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    • 1. 发明授权
    • Method and apparatus for electronically distributing and viewing digital contents
    • 用于电子分发和查看数字内容的方法和装置
    • US06331865B1
    • 2001-12-18
    • US09173975
    • 1998-10-16
    • James SachsThomas W. PomeroyAleksey NovicovGarth ConboyErik WalterWilliam S. LeshnerBrady DugaRichard Wotiz
    • James SachsThomas W. PomeroyAleksey NovicovGarth ConboyErik WalterWilliam S. LeshnerBrady DugaRichard Wotiz
    • G06F300
    • G06Q30/06G06F15/0283G06F17/3089
    • The present invention is a method and system for electronically distributing digital contents. The digital contents include textual, graphical and pictorial information. At least one portable electronic book is operative to request a digital content from a catalog of distinct digital contents, to receive and display the requested digital content in readable form. An information services system is in electrical communication with the portable electronic book to perform authentication and rendering the requested digital content. An authentication server authenticates the identity of the requesting portable electronic book. A copyright protection server renders the requested digital content sent to the requesting portable electronic book readable only by the requesting portable electronic book. At least one primary virtual bookstore is in electrical communication with the information services system. The primary virtual bookstore is a computer-based storefront accessible by the portable electronic book. The primary virtual bookstore includes the catalog of distinct digital contents and a repository which stores the distinct digital contents listed in the catalog.
    • 本发明是用于电子地分发数字内容的方法和系统。 数字内容包括文本,图形和图形信息。 至少一个便携式电子书可操作以从不同数字内容的目录中请求数字内容,以可读形式接收和显示所请求的数字内容。 信息服务系统与便携式电子书进行电通信,以执行认证并呈现所请求的数字内容。 认证服务器认证请求便携式电子书的身份。 版权保护服务器将请求的数字内容呈现给所请求的便携式电子书可读取的请求便携式电子书。 至少一个主要虚拟书店与信息服务系统电气通信。 主要的虚拟书店是便携式电子书可访问的基于计算机的商店。 主要虚拟书店包括不同数字内容的目录和存储目录中列出的不同数字内容的存储库。
    • 2. 发明授权
    • On-line image caching control for efficient image display
    • 在线图像缓存控制,用于高效的图像显示
    • US06363418B1
    • 2002-03-26
    • US09173866
    • 1998-10-16
    • Garth ConboyBrady DugaWilliam S. LeshnerAleksey NovicovJames Sachs
    • Garth ConboyBrady DugaWilliam S. LeshnerAleksey NovicovJames Sachs
    • G06F1516
    • G06F17/30902
    • A method for on-line controlling caching of an image on a viewing device to efficiently display the image on the viewing device. The method comprises the following steps: (a) sending from a server to the viewing device an image tag included in a hypertext language code, the image tag having attributes, the attributes specifying the image; (b) parsing the hypertext language code including the image tag; (c) searching for a copy of the image in a cache memory of the viewing device using the image tag attributes; (d) displaying the copy of the image if the copy of the image is found in the cache memory and is current; (e) fetching the image from the server if the copy of the image is not found in the cache memory or if the copy of the image is not current; and (f) storing the fetched image and the image tag attributes in the cache memory.
    • 一种用于在观看设备上在线控制图像的高速缓存以有效地在观看设备上显示图像的方法。 该方法包括以下步骤:(a)从服务器向观看设备发送包含在超文本语言代码中的图像标签,具有属性的图像标签,指定图像的属性; (b)解析包括图像标签的超文本语言代码; (c)使用所述图像标签属性在所述观看设备的高速缓冲存储器中搜索所述图像的副本; (d)如果在高速缓冲存储器中找到图像的副本并且是当前的,则显示图像的副本; (e)如果高速缓冲存储器中没有找到图像的副本,或者图像的副本不是当前的,则从服务器获取图像; 和(f)将获取的图像和图像标签属性存储在高速缓冲存储器中。
    • 3. 发明授权
    • On-line menu updating for an electronic book
    • 电子书的在线菜单更新
    • US06195667B1
    • 2001-02-27
    • US09174067
    • 1998-10-16
    • Brady DugaAleksey NovicovWilliam S. LeshnerGarth ConboyJames Sachs
    • Brady DugaAleksey NovicovWilliam S. LeshnerGarth ConboyJames Sachs
    • G06F1730
    • G06F15/0283G06F3/0482Y10S345/901
    • A method for on-line displaying and updating a dynamic menu included in a page requested by a viewing device from a server. The dynamic menu has at least one item. The viewing device has a display screen and a menu function key for displaying a default menu when the viewing device is off-line. The method includes the following steps: (a) sending the page to the viewing device as a hypertext language code, the hypertext language code including a menu tag which specifies the dynamic menu; (b) receiving the page at the viewing device; (c) parsing the hypertext language code to identify the menu tag; (d) displaying the page on the display screen; (e) displaying the dynamic menu on the display screen when the menu function key is activated; and (f) performing a dynamic action when one item of the dynamic menu is selected by an action of a user of the viewing device.
