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1. 发明授权

US5434752A System and method for regulating staggered connection insertion timing 失效
标题翻译：用于调节交错连接插入时序的系统和方法
公开(公告)号：US5434752A
公开(公告)日：1995-07-18
申请号：US144172
申请日：1993-10-27
申请人： Joseph D. Huth , Robert F. Pan , Frank J. Pita , Bart P. Reier , Victor E. Valle
发明人： Joseph D. Huth , Robert F. Pan , Frank J. Pita , Bart P. Reier , Victor E. Valle
IPC分类号： H01R13/629 , H01R27/00 , H01R29/00 , H05K7/14 , H01R13/62
CPC分类号： H01R27/00 , H05K7/1409 , H01R29/00
摘要： A system for controlling staggered connection timing of an adapter module so that live insertion, or "hot swapping", may be performed with the adapter module, has a connector with staggered pins, i.e., some pins being longer than others for initial contact with mating pins of a mating connector. The system further has a latch for controlling the timing of the connection of the staggered pins. As an adapter module is inserted into a housing, the latch allows the adapter module to be in one of three positions: (1) an entirely disconnected position where none of the pins of the adapter module are connected to the pins of the housing connector; (2) a "stopped", or partially connected, position where the longer of the staggered pins are connected between the housing and adapter modules connectors; and (3) a "fully-engaged" position wherein all pins of the connectors are engaged. The latch and the pin lengths are designed so that upon the longer pins making mating contact, the latch momentarily forces the module into the stopped position thereby allowing any circuits on the adapter module or elsewhere in the housing to sufficiently pre-charge.
摘要翻译：用于控制适配器模块的交错连接定时的系统，以便可以使用适配器模块进行实时插入或“热插拔”，具有具有交错引脚的连接器，即，一些引脚比其他引脚长于初始接触配合配对连接器的针脚。系统还具有用于控制交错销的连接的定时的锁存器。当适配器模块插入壳体时，闩锁允许适配器模块处于三个位置之一：（1）完全断开的位置，其中适配器模块的任何一个引脚都没有连接到壳体连接器的引脚; （2）“停止”或部分连接的位置，其中较长的交错销连接在壳体和适配器模块连接器之间; 和（3）“完全接合”位置，其中连接器的所有销都接合。闩锁和销的长度被设计成使得当较长的销钉进行配合接触时，闩锁瞬间迫使模块进入停止位置，从而允许适配器模块上的任何电路或壳体中的其他地方充分预充电。

2. 发明授权

US4270868A Digital pulse-width modulated printer escapement control system 失效
标题翻译：数字脉宽调制打印机擒纵控制系统
公开(公告)号：US4270868A
公开(公告)日：1981-06-02
申请号：US954374
申请日：1978-10-24
申请人： David B. Morgan , Robert F. Pan , Paul A. Quinn, Jr. , Glenn S. Westerman
发明人： David B. Morgan , Robert F. Pan , Paul A. Quinn, Jr. , Glenn S. Westerman
IPC分类号： G06K15/08 , B41J19/20 , G06K15/10 , H02P7/28 , H02P29/00 , B41J19/00
CPC分类号： B41J19/202 , H02P7/2815 , Y10S388/923
摘要： Disclosed is a digital escapement control system in which the motor (DC) control is completely digital requiring no tachometer generation of feed back signal nor any analog to digital convertors. Connected to the DC motor shaft is a code wheel and detector to determine the time between discreet positions of the motor shaft as it rotates. The time between discreet positions is then compared with a desired time, and the difference is stored, as by a register. The difference is then converted to a pulse-width-modulated (PWM) signal which directly controls the rotational velocity of the motor, increasing or decreasing it as necessary. The system operates, in a ramp, open loop start up mode and digital velocity controlled braking mode while in the motional mode with the feed back as described above. At start up, provision is made for inserting the feed back loop when the velocity reaches some predetermined level or percentage of the desired velocity.
摘要翻译：公开了一种数字擒纵控制系统，其中电动机（DC）控制是完全数字化的，不需要转速计生成反馈信号，也不需要任何模数转换器。连接到直流电机轴是一个代码轮和检测器，用于确定电机轴旋转时离散位置之间的时间。然后将谨慎位置之间的时间与期望的时间进行比较，并且差异由寄存器存储。然后将差值转换成直接控制电动机的转速的脉冲宽度调制（PWM）信号，根据需要增加或减小电动机的转速。在如上所述的反馈运动模式中，系统以斜坡运行，开环启动模式和数字速度控制制动模式。在起动时，当速度达到预定水平或所需速度的百分比时，设置插入反馈回路。

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