Matches 1 - 13 out of 13


Match Document Document Title
US20120299740 Method and Apparatus Pertaining to Automatic Electrical-Fault Detection  
An automatic fault detector momentarily interrupts a provision of operating power to a load having a minimal forward-bias voltage requirement to thereby provide a testing window and then applies a...
US20080042862 ALARM DEVICE FOR INDICATING EXCESSIVE STATIC ELECTRICITY  
An alarm device is provided for monitoring a level of static electricity on an object. The alarm device includes a detection unit and an alarm unit. The detection unit detects the level of static...
US20090251327 Grounding Monitoring Device And System For Work  
The present invention provides a device to monitor whether a work station operator has properly worn a grounding mechanism, and a novel cascading means to chain multiple devices into a chain for...
US20090167546 Grounding Monitoring Device For Work Station Operator  
The device detects whether an operator of a work station has properly worn a wrist strap or other ground mechanism. A major characteristic of the device is that a wireless energy transmission and...
US20100019914 METHOD FOR TESTING PERSONNEL ESD GROUNDING DEVICES WITH FUNCTION OF NEAR-FAIL ALERT AND DEVICE FOR PERFORMING THE SAME  
A method for testing personnel ESD grounding devices with a function of near-fail alert is disclosed. A near-fail range is set. When the measurement of the resistance for a wrist strap or a...
US20100045473 NON-METALLIC ALERT SYSTEMS  
Alert systems indicate removal of one or more protected portions of electrical grounding assemblies. An alert system can include a signal transmitter, a signal receiver, an alert device, and a...
US20110254693 METHOD AND DEVICE FOR CONFIGURABLE GROUND MONITORING OF A WORKBENCH  
The invention provides a method for configurable ground monitoring of a workbench, and the method comprises the steps as follows. The step of detecting if each of monitored objects of a monitor...
US20080256998 SYSTEM AND APPARATUS FOR PROTECTING EQUIPMENT SENSITIVE TO ELECTRO-STATIC DISCHARGE  
A system and apparatus for protecting equipment sensitive to electro-static discharge is disclosed. A system that incorporates teachings of the present disclosure may include, for example, an...
US20130135112 ELECTROSTATIC CONDUCTING DEVICE AND METHOD FOR ELECTROSTATIC DISCHARGE PREVENTION IN ELECTROSTATIC DISCHARGE PROTECTION AREA  
A method for electrostatic prevention in an electrostatic discharge protection area applicable to an electrostatic conducting device including a main body, an alert unit, a sensing unit and a...
US20080088466 System and method to zero-sequence verify ground return path integrity by comparing measured zero-sequence current in an autotransformer with a second zero-sequence current source  
A ground return path is determined to be impaired when no zero-sequence current is measured in the neutral return path, but zero-sequence current is detected in other suitable measuring points...
US20120032813 GFCI with Overcurrent Protection and End-of-Life Warning and Tripping Functions  
The invention relates to a GFCI that trips and provides indication at the end of its life. It comprises a leakage signal detection circuit (LSDC) and a failure alarm for providing indication in...
US20160054367 POWER DISTRIBUTION UNIT AND ALARM METHOD APPLIED IN THE SAME  
A power distribution unit including a base, at least one socket, at least one detecting unit and a management unit is provided. The socket is disposed at the base and has at least one power end...
US20150371525 POWER DISTRIBUTION UNIT AND ALARM METHOD APPLIED IN THE SAME  
A power distribution unit including a base, at least one socket, at least one detecting unit and a management unit is provided. The socket is disposed at the base and has at least one power end...

Matches 1 - 13 out of 13