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    Access control for rental cars
    1.
    发明授权
    Access control for rental cars 有权
    出租汽车的门禁控制

    公开(公告)号：US07366677B1

    公开(公告)日：2008-04-29

    申请号：US09652159

    申请日：2000-08-31

    申请人： Te-Kai Liu ,  Michael C. Greenwood

    发明人： Te-Kai Liu ,  Michael C. Greenwood

    IPC分类号： G06Q10/00

    CPC分类号： B60R25/00 ,  G06Q10/02 ,  H04L63/0823 ,  H04L63/083 ,  H04L63/0853

    摘要： Cars of a car rental system are made operable by having a renter present a digital key issued from the car rental system. The digital key specifies the starting date and time of a given rental transaction, and the identification of the car the key is for. The digital key is further signed by the car rental system for authenticity. A prospective renter makes online reservation over the Web and downloads into a portable storage device a digital key which can be used to operate the reserved car on the day the reservation is made for. On the pickup day, the renter goes to the car and inserts the portable storage device into a slot on the car. Upon successful verification of the digital key, the car is enabled and the renter can keep the car until he or she wants to return the car. The return process starts by having the renter obtain a invalidated digital key from the car. Once the rental car invalidates the digital key provided by the renter, the renter can no longer operate the rental car. Since the in-car controller is able to decipher the given authorization information, there is no need to re-program the in-car controller for each renter. The renter will be held liable for the rental car until he or she presents the invalidated digital key to the central station of the car rental system. To prevent a lost digital key from being used by unauthorized parties, a digital key can contain information such as a personal identification number (PIN) or a hash of the PIN of the authorized renter. For extra protection, the renter can opt to include his or her PIN in the digital key when the key is created by the car rental system. The parking lot of the car rental system can be operated without security personnel checking for proper authorization.

    摘要翻译： 汽车租赁系统的汽车通过使承租人呈现从租车系统发出的数字钥匙而可操作。 数字键指定给定租赁交易的开始日期和时间，以及钥匙的车身识别。 汽车租赁系统进一步签署了数字钥匙的真实性。 预期租用者通过网络进行在线预订，并将便携式存储设备下载到数字钥匙，数字钥匙可用于在预约当天操作预约车。 在出发日，租车者将车辆插入便携式存储设备到汽车的槽中。 在成功验证数字钥匙后，汽车启用，租客可以保持轿厢，直到他或她想要返回汽车。 退房过程开始于让租客从汽车中获取无效的数字钥匙。 一旦租车使租客提供的数字钥匙无效，租客就不能再运行租车了。 由于车载控制器能够解密给定的授权信息，所以不需要为每个租用者重新编程车载控制器。 承租人将对租车负责，直到将该无效数字钥匙提交给租车系统的中央车站。 为了防止丢失的数字密钥被未授权方使用，数字密钥可以包含诸如个人识别码（PIN）或授权租用者的PIN的散列的信息。 为了额外的保护，承租人可以选择在钥匙由租车系统创建时将他或她的PIN包括在数字钥匙中。 租车系统的停车场可以在没有安全人员检查正确授权的情况下运行。

    Dual map system for navigation and wireless communication
    2.
    发明授权
    Dual map system for navigation and wireless communication 有权

    公开(公告)号：US06400690B1

    公开(公告)日：2002-06-04

    申请号：US09172611

    申请日：1998-10-15

    申请人： Te-Kai Liu ,  Michael C. Greenwood ,  Lawrence I. Lieberman ,  Kiyoshi Maruyama ,  Paul A. Moskowitz

    发明人： Te-Kai Liu ,  Michael C. Greenwood ,  Lawrence I. Lieberman ,  Kiyoshi Maruyama ,  Paul A. Moskowitz

