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公开(公告)号：US07049970B2
公开(公告)日：2006-05-23
申请号：US10691291
申请日：2003-10-22
IPC分类号： G08B17/02
CPC分类号： G08B13/1463 , G08B13/126 , G08B13/149
摘要： A tamper sensing circuit is provided for an electrical device wherein an enclosure may be opened to access data by a user that does not possess the ability to achieve normal access by satisfying data security measures such as use of a password. A screw used to secure enclosure halves together is connected by a conductive coating at the enclosure member surface into which the screw is threaded to connect a tamper sensing circuit to the device ground potential. A tamper sensing circuit output node is maintained at the circuit ground potential as long as the screw is in electrical contact with the enclosure conductive coating. When the screw is disengaged from the enclosure member threaded opening, the output node is no longer grounded and rises to a supplied electrical potential indicating tampering and enabling appropriate corrective action. The conductive coating on the enclosure member which connects the screw to circuit ground may be applied or may already be present to suppress electromagnetic interference.
摘要翻译： 为电气设备提供篡改感测电路，其中可以打开外壳以通过满足诸如使用密码的数据安全措施，不具有实现正常访问的能力的用户访问数据。 用于将外壳半部固定在一起的螺钉通过导电涂层连接在外壳构件表面，螺钉被螺纹连接到外壳构件表面以将篡改感测电路连接到设备接地电位。 只要螺钉与外壳导电涂层电接触，篡改感测电路输出节点就保持在电路接地电位。 当螺钉从外壳构件螺纹开口脱离时，输出节点不再接地，并且上升到所提供的电势，指示篡改并且使得能够进行适当的校正动作。 将螺钉连接到电路接地的外壳构件上的导电涂层可以被施加或已经存在以抑制电磁干扰。
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公开(公告)号：US06532558B1
公开(公告)日：2003-03-11
申请号：US09518230
申请日：2000-03-02
IPC分类号： H04B1700
CPC分类号： G06F13/409
摘要： A method and apparatus for analog testing of hot-plug circuits on an active computer backplane. A test connector is added to the computer backplane that enables an external tester to turn on each card slot present on the computer backplane. The external tester then directs a test adapter card residing in a selected card slot to apply a nominal and overcurrent load to each voltage level of the selected card slot. After each load has been applied, the corresponding voltage level is returned to the external tester. The external tester then measures the voltage level, and verifies that the voltage level falls within a predefined voltage range. The test connector uses existing unutilized bus signal lines to pass test directives and results between the card slot under test and the external tester. The same test adapter card that performs the analog test on a card slot is also used to perform digital testing on the card, thus reducing both testing time and the complexity of the testing apparatus.
摘要翻译： 一种用于在活动计算机背板上对热插拔电路进行模拟测试的方法和装置。 将测试连接器添加到计算机背板，使外部测试仪能够打开计算机背板上存在的每个卡槽。 然后，外部测试仪引导驻留在所选卡槽中的测试适配器卡，将额定和过流负载施加到所选卡槽的每个电压电平。 在施加每个负载后，相应的电压电平返回到外部测试仪。 外部测试仪然后测量电压电平，并验证电压电平是否在预定的电压范围内。 测试连接器使用现有的未使用的总线信号线，将测试指令和测试结果与测试中的卡槽之间通过。 在卡插槽上执行模拟测试的同一测试适配卡也用于对卡执行数字测试，从而减少测试时间和测试设备的复杂性。
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公开(公告)号：US06963990B2
公开(公告)日：2005-11-08
申请号：US10067785
申请日：2002-02-05
CPC分类号： G06F1/04 , G06F13/4027
摘要： Embodiments are provided in which clock generation for a PCI bridge and its N attached secondary buses is carried out by using an external PLL clock generator which generates N+1 first clock signals at a first frequency to the bridge and to N multiplexers. The bridge in turn generates N second clock signals to the N multiplexers. Each of the N clock signals generated by the bridge can be at either a second or third frequency. Each of the N multiplexers passes one of the first clock signal and second clock signal to a secondary bus depending on the speed of the slowest adapter on the secondary bus.
摘要翻译： 提供了一种实施例，其中通过使用外部PLL时钟发生器来执行用于PCI桥及其N个附加辅助总线的时钟产生器，该外部PLL时钟发生器以第一频率向桥接器和N个多路复用器生成N + 1个第一时钟信号。 该桥又产生N个第二时钟信号给N个多路复用器。 由桥产生的N个时钟信号中的每一个可以是第二或第三频率。 N个多路复用器中的每一个根据辅助总线上最慢适配器的速度将第一时钟信号和第二时钟信号之一传递到辅助总线。
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公开(公告)号：US07080763B2
公开(公告)日：2006-07-25
申请号：US10632159
申请日：2003-07-31
IPC分类号： A45F3/14
CPC分类号： A45F4/00 , A45C13/20 , A45F3/14 , A45F2003/142 , A45F2004/006 , A45F2200/0525 , E05B73/0005 , E05B73/0082
摘要： A shoulder strap for carrying a notebook computer is formed as an elongated member with a locking mechanism at a first end which attaches to the lock slot of the computer and a loop at the opposite end. By passing the strap through the loop, the opposite end portion of the strap is positioned around the computer adjacent the side opposite the side which includes the lock slot. With the first end of the strap secured to the computer by securing the locking mechanism at the computer lock slot, the intermediate portion of the strap extends over the users shoulder to enable transport of the computer. By forming the strap using a plastic coated steel cable, the shoulder strap may be used for both carrying the computer and as a security cable for securing the computer when unattended. The shoulder strap surfaces that engage the user's shoulder and surround and engage the notebook computer are formed of non-adhesive, non-slip material. In an alternate embodiment, to more positively secure the strap portion surrounding the computer, hook and loop tape is applied to both the strap portion engaging the computer and the computer side over which the assembled strap passes, so that the strap can be prevented from slipping off the computer when assembled for transport.
