1
Dongmin Yang, Theodore A Chilek, Thomas Karpen: System for providing zoom, focus and aperture control in a video inspection device. GE Inspection Technologies, GE Global Patent Operation, December 8, 2009: US07630148 (14 worldwide citation)


An optical system for a remote video inspection device including an elongated probe for inspection of target objects, comprising: an imager located distally within the probe, wherein the imager receives an image of the target object; a focus lens group located within the probe, the focus lens group ...


2
William H Havens, Ynjiun P Wang, Vivian L Hunter, Allan I Krauter, Ervin Goldfain, Raymond A Lia, Richard W Newman, Thomas W Karpen, Bradford Morse, Dongmin Yang: Data reader apparatus having an adaptive lens. Additon Higgins Pendleton & Ashe P A, December 31, 2013: US08616454 (12 worldwide citation)


Systems and methods for making and using handheld data readers comprising one or more fluid lenses. One or more fluid lenses are provided to allow a handheld data reader to perform such operations as reading indicia, including such additional operations as zooming, reorienting a viewing direction, f ...


3
Richard A Tamburrino, Jack L Connelly, Catherine R Wojnowicz, Bruce H Schwager, Dongmin Yang, Raymond A Lia, Jeffrey J Perkins, Roger W Leseberg, Michael T McMahon: Illuminated dental examination instrument. Miltex, Jones Day, May 13, 2008: US07371066 (2 worldwide citation)


An intraoral dental instrument includes an elongate handle or body and a mirror that is releasably attachable to a distal end thereof. An LED housing disposed in the handle proximate a light entrance surface of the mirror includes a housing body sized to retain at least one LED and a reflector attac ...


4
Tao Li, Guiju Song, Kevin George Harding, Dongmin Yang, Zirong Zhai, Jie Han, Gil Abramovich: Inspection device and method thereof. GENERAL ELECTRIC COMPANY, GE Global Patent Operation, November 17, 2015: US09188543


An optical system configured to visually inspect a target having a variable position with respect to the optical system is provided. The optical system includes a polarizer configured to convert an incident light reflected or diffused from the target into linearly polarized light; a light modulating ...


5
Kevin George Harding, Guiju Song, Tao Li, Dongmin Yang, Jie Han, Zirong Zhai: Optical imaging system and method, and aperture stop assembly and aperture element. General Electric Company, Mark A Conklin, GE Global Patent Operation, June 30, 2015: US09069181


An optical imaging system includes a birefringent element, a light modulating element, and a polarizer element. The birefringent element is configured for decomposing un-polarized light into first linear polarized light and second linear polarized light under different refractive indexes to respecti ...


6
Dongmin Yang: Optical system and method. General Electric Company, Cooper Leagl Group, March 3, 2015: US08970934


An optical system in a video probe assembly includes a plurality of lenses configured to refract separate linearly polarized rays under different refractive indexes to form a plurality of different focal lengths. The optical system includes at least one light modulating element that modulates a pola ...


7
William H Havens, Ynjiun P Wang, Vivian L Hunter, Allan I Krauter, Ervin Goldfain, Raymond A Lia, Richard W Newman, Thomas W Karpen, Bradford Morse, Dongmin Yang: Data reader apparatus having an adaptive lens. Wall Marjama & Bilinski, March 22, 2007: US20070063048-A1


Systems and methods for making and using handheld data readers comprising one or more fluid lenses. One or more fluid lenses are provided to allow a handheld data reader to perform such operations as reading indicia, including such additional operations as zooming, reorienting a viewing direction, f ...


8
Bradford Morse, Thomas W Karpen, Dongmin Yang, Allan I Krauter, Ervin Golfain, Raymond A Lia, Richard W Newman, William H Havens, Ynjiun P Wang, Vivian L Hunter: Remote imaging apparatus having an adaptive lens. Marjama & Bilinski, July 5, 2007: US20070156021-A1


Systems and methods for making and using endoscopes comprising one or more fluid lenses. An endoscope or bore-scope for various highly accurate imaging, visual inspection and measurement applications is equipped with an adaptive lens operated based on the electrowetting or electro-capillarity phenom ...


9
Richard A Tamburrino, Jack L Connelly, Catherine R Wojnowicz, Bruce H Schwager, Dongmin Yang, Raymond A Lia, Jeffrey J Perkins, Roger W Leseberg, Michael T McMahon: Illuminated dental examination instrument. Welch Allyn, Wall Marjama & Bilinski, March 16, 2006: US20060057536-A1


An intraoral dental instrument includes an elongate handle or body and a mirror that is releasably attachable to a distal end thereof. An LED housing disposed in the handle proximate a light entrance surface of the mirror includes a housing body sized to retain at least one LED and a reflector attac ...


10
Dongmin Yang, Theodore A Chilek, Thomas Karpen: System for providing zoom, focus and aperture control in a video inspection device. General Electric Company, GE Global Patent Operation, December 17, 2009: US20090310229-A1


An optical system for a remote video inspection device including an elongated probe for inspection of target objects, comprising: an imager located distally within the probe, wherein the imager receives an image of the target object; a focus lens group located within the probe, the focus lens group ...



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