    IPC分类号： H04Q700

    CPC分类号： H04W24/00 ,  G01C21/26

    摘要： A system produces of an empirical map of wireless communication coverage through a process of combining information from individual clients to produce a map which is then shared by all of the clients. The wireless coverage map aids in maintaining a reliable communications link. The empirical map is generated by combining information from a group of mobile wireless users. The group may consist of a fleet of trucks, taxicabs, government service vehicles, or the customers of a wireless service provider. The mobile vehicles must be equipped with a GPS device or be located by other means such as triangulation. While vehicles are moving, the quality of wireless communication, e.g., signal strength or communication continuity, is recorded for each vehicle as a function of positions. The data from all of the vehicles is combined to produce the empirical map. The empirical map may be maintained at a central site and subsets of the map replicated for individual vehicles. The map may then be used to direct mobile users to sites of superior communications reliability, warn mobile users when they are out of the service area or are about to leave the service area, or to regulate data communications automatically to stop and restart communications as a mobile vehicle passes through a gap in coverage.

    System for personalized mobile navigation information
    3.
    发明授权
    System for personalized mobile navigation information 有权
    个性化移动导航信息系统

    公开(公告)号：US06349257B1

    公开(公告)日：2002-02-19

    申请号：US09396205

    申请日：1999-09-15

    申请人： Te-Kai Liu ,  Paul A. Moskowitz ,  Michael C. Greenwood ,  Lawrence I. Lieberman ,  David A. Wood

    发明人： Te-Kai Liu ,  Paul A. Moskowitz ,  Michael C. Greenwood ,  Lawrence I. Lieberman ,  David A. Wood

    IPC分类号： G06F16500

    CPC分类号： G08G1/096811 ,  G01C21/3484 ,  G01C21/3688 ,  G08G1/096838 ,  G08G1/096883

    摘要： A mobile navigation system implemented as an embedded system in a vehicle is easy to use, does not detract the driver's attention from the road, and limits the number of choices presented to the user of the navigation system according to a predetermined set of preferences or personalized information. Choices are filtered according to a set of driver preferences, according to the vehicle's geographic position, direction of motion, and the driver's intended itinerary. The itinerary, including intermediate stops, is calculated on an external computing system. The information is downloaded from the computing system to a memory device such as, for example, a smart card. The information is then transferred from the smart card to the embedded vehicle navigation system. In one application of the invention, a kiosk located at a car rental agency may be used to create and store personalized navigation information onto a smart card which the customer then inserts into the vehicle navigation system that is installed in the rental car.

    摘要翻译： 在车辆中实现为嵌入式系统的移动导航系统易于使用，不会降低驾驶员对道路的关注，并且根据预定的一组偏好或个性化的限制将导航系统的用户的选择数量限制 信息。 根据车辆的地理位置，运动方向和驾驶员的预定行程，根据一组驾驶员偏好来过滤选择。 包括中间站在内的行程是在外部计算系统上计算出来的。 该信息从计算系统下载到诸如智能卡的存储设备。 然后将信息从智能卡传输到嵌入式车辆导航系统。 在本发明的一个应用中，可以使用位于汽车租赁代理处的信息亭来将个性化导航信息创建并存储到智能卡上，然后客户插入到安装在租赁汽车中的车辆导航系统中。

    Dual map system for navigation and wireless communication
    4.
    发明授权
    Dual map system for navigation and wireless communication 有权
    双地图系统，用于导航和无线通信

    公开(公告)号：US06871139B2

    公开(公告)日：2005-03-22

    申请号：US09925600

    申请日：2001-08-10

    申请人： Te-Kai Liu ,  Michael C. Greenwood ,  Lawrence L. Lieberman ,  Kiyoshi Maruyama ,  Paul A. Moskowitz

    发明人： Te-Kai Liu ,  Michael C. Greenwood ,  Lawrence L. Lieberman ,  Kiyoshi Maruyama ,  Paul A. Moskowitz

