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    • 2. 发明申请
    • PERSONAL DISPLAY SYSTEM
    • 个人展示系统
    • WO1996007947A1
    • 1996-03-14
    • PCT/US1995011344
    • 1995-08-31
    • VIRTUAL I/O, INC.RALLISON, Richard, DennisAMADON, C., GregoryMACK, Wolfgang, Adam, Jr.NIKORA, LeoTSEO, EricDONALDSON, DouglasETTER, Robert, T.
    • VIRTUAL I/O, INC.
    • G02B27/01
    • G06F3/012G02B27/017G02B27/0172G02B27/0176G02B2027/0132G02B2027/0154G02B2027/0156G02B2027/0159G02B2027/0178G02B2027/0187G02B2027/0198
    • A visual display device is provided for delivering a generated image, preferably combinable with environment light, to the eye of a user. In one embodiment an image generator is masked by at least two masks (222, 224) to provide for a high quality image without waste. In one embodiment, a removably mounted shield (302) or activatable device converts the apparatus from a see-through device to an immersion device and back again. A tracker (100) for outputting an indication of the orientation, attitude and/or position of a head-mounted display (HMD) may be provided. The tracker (100) can be configured so that it is incorporated in the HMD housing and/or can be easily decoupled from the HMD, so that the HMD can be used without the tracker (e.g. for watching movies). Preferably, the tracker provides pass-through of signal to the HMD and, when coupled to the HMD, only a single cable (134) connects the HMD-tracker combination to the host computer (510). In one embodiment, the tracker uses magnetic sensors (542a, 542b, 542c). In another embodiment, one or more inertial sensors, such as a rate gyro (52) and/or accelerometers are used (562a, 562b).
    • 提供了一种视觉显示装置,用于将生成的图像优选地与环境光组合到用户的眼睛。 在一个实施例中,图像发生器被至少两个掩模(222,224)掩蔽以提供高质量的图像而不浪费。 在一个实施例中,可移除地安装的屏蔽(302)或可激活装置将装置从透视装置转换成浸没装置并再次返回。 可以提供用于输出头戴式显示器(HMD)的取向,姿态和/或位置的指示的跟踪器(100)。 跟踪器(100)可以被配置为使得它被并入HMD壳体和/或可以容易地与HMD分离,使得HMD可以在没有跟踪器的情况下被使用(例如用于观看电影)。 优选地,跟踪器向HMD提供信号传递,并且当耦合到HMD时,只有单个电缆(134)将HMD跟踪器组合连接到主计算机(510)。 在一个实施例中,跟踪器使用磁传感器(542a,542b,542c)。 在另一个实施例中,使用一个或多个惯性传感器,例如速率陀螺仪(52)和/或加速度计(562a,562b)。
    • 3. 发明申请
    • PERSONAL VISUAL DISPLAY SYSTEM
    • 个人视觉显示系统
    • WO1995021395A1
    • 1995-08-10
    • PCT/US1994009819
    • 1994-08-31
    • VIRTUAL I/O, INC.RALLISON, Dennis, RichardAMADON, C., GregoryMACK, Wolfgang, Adam, Jr.NIKORA, Leo
    • VIRTUAL I/O, INC.
    • G02B27/01
    • G02B27/0172G02B3/08G02B5/30G02B27/0101G02B27/017G02B2027/0118G02B2027/0132G02B2027/0138G02B2027/0143G02B2027/0178G02B2027/0187G02B2027/0198
    • A visual display device is provided for delivering a generated image, preferably combinable with environment light, to the eye of a user. The device is lightweight and compact but yields a high quality image. In one embodiment, a color shutter (88) provides a high-density color image. In one embodiment, a shroud (112) protects from stray light and holds optical elements in desired alignment. In one embodiment an image generator (72) is masked by at least two masks (222 and 224) to provide for a high quality image without waste. In one embodiment, a removably mounted shield (302) or activatable device converts the apparatus from a see-through device to an immersion device and back again. In one embodiment, the device can be comfortably mounted to the user's head while still allowing for use of conventional eyeglasses. In one embodiment various controls, such as a mute button (42), volume control and the like can be provided, such as by mounting on the head-mounted display device.
    • 提供了一种视觉显示装置,用于将生成的图像(优选与环境光组合)传送到用户的眼睛。 该设备重量轻且紧凑,但产生高质量的图像。 在一个实施例中,彩色快门(88)提供高密度彩色图像。 在一个实施例中,护罩(112)防止杂散光并将光学元件保持在期望的对准状态。 在一个实施例中,图像发生器(72)被至少两个掩模(222和224)掩蔽以提供高质量的图像而不浪费。 在一个实施例中,可移除地安装的屏蔽(302)或可激活装置将装置从透视装置转换成浸没装置并再次返回。 在一个实施例中,该装置可以舒适地安装到用户的头部,同时仍然允许使用常规的眼镜。 在一个实施例中,可以提供各种控制,例如静音按钮(42),音量控制等,例如通过安装在头戴式显示装置上。
    • 10. 发明授权
    • Method for preventing the falsification of documents comprising a photograph, preferably a facial-view photograph
    • 防止伪造文件的方法,包括照片,优选面部照片
    • US06636614B1
    • 2003-10-21
    • US09423355
    • 2000-02-14
    • Mario KoeppenWolfgang AdamBertram Nickolay
    • Mario KoeppenWolfgang AdamBertram Nickolay
    • G06K900
    • G07F7/08G07D7/0056G07D7/206G07F7/12G09C5/00H04N1/32203H04N1/32208
    • Disclosed is a method for counterfeit-proof of documents bearing a picture. The picture is transferred into a digital image file or present as a digital image file into which a binary form secret image present is incorporated. The digital image file is divided into cells of a number equaling a number of pixels of the secret image. A parameter function allocates a binary output value to each cell on the basis of parameter values, which describe each image point, in such a manner that the bivalent output value of all the cells yields a bivalent position matrix, by the parameter values of the image points of the individual cells being modified with the aid of an optimizing process in such a manner that, first, the changes made to the image file of the picture of the document result in no visually perceivable changes and, second, the result of applying the parameter function to the individual cells yields a bivalent position matrix which corresponds to the binary values of the secret image.
    • 公开了一种用于防伪图像的文件的方法。 图像被转移到数字图像文件中或呈现为数字图像文件,其中并入了存在二进制形式的秘密图像。 数字图像文件被划分成等于秘密图像的像素数的数字的单元。 参数函数基于参数值分配二进制输出值,该参数值描述每个图像点,以使得所有单元的二价输出值产生二值位置矩阵,由图像的参数值 借助于优化处理,各个单元的点被修改,使得首先,对文档的图像的图像文件进行的改变导致没有视觉上可察觉的改变,第二,应用 对于各个单元的参数函数产生对应于秘密图像的二进制值的二价位置矩阵。