公开(公告)号：US4790621A

公开(公告)日：1988-12-13

申请号：US129502

申请日：1987-12-07

Applicant: Lauren F. Calaby ,  David A. Cooper

Inventor： Lauren F. Calaby ,  David A. Cooper

IPC: G02B6/35 ,  G02B6/36 ,  G02B6/38

CPC classification number: G02B6/3524 ,  G02B6/3528 ,  G02B6/3546 ,  G02B6/3572 ,  G02B6/358

Abstract: A 2.times.2 optical switch employes a six-faced prism which can be moved from a first position to a second position. Mechanical latching means are used to maintain the second position without the necessity of applying continuous power to the moving means which preferably is a solenoid.

Abstract translation: 2x2光开关采用可从第一位置移动到第二位置的六面棱镜。 机械锁定装置用于保持第二位置，而不需要对优选为螺线管的移动装置施加连续的动力。

公开(公告)号：US4247840A

公开(公告)日：1981-01-27

申请号：US33920

申请日：1979-04-27

Applicant: David A. Cooper ,  William T. Monoski ,  Edward J. Vibert

Inventor： David A. Cooper ,  William T. Monoski ,  Edward J. Vibert

IPC: H01H83/02

CPC classification number: H01H83/02

Abstract: A duplex electrical receptacle providing ground fault protection and mountable in an ordinary wall outlet box and including a metal support plate formed to telescope over a container of electrical insulating material and be affixed thereto and to a wall outlet box with the container having therein a pair of bus-bar conductors of identical configuration and reversibly positioned, flexible spring-like connectors coupling a power source to the bus-bar conductors, a plugable printed circuit board with associated electrical circuitry and components for detecting a ground fault condition, and a re-set guide assembly responsive to the circuitry of the printed circuit board for effecting connection and disconnection of a power source and the bus bar conductors of the receptacle.

Abstract translation: 一种双面电插座，其提供接地故障保护并且可安装在普通墙壁插座盒中，并且包括金属支撑板，所述金属支撑板形成为望远镜覆盖在电绝缘材料的容器上并被固定到其上并且具有壁插座箱，该容器具有一对 具有相同结构和可逆定位的汇流条导体，可逆地定位，将电源耦合到母线导体的柔性弹簧状连接器，具有相关联的电路和用于检测接地故障状况的部件的可插拔印刷电路板，以及重新设置 引导组件，其响应于印刷电路板的电路，用于实现电源和插座的母线导体的连接和断开。