    IPC分类号： G01C21/26 ,  H04W24/00 ,  H04Q7/20 ,  H04M11/00

    CPC分类号： H04W24/00 ,  G01C21/26

    摘要： A system produces of an empirical map of wireless communication coverage through a process of combining information from individual clients to produce a map which is then shared by all of the clients. The wireless coverage map aids in maintaining a reliable communications link. The empirical map is generated by combining information from a group of mobile wireless users. The group may consist of a fleet of trucks, taxicabs, government service vehicles, or the customers of a wireless service provider. The mobile vehicles must be equipped with a GPS device or be located by other means such as triangulation. While vehicles are moving, the quality of wireless communication, e.g., signal strength or communication continuity, is recorded for each vehicle as a function of positions. The data from all of the vehicles is combined to produce the empirical map. The empirical map may be maintained at a central site and subsets of the map replicated for individual vehicles. The map may then be used to direct mobile users to sites of superior communications reliability, warn mobile users when they are out of the service area or are about to leave the service area, or to regulate data communications automatically to stop and restart communications as a mobile vehicle passes through a gap in coverage.

    摘要翻译： 系统通过组合来自各个客户端的信息的过程产生无线通信覆盖的经验图，以产生由所有客户端共享的地图。 无线覆盖图有助于维护可靠的通信链路。 通过组合一组移动无线用户的信息来生成经验图。 该集团可能包括卡车，出租车，政府服务车辆或无线服务提供商的客户。 移动车辆必须配备GPS装置，或者通过其他方式进行定位，例如三角测量。 当车辆移动时，作为位置的函数，针对每个车辆记录无线通信的质量，例如信号强度或通信连续性。 来自所有车辆的数据被组合以产生经验图。 经验图可以保存在中心站点，并且为各个车辆复制的地图的子集。 然后，该地图可以用于将移动用户引导到具有优异通信可靠性的站点，当移动用户离开服务区域或即将离开服务区域时警告移动用户，或者自动规范数据通信以停止并重新启动作为 移动车辆通过覆盖的差距。

    Safety harness
    8.
    发明授权
    Safety harness 失效
    安全带

    公开(公告)号：US06467851B1

    公开(公告)日：2002-10-22

    申请号：US09642422

    申请日：2000-08-21

    申请人： Catherine A. Mannell ,  Michael C. Greenwood

    发明人： Catherine A. Mannell ,  Michael C. Greenwood

    IPC分类号： A47D1308

    CPC分类号： A47D13/086 ,  A62B35/0006 ,  B60R22/02 ,  B60R22/105 ,  B64D11/0612 ,  B64D25/06

    摘要： An improved harness (10) adapted to be worn by a person (12) preferably includes a continuous, unitary, non-segmented strap (34) which is threaded through an anchor member (36), side buckles (38, 40) and buckle connectors (78) to provide a harness allowing the person (12) to be secured by a standard safety belt (112). The harness presents first and second strap segments (96, 98) coupled to the anchor member (36) and extending over the shoulders (20, 22) of the person (12) and thence downwardly in crossing relationship to side buckles (38, 40) defining juncture regions (100, 102). The strap (34) is then extended rearwardly and threaded through the anchor member (36) to present third and fourth strap segments (104, 106). Finally, the strap (34) is extended downwardly from the side buckles (38, 40) and through the crotch (26) of the person upwardly for connection at the side buckles (38, 40) via buckle connectors (78). In alternate forms, the harness (10) can include separate, individual segments (96, 98, 104, 106, 108, and 110) which are interconnected.

    摘要翻译： 适于被人（12）佩戴的改进的线束（10）优选地包括连续的，整体的非分段带（34），其穿过锚定构件（36），侧扣（38,40）和带扣 连接器（78）以提供允许人（12）由标准安全带（112）固定的线束。 线束呈现耦合到锚固构件（36）并延伸到人（12）的肩部（20,22）上的第一和第二带段（96,98），并且随后与侧面带扣（38,40）交叉关系向下 ）限定交界区域（100,102）。 然后，带（34）向后延伸并穿过锚固构件（36）以呈现第三和第四带段（104,106）。 最后，带子（34）从侧扣（38,40）向下延伸并通过人的裆部（26）向上延伸，以通过扣环连接器（78）在侧扣（38,40）处连接。 在替代形式中，线束（10）可以包括互连的单独的单个段（96,98,104,106,108和110）。