Matches 1 - 25 out of 25
Match Document Document Title
EP1294576B1 A SECURITY DEVICE  
7290803 Reflective article and method of manufacturing same  
A reflective printed article includes a substrate having a top surface and a bottom surface with a graphic image printed thereon. A reflective or glossy ink layer is printed over the entire top...
7290802 Second surface micromotion display  
A second surface micromotion display includes a see-through base having a first surface, defined in the art as a front surface facing a viewer, and a second surface, defined in the art as a rear...
7273176 Electro-optic reader for retro-reflective bar codes  
A system for identification comprising: a surface ( 14 ) comprising retro-reflective indicta; a source of light that illuminates the indicta ( 18 ) along an illumination direction; and a detector (...
7048307 Reflective display  
A display includes a base having a front surface, an adhesive pattern formed over a first area of the front surface, a reflective layer over the adhesive pattern, and may include an image formed...
6987590 Patterned reflective optical structures  
An optical structure includes a light transmissive substrate having a surface relief pattern applied thereon, such as a hologram. A patterned layer of a reflective material is applied over portions...
6980338 Image-reproducing apparatus and image-reproducing method  
An optical member 7 is bonded, at its rear side 7 b , to a holographic stereogram 6 . The front side 7 a of the optical member 7 consists of parallel triangular prisms. Illumination light ...
6979487 Glossy printed article and method of manufacturing same  
An improved printed article and a method of making same. The article including a substrate having a top surface and a bottom surface, with a reflective layer printed on the top surface of the...
6977761 Image-reproducing apparatus and image-reproducing method  
An optical member 7 is bonded, at its rear side 7 b , to a holographic stereogram 6 . The front side 7 a of the optical member 7 consists of parallel triangular prisms. Illumination light ...
6975440 Image-reproducing apparatus and image-reproducing method  
An optical member 7 is bonded, at its rear side 7 b , to a holographic stereogram 6 . The front side 7 a of the optical member 7 consists of parallel triangular prisms. Illumination light ...
6903852 Image-reproducing apparatus and image-reproducing method  
An optical member 7 is bonded, at its rear side 7 b , to a holographic stereogram 6 . The front side 7 a of the optical member 7 consists of parallel triangular prisms. Illumination light ...
6903850 Security device  
A security device has a substrate formed with a surface relief defining an optically variable effect generating structure. At least two different reflection enhancing materials are provided on, or...
6888951 Methods and apparatus for analyzing operational and analyte data acquired from optical disc  
Methods and apparatus for analyzing nonoperational data acquired from optical discs, and in particular, trackable optical discs having concurrently readable nonoperational structures are provided....
6738170 Image-reproducing apparatus and image-reproducing method  
An optical member 7 is bonded, at its rear side 7 b , to a holographic stereogram 6 . The front side 7 a of the optical member 7 consists of parallel triangular prisms. Illumination light ...
6504649 Privacy screens and stereoscopic effects devices utilizing microprism sheets  
A privacy screen, an image separating screen suitable for creating stereoscopic images, and an image interlacing screen also suitable for use in creating stereoscopic images, are prepared by...
6425606 Diffractive anti-counterfeiting tag with naked-eye inspection and machine inspection  
A diffractive anti-counterfeiting tag structure with capabilities of naked-eye inspection and machine inspection and its method of manufacture. The anti-counterfeiting tag structure has a naked-eye...
6351537 Verifiable holographic article  
A verifiable holographic article comprises a substrate comprising (a) at least one hologram; and (b) at least one covert image that is convertible to an overt image using a decoding sampling...
6331915 Lighting element including light emitting diodes, microprism sheet, reflector, and diffusing agent  
A lighting element in which a plurality of point sources are in the form of LEDs situated between a microprism sheet and a reflective backing arrangement, the microprism sheet being of the type...
6330111 Lighting elements including light emitting diodes, microprism sheet, reflector, and diffusing agent  
Lighting elements employing multiple light emitting diodes and a diffusive agent such as a microprism sheet, a gas, or a gel, include a video monitor, a light bulb, a neon tube replacement, and a...
6176522 Embossing of bank notes or the like with security devices  
A security document or token such as a banknote is provided which has a transparent portion of plastics material which includes a security device. The region surrounding the transparent portion and...
6120882 Article with holographic and retroreflective features  
An article is disclosed having both holographic and retroreflective features. The article includes a holographic layer that is perceptible under normal lighting conditions and substantially...
6042150 Playing cards security system  
A playing cards security system for detecting when additional playing cards are added to a deck of playing cards. The system includes a deck of playing cards where each playing card of the deck of...
6024455 Reflective article with concealed retroreflective pattern  
A reflective article has a multilayer film covering a patterned retroreflective layer. In one embodiment the patterned retroreflective layer includes a separate indicia layer covering a...
5926293 Holographic transflector  
A light-diffusing holographic transflector comprising a holographic layer and a transflective layer is disclosed. The transflector is capable under good ambient lighting conditions of illuminating...
5866236 Article with holographic and retroreflective features  
An article is disclosed having both holographic and retroreflective features. The article includes a holographic layer that is perceptible under normal lighting conditions and substantially...
Matches 1 - 25 out of 25