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LUMENS DIGITAL OPTICS INC

Overview
  • Total Patents
    19
About

LUMENS DIGITAL OPTICS INC has a total of 19 patent applications. Its first patent ever was published in 2004. It filed its patents most often in United States, China and Taiwan. Its main competitors in its focus markets audio-visual technology, optics and electrical machinery and energy are BJERKESTRAND RUNE, SINAR AG and HONJO KENICHI.

Patent filings in countries

World map showing LUMENS DIGITAL OPTICS INCs patent filings in countries
# Country Total Patents
#1 United States 8
#2 China 6
#3 Taiwan 5

Patent filings per year

Chart showing LUMENS DIGITAL OPTICS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cheng Wen Chin 3
#2 Cheng Wen-Chin 2
#3 Zheng Wenqin 2
#4 Wenqin Zheng 1
#5 Wu Zhong-Hao 1
#6 Chen Jim 1
#7 Wang Tsun-Ching 1
#8 Zheng Wenqin Zhang 1
#9 Chang Han-Chung 1
#10 Wen-Chin Cheng 1

Latest patents

Publication Filing date Title
CN102056370A Light source electric power control method and system for projector using light-emitting diode light source
TW201112873A Electric power control method for a led light source projector
US2010053779A1 Digital presenter using gooseneck
US2006219882A1 Lens assembly having focal length adjustable by a spacer for obtaining an image of an object
US2006221193A1 Visualizer and signal transmission method using low voltage differential signal technology
TW200728894A Projecting system with a color-adjusting mechanism and mehod for adjusting color for the same
CN101009850A Projection system with the color adjusting mechanism and its color adjustment method
TW200728771A Projector with a brightness-adjusting apparatus and method for adjusting brightness for the same
CN101008709A Projector with dimmer and light dimming method therefor
US2006233542A1 Digital data presenting apparatus
US2007046626A1 Digital presenter
CN1972410A Adjustment apparatus and method for brightness of TV wall
TW200719733A Brightness adjusting device for video wall system and method therefor
CN1837940A Lighting system for object projection device
CN1837941A Object boundary fitting method and system for digital data prompter
US2006061681A1 Visual presentation apparatus having illuminating system