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    • 84. 发明授权
    • Photoelectric sensor, information recording system, and information
recording method
    • 光电传感器,信息记录系统和信息记录方法
    • US5629920A
    • 1997-05-13
    • US543135
    • 1995-10-13
    • Shinichi SakanoDaigo AokiMinoru UtsumiMasanori AkadaOsamu Shimizu
    • Shinichi SakanoDaigo AokiMinoru UtsumiMasanori AkadaOsamu Shimizu
    • G11C7/00G11C13/04H04N5/30G11B7/00
    • G11C7/005G11C13/04H04N5/30
    • An information recording system including a photoelectric sensor having a semiconductive, photoconductive layer stacked on an electrode, and an information recording medium having an information recording layer stacked on an electrode so that information can be recorded on the information recording layer by an electric field or electric charge. The photoelectric sensor and the information recording medium are disposed to face each other, and information exposure is carried out with a voltage being applied between the two electrodes, thereby enabling information to be recorded on the information recording medium. The photoconductive layer of the photoelectric sensor is capable of amplifying an electric field or electric charge given to the information recording medium, so that the intensity of electric field or the amount of electric charge given to the information recording medium can be increased to a level higher than the light energy actually applied. Accordingly, information recording of high sensitivity can be performed even if information exposure is carried out with a relatively small light energy.
    • 一种信息记录系统,包括具有层叠在电极上的半导体光电导层的光电传感器和具有堆叠在电极上的信息记录层的信息记录介质,从而可以通过电场或电气将信息记录在信息记录层上 收费。 光电传感器和信息记录介质被设置为彼此面对,并且在两个电极之间施加电压来执行信息曝光,从而使得能够将信息记录在信息记录介质上。 光电传感器的光电导层能够放大给予信息记录介质的电场或电荷,从而可以将给予信息记录介质的电场强度或电荷量提高到更高的水平 比实际应用的光能量。 因此,即使以较小的光能进行信息曝光,也可以进行高灵敏度的信息记录。
    • 87. 发明授权
    • Optical random access memory having multiple state data spots for
extended storage capacity
    • 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
    • US5465238A
    • 1995-11-07
    • US273002
    • 1994-07-07
    • James T. Russell
    • James T. Russell
    • G11C11/42G02B3/00G02B3/08G02B13/00G11C7/00G11C11/56G11C13/04H04N1/21
    • G11C11/5678G11C11/56G11C13/04G11C13/041G11C7/005G11C13/0004
    • 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.
    • 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。