Optical random access memory having multiple state data spots for
extended storage capacity
    1.
    发明授权
    Optical random access memory having multiple state data spots for extended storage capacity 失效
    具有用于扩展存储容量的多个状态数据点的光学随机存取存储器

    公开(公告)号:US5465238A

    公开(公告)日:1995-11-07

    申请号:US273002

    申请日:1994-07-07

    申请人: James T. Russell

    发明人: James T. Russell

    摘要: An optical memory is disclosed in which data is stored in an optical data layer capable of selectively altering light such as by changeable transmissivity or polarization. The data is illuminated by controllable light sources and an array of multi-surface imaging lenslets project the image onto a common array of light sensors. Data is organized into a plurality of regions or patches (called pages) in which each page contains a field of data spots that encode multiple states or levels of data by the amount of transmissivity or polarization of that spot. By selective illumination of each data page, one of the lenslets images the selected data page onto the light sensors. Light in the data image pattern strikes different ones of the arrayed light sensors, thereby outputting the multiple levels per spot in the form of electrical data signals that are A/D converted to digital. A special sensor array uses charge coupled devices (CCDs) that provide multiple storage buckets or levels for each photo sensor element to store and output reference level data along with signal data to quantify and normalize the sensor elements. By selectively and sequentially illuminating different ones of the data regions (pages) on the data layer, correspondingly different data spot patterns are imaged by the corresponding lenslets onto the common sensor array, thereby enabling many stored data pages to be retrieved by multiplexing at electro-optical speed.

    摘要翻译: 公开了一种光学存储器,其中数据存储在能够选择性地改变光的光学数据层中,例如通过可变的透射率或极化。 数据由可控光源照明,并且多表面成像小透镜的阵列将图像投影到共同的光传感器阵列上。 数据被组织成多个区域或补丁(称为页面),其中每个页面包含通过该点的透射率或极化量来编码多个状态或数据级别的数据点的场。 通过选择性地照射每个数据页,其中一个小透镜将所选数据页映像到光传感器上。 数据图像图案中的光照射到不同的阵列光传感器中,从而以A / D转换为数字的电数据信号的形式输出每个点的多个电平。 特殊的传感器阵列使用电荷耦合器件(CCD),其为每个光电传感器元件提供多个存储桶或电平,用于存储和输出参考电平数据以及信号数据以量化和归一化传感器元件。 通过选择性地和依次地照射数据层上的数据区域(页)中的不同数据区域,相应的不同的数据斑点图案被相应的小透镜成像到公共传感器阵列上,从而使得许多存储的数据页可以通过在电 - 光学速度。

    Optical random access memory
    2.
    发明授权
    Optical random access memory 失效
    光学随机存取存储器

    公开(公告)号:US5379266A

    公开(公告)日:1995-01-03

    申请号:US815924

    申请日:1991-12-30

    申请人: James T. Russell

    发明人: James T. Russell

    摘要: An optical memory is disclosed in which data is stored in an optical data layer capable of selectively altering light such as by changeable transmissivity, reflectivity, polarization, and/or phase. The data is illuminated by controllable light sources and an array of multi-surface imaging lenslets project the image onto a common array of light sensors. Data is organized into a plurality of regions or patches (called pages) and by selective illumination of each data page, one of the lenslets images the selected data page onto the light sensors. Light in the data image pattern strikes different ones of the arrayed light sensors, thereby outputting a pattern of binary bits in the form of electrical data signals. By selectively and sequentially illuminating different ones of the data regions (pages) on the data layer, correspondingly different data patterns are imaged by the corresponding lenslets onto the common sensor array, thereby enabling many stored data pages to be retrieved by multiplexing at electro-optical speed.

    摘要翻译: 公开了一种光存储器,其中数据存储在能够选择性地改变光的光学数据层中,例如通过可变的透射率,反射率,极化和/或相位。 数据由可控光源照明,并且多表面成像小透镜的阵列将图像投影到共同的光传感器阵列上。 数据被组织成多个区域或贴片(称为页面),并且通过选择性地照射每个数据页面,其中一个小透镜将选择的数据页面图像到光传感器上。 数据图像图案中的光照射阵列光传感器中的不同的,从而以电数据信号的形式输出二进制位的图形。 通过选择性地并且顺序地照射数据层上的不同数据区域(页面),相应的不同数据模式被相应的小透镜成像到公共传感器阵列上,从而使许多存储的数据页可以通过电光复用 速度。

    Optical random access memory
    3.
    发明授权
    Optical random access memory 失效
    光学随机存取存储器

    公开(公告)号:US5696714A

    公开(公告)日:1997-12-09

    申请号:US256202

    申请日:1994-06-28

    申请人: James T. Russell

    发明人: James T. Russell

    摘要: An optical memory (10) is disclosed in which data is stored in an optical data layer (19) capable of selectively altering light such as by changeable transmissivity, reflectivity, polarization, and/or phase. The data is illuminated by controllable light sources (15) and an array of multi-surface imaging lenslets (21) project the image onto a common array of light sensors (27). Data is organized into a plurality of regions or patches (called pages) and by selective illumination of each data page, one of the lenslets (21) images the selected data page onto the light sensors (27). Light in the data image pattern strikes different ones of the arrayed light sensors (27), thereby outputting a pattern of binary bits in the form of electrical data signals. By selectively and sequentially illuminating different ones of the data regions (pages) on the data layer (19), correspondingly different data patterns are imaged by the corresponding lenslets (21) onto the common sensor array (27), thereby enabling many stored data pages to be retrieved by multiplexing at electro-optical speed.

