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    • 2. 发明授权
    • Dynamic illumination control for laser projection display
    • 激光投影显示的动态照明控制
    • US08864313B2
    • 2014-10-21
    • US12484374
    • 2009-06-15
    • Michael A. MarcusMarek W. KowarzJames G. PhalenJohn A. Agostinelli
    • Michael A. MarcusMarek W. KowarzJames G. PhalenJohn A. Agostinelli
    • G02B27/26H04N9/31
    • H04N9/3132
    • A display apparatus (10) has at least one color channel providing a modulated light for each of a plurality of image frames (92). One or more laser sources that provide an illumination beam having a first polarization transmission axis. An imaging modulator (854, 85g, 85b) in the path of the illumination beam is actuable to direct the modulated light toward a projection lens. A laser blanking apparatus in the path of the modulated light is disposed to block transient light between image frames and has at least one analyzer (66) having a second polarization transmission axis that is orthogonal to the first polarization transmission axis and at least one light polarization modulator that is synchronously timed to rotate polarization of transient light during an interval between frames.
    • 显示装置(10)具有为多个图像帧(92)中的每一个提供调制光的至少一个颜色通道。 提供具有第一偏振透射轴的照明光束的一个或多个激光源。 在照明光束的路径中的成像调制器(854,85​​g,85b)可致动以将调制的光引向投影透镜。 设置调制光路径中的激光消隐设备以阻挡图像帧之间的瞬时光,并且具有至少一个分析器(66),其具有与第一偏振透射轴正交的第二偏振透射轴和至少一个光偏振 调制器在帧之间的间隔期间同步定时以旋转瞬态光的偏振。
    • 3. 发明授权
    • Drop placement error reduction in electrostatic printer
    • 静电打印机放置误差减少
    • US08646883B2
    • 2014-02-11
    • US13424436
    • 2012-03-20
    • Michael A. MarcusHrishikesh V. PanchawaghShashishekar P. Adiga
    • Michael A. MarcusHrishikesh V. PanchawaghShashishekar P. Adiga
    • B41J2/07
    • B41J2/115B41J2/09
    • Drop formation devices are provided with a sequence of drop formation waveforms to modulate the liquid jets to selectively cause portions of the liquid jets to break off into print drops having a print drop volume Vp and non-print drops having a non-print drop volume Vnp. The print and non-print drop volumes are distinct from each other. A timing delay device shifts the timing of drop formation waveforms supplied to drop formation devices of first and second nozzle groups so that print drops from the first and second nozzle groups are not aligned relative to each other. A charging device includes a charge electrode that is positioned in the vicinity of break off of liquid jets to produce a print drop charge state on drops of volume Vp and to produce a non-print drop charge state on drops of volume Vnp.
    • 液滴形成装置设置有一系列液滴形成波形,以调制液体射流,以选择性地使液体射流的一部分分解成具有打印液滴体积Vp的打印液滴和具有非打印液滴体积Vnp的非打印液滴 。 打印和非打印下降卷彼此不同。 定时延迟装置移动提供给第一和第二喷嘴组的液滴形成装置的液滴形成波形的定时,使得来自第一和第二喷嘴组的印刷液滴不相对于对准。 充电装置包括位于液体射流分离附近的充电电极,以在液滴Vp上产生打印液滴充电状态,并且在液滴Vnp下产生非打印液滴充电状态。
    • 4. 发明申请
    • DIGITAL DROP PATTERNING AND DEPOSITION DEVICE
    • 数字绘图和沉积装置
    • US20130328976A1
    • 2013-12-12
    • US13492166
    • 2012-06-08
    • Michael A. MarcusHrishikesh V. Panchawagh
    • Michael A. MarcusHrishikesh V. Panchawagh
    • B41J2/02
    • B41J2/005B41J2/2107
    • A liquid dispenser includes a downwardly inclined slide surface. A carrier liquid dispensing channel includes an outlet that exits onto the downwardly inclined slide surface. A carrier liquid source provides a carrier liquid that flows continuously through the carrier liquid dispensing channel, through the outlet of the carrier liquid dispensing channel, and down the downwardly inclined slide surface. A functional liquid supply channel includes an outlet that exits onto the downwardly inclined slide surface. A functional liquid source provides a functional liquid to the outlet of the functional liquid supply channel. A drop formation device, associated with an interface of the outlet of the functional liquid supply channel and the downwardly inclined slide surface, is selectively actuated to form a discrete drop of the functional liquid in the carrier liquid flowing down the downwardly inclined slide surface. The functional liquid is immiscible in the carrier liquid.
