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    • 1. 发明授权
    • Addressing device and method for rapid video response in a bistable
liquid crystal display
    • 用于双稳态液晶显示器中快速视频响应的寻址装置和方法
    • US5699074A
    • 1997-12-16
    • US409406
    • 1995-03-24
    • Jeffrey W. SutherlandTimothy P. O'Hagan
    • Jeffrey W. SutherlandTimothy P. O'Hagan
    • G06F1/16G09G3/36G09G3/00
    • G06F1/1637G06F1/1626G09G3/3629G09G2300/0486G09G2310/04G09G2310/06
    • A front-lit, non-gray scale liquid crystal display device (10) including a polymer stabilized cholesteric liquid crystalline material has two optical states stable in the absence of an electric field. In a reflecting optical state incident illumination is directly reflected by the liquid crystal, producing a light pixel. In a scattering optical state incident illumination is absorbed by a black surface on the rear of the display, producing a dark pixel. A method employing a plurality of display control signals having the same polarity and differing phase relationships permits the fast video response of the display, notwithstanding that the average time to switch from a scattering optical state to a reflecting optical state is about 30 milliseconds, requiring about fifteen seconds to update a typical 480-row liquid crystal display using conventional array sequencing techniques. Several routines are presented for determining when to update such a display for a variety of applications.
    • 包含聚合物稳定的胆甾型液晶材料的前照亮的非灰度级液晶显示装置(10)具有在不存在电场的情况下稳定的两种光学状态。 在反射光学状态下,入射照明被液晶直接反射,产生光像素。 在散射光学状态下,入射照明由显示器背面的黑色表面吸收,产生暗像素。 使用具有相同极性和不同相位关系的多个显示控制信号的方法允许显示器的快速视频响应,尽管从散射光学状态切换到反射光学状态的平均时间约为30毫秒,需要约 使用常规阵列测序技术更新典型的480行液晶显示器十五秒钟。 提出了几个例程来确定何时更新这种用于各种应用的显示器。
    • 2. 发明授权
    • Programmable shelf tag and method for changing and updating shelf tag information
    • 可编程货架标签和更换和更新货架标签信息的方法
    • US06253190B1
    • 2001-06-26
    • US09026826
    • 1998-02-20
    • Jeffrey W. Sutherland
    • Jeffrey W. Sutherland
    • G06F1760
    • G06F3/147G06Q20/201G09G2380/04
    • A shelf tag comprising a liquid crystal display having optical states which are stable without power and an interface that allows for each character element to be programmed easily by sweeping a programming device across the character element contacts with all power and signal requirements being supplied to the shelf tag by the programming device. The programming device can be integrated with a portable transaction computer equipped with a bar code reader or can be embodied in a stand-alone apparatus capable of receiving user input, displaying information and interfacing to the shelf tags. A method of using the shelf tags, the programming device and a radio frequency computer local area network are presented which automates many typical business applications such as inventory updating and simultaneously changing prices advertised on the shelf tags.
    • 一种货架标签,其包括具有光学状态的液晶显示器,该液晶显示器在没有电力的情况下是稳定的,以及允许通过扫描编程装置跨过字符元件接触来容易地编程每个字符元件的接口,所有的功率和信号要求被提供给搁架 标签由编程设备。 编程设备可以与配备有条形码读取器的便携式交易计算机集成,或者可以体现在能够接收用户输入,显示信息和与货架标签接口的独立设备中。 提出了使用货架标签,编程装置和射频计算机局域网的方法,其自动化许多典型的商业应用,例如库存更新并同时改变在货架标签上宣传的价格。
    • 6. 发明授权
    • Programmable shelf tag and method for changing and updating shelf tag
information
    • 可编程货架标签和更换和更新货架标签信息的方法
    • US5751257A
    • 1998-05-12
    • US430350
    • 1995-04-28
    • Jeffrey W. Sutherland
    • Jeffrey W. Sutherland
    • G06F3/147G09G3/36G09G3/18
    • G06F3/147G06Q20/201G09G2380/04
    • A shelf tag comprising a liquid crystal display having optical states which are stable without power and an interface that allows for each character element to be programmed easily by sweeping a programming device across the character element contacts with all power and signal requirements being supplied to the shelf tag by the programming device. The programming device can be integrated with a portable transaction computer equipped with a bar code reader or can be embodied in a stand-alone apparatus capable of receiving user input, displaying information and interfacing to the shelf tags. A method of using the shelf tags, the programming device and a radio frequency computer local area network are presented which automates many typical business applications such as inventory updating and simultaneously changing prices advertised on the shelf tags.
    • 一种货架标签,其包括具有光学状态的液晶显示器,该液晶显示器在没有电力的情况下是稳定的,以及允许通过扫描编程装置跨过字符元件接触来容易地编程每个字符元件的接口,所有的功率和信号要求被提供给搁架 标签由编程设备。 编程设备可以与配备有条形码读取器的便携式交易计算机集成,或者可以体现在能够接收用户输入,显示信息和与货架标签接口的独立设备中。 提出了使用货架标签,编程装置和射频计算机局域网的方法,其自动化许多典型的商业应用,例如库存更新并同时改变在货架标签上宣传的价格。