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James Doherty
Donald B Doherty, Henry Chu, James D Huffman: Blocked stepped address voltage for micromechanical devices. Texas Instruments Incorporated, Charles A Brill, Wade James Brady III, Frederick J Telecky Jr, November 12, 2002: US06480177 (205 worldwide citation)

A method of addressing an array of spatial light modulator elements. The method divides the array into blocks of elements, provides reset lines (MRST) to each of the block of elements, separate from the other blocks of elements, as well as address voltage supplies (VCC


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Larry J Hornbeck: Multi-level digital micromirror device. Texas Instruments Incorporated, James C Kesterson, Charles A Brill, Richard L Donaldson, December 10, 1996: US05583688 (434 worldwide citation)

An improved hidden hinge digital micromirror device, and method of making the same, having hinges 424 attached to a yoke 428 which limits the rotation of the device mirror 430. In one embodiment, the mirror 430 is supported by a center support post 416 attached to two torsion hinges 424 by a landing ...


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Michael Leddy, Mark Boysel, James A Delong, James M Florence, Tsen Hwang Lin, Jeffrey Sampsell: Digital micro-mirror based image simulation system. Texas Instruments Incorporated, Charles A Brill, James C Kesterson, Richard L Donaldson, October 10, 1995: US05457493 (419 worldwide citation)

An image simulation system 20 for testing sensor systems 26 and for training image sensor personnel wherein synthetic image data is generated by a scene generator 21 and projected by an image projector 23. The image projector 23 uses a digital micromirror device array 27 to modulate the incident ene ...


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Richard O Gale, Randall S Lawson, Harlan P Cleveland, Henry Chu, Carl W Davis, Scott D Heimbuch, Claude E Tew: Optimized electronic operation of digital micromirror devices. Texas Instruments Incorporated, Charles A Brill, James C Kesterson, Richard L Donaldson, August 22, 1995: US05444566 (330 worldwide citation)

A method for controlling a digital micromirror device 40 resulting in decreased mechanical stress, longer device lifetimes, decreased incidence of spontaneous bit reset, and increased pulse-width modulation accuracy. To reduce the device stress, the bias voltage 142 applied to the mirror 50 may be r ...


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Duane E Carter, James D Huffman, Rodney D Miller, Brian L Ray, Robert E Meier: Reduced micromirror mirror gaps for improved contrast ratio. Texas Instruments Incorporated, Charles A Brill, Frederick J Telecky Jr, Richard L Donaldson, February 22, 2000: US06028690 (298 worldwide citation)

A micromirror array fabricated on a semiconductor substrate 708. The micromirrors in the micromirror array logically divided into an interior active region 704 which selectively modulates light striking the mirrors in the interior active region 704, and an exterior border region 702 for producing a ...


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Rodney Miller, Richard Gale, Harian Paul Cleveland, Mark L Burton: Multiple bias level reset waveform for enhanced DMD control. Texas Instruments Incorporated, Charles A Brill, James C Kesterson, Richard L Donaldson, June 23, 1998: US05771116 (295 worldwide citation)

A DMD spatial light modulator (20) having an improved reset waveform (80) that improves the electrostatic control over the DMD mirrors (30) during switching states (T3). An intermediate bias level is provided to the yoke (32) and mirror (30) during the mirror reset cycle (T3) which is sufficient to ...


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E Earle Thompson, Thomas W DeMond: System for imaging of light-sensitive media. Texas Instruments Incorporated, Charles A Brill, Wade James Brady III, Frederick J Telecky Jr, April 11, 2000: US06049317 (280 worldwide citation)

A digitized video system having a processor and a video memory. The processor converts a stream of digital information to extract the information in a format to be usable with a moving display surface. A spatial light modulator is connected to a video memory connected to the processor to display the ...


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Larry J Hornbeck: Support post architecture for micromechanical devices. Texas Instruments Incorporated, Charles A Brill, James C Kesterson, Richard L Donaldson, July 22, 1997: US05650881 (272 worldwide citation)

A support pillar 426 for use with a micromechanical device, particularly a digital micromirror device, comprising a pillar material 422 supported by a substrate 400 and covered with a metal layer 406. The support pillar 426 is fabricated by depositing a layer of pillar material on a substrate 400, p ...