Patents for F21V 8 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems (27,053)
08/1991
08/08/1991WO1991011743A1 Light source receptacle for fiberoptic illumination
08/08/1991WO1991006070A3 Electronic image lift
08/08/1991DE4026870A1 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
07/1991
07/31/1991EP0439047A1 Mudguard for bicycles
07/31/1991EP0438768A1 Luminous display device
07/30/1991US5036435 Illumination panel
07/17/1991EP0437069A1 Direction dependent line light source
07/16/1991US5031990 Light distribution device
07/16/1991CA1286271C Surface illumination device using optical conductors
07/09/1991US5031078 Additive color mixing system with variable hue and saturation light sources
07/09/1991US5030811 Electric cigar lighter having an illuminating device
07/03/1991EP0434683A1 Sewing machine with lamp.
07/02/1991US5029047 Lighted fiber optic mobile
07/02/1991US5029045 Surface lighting apparatus
07/02/1991US5027550 Apparatus for cultivating aquatic living things in sea water
06/1991
06/25/1991US5027259 Flexible light pipe with improved performance coating
06/25/1991US5027258 Display unit
06/20/1991DE3941705A1 Isotropic radiator for spherical cavities - has optical fibre slidable in catheter having envelope at one end fillable with dispersant from separate channel
06/20/1991DE3941653A1 Map reading aid incorporating notch in transparent wedge - with roughening or matt finish to facets through which light enters from lamp at broad end
06/13/1991DE3940383A1 Microscope light source for direct illumination - uses over-stage reflector and glass-fibre light source
06/11/1991US5022736 Solar ray device for illumination
06/11/1991US5022728 Device composed of a light guide plate
06/06/1991DE4004077C1 Illuminating device for small arms - has cold light lamp coupled to light conductors directing light to parabolic mirror in gun barrel
06/06/1991DE3939859A1 Dental vacuum instrument removing cooling water and organic material - is connected to light source for integrated illumination of working area
06/04/1991US5021929 Flashlight having secondary beam
06/04/1991US5021928 Flat panel illumination system
05/1991
05/21/1991US5016956 Lighting panel for liquid crystal display
05/16/1991DE3937889C1 Electrical illuminator with lamp and reflector - has diffusor extending whole length of tubular envelope at distance from foil
05/14/1991US5016152 Focused light source and method
05/14/1991US5016143 Illuminating system
05/10/1991WO1991007641A1 Aquarium lighting system
05/10/1991CA2068319A1 Aquarium lighting system
05/08/1991EP0426433A2 Light fixture for externally illuminated sign
05/08/1991EP0426411A2 Light fixture with beam shaping lens
05/08/1991EP0426337A2 Upper and lower beam optical switch for line-of-light headlamps using opaque masks
05/07/1991US5013109 Modular system for decorative lighting
05/07/1991CA1283893C Apparatus for continuously controlled emission of light from prism light guide
05/02/1991WO1991006070A2 Electronic image lift
05/02/1991WO1991005972A1 Light fittings
05/02/1991EP0424757A2 Device for coupling of light beams into a transparent body
05/02/1991DE3935762A1 Lighting equipment for a sewing machine - has halogen lamp focused to fibre optic cables
04/1991
04/23/1991US5009483 Optical waveguide display system
04/23/1991US5009020 Light-passing decorative object
04/18/1991WO1991005114A1 Water discharging apparatus
04/17/1991CN1050785A Backlighting apparatus
04/10/1991CN2074855U Dynamic clour light-strip decoration light
04/09/1991US5006965 A dimmer
04/09/1991US5005931 Light radiator
04/03/1991WO1991005202A1 Backlighting apparatus
04/03/1991EP0420077A2 Electric cigar lighter with illuminating device
04/03/1991CN1050436A Multi-shadow lamp
04/03/1991CN1050435A Focused light source and method
04/02/1991US5005108 Thin panel illuminator
04/02/1991CA1282390C Collapsible light pipe
03/1991
03/27/1991EP0418535A2 Focused light source and method
03/26/1991US5003437 Illuminated boat hook structure
03/26/1991US5003189 Check-processing system
03/26/1991US5003157 Snow melting pathway mat apparatus
03/22/1991CA2022936A1 Focused light source and method
03/20/1991EP0417359A1 Autonomous visual-attraction enhancement utilizing edge-illuminated panel
03/19/1991US5000535 Fiber optics light bar
03/07/1991WO1991002562A1 Integral end structure for medical laser waveguide
03/06/1991EP0415625A2 Connector assemblies for optical fiber light cables
03/06/1991EP0415164A1 Additive color mixing system with variable hue and saturation light sources
03/06/1991EP0415026A2 Apparatus for light signals
03/06/1991EP0414790A1 Illuminated decorations for furnishings and other like structures
03/05/1991US4998186 Decorative hair ornament
03/05/1991US4997259 Light source system with uniforming device for optical fiber type lightguide
02/1991
02/28/1991DE3942450A1 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
02/27/1991EP0414366A2 Light guide
02/27/1991EP0414201A2 Illuminated sign structure
02/26/1991US4996632 Multi-color illuminating system
02/26/1991US4995712 Light radiation stand
02/21/1991WO1991002193A1 Lamp for magnifying glasses
02/19/1991US4994941 Sign of character and figure
02/19/1991US4993802 Randomizing optical converter for illumination beam and method utilizing same
02/12/1991US4991535 Shift lever unit for automotive automatic transmission
02/06/1991EP0411065A1 Illuminating system
02/05/1991US4989956 Visual display device with fluorescent dye-doped edge-illuminating emitter panel
02/05/1991US4989948 Reflective sheeting material
02/05/1991CA1279783C Totally internally reflecting thin, flexible film
01/1991
01/31/1991DE3924980A1 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
01/22/1991US4986622 Fiber optic light transmission apparatus
01/15/1991US4985809 Surface light source panel
01/15/1991US4984862 Light radiator for the cultivation of fish
01/15/1991US4984378 Lighted embroidery hoop apparatus
01/08/1991US4983019 Endoscope light source apparatus
01/08/1991US4983014 Bundle of optical fibers for transmission of electromagnetic radiation of high luminous intensity
12/1990
12/27/1990WO1990015953A1 Device for collecting, carrying, introducing and distributing light within fluids
12/27/1990EP0403764A1 Illuminated display device, particularly house number, traffic sign or advertising sign
12/25/1990US4980807 Illuminating system
12/25/1990US4979492 Solar ray collecting device
12/20/1990DE3919834A1 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.
12/18/1990US4978186 Light radiation device for use in medical treatment
12/13/1990DE4002353C1 Fluorescent plastics bicycle mudguard - contains fluorescent dye which conducts incident light for reflective radiation
12/12/1990EP0401711A2 Lamp configuration, especially for signal device
12/11/1990US4977487 Face brightening device for use with vehicles
12/06/1990DE3918183A1 Leuchtinformationskoerper Leuchtinformationskoerper
12/05/1990CN1010655B Submergible laryngoscope metallic housing for fiber optics power source
12/04/1990US4975810 Light source