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    • 81. 发明申请
    • PULSE WIDTH MODULATED CIRCUITRY FOR INTEGRATED DEVICES
    • 用于集成器件的脉冲宽度调制电路
    • US20100176855A1
    • 2010-07-15
    • US12352034
    • 2009-01-12
    • James D. HuffmanJohn A. Agostinelli
    • James D. HuffmanJohn A. Agostinelli
    • H03K5/01
    • G09G3/2014G09G3/3433G09G2300/0828G09G2310/027
    • An apparatus for producing a separate pulse width modulation signal for each of a plurality of integrated devices, comprising circuitry for each integrated device having structures that :receive and convert a digital signal for each integrated device to an analog voltage level; sample the analog voltage level and storing such analog voltage level; and compare the stored analog voltage level to a common dynamic reference signal and producing a variable width pulse having a first level when the reference signal is above the analog voltage level and a second level when the reference signal is below the analog voltage level, wherein the common dynamic reference signal is the same signal for each integrated device
    • 一种用于为多个集成器件中的每一个生成单独的脉冲宽度调制信号的装置,包括用于每个集成器件的电路,其具有以下结构:将每个集成器件的数字信号接收并转换为模拟电压电平; 对模拟电压电平进行采样并存储模拟电压电平; 并且将所存储的模拟电压电平与公共动态参考信号进行比较,并且当参考信号高于模拟电压电平时产生具有第一电平的可变宽度脉冲,并且当参考信号低于模拟电压电平时产生第二电平,其中, 每个集成器件的通用动态参考信号是相同的信号
    • 84. 发明授权
    • Laser projector having silhouette blanking for objects in the output light path
    • 激光投影机具有输出光路中的物体的剪影消隐
    • US06984039B2
    • 2006-01-10
    • US10725179
    • 2003-12-01
    • John A. Agostinelli
    • John A. Agostinelli
    • G03B21/00G03B21/26
    • H04N5/7416H04N9/3161H04N9/3194
    • A projection apparatus (18) forms an image frame (22) on a display surface (12), where the image frame (22) is a two-dimensional array of pixels. The projection apparatus (18) has a laser (40) light source, an image modulator (42) for forming an image-bearing beam according to scanned line data, and projection optics (44) for projecting the image-bearing beam toward the display surface (12). A camera (20) obtains a sensed pixel array by sensing the two-dimensional array of pixels from the display surface (12). A control logic processor (28) compares the sensed pixel array with corresponding image data to identify any portion of the image-bearing beam that is obstructed from the display surface (12) and to disable obstructed portions of the image-bearing beam for at least one subsequent image frame (22).
    • 投影设备(18)在显示表面(12)上形成图像帧(22),其中图像帧(22)是二维像素阵列。 投影设备(18)具有激光(40)光源,用于根据扫描线数据形成图像承载光束的图像调制器(42)和用于将图像承载光束投影到显示器的投影光学器件(44) 表面(12)。 相机(20)通过从显示表面(12)感测二维像素阵列来获得感测像素阵列。 控制逻辑处理器(28)将所感测的像素阵列与对应的图像数据进行比较,以识别从显示表面(12)阻挡的图像承载梁的任何部分,并且至少使图像承载梁的阻挡部分至少 一个后续图像帧(22)。
    • 85. 发明授权
    • Adaptive autostereoscopic display system
    • 自适应自动立体显示系统
    • US06752498B2
    • 2004-06-22
    • US09854699
    • 2001-05-14
    • Edward CovannonJohn A. AgostinelliJoshua M. CobbMichael E. MillerDavid Kessler
    • Edward CovannonJohn A. AgostinelliJoshua M. CobbMichael E. MillerDavid Kessler
    • A61B302
    • G06F3/011G02B27/225H04N13/286H04N13/346H04N13/363H04N13/373H04N13/376H04N13/38H04N13/393H04N13/398
    • An autostereoscopic image display apparatus (10) that adapts to sensed feedback data about an observer (12) in order to conform its operation to adapt to the position and intraocular dimensions of the observer. The apparatus (10) uses ball lens projection optics to provide wide field-of-view pupil imaging, providing separate left- and right-eye images to the left and right eye pupils (14l,14r) of the observer (12), respectively. The apparatus (10) compensates for positional variables such as variable interocular distance and variable observer distance from projection optics. At least one observer feedback sensor (52) is disposed to provide feedback data about the observer (12). The feedback data can be used by a control logic processor (50) that, based on the data, adjusts left- and right viewing pupil forming apparatus (36l,36r). The control logic processor (50), based on sensed feedback data, may also vary image content or provide other stimuli such as smell, movement, and sound.
    • 一种自动立体图像显示装置(10),其适应于关于观察者(12)的感测反馈数据,以便使其符合其操作以适应观察者的位置和眼内尺寸。 装置(10)使用球透镜投影光学器件来提供宽视野光瞳成像,分别向观察者(12)的左眼瞳孔和右眼瞳孔(14l,14r)提供单独的左眼图像和右眼图像 。 装置(10)补偿诸如可变的眼间距离和距离投影光学器件的可变观察距离的位置变量。 设置至少一个观察者反馈传感器(52)以提供关于观察者(12)的反馈数据。 反馈数据可以由控制逻辑处理器(50)使用,该控制逻辑处理器(50)基于该数据来调整左和右视野光瞳形成装置(36l,36r)。 基于感测到的反馈数据,控制逻辑处理器(50)还可以改变图像内容或提供诸如气味,运动和声音的其它刺激。
    • 86. 发明授权
    • Head-mounted optical apparatus for stereoscopic display
    • 用于立体显示的头戴式光学装置
    • US06522474B2
    • 2003-02-18
    • US09878701
    • 2001-06-11
    • Joshua M. CobbJohn A. AgostinelliDavid Kessler
    • Joshua M. CobbJohn A. AgostinelliDavid Kessler
    • G02B2714
    • G02B27/0172G02B2027/0132
    • A head-mounted optical apparatus (10) providing pupil imaging with a very wide field of view. The head-mounted optical apparatus (10) employs a monocentric arrangement of optical components providing stereoscopic display of a virtual image, electronically generated and projected as left and right images from curved surfaces (68). For each right and left image, a ball lens assembly (30) is used to project a displayed intermediate image from the curved display surface (68) toward a beamsplitter (16), which directs an intermediate image toward the front focal surface of a curved mirror (24) that collimates the image to form a virtual image. The beamsplitter (16) transmits the virtual image for each eye to the observer.
