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    • 9. 发明授权
    • Multi-bit precision screwdriver
    • 多位精密螺丝刀
    • US07255028B1
    • 2007-08-14
    • US11436105
    • 2006-05-17
    • Anthony Di BitontoAnton LjunggrenPaul KatzMichael CircostaBoris Kontorovich
    • Anthony Di BitontoAnton LjunggrenPaul KatzMichael CircostaBoris Kontorovich
    • B25B23/00B25G1/08B25B23/16
    • B25G1/085B25B15/02B25G1/046
    • In one embodiment, a screwdriver having interchangeable bit bodies with permanently affixed bit heads is provided. In another embodiment, at least one transparent end cap is provided to display a bit head in an engaged position ready for use. In another alternative embodiment, transparent end caps are provided at two ends of the screwdriver. In still another embodiment, two end caps are provided that may nest with each other. In yet another embodiment a rotatable end cap is provided. The various embodiments of the precision screwdriver may be utilized independently or in combination. One combination provides a screwdriver comprising two transparent, nesting, and rotating caps. A user can apply pressure to an end cap top (whether nested or not) to stabilize the screwdriver for a particular job while rotating the screwdriver independent of the nesting cap top.
    • 在一个实施例中,提供具有可互换的具有永久固定的位头的钻头体的螺丝刀。 在另一个实施例中,提供至少一个透明端盖以将位头显示在准备使用的接合位置。 在另一替代实施例中,透明端盖设置在螺丝刀的两端。 在另一个实施例中,提供两个可以彼此嵌套的端盖。 在另一个实施例中,提供了可转动的端盖。 精密螺丝刀的各种实施例可以独立地或组合地使用。 一个组合提供了包括两个透明,嵌套和旋转盖的螺丝刀。 用户可以独立于嵌套盖顶部旋转螺丝刀,将压力施加到端盖顶部(无论是否嵌套)以稳定特定作业的螺丝刀。
    • 10. 发明授权
    • Circuit continuity detection system and method
    • 电路连续性检测系统及方法
    • US06191697B1
    • 2001-02-20
    • US09294096
    • 1999-04-19
    • Mark HansenRobert Paul Katz
    • Mark HansenRobert Paul Katz
    • G08B2100
    • G01R31/026
    • In many technical applications, situations often arise where it is desirable to know, in real time, if a circuit is functioning. That is, it is desirable to know if, for example, a heater element is operational or blown (open). By sensing the current flowing to the circuit, it is easy to determine if the circuit is operational. However, this only provides information while the circuit is in the process of operating. There must be some real-time connection with the request or demand for power to know if in fact the device is non-operational, or if there is simply no controller request for power. A system (and method) according to the invention includes a real-time, simultaneous current and voltage sensing and arbitration device which provides a single, point of use implementation, and allows for detection and signaling of a fault condition. A circuit breaker may be constructed to incorporate such a system.
    • 在许多技术应用中,通常会出现在需要实时了解电路是否正常运行的情况。 也就是说,期望知道例如加热器元件是可操作的还是打开的(打开的)。 通过感测流向电路的电流,很容易确定电路是否可操作。 然而,这只是在电路正在运行的过程中提供信息。 必须与请求或需求的实时连接才能知道设备是否不可操作,或者如果没有控制器请求电源。 根据本发明的系统(和方法)包括提供单个使用点实现的实时,同时的电流和电压感测和仲裁设备,并且允许检测和发信号通知故障状况。 断路器可以构造成并入这样的系统。