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| Application No. | Application Title | Issue Date |
| 20120025996 | SYSTEM, METHOD, AND APPARATUS FOR MANAGING WASTEWATER TREATMENT INSTALLATION Apparatus for managing a residential wastewater treatment system includes an in situ control unit that monitors an individual system. The control unit provides local control and alarms, and also sends status reports and/or alarms to a remote monitoring center via a tele... | 02/02/2012 |
| 20120019392 | USB Charger A USB charger comprises a power input, a microprocessor, a resistor network, and a USB port for charging electronic devices through the USB port. The USB charger defaults to provide 2000 mA when power is applied through the power input. When a device is detected at the ... | 01/26/2012 |
| 20110304471 | MULTI-FUNCTIONAL INFRARED THERMOMETER A multi-functional infrared thermometer having an infrared sensor device, a sensing device and a light-emitting diode (LED) light source is provided, wherein the infrared sensor device and the sensing device are disposed in a shell and used for measuring a temperature a... | 12/15/2011 |
| 20110298626 | BATTERY SYSTEM AND MANAGEMENT METHOD A system and method for monitoring the status of a system of battery strings is described. The system includes a current sensor for each of the battery strings, and a controller configured to compare the measured current with criteria to determine whether the battery is... | 12/08/2011 |
| 20110232585 | Radial-shape wireless dog fence system and method A radial-shaped wireless fence system is provided that contains one or more dogs in a user-defined area without the need for a physical fence or underground wire. The system includes a base unit and at least one collar, and is easy to set up and use. Through improved fi... | 09/29/2011 |
| 20110221604 | EXTERNAL POWER SOURCE VOLTAGE DROP COMPENSATION FOR PORTABLE DEVICES A portable electronic device has a connector with a first pin and a second pin, and a battery charging circuit having an input coupled to receive current through the second pin to charge a battery of the device. The portable device also has a controller to determine whe... | 09/15/2011 |
| 20110181432 | EXTERNAL DEVICE HAVING LOW POWER DETECTION AND PROTECTION AND METHOD THEREOF When an external device connects to a connecting port of a host, a current detection circuit of the external device detects if the current provided by the host is less than the working current needed by the external device. If the current provided by the host is insuffi... | 07/28/2011 |
| 20110089902 | CIRCUITRY FOR BALANCING CHARGING OF SERIES CONNECTED BATTERY CELLS A circuit for preventing overcharging a battery cell is disclosed. The circuit comprises a voltage detector for monitoring a voltage across a battery cell. The voltage detector is configured to determine when the voltage across the battery cell is greater than a first t... | 04/21/2011 |
| 20110057808 | OVERCURRENT PROTECTION CIRCUIT An overcurrent protection circuit connected between a voltage input and a voltage output of an electronic device to protect against excessive current is disclosed. The overcurrent protection circuit includes first to fifth resistors, a relay comprising a coil and a norm... | 03/10/2011 |
| 20110043351 | method of visually representing the variation over time of a current difference between a real value and an optimum value for a parameter, using at least three activatable light signals The invention relates to a method of visually representing the variation over time of a difference between a real value of a parameter and an optimum value thereof using at least three activatable light signals, said method comprising:
| 02/24/2011 |
| 20110025519 | NON-INTRUSIVE UTILITY MONITORING A method of outputting to a user an indication of the usage of a utility, the method comprising: obtaining data indicating, for each of a plurality of appliances, a respective current level of usage of the utility by that appliance; for each of a plurality of appliance ... | 02/03/2011 |
| 20100295693 | GROUND TERMINAL BLOCK FAULT INDICATOR An electrical ground terminal block assembly and arrangement to make ground fault situation accessible comprise a ground terminal housing to hold the wire linking elements and a characterized ground fault indicating device. The ground terminal block based on the inventi... | 11/25/2010 |
| 20100283599 | Power management for wireless devices A method and apparatus for wireless device power management is provided. The method comprises providing a charge to an intermediate power cell by electrically connecting the intermediate power cell to a power source, disconnecting the intermediate power cell from the po... | 11/11/2010 |
| 20100214109 | Current Protection Apparatus and Method A current protection apparatus (200) and current protection method (1000) that may include programmable current protection characteristics has been disclosed. A current protection apparatus (200) may include a power distribution unit (230) wi... | 08/26/2010 |
| 20100188241 | Current detection and precaution alarm device The present invention discloses a current detection and precaution alarm device consisting of a current sensing device, a current voltage converter, an alarm device, a selection adjusting button and an illumination device, and primarily used in a current loop of an elec... | 07/29/2010 |
| 20100176960 | Branch current monitor with an alarm A power meter for monitoring current in a power cable annunciates an alarm if the current transgresses one or more alarm current limits. False alarms are avoided by delaying the activation of the alarm for a delay interval following determination that current is flowing... | 07/15/2010 |
| 20100134314 | POWER SWITCH A power switch, in which one end is electrically connected to a power supply terminal, while another end is electrically connected to an electronic device, and the power switch is used to switch the power supply state of an electronic device. The present invention prima... | 06/03/2010 |
| 20100123603 | METHOD AND DEVICE FOR MONITORING THE FUNCTION OF A SAFETY UNIT A method for monitoring a function of a safety unit, in particular of a bilge blower of a boat with a combustion engine, connected via a manually operated switch to a voltage supply. The current flowing through the safety unit is measured and an acoustic alarm is trigge... | 05/20/2010 |