    • 一种头戴式光学装置(10),提供具有非常宽的视野的瞳孔成像。 头戴式光学设备(10)采用提供虚拟图像的立体显示的光学部件的单中心布置,由弯曲表面(68)电子地生成和投影为左和右图像。 对于每个左右图像,球透镜组件(30)用于将显示的中间图像从弯曲显示表面(68)投影到分束器(16),分束器(16)将中间图像引导到弯曲的 镜像(24),准直图像以形成虚像。 分束器(16)将每个眼睛的虚拟图像发送给观察者。
    • 87. 发明授权
    • Autostereoscopic optical apparatus using a scanned linear image source
    • 使用扫描线性图像源的自动立体光学装置
    • US06511182B1
    • 2003-01-28
    • US10010500
    • 2001-11-13
    • John A. AgostinelliDavid Kessler
    • John A. AgostinelliDavid Kessler
    • G03B2100
    • G02B27/225H04N13/00
    • A monocentric arrangement of optical components providing stereoscopic display of a virtual image, electronically generated, line by line, from a linear image source (36) and projected, as a real intermediate image, near the focal surface (22) of a curved mirror (24) by means of a scanning ball lens assembly (100). To form each left and right intermediate image component, a separate image generation system (70) comprises a scanning ball lens assembly (100) comprising a spherical lens (46) for wide field of view and a reflective surface (102). A monocentric arrangement of optical components images the left and right scanning ball lens pupil at the corresponding left and right viewing pupil (14) of the observer (12) and essentially provides a single center of curvature for projection components. Use of such a monocentric arrangement with linear image source (36) and scanning ball lens assemblies (100) provides an exceptionally wide field of view with large viewing pupil (14).
    • 光学部件的单中心布置提供从线性图像源(36)逐行地电子地生成的虚拟图像的立体显示,并且作为实际中间图像投射在曲面镜的焦点表面(22)附近 24)通过扫描球透镜组件(100)。 为了形成每个左右中间图像分量,单独的图像生成系统(70)包括包括用于宽视场的球面透镜(46)和反射表面(102)的扫描球透镜组件(100)。 光学部件的单中心布置使左右扫描球透镜光瞳在观察者(12)的相应左和右视瞳(14)上成像,并且基本上为投影部件提供单个曲率中心。 使用具有线性图像源(36)和扫描球透镜组件(100)的这种单中心布置提供了具有大的观察瞳孔(14)的非常宽的视场。
    • 88. 发明授权
    • Method and system for capturing images from a video tape for the purpose of creating a motion card
    • 为了创建运动卡,从视频磁带捕获图像的方法和系统
    • US06198544B1
    • 2001-03-06
    • US09056949
    • 1998-04-08
    • Raymond E. WessJohn A. AgostinelliGirish V. Prabhu
    • Raymond E. WessJohn A. AgostinelliGirish V. Prabhu
    • H04N121
    • H04N1/00283B42D15/00H04N1/00297H04N1/00411H04N1/34
    • A system for forming a motion card from frames of video selected by a user from a sequence of video frames that have been previously recorded on a video tape incorporates a kiosk that contains a video tape player, a processor receives a sequence of video frames from the video tape player, a display is used to display a selected range of video frames received by the processor, and step-by-step interactive instructions for the user for enabling the user to select video frames from the displayed selected range of video frames for preview display is improved by enabling the processing and display of video frames as if they were formed on the motion card so as to provide a high degree of correspondence between the displayed motion card and the to be formed motion card. A viewable simulation of the adjacency effect that will be present in the formed motion card enables the operator to improve the selection of the frames to be used in the formed motion card. Additionally, editing software enables the user to reselect video frames from the selected sequence of video frames so as to effectively change the content of the displayed motion card to meet the user's taste. A printer and a laminator, located in the kiosk or in communication with the kiosk, are used to print the selected frames in an interleaving manner, on a card sheet and for laminating a lenticular sheet over the interleaved printing so as to provide a motion card that replicates the motion image previewed on the display.
    • 用户从先前记录在视频磁带上的视频帧序列中选择的视频帧中形成运动卡的系统包括一个包含视频磁带播放器的信息亭,处理器接收来自视频帧的视频帧序列 视频磁带播放器,显示器用于显示由处理器接收的所选择的视频帧范围,以及用于用户的逐步交互指令,以使用户能够从显示的所选择的视频帧范围中选择视频帧以进行预览 通过使视频帧的处理和显示就像在运动卡上形成一样,从而提供所显示的动作卡和要形成的运动卡之间的高度对应关系来改善显示。 将在形成的运动卡中存在的相邻效果的可视模拟使得操作者能够改进在形成的运动卡中使用的帧的选择。 此外,编辑软件使得用户能够从所选择的视频帧序列重新选择视频帧,以便有效地改变所显示的运动卡的内容以满足用户的品味。 使用位于报亭中或与报亭通信的打印机和层压机,以交错方式在卡片上打印所选择的帧,并且在交错印刷上层叠透镜片,以提供运动卡 复制在显示屏上预览的动态影像。