摘要翻译： 用于携带笔记本电脑的肩带形成为细长构件，其具有连接到计算机的锁定槽的第一端处的锁定机构和在相对端的环。 通过使带穿过环，带子的相对端部分位于与包括锁槽的一侧相对的一侧的计算机周围。 通过将锁定机构固定在计算机锁定槽处，带子的第一端固定到计算机上，带子的中间部分延伸到使用者的肩部上，以便运送计算机。 通过使用塑料涂层钢缆形成带子，肩带可以用于携带计算机和用作在无人值守时固定计算机的安全电缆。 接合用户的肩部并围绕和接合笔记本电脑的肩带表面由非粘合的防滑材料形成。 在替代实施例中，为了更牢固地固定围绕计算机的带部分，将钩环带施加到接合计算机的带部分和组装的带通过的计算机侧，使得可以防止条带滑动 组装运输时关闭电脑。
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5.发明授权Adapter card with vendor unique differentiation and customization using PCI sideband signals 有权适配器卡，具有独特的差异化和使用PCI边带信号的定制公开(公告)号：US06237048B1
公开(公告)日：2001-05-22
申请号：US09149043
申请日：1998-09-08
申请人： Jonathan Michael Allen , Daniel Frank Moertl , Danny Marvin Neal , Gregory Michael Nordstrom , Thomas James Osten
发明人： Jonathan Michael Allen , Daniel Frank Moertl , Danny Marvin Neal , Gregory Michael Nordstrom , Thomas James Osten
IPC分类号： G06F300
CPC分类号： G06F13/423
摘要： In an electrical interface providing a predefined number of connections at least some of which have predefined functions and at least some of which have reserved, undefined or non-critical functions, selective use of at least one of the connections having a reserved, undefined or non-critical function is accomplished. At least one switch is provided which is controllable and coupled to switch at least one connection having a reserved, undefined or non-critical function to a desired customized function. In this way, the electrical interface can be selectively switched to provide additional functionality using reserved, undefined or non-critical connections of the interface.
摘要翻译： 在电接口中提供预定数量的连接，其中至少一些连接具有预定义的功能，并且其中至少一些具有保留的，未定义的或非关键的功能，选择性地使用具有保留的，未定义的或非限定的连接中的至少一个 完成了关键功能。 提供至少一个开关，其可控制和耦合以将具有保留的，未定义的或非关键功能的至少一个连接切换到期望的定制功能。 以这种方式，可以选择性地切换电接口以使用接口的保留的，未定义的或非关键的连接提供附加的功能。
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6.发明授权Hot-plug voltage and power management control using detected connection status 失效热插拔电压和电源管理控制使用检测到的连接状态
公开(公告)号：US5996035A
公开(公告)日：1999-11-30
申请号：US83186
申请日：1998-05-22
IPC分类号： G06F13/40 , H01R13/641 , H01R13/703 , G06F13/00 , G06F1/26 , H01R23/68 , H05K1/11
CPC分类号： G06F13/4081 , H01R13/641 , H01R13/703
摘要： Hot-plugging and power management capabilities are simultaneously provided for a connector. Circuitry is provided to control a power management terminal so that it is powered up gradually and only after a device has been connected to the connector. The power management terminal is powered down when the device is disconnected from the connector under control of the circuitry. The power management voltage domain is isolated from the voltage domain of the system having the connector by further circuitry which also provides connection status lines.
摘要翻译： 同时为连接器提供热插拔和电源管理功能。 提供电路以控制电力管理终端，使其逐渐上电，并且仅在设备已经连接到连接器之后。 当设备在电路控制下与连接器断开连接时，电源管理终端掉电。 电源管理电压域通过还提供连接状态线的另外的电路与具有连接器的系统的电压域隔离。
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公开(公告)号：US5724026A
公开(公告)日：1998-03-03
申请号：US639917
申请日：1996-04-24
CPC分类号： H02H3/42 , Y10T307/414
摘要： A multiple output level power supply is provided having an overpower detection circuit. The power supply provides multiple DC voltage output levels. A differential amplifier coupled to each DC voltage output level of the power supply is then utilized to generate a signal which is representative of the power output at each of the multiple voltage levels. The output of each differential amplifier is then coupled to a summer which generates a signal representative of the total power output from the multiple outputs of the power supply. A comparison of the total power output signal and a reference signal selected to be representative of the maximum desired power output may then be utilized to efficiently provide an indication of an overpower condition within the power supply.
摘要翻译： 提供具有过功率检测电路的多输出电平电源。 电源提供多个直流电压输出电平。 然后利用耦合到电源的每个DC电压输出电平的差分放大器来产生代表多个电压电平中的每一个处的功率输出的信号。 然后将每个差分放大器的输出耦合到加法器，该加法器产生代表从电源的多个输出端输出的总功率的信号。 然后可以利用总功率输出信号和被选择代表最大期望功率输出的参考信号的比较来有效地提供电源内的过功率状况的指示。
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