    • 液体分配器包括向下倾斜的滑动表面。 载体液体分配通道包括离开到向下倾斜的滑动表面上的出口。 载体液体源提供通过载液分配通道的出口连续流过载液分配通道,并向下倾斜的滑动表面的载液。 功能性液体供应通道包括离开到向下倾斜的滑动表面上的出口。 功能性液体源向功能液体供应通道的出口提供功能性液体。 选择性地致动与功能液体供应通道的出口和向下倾斜的滑动表面的界面相关联的液滴形成装置,以在沿向下倾斜的滑动表面流动的载液中形成离散的功能液滴。 功能液体在载液中是不混溶的。
    • 6. 发明授权
    • Liquid ejection using drop charge and mass
    • 液滴喷射使用滴注和质量
    • US08465129B2
    • 2013-06-18
    • US13115421
    • 2011-05-25
    • Hrishikesh V. PanchawaghMichael A. MarcusJames A. Katerberg
    • Hrishikesh V. PanchawaghMichael A. MarcusJames A. Katerberg
    • B41J2/085
    • B41J2/085
    • A liquid ejection system ejects a liquid jet through a nozzle. A drop formation device modulates the jet causing portions to break off into drop pairs, including first and second drops, separated on average by a drop pair period, and modulates the jet to cause portions to break off into larger third drops separated on average by the same period. A charging device includes a varying electrical potential source providing a waveform including first and second distinct voltage states and a period equal to the drop formation period. The charging device and the formation device are synchronized to produce first, second, and third charge to mass ratios on the first, second, and third drops, respectively. A deflection device causes the first, second, and third drops to travel along first, second, and third paths, respectively. The first and third charge to mass ratios and paths are substantially the same.
    • 液体喷射系统通过喷嘴喷射液体射流。 液滴形成装置调制喷射造成部分,以分解成包括第一和第二液滴在内的液滴组合,平均由液滴对周期分离,并且调制喷射以使部分分解成平均由 同期 充电装置包括提供包括第一和第二不同电压状态以及等于下降形成周期的周期的波形的变化电位源。 充电装置和形成装置被同步以分别在第一,第二和第三液滴上产生第一,第二和第三充料质量比。 偏转装置使第一,第二和第三液滴分别沿着第一,第二和第三路径行进。 第一和第三充料质量比和路径基本相同。
    • 7. 发明申请
    • LIQUID EJECTION METHOD USING DROP VELOCITY MODULATION
    • 使用液滴速度调制的液体喷射方法
    • US20120300001A1
    • 2012-11-29
    • US13115482
    • 2011-05-25
    • Hrishikesh V. PanchawaghMichael A. MarcusJames A. KaterbergAli G. LopezShashishekar P. AdigaJeremy M. Grace
    • Hrishikesh V. PanchawaghMichael A. MarcusJames A. KaterbergAli G. LopezShashishekar P. AdigaJeremy M. Grace
    • B41J2/085
    • B41J2/075B41J2/085
    • A method of ejecting liquid drops includes providing liquid under pressure sufficient to eject a liquid jet through a nozzle of a liquid chamber. The liquid jet is modulated to cause portions of the liquid jet to break off into a series of drop pairs traveling along a path using a drop formation device. Each drop pair is separated in time on average by the drop pair period. Each drop pair includes a first drop and a second drop. A charging device is provided that includes a charge electrode associated with the liquid jet and a source of varying electrical potential between the charge electrode and the liquid jet. The source of varying electrical potential provides a waveform that includes a period that is equal to the drop pair period. The waveform also includes a first distinct voltage state and a second distinct voltage state. The charging device is synchronized with the drop formation device to produce a first charge state on the first drop and to produce a second charge state on the second drop. A relative velocity of a first drop and a second drop of a selected drop pair is varied using a drop velocity modulation device to control whether the first drop and the second drop of the selected drop pair combine with each other to form a combined drop. The combined drop has a third charge state. A deflection device is used to cause the first drop having the first charge state to travel along a first path, to cause the second drop having the second charge state to travel along a second path, and to cause the combined drop having the third charge state to travel along a third path.
    • 喷射液滴的方法包括在足以将液体射流喷射通过液体室的喷嘴的压力下提供液体。 液体射流被调制以使液体射流的一部分由使用液滴形成装置的方式分离成沿路径行进的一系列液滴组。 每个放置对在时间上按照丢包对周期进行平均分离。 每个滴液滴包括第一滴和第二滴。 提供一种充电装置,其包括与液体射流相关联的充电电极和在充电电极和液体射流之间具有变化的电势的源。 变化电位的源提供包括等于丢失对周期的周期的波形。 波形还包括第一不同电压状态和第二不同电压状态。 充电装置与液滴形成装置同步,以在第一液滴上产生第一充电状态,并在第二液滴上产生第二充电状态。 使用液滴速度调制装置改变所选择的液滴对的第一液滴和第二液滴的相对速度,以控制所选择的液滴对的第一液滴和第二液滴是否彼此结合以形成组合液滴。 组合液滴具有第三次充电状态。 偏转装置用于使具有第一充电状态的第一液滴沿着第一路径行进,以使具有第二充电状态的第二液滴沿第二路径行进,并使组合液滴具有第三充电状态 沿着第三条路行进。
    • 8. 发明申请
    • DUAL-VIEW STEREOSCOPIC DISPLAY USING LINEAR MODULATOR ARRAYS
    • 使用线性调制器阵列的双视图立体显示
    • US20120224036A1
    • 2012-09-06
    • US13473882
    • 2012-05-17
    • Michael A. MarcusJohn A. Agostinelli
    • Michael A. MarcusJohn A. Agostinelli
    • H04N13/04
    • G02B27/2264H04N13/341H04N2013/403
    • A method for displaying first and second stereoscopic images to first and second viewers provides the first viewer with a first decoding device having a first viewer differentiating element for receiving the first stereoscopic image and further having a first left- and right-eye differentiating elements for separating left- and right-eye images. The second viewer is provided with a second decoding device having a second viewer differentiating element for receiving the second stereoscopic image and further having a second left- and right-eye differentiating element. The first stereoscopic image is displayed to the first viewer by forming a first left-eye image and forming a first right-eye image, each over substantially half of the refresh period. The second stereoscopic image is displayed to the second viewer by forming a second left-eye image and forming a second right-eye image, each over substantially half of the refresh period.