    • 一种在线显示和更新由观看设备从服务器请求的页面中包括的动态菜单的方法。 动态菜单至少有一个项目。 观看设备具有显示屏幕和用于在观看设备离线时显示默认菜单的菜单功能键。 该方法包括以下步骤:(a)将页面作为超文本语言代码发送到观看设备,超文本语言代码包括指定动态菜单的菜单标签; (b)在观看设备处接收页面; (c)解析超文本语言代码以识别菜单标签; (d)在显示屏幕上显示该页面; (e)当菜单功能键被激活时,在显示屏幕上显示动态菜单; 以及(f)通过观看设备的用户的动作来选择动态菜单的一个项目时执行动态动作。
    • 7. 发明授权
    • Vehicle guidance and control systems and methods for controllably
guiding a vehicle along a predetermined pathway
    • 车辆指导与控制系统及方法在预测路径中控制车辆
    • US5175480A
    • 1992-12-29
    • US467254
    • 1990-01-18
    • James McKeeferyJames SachsRichard Wotiz
    • James McKeeferyJames SachsRichard Wotiz
    • G05D1/02
    • G05D1/0265G05D2201/0213
    • In accordance with the method, first and second substantially parallel conductors are placed along a pathway and coupled to a controller in a manner so that each may carry a current independently controllable by the controller. A sensing coil is placed in a vehicle having a coil axis approximately perpendicular to the plane of the conductors so as to sense the varying magnetic field caused by varying currents through the two conductors. The controller repetitively provides a half-cycle of current of a given frequency in one of the two wires, immediately followed by another half-cycle of current of the opposite polarity or direction in the other of the two wires. The sensing coil on the vehicle senses the magnetic field caused by these varying currents in a manner dependent upon its proximity to each of the two wires, and controls the vehicle steering responsive thereto, sensing a substantially balanced wave when centered between the two wires, a positively distorted wave when closed to one of the wires and a negatively distorted wave when closer to the other of the two wires. Modulation of the frequency of the current in the two wires provides communication capability from the controller to the vehicle for remote steering and speed control. Apparatus for carrying out the method and alternative embodiments are disclosed.
    • 根据该方法,第一和第二基本平行的导体沿着路径放置并且以使得每个可以承载由控制器独立控制的电流的方式耦合到控制器。 感测线圈被放置在具有大致垂直于导体平面的线圈轴的车辆中,以便感测由通过两个导体的变化的电流引起的变化的磁场。 控制器在两条线之一中重复地提供给定频率的电流的半周期,紧接着是两条线中另一条线中相反极性或方向的另一个半周期的电流。 车辆上的感测线圈以这种变化的电流引起的磁场以取决于它们接近两条电线的方式感测,并且响应于此控制车辆转向,在两条电线之间居中时检测基本平衡的波, 当闭合到其中一条导线时呈正畸变波形,并且当更接近两条导线中的另一条线时呈负变形波形。 调整两根电线中的电流频率可以提供从控制器到车辆的远程转向和速度控制的通信能力。 公开了用于执行该方法和替代实施例的装置。
    • 9. 发明授权
    • Method and apparatus for viewing electronic reading materials
    • 观看电子阅读材料的方法和装置
    • US5956034A
    • 1999-09-21
    • US693678
    • 1996-08-13
    • James SachsThomas W. Pomeroy
    • James SachsThomas W. Pomeroy
    • G06F17/30G06F1/00G06F3/041G06F3/048G06F13/00G06F15/02G06F21/00G06Q30/00G09C1/00H04L29/06H04L29/08G06F3/00
    • H04L63/0428G06F15/0283G06F21/10H04L29/06H04L67/36G06F2211/008H04L69/329
    • An electronic publication publishing and distribution system is provided for dissemination of written materials that can be read on a portable electronic book. A host computer contains an inventory of written materials in electronic form, that can be selected and then downloaded into the portable electronic book's memory. The host computer keeps track of the transactions, and encodes the data prior to downloading, using an encryption system involving a security number that is unique to the portable electronic book. The encrypted data cannot be decrypted until it is resident in the memory of the portable electronic book. Upon receipt of the encrypted data, the portable electronic book decrypts the data, and can display the text of the original material on its display screen. The portable electronic book has a central processing unit with an operating system for controlling the functions of the portable electronic book. There is non-volatile electronic memory storage for retaining publications in the portable electronic book. A plurality of electronic keys is provided in the portable electronic book that corresponds to graphical representations such as icons on the portable electronic book display adjacent to each key. These keys are integral to the user interface for controlling the devices.
    • 提供电子出版发行和分发系统,用于传播可在便携式电子书上阅读的书面材料。 主机包含电子形式的书面材料清单,可以选择然后下载到便携式电子书的存储器中。 主计算机跟踪事务,并且在下载之前使用涉及便携式电子书特有的安全号码的加密系统对数据进行编码。 加密的数据不能被解密,直到其驻留在便携式电子书的存储器中。 在接收到加密数据之后,便携式电子书对数据进行解密,并且可以在其显示屏上显示原始材料的文本。 便携式电子书具有中央处理单元,其具有用于控制便携式电子书的功能的操作系统。 存在用于在便携式电子书中保留出版物的非易失性电子存储器。 在便携式电子书中提供了多个电子钥匙,其对应于诸如与每个钥匙相邻的便携式电子书显示器上的图标的图形表示。 这些键是用于控制设备的用户界面的组成部分。