disc preferably force...
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3696238 |
DUAL PURPOSE LUMINOUS HEADLIGHT SAFETY RING AND FOG LENS ATTACHMENT MEANS
A flexible ring is provided which can be readily removably clipped onto and surrounding a vehicle headlight to detachably magnetically secure a tinted translucent lens over the headlight to aid in...
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3694945 |
OPTICAL ELEMENT FOR ILLUMINATION
The invention provides an optical structural unit for use in lighting, decorating, signalling, advertising and similar purposes which in use incorporates a light source and which can provide...
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3692383 |
OPTICAL ANALOG DISPLAY DEVICE
A bar of light conducting material has notches formed in its rear face. The size of the notches are inclined at progressively different angles so that the efficiency of reflection of light toward...
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3665179 |
LIGHTING SYSTEM
A lighting system has a generally hyperboloidal mirror having a light-reflecting and heat-transmitting coating to form a virtual image of a light source and a lens to project a beam of light of...
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3661685 |
LAMINATED ASSEMBLY OF POLYCARBONATE AND POLYACRYLATE RESIN SHEETS AND METHOD OF MAKING THE SAME
Transparent globe for street lighting luminaires comprises a laminated assembly of superposed sheets of polycarbonate resin and polyacrylate resin having an ultraviolet absorbing compound...
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3653021 |
UNIVERSALLY ADJUSTABLE AND FOCUSABLE ALARM APPARATUS AND ELECTRIC CIRCUITRY THEREFOR
Apparatus having a base attachable to a surface. A hollow holder is universally supported by the base and an electric element of a light beam transmitting and receiving circuit is mounted in the...
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3638009 |
MINIATURE LIGHTING DEVICE
A miniature lighting device comprising a receptacle cup of insulating material which has two conductor bars passing through its sidewalls in spaced parallel relation to constitute the contactors of...
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3635517 |
INSTALLATION FOR REDUCING THE SOILING OF REAR LIGHTS IN MOTOR VEHICLE BODIES
An installation for reducing the soiling of the rear lights in motor vehicles in which the rear lights are mounted in body recesses in such a manner that air-guide channels are formed between the...
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3630567 |
DEVICE FOR MINIMIZING EFFECTS OF GLARE
A device for installation in proximity to the windshield of a motor vehicle for reducing glare caused by sunlight reflected from parts of the motor vehicle in the daylight as well as the glare...
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3626172 |
LIGHTING STRUCTURE FOR NIGHT TRAP SHOOTING AND THE LIKE
Lighting structure which is particularly adapted for night trap shooting activities or the like. The lighting structure includes a source of light, such as a lamp, or a bulb, or the like. Adjacent...
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3591793 |
PANEL LIGHT ASSEMBLY
A panel light assembly having two embodiments, one of which employs a translucent receptacle-filter, which is colored for filtering having horizontally extending electrical contacts extending...
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3586848 |
ILLUMINATED CLOCK
An illuminated clock specifically for use in a photographic darkroom or similar confines, where protection against certain light rays is of necessity, composed of a housing including an illuminated...
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3586851 |
COOL LIGHT
A device for producing cool light utilizing a dichroic reflector wherein the reflected visible light is directed to a second reflector which redirects the light to a diffuser.
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3555264 |
SEARCHLIGHT APPARATUS
Searchlight apparatus for selectively emitting a strong beam of white or infrared light for target finding purposes or a weak beam of light for nighttime assistance in a "passive-viewing" system....
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3551033 |
QUICK CHANGE FILTER
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3538323 |
DECORATIVE LIGHT SOURCE
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3527974 |
REFLECTOR FOR PRODUCING A COLOR CORRECTED LIGHT COLUMN
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3514589 |
CONCEALED VEHICLE RUNNING LIGHT ASSEMBLY
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3488117 |
HIGH SPEED COLOR ENLARGER WITH INTEGRATING SPHERES
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3473015 |
BULB SOCKET WITH LIGHT FILTER
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3463914 |
LIGHTING ARRANGEMENT
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