    • 用于向第一和第二观看者显示第一和第二立体图像的方法为第一观看者提供第一解码装置,该第一解码装置具有用于接收第一立体图像的第一观察者分化元件,并且还具有用于分离的第一左眼和右眼微分元素 左眼和右眼图像。 第二观看者具有第二解码装置,其具有用于接收第二立体图像的第二观察者微分元件,并且还具有第二左眼和右眼的微分元素。 第一立体图像通过形成第一左眼图像并形成第一右眼图像而显示给第一观看者,每个图像大约是刷新周期的一半。 第二立体图像通过形成第二左眼图像并形成第二右眼图像显示给第二观看者,每个图像大约是刷新周期的一半。
    • 9. 发明申请
    • PROJECTION DISPLAY SURFACE PROVIDING ARTIFACT REDUCTION
    • 投影显示表面提供减少艺术作品
    • US20120008200A1
    • 2012-01-12
    • US13237111
    • 2011-09-20
    • Barry D. SilversteinMichael A. MarcusAndrew F. Kurtz
    • Barry D. SilversteinMichael A. MarcusAndrew F. Kurtz
    • G03B21/60G02B27/48B82B1/00B82Y20/00
    • H04N9/3132G03B21/60G03B33/16
    • A projection display surface for reducing speckle artifacts from a projector having at least one narrow band light source having an incident visible wavelength band, wherein the incident visible wavelength band has an incident peak wavelength and an incident bandwidth, comprising: a substrate having a reflective layer that reflects incident light over at least the incident visible wavelength band; and a fluorescent agent distributed over the reflective layer, wherein the fluorescent agent absorbs a fraction of the light in the incident visible wavelength band and emits light in an emissive visible wavelength band having an emissive peak wavelength and an emissive bandwidth; wherein return light from the projection display surface produced when incident light in the incident visible wavelength band is incident on the projection display surface contains light in both the incident visible wavelength band and emissive visible wavelength band, thereby reducing speckle artifacts.
    • 一种投影显示表面,用于减少具有入射可见波长带的至少一个窄带光源的投影仪的散斑伪像,其中入射的可见波长带具有入射峰值波长和入射带宽,包括:具有反射层 至少反射入射可见波长带的入射光; 以及分布在所述反射层上的荧光剂,其中所述荧光剂吸收所述入射可见波长带中的一部分光并发射具有发射峰值波长和发射带宽的发射可见光波长带中的光; 其中,当入射到所述投影显示面上的入射光入射到所述投影显示面上时,来自所述投影显示面的返回光包含入射的可见波长带和发光可见波长带中的光,从而减少斑点伪像。
    • 10. 发明授权
    • Apparatus for controlling peel position in a printer
    • 用于控制打印机中的剥离位置的装置
    • US07982758B2
    • 2011-07-19
    • US12569981
    • 2009-09-30
    • Michael A. MarcusThomas F. Kaltenbach
    • Michael A. MarcusThomas F. Kaltenbach
    • B41J2/325
    • B41J17/02B41J17/04
    • An electromechanical system and a printer for maintaining a peel location of media impressed on a receiving substrate. A mounted optical probe has at least one light source and one or more photodetectors for detecting reflected portions of the light emitted or transmitted from the light source. The photodetector indicates to the system controller a distance of the media for controlling a peel location via an electrical signal. A comparator compares the electrical signal with a predetermined electrical signal reference to determine if the media is desirably positioned. The predetermined electrical reference signal corresponds to the desired peel location. The comparator compares the signal levels and outputs a correction signal used in a negative feedback loop for adjusting a velocity of a motor that drives a take-up roller for the media.
    • 一种机电系统和用于保持印刷在接收基板上的介质的剥离位置的打印机。 安装的光学探针具有至少一个光源和一个或多个光电检测器,用于检测从光源发射或发射的光的反射部分。 光电检测器通过电信号向系统控制器指示用于控制剥离位置的介质的距离。 比较器将电信号与预定的电信号参考值进行比较,以确定介质是否期望定位。 预定的电参考信号对应于期望的剥离位置。 比较器比较信号电平并输出用于负反馈环路的校正信号,用于调节驱动介质卷取辊的电机的速度。