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An LED matrix lighting device
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Title:
An LED matrix lighting device
Author:
RITONIEMI, Jari
Subjects:
ACCESSORIES FOR PAPER-MAKING MACHINES
;
BLASTING
;
CALCULATING
;
CALENDERS
;
COMPUTING
;
CONTROL OR REGULATING SYSTEMS IN GENERAL
;
CONTROLLING
;
CONVEYING
;
COUNTING
;
ELECTRIC HEATING
;
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
;
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
;
ELECTRICITY
;
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
;
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF
;
HANDLING THIN OR FILAMENTARY MATERIAL
;
HEATING
;
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
;
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED
;
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
;
LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
;
LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL
;
LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE
;
LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATINGELEMENTS
;
LIGHTING
;
MEASURING
;
MECHANICAL ENGINEERING
;
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
;
NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE
;
NON-PORTABLE LIGHTING DEVICES
;
PACKING
;
PAPER-MAKING
;
PERFORMING OPERATIONS
;
PHYSICS
;
PNEUMATIC TUBE CONVEYORS
;
PRODUCTION OF CELLULOSE
;
REGULATING
;
SHOP CONVEYOR SYSTEMS
;
STORING
;
STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR
;
SYSTEMS THEREOF
;
TESTING
;
TEXTILES
;
TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING
;
TRANSPORTING
;
VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS
;
WEAPONS
Description:
The invention relates to an LED matrix lighting device (20) for illuminating a lighting pattern with even intensity. The LED matrix lighting device comprises a plurality of LEDs (22), a collimating lens (23) in front of each LED (22) for collimating light of the LED (22), and a light refracting element (24) in front of collimating lenses (23) arranged to refract light of at least a first part of the LEDs (22) with a different refraction angle than at least a second part of the LEDs (22). The invention further relates to a machine vision system, a method, and a computer program product. Keksintö koskee LED-matriisivalaisinlaitetta (20) valaistuskuvion valaisemiseksi tasaisella intensiteetillä. LEDmatriisivalaisinlaite käsittää joukon ledejä (22), kunkin ledin (22) edessä olevan kollimoivan linssin (23) ledin (22) valon kollimoimiseksi ja kollimoivien linssien (23) edessä olevan valoa taittavan elementin (24), joka on järjestetty taittamaan ainakin ensimmäisestä osasta ledejä (22) tulevaa valoa eri taittokulmassa (39) kuin ainakin toisesta osasta ledejä (22) tulevaa valoa. Keksintö koskee lisäksi konenäköjärjestelmää, menetelmää ja tietokoneohjelmatuotetta.
Creation Date:
2022
Language:
English;Finnish;Swedish
Source:
esp@cenet
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