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    • 22. 发明授权
    • Jousting game
    • Jousting游戏
    • US06332616B1
    • 2001-12-25
    • US09598400
    • 2000-06-20
    • David L. Brown
    • David L. Brown
    • A63B6700
    • A63H13/06
    • Two playing pieces each include a body portion, a shield having at least two hinged segments attached to the body portion, a first control mechanism operable to select one of the hinged segments as a blocked segment, a projecting element attached to the body portion and having a raised position and at least two lowered positions, and a second control mechanism operable to select one of the lowered positions as an active position. The two playing pieces can be placed on a track structure at opposite respective ends for movement towards each other along respective paths of movement. In one possible outcome, the projecting element of one of the playing pieces strikes the blocked segment of the shield of the other playing piece and in another outcome the projecting element strikes an unblocked segment of the shield of the other playing piece.
    • 两个玩具各自包括主体部分,具有至少两个连接到主体部分上的铰接部分的屏蔽件,第一控制机构,可操作以选择铰接部分中的一个作为阻挡部分,突出元件附接到主体部分并具有 升降位置和至少两个降低位置,以及第二控制机构,其可操作以选择一个下降位置作为活动位置。 两个玩具可以相对于相应的端部放置在轨道结构上,以沿相应的运动路径相互移动。 在一个可能的结果中,一个播放件的突出元件撞击另一个玩具的屏蔽的阻挡部分,并且在另一个结果中,突出元件撞击另一个玩具的屏蔽的未阻挡部分。
    • 24. 发明授权
    • Communication system and method using asynchronous and isochronous
spectrum for voice and data
    • 用于语音和数据的异步和等时频谱通信系统和方法
    • US6011784A
    • 2000-01-04
    • US769026
    • 1996-12-18
    • David L. BrownPaul D. MarkoJaime A. Borras
    • David L. BrownPaul D. MarkoJaime A. Borras
    • H04L12/28H04J3/24
    • H04W74/02H04W48/08H04W72/0446
    • In a time division, multiple access system, a base station (102) transmits an isochronous beacon (404, 422) at the start of each frame (400), conveying control and timing information. Following the isochronous beacon (404), isochronous time slots (414, 416, 418, 420) are dynamically allocated for communication of isochronous data. After communication of the isochronous data, the remainder of the frame (400) before the next isochronous beacon (422) is used for transmission of packets of asynchronous data. This technique gives priority to the isochronous data, which is real time, while also maximizing the bandwidth allocated for asynchronous data. A single transmitter circuit (124, 158) and receiver circuit (122, 156) at each station are used for communication of both isochronous data and asynchronous data.
    • 在时分多址接入系统中,基站(102)在每帧开始时发送等时信标(404,422),传送控制和定时信息。 在等时信标(404)之后,动态分配同步时隙(414,416,418,420)用于同步数据的通信。 在同步数据通信之后,在下一个同步信标(422)之前的帧(400)的剩余部分被用于异步数据分组的传输。 这种技术优先考虑实时的同步数据,同时最大化分配给异步数据的带宽。 每个站处的单个发射机电路(124,158)和接收机电路(122,156)用于同步数据和异步数据的通信。
    • 27. 发明授权
    • Data processor with flexible data encryption
    • 数据处理器采用灵活的数据加密
    • US5892826A
    • 1999-04-06
    • US593987
    • 1996-01-30
    • David L. BrownRaul A. PomboPaul J. Polansky
    • David L. BrownRaul A. PomboPaul J. Polansky
    • G06F12/14G06F21/00H04L9/00
    • H04L63/0428G06F12/1408G06F21/72H04L9/00G06F12/1441G06F2211/1097
    • A data processor (20) which flexibly encrypts data within different address ranges includes an encryption determination circuit (50) to monitor an address conducted on an internal address bus (22) and when the address is within certain predefined ranges, perform encryption or decryption of address and/or data. For example the encryption determination circuit (50) may be used to selectively enable a data encryption-decryption circuit (60). When the data encryption-decryption circuit (60) is disabled, data conducted on an internal data bus (23) becomes "cleartext", i.e., non-encrypted. In one embodiment, the data encryption-decryption is performed in partial dependence on the address itself, and the address conducted to the external address bus is itself selectively encrypted as well.
    • 对不同地址范围内的数据进行灵活加密的数据处理器(20)包括:加密确定电路(50),用于监视在内部地址总线(22)上传输的地址,并且当地址在某个预定范围内时,执行加密或解密 地址和/或数据。 例如,加密确定电路(50)可以用于选择性地启用数据加密 - 解密电路(60)。 当数据加密 - 解密电路(60)被禁用时,在内部数据总线(23)上传送的数据变成“明文”,即未加密。 在一个实施例中,数据加密解密部分地依赖于地址本身执行,并且传送到外部地址总线的地址本身也被选择性地加密。