Patents for F21V 8 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems (27,053) |
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08/08/1991 | WO1991011743A1 Light source receptacle for fiberoptic illumination |
08/08/1991 | WO1991006070A3 Electronic image lift |
08/08/1991 | DE4026870A1 Back-lighted box for displaying placards or transparencies - has e.g. opal matt glass diffusion plate and reflector sepd. by edge-lighted stack of light guides |
07/31/1991 | EP0439047A1 Mudguard for bicycles |
07/31/1991 | EP0438768A1 Luminous display device |
07/30/1991 | US5036435 Illumination panel |
07/17/1991 | EP0437069A1 Direction dependent line light source |
07/16/1991 | US5031990 Light distribution device |
07/16/1991 | CA1286271C Surface illumination device using optical conductors |
07/09/1991 | US5031078 Additive color mixing system with variable hue and saturation light sources |
07/09/1991 | US5030811 Electric cigar lighter having an illuminating device |
07/03/1991 | EP0434683A1 Sewing machine with lamp. |
07/02/1991 | US5029047 Lighted fiber optic mobile |
07/02/1991 | US5029045 Surface lighting apparatus |
07/02/1991 | US5027550 Apparatus for cultivating aquatic living things in sea water |
06/25/1991 | US5027259 Flexible light pipe with improved performance coating |
06/25/1991 | US5027258 Display unit |
06/20/1991 | DE3941705A1 Isotropic radiator for spherical cavities - has optical fibre slidable in catheter having envelope at one end fillable with dispersant from separate channel |
06/20/1991 | DE3941653A1 Map reading aid incorporating notch in transparent wedge - with roughening or matt finish to facets through which light enters from lamp at broad end |
06/13/1991 | DE3940383A1 Microscope light source for direct illumination - uses over-stage reflector and glass-fibre light source |
06/11/1991 | US5022736 Solar ray device for illumination |
06/11/1991 | US5022728 Device composed of a light guide plate |
06/06/1991 | DE4004077C1 Illuminating device for small arms - has cold light lamp coupled to light conductors directing light to parabolic mirror in gun barrel |
06/06/1991 | DE3939859A1 Dental vacuum instrument removing cooling water and organic material - is connected to light source for integrated illumination of working area |
06/04/1991 | US5021929 Flashlight having secondary beam |
06/04/1991 | US5021928 Flat panel illumination system |
05/21/1991 | US5016956 Lighting panel for liquid crystal display |
05/16/1991 | DE3937889C1 Electrical illuminator with lamp and reflector - has diffusor extending whole length of tubular envelope at distance from foil |
05/14/1991 | US5016152 Focused light source and method |
05/14/1991 | US5016143 Illuminating system |
05/10/1991 | WO1991007641A1 Aquarium lighting system |
05/10/1991 | CA2068319A1 Aquarium lighting system |
05/08/1991 | EP0426433A2 Light fixture for externally illuminated sign |
05/08/1991 | EP0426411A2 Light fixture with beam shaping lens |
05/08/1991 | EP0426337A2 Upper and lower beam optical switch for line-of-light headlamps using opaque masks |
05/07/1991 | US5013109 Modular system for decorative lighting |
05/07/1991 | CA1283893C Apparatus for continuously controlled emission of light from prism light guide |
05/02/1991 | WO1991006070A2 Electronic image lift |
05/02/1991 | WO1991005972A1 Light fittings |
05/02/1991 | EP0424757A2 Device for coupling of light beams into a transparent body |
05/02/1991 | DE3935762A1 Lighting equipment for a sewing machine - has halogen lamp focused to fibre optic cables |
04/23/1991 | US5009483 Optical waveguide display system |
04/23/1991 | US5009020 Light-passing decorative object |
04/18/1991 | WO1991005114A1 Water discharging apparatus |
04/17/1991 | CN1050785A Backlighting apparatus |
04/10/1991 | CN2074855U Dynamic clour light-strip decoration light |
04/09/1991 | US5006965 A dimmer |
04/09/1991 | US5005931 Light radiator |
04/03/1991 | WO1991005202A1 Backlighting apparatus |
