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    • 71. 发明授权
    • Method of and apparatus for rapidly loading addressing registers
    • 快速加载寻址寄存器的方法和装置
    • US5761740A
    • 1998-06-02
    • US566116
    • 1995-11-30
    • David C. JohnsonLawrence R. FontaineJohn S. Kuslak
    • David C. JohnsonLawrence R. FontaineJohn S. Kuslak
    • G06F9/355G06F12/08G06F9/26G06F12/06
    • G06F9/30047G06F12/0875G06F9/342
    • A method of and apparatus for rapidly modifying the user base registers of an instruction processor. In accordance with the present invention, a load base register user instruction may request an operand from a cache memory, wherein the requested operand may provide a new L field and a new bank descriptor index field. An unconditional compare may be made between the new L,BDI fields and the prior L,BDI fields, regardless of whether the requested operand providing the new L,BDI fields actually resides in a corresponding operand cache. In parallel therewith, the operand cache may determine whether or not the requested operand that provided the new L,BDI fields actually resides in the cache memory. A selector block may then determine if the new L,BDI fields match the previous L,BDI fields, and if the requested operand that provided the new L,BDI fields actually resides in the cache memory. If so, a fast load base register algorithm may be used to load the base register. If not, a slow load base register algorithm may be used.
    • 一种用于快速修改指令处理器的用户基本寄存器的方法和装置。 根据本发明,负载基址寄存器用户指令可以从高速缓存存储器请求操作数,其中所请求的操作数可以提供新的L字段和新的存储体描述符索引字段。 可以在新的L,BDI字段和先前的L,BDI字段之间进行无条件比较,而不管提供新的L,BDI字段的请求操作数是否实际驻留在相应的操作数高速缓存中。 与此同时,操作数高速缓存可以确定提供新的L,BDI字段的所请求的操作数是否实际驻留在高速缓冲存储器中。 选择器块然后可以确定新的L,BDI字段是否与先前的L,BDI字段匹配,并且如果提供新的L,BDI字段的所请求的操作数实际驻留在高速缓冲存储器中。 如果是这样,可以使用快速加载基址寄存器算法来加载基址寄存器。 如果不是,则可以使用缓慢的负载基址寄存器算法。
    • 72. 发明授权
    • Electronic lighting apparatus for simulating a flame
    • 用于模拟火焰的电子照明装置
    • US4510556A
    • 1985-04-09
    • US557347
    • 1983-11-30
    • David C. Johnson
    • David C. Johnson
    • F21S10/04F21V33/00
    • F21S10/04H05B37/029H05B39/09Y10S362/802Y10S362/81
    • An electronic lighting device for simulating a flame, particularly a candle flame. In the preferred embodiment a set of three vertically spaced lamps are enclosed in a translucent bulb and are controlled by a signal generator circuit which independently turns three lamps on and off in a manner which simulates both the illumination distribution and the gas turbulence in a natural flame. The circuit includes a multistage static shift register which is used in a feedback mode to produce three mutually delayed pseudo-random pulse trains. One pulse train is used directly to control the uppermost lamp. The other pulse trains are combined with assymetric long-duty-cycle and short-duty-cycle clock signals. The resulting combined signals are used to drive the lower and middle lamps, respectively. The net result is that the lowermost lamp is brightest and flickers only dimly; the middle lamp is of intermediate brightness and appears to flicker more distinctly; and the upper lamp is on half the time and off half the time, on average, with the average brightness being less than either of the lower lamps and the flickering effect being more pronounced than that of either the lower or middle lamps.
    • 一种用于模拟火焰,特别是蜡烛火焰的电子照明装置。 在优选实施例中,一组三个垂直间隔的灯被封装在半透明的灯泡中并且由信号发生器电路控制,信号发生器电路以模拟天然火焰中的照明分布和气体湍流的方式独立地转动三个灯 。 该电路包括一个多级静态移位寄存器,用于反馈模式以产生三个相互延迟的伪随机脉冲序列。 直接使用一个脉冲串来控制最上面的灯。 其他脉冲串与不对称的长占空比和短占空比时钟信号相结合。 所得到的组合信号分别用于驱动下灯和中灯。 最终的结果是最下面的灯是最亮的,只闪烁一点; 中间灯具有中等亮度,似乎更明显地闪烁; 平均亮度低于下灯中的任何一个,并且闪烁效果比下灯或中灯更明显。