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    • 4. 发明授权
    • Data processing system
    • 数据处理系统
    • US4649470A
    • 1987-03-10
    • US435385
    • 1982-10-20
    • David H. BernsteinEdward M. BuckleyRoger W. MarchRonald I. Gusowski, deceased
    • David H. BernsteinEdward M. BuckleyRoger W. MarchRonald I. Gusowski, deceased
    • G06F9/26G06F13/36G06F13/42H03K23/66G06F13/38
    • H03K23/667G06F13/36G06F13/4217G06F9/26
    • A data processing system using microcode architecture in which a two-level microcode system comprises one or more first, or "horizontal", microinstructions and a plurality of second, or "vertical", microinstruction portions in a vertical microcontrol store. In a preferred embodiment the vertical microinstruction portions include one or more "modifier" fields, a selection field for selecting a horizontal microinstruction and a sequencing field for selecting the next vertical microinstruction portion of a sequence thereof, one or more fields of the horizontal microinstructions being capable of modification by the vertical modifier fields in order to form output microinstructions for performing data processing operations. Unique bus protocol signals are generated to prevent simultaneous access to the system bus by two competing system components and to permit substantially immediate control of the systems bus by a component without requiring a CPU decision thereon. Further, a unique system I/O interface unit permits access to certain I/O components via other I/O buses, such unit utilizing a unique polling technique to identify on an updated basis, all components present on one of such other buses. The system I/O interface unit also includes a unique frequency synthesizer unit for providing at least one clock signal having a substantially constant frequency which can be generated in response to any one of a plurality of input clock signals each having a different frequency.
    • 一种使用微代码架构的数据处理系统,其中两级微代码系统包括垂直微控制器存储器中的一个或多个第一或“水平”微指令以及多个第二或“垂直”微指令部分。 在优选实施例中,垂直微指令部分包括一个或多个“修改器”字段,用于选择水平微指令的选择字段和用于选择其序列的下一垂直微指令部分的测序字段,水平微指令的一个或多个字段为 能够通过垂直修改器字段进行修改,以便形成用于执行数据处理操作的输出微指令。 产生独特的总线协议信号以防止由两个竞争的系统组件同时访问系统总线,并允许由组件基本上立即控制系统总线,而不需要CPU决定。 此外,独特的系统I / O接口单元允许通过其他I / O总线访问某些I / O组件,这种单元利用独特的轮询技术,以更新的方式识别存在于其中一个其它总线上的所有组件。 系统I / O接口单元还包括唯一的频率合成器单元,用于提供至少一个具有基本上恒定频率的时钟信号,该时钟信号可以响应于具有不同频率的多个输入时钟信号中的任何一个而产生。
    • 7. 发明授权
    • Miniature light-activated lamp control apparatus and the like
    • 微型点灯控制装置等
    • US5455488A
    • 1995-10-03
    • US188402
    • 1994-01-28
    • David P. RhoadesChristopher S. PaulEdward M. BuckleyDavid M. BartonClaude A. S. Hamrick
    • David P. RhoadesChristopher S. PaulEdward M. BuckleyDavid M. BartonClaude A. S. Hamrick
    • H05B37/02H05B37/00G02B6/00
    • H05B37/0218Y02B20/46
    • Miniature light-activated lamp control apparatus and the like, including a thin disk-shaped switching unit positionable within a light bulb socket and a thin light conductor having one end attached thereto, the light conductor being extendable through the gap between the electrically conductive inner wall of the socket and the electrically conductive outer surface of the bulb base disposed in the socket, and terminating at the opposite end in a lens for gathering ambient or other light. The switching unit has a first contact on one side for engagement with the socket center terminal, and a second contact on an opposing side for engagement with the center terminal of a light bulb. The unit includes a thin circuit board having control circuitry mounted thereon, such circuitry being positioned to occupy available space between the conical bulb base and the circuit board. Also mounted on the circuit board and in light communication with the light conductor is a photodetector electrically coupled to the control circuitry. The control circuitry receives operating power from the lamp through the first contact and is responsive to light communicated through the light conductor to turn the power to the second contact OFF and ON. The circuitry also has provision for gradually applying the power to the bulb (slow start) to extend bulb life, and has a hysteresis response to the incoming light intensity so as to eliminate turn-ON and turn-OFF flicker.
    • 小型光启动灯控制装置等,包括可定位在灯泡插座内的薄盘状切换单元和一端连接到其上的薄光导体,该光导体可延伸穿过导电内壁之间的间隙 的插座和布置在插座中的灯泡基座的导电外表面,并且终止于用于聚集环境光或其他光的透镜的相对端。 开关单元在一侧具有用于与插座中心端子接合的第一触点,在相对侧上具有用于与灯泡的中心端子接合的第二触点。 该单元包括具有安装在其上的控制电路的薄电路板,这种电路被定位成占据锥形灯泡基座和电路板之间的可用空间。 还安装在电路板上并且与光导体光通信的是光耦合到控制电路的光电检测器。 控制电路通过第一接触从灯接收工作电力,并响应于通过光导体传送的光,将电源转到第二接点断开和接通。 该电路还具有逐渐向灯泡供电(慢启动)以延长灯泡寿命的规定,并且对入射光强度具有滞后响应,以消除导通和关断闪烁。