    摘要翻译: PCT No.PCT / US92 / 11356 Sec。 371日期:1994年6月28日 102(e)日期1994年6月28日PCT提交1992年12月30日PCT公布。 第WO93 / 13529号公报 日期:1993年7月8日公开了一种光存储器(10),其中数据存储在能够通过可变的透射率,反射率,极化和/或相位选择性地改变光的光学数据层(19)中。 数据由可控光源(15)照明,并且多表面成像小透镜(21)的阵列将图像投影到共同的光传感器阵列(27)上。 数据被组织成多个区域或贴片(称为页面),并且通过选择性地照射每个数据页,其中一个小透镜(21)将选择的数据页映像到光传感器(27)上。 数据图像图案中的光照射阵列光传感器(27)中的不同的,从而以电数据信号的形式输出二进制位的图形。 通过选择性地和顺序地照射数据层(19)上的不同数据区域(页),相应的不同数据图案被相应的小透镜(21)成像到公共传感器阵列(27)上,从而使许多存储的数据页 以电光速度进行多路复用。

    Optical random access memory
    4.
    发明授权

    公开(公告)号:US5541888A

    公开(公告)日:1996-07-30

    申请号:US334185

    申请日:1994-11-03

    申请人: James T. Russell

    发明人: James T. Russell

    摘要: An optical memory is disclosed in which data is stored in an optical data layer capable of selectively altering light such as by changeable transmissivity, reflectivity, polarization, and/or phase. The data is illuminated by controllable light sources and an array of multi-surface imaging lenslets project the image onto a common array of light sensors. Data is organized into a plurality of regions or patches (called pages) and by selective illumination of each data page, one of the lenslets images the selected data page onto the light sensors. Light in the data image pattern strikes different ones of the arrayed light sensors, thereby outputting a pattern of binary bits in the form of electrical data signals. By selectively and sequentially illuminating different ones of the data regions (pages) on the data layer, correspondingly different data patterns are imaged by the corresponding lenslets onto the common sensor array, thereby enabling many stored data pages to be retrieved by multiplexing at electro-optical speed.

    Optical random access memory having diffractive simplex imaging lens
    5.
    发明授权
    Optical random access memory having diffractive simplex imaging lens 失效
    具有衍射单纯形成像透镜的光学随机存取存储器

    公开(公告)号:US5511035A

    公开(公告)日:1996-04-23

    申请号:US272672

    申请日:1994-07-07

    申请人: James T. Russell

    发明人: James T. Russell

    摘要: An optical memory stores data in an optical data layer capable of selecting altering light such as by changeable transmissivity. Data is organized into a plurality of regions or patches (called pages) in which each page contains a field of data spots storing binary data as the presence or absence of a hole. The data is illuminated by controllable light sources and an array of single element diffractive imaging lenslets, one for each data page, projects the image onto a common array of light sensors. By selective illumination of each data page, one of the single element lenslets images the selected data page of holes onto the light sensors. By selecting a hole size and using a certain range of restricted acceptance angle grooves on the diffractive elements, the data image is optimized for a single diffractive element lens.

    摘要翻译: 光学存储器将数据存储在能够选择改变光的光学数据层中,例如通过可变的透射率。 数据被组织成多个区域或补丁(称为页面),其中每个页面包含存储二进制数据的数据点的字段作为孔的存在或不存在。 数据由可控光源照射,并且单个元素衍射成像小透镜的阵列(每个数据页面一个)将图像投影到共同的光传感器阵列上。 通过对每个数据页进行选择性照明,单个元件小透镜中的一个将所选择的数据页面的图像成像到光传感器上。 通过选择孔尺寸并在衍射元件上使用一定范围的限制接受角度凹槽,数据图像针对单个衍射元件透镜进行了优化。

    Optical random access memory having folded image
    6.
    发明授权
    Optical random access memory having folded image 失效
    具有折叠图像的光学随机存取存储器

    公开(公告)号:US5436871A

    公开(公告)日:1995-07-25

    申请号:US272112

    申请日:1994-07-07

    申请人: James T. Russell

    发明人: James T. Russell

    摘要: A compact optical memory in which data is stored in an optical data layer capable of selectively altering light such as by changeable transmissivity, reflectivity, polarization, and/or phase. The data is illuminated by controllable light sources and an array of multi-surface diffractive imaging lenslets cause a data image to be projected onto an array of light sensors by reflecting, hence folding the image rays, by means of a mirror that both reflects and optically modifies the light rays to redirect them onto the sensor array located substantially coplanar with the data layer. Data is organized into an annular array of patches (called pages). By selective illumination of each data page, one of the lenslets images the selected data page onto a central image plane where the sensor array is located. Light in the data image pattern strikes different ones of the arrayed light sensors, thereby outputting a pattern of binary bits in the form of electrical data signals. By selectively and sequentially illuminating different ones of the data regions (pages) on the data layer, correspondingly different data patterns are imaged by the corresponding lenslets onto the common sensor array, thereby enabling many stored data images to be retrieved by multiplexing at electro-optical speed.

    摘要翻译: 一种紧凑的光学存储器,其中数据存储在能够通过可变的透射率,反射率,极化和/或相位选择性地改变光的光学数据层中。 数据由可控光源照射,并且多表面衍射成像小透镜的阵列使数据图像通过反射和光学反射而折射图像射线而投影到光传感器阵列上 修改光线将其重定向到与数据层基本上共面定位的传感器阵列上。 数据被组织成一个环形阵列的补丁(称为页面)。 通过选择性地照射每个数据页,其中一个小透镜将所选择的数据页映像到传感器阵列所在的中心图像平面上。 数据图像图案中的光照射阵列光传感器中的不同的,从而以电数据信号的形式输出二进制位的图形。 通过选择性地和顺序地照射数据层上的不同数据区域(页),相应的不同数据模式被相应的小透镜成像到公共传感器阵列上,从而使许多存储的数据图像能够通过电光复用 速度。