04/03/1991 | EP0420077A2 Electric cigar lighter with illuminating device |
04/03/1991 | CN1050436A Multi-shadow lamp |
04/03/1991 | CN1050435A Focused light source and method |
04/02/1991 | US5005108 Thin panel illuminator |
04/02/1991 | CA1282390C Collapsible light pipe |
03/27/1991 | EP0418535A2 Focused light source and method |
03/26/1991 | US5003437 Illuminated boat hook structure |
03/26/1991 | US5003189 Check-processing system |
03/26/1991 | US5003157 Snow melting pathway mat apparatus |
03/22/1991 | CA2022936A1 Focused light source and method |
03/20/1991 | EP0417359A1 Autonomous visual-attraction enhancement utilizing edge-illuminated panel |
03/19/1991 | US5000535 Fiber optics light bar |
03/07/1991 | WO1991002562A1 Integral end structure for medical laser waveguide |
03/06/1991 | EP0415625A2 Connector assemblies for optical fiber light cables |
03/06/1991 | EP0415164A1 Additive color mixing system with variable hue and saturation light sources |
03/06/1991 | EP0415026A2 Apparatus for light signals |
03/06/1991 | EP0414790A1 Illuminated decorations for furnishings and other like structures |
03/05/1991 | US4998186 Decorative hair ornament |
03/05/1991 | US4997259 Light source system with uniforming device for optical fiber type lightguide |
02/28/1991 | DE3942450A1 Multi-source fibre=optic signalling display for motor vehicle - includes optical fibre bundle connecting each lamp to corresp. section of matrix array of coloured terminations |
02/27/1991 | EP0414366A2 Light guide |
02/27/1991 | EP0414201A2 Illuminated sign structure |
02/26/1991 | US4996632 Multi-color illuminating system |
02/26/1991 | US4995712 Light radiation stand |
02/21/1991 | WO1991002193A1 Lamp for magnifying glasses |
02/19/1991 | US4994941 Sign of character and figure |
02/19/1991 | US4993802 Randomizing optical converter for illumination beam and method utilizing same |
02/12/1991 | US4991535 Shift lever unit for automotive automatic transmission |
02/06/1991 | EP0411065A1 Illuminating system |
02/05/1991 | US4989956 Visual display device with fluorescent dye-doped edge-illuminating emitter panel |
02/05/1991 | US4989948 Reflective sheeting material |
02/05/1991 | CA1279783C Totally internally reflecting thin, flexible film |
01/31/1991 | DE3924980A1 Fire damp-protected lighting of dials of underground machinery - uses optical fibre waveguides to conduct light from central source to scales without or with scattering |
01/22/1991 | US4986622 Fiber optic light transmission apparatus |
01/15/1991 | US4985809 Surface light source panel |
01/15/1991 | US4984862 Light radiator for the cultivation of fish |
01/15/1991 | US4984378 Lighted embroidery hoop apparatus |
01/08/1991 | US4983019 Endoscope light source apparatus |
01/08/1991 | US4983014 Bundle of optical fibers for transmission of electromagnetic radiation of high luminous intensity |
12/27/1990 | WO1990015953A1 Device for collecting, carrying, introducing and distributing light within fluids |
12/27/1990 | EP0403764A1 Illuminated display device, particularly house number, traffic sign or advertising sign |
12/25/1990 | US4980807 Illuminating system |
12/25/1990 | US4979492 Solar ray collecting device |
12/20/1990 | DE3919834A1 Uniform light distribution device for triangular prismatic reflector - uses diffuse reflection of light entering from extended source with dispersion angle not greater than 35 deg. |
12/18/1990 | US4978186 Light radiation device for use in medical treatment |
12/13/1990 | DE4002353C1 Fluorescent plastics bicycle mudguard - contains fluorescent dye which conducts incident light for reflective radiation |
12/12/1990 | EP0401711A2 Lamp configuration, especially for signal device |
12/11/1990 | US4977487 Face brightening device for use with vehicles |
12/06/1990 | DE3918183A1 Leuchtinformationskoerper Leuchtinformationskoerper |
12/05/1990 | CN1010655B Submergible laryngoscope metallic housing for fiber optics power source |
12/04/1990 | US4975810 Light source |