| 20100073178 | Novel circuit interrupting device with high voltage surge protection The present invention provides a circuit interrupting device which comprises a leakage current detection and protection circuit containing a simulated leakage current generation circuit which is capable of automatically generating a simulated leakage current when the ci... | 03/25/2010 |
| 20100019915 | Industrial universal electrometer An electrometer for use in measuring current is provided. The electrometer includes an enclosure capable of containing various components of the electrometer. A pre-amplifier is present and is one of the components of the electrometer. The pre-amplifier is contained by ... | 01/28/2010 |
| 20100013649 | LOAD CONTROL DEVICE HAVING AUDIBLE FEEDBACK A load control device for controlling the amount of power delivered from an AC power source to an electrical load comprises a non-visual, haptic sensory output structure for producing a variable human detectable output related to the amount of power being delivered to t... | 01/21/2010 |
| 20090323233 | APPARATUS AND METHOD OF DETERMINING INSULATION RESISTANCE IN AN UNGROUNDED MOBILE VEHICLE ELECTRICAL BUS SYSTEM An insulation resistance detection system for use with a vehicle having a chassis. The system includes an electrical power source, an electrical system, and a detection circuit. The electrical system is electrically isolated from the chassis. The detection circuit is po... | 12/31/2009 |
| 20090295591 | VERIFYING SPEAKER OPERATION DURING ALARM GENERATION The patent discloses a method of verifying that a dialysis machine audio alarm has been sounded. The method senses a waveform of electric power, such as a waveform of the current or voltage that drives a speaker. When the speaker produces sound, power consumption change... | 12/03/2009 |
| 20090146847 | System and method for using human recognizable content to communicate with electronic devices A system for utilizing human-recognizable material to interact with digital content may include human-recognizable content, an electric field generating device adapted to generate an electric field, an electric field emitting device adjacent to the human-recognizable co... | 06/11/2009 |
| 20090128348 | Overload alarm device and method thereof An overload alarm device is provided. The device is disposed in an electric auxiliary system for avoiding overload of the system. The device includes a current detection unit, a voltage comparison unit and an alarm unit. The current detection unit includes a non-contact... | 05/21/2009 |
| 20090115620 | Current switch with automatic calibration A current switch is automatically calibrated when a flow of electric current is initiated in a power cable.... | 05/07/2009 |
| 20090115400 | Status indicator The sensitivity and accuracy of a status indicator for sensing a current in an electrical circuit is improved by shifting the reference level of the transformer output to maximize the input signal to a precision voltage detector and by reducing the hysteresis of the sta... | 05/07/2009 |
| 20090039070 | SEMICONDUCTOR EQUIPMENT AND BREAKDOWN PRECAUTIONARY SYSTEM AND METHOD THEREOF A breakdown precautionary system of a semiconductor equipment includes a semiconductor equipment with a coil heater, at least a voltage/current detector, and an alarm system. The voltage/current detector detects the voltage and current of the coil heater at the same tim... | 02/12/2009 |
| 20090028551 | DYNAMIC DIGITAL DIAGNOSTIC ALERTS Alerts, such as laser driver current alarms, are triggered in an optoelectronic device based on dynamic digital diagnostics, such as operating temperature. Optoelectronic devices may execute microcode structured to represent a formulaic relation between a first paramete... | 01/29/2009 |
| 20090002183 | SURGE CURRENT ALARM CIRCUIT An exemplary surge current alarm circuit includes a detecting circuit to detect a surge current and convert the surge current into a digital signal with a pulse width corresponding to a duration of an over value part of the surge current when the surge current is over a... | 01/01/2009 |
| 20080309505 | Current-differential relay device A relay device, installed at one end of a power line within a protected zone, includes a processor performing a transmitting process that transmits first sampling current data of the power line at the one end to another relay device installed at the other end, through a... | 12/18/2008 |
| 20080255782 | Devices, Systems, and Methods for Monitoring Energy Systems Certain exemplary embodiments can provide a system, which can comprise a set of electrical energy monitoring devices. Each of the set of electrical energy monitoring devices can be adapted to be mounted in a circuit breaker panel substantially adjacent to a correspondin... | 10/16/2008 |
| 20080239668 | OUTSIDE PLANT TELECOMMUNICATIONS CABINET DIRECT AIR COOLING SYSTEM An outdoor equipment cabinet includes a housing with an equipment compartment therein. An intake air vent and an exit air vent are formed in the housing. A fan is mounted within the housing for pulling air into the intake air vent, moving an air stream through the equip... | 10/02/2008 |
| 20080197815 | Vehicle electrical system having a reverse polarization detector A vehicle electrical system includes an alternator, a rectifier connected to the alternator, a battery which is connectable to the output connections of the rectifier, and a reverse polarization detector connected to the battery. The reverse polarization detector includ... | 08/21/2008 |
| 20080150741 | Device for Detecting Current-Impressed Signals in Security Systems A device and method for detecting current-impressed useful signals, added to a DC supply current, for a digital alarm line security system are described. To operate the alarm system using high DC supply currents on the alarm line without significantly affecting the rece... | 06/26/2008 |
| 20080151444 | METHOD AND APPARATUS FOR PROTECTION AGAINST CURRENT OVERLOADS An over-current protection device is provided that uses a micro-controller to sense and interrupt current flow used by motors. Because the same micro-controller that is operating the motors may be used for the overall application current monitoring, no significant hardw... | 06/26/2008 |
| 20080136655 | Over-current alerting circuit and method thereof An over-current alerting circuit used in a hand held device includes a current sensor module, a photo sensor module and an alerting module. The current sensor module is used for sensing a loading current of the hand held device and outputting a photo signal according to... | 06/12/2008 |
| 20080068193 | METHOD AND APPARATUS FOR SENSING A CURRENT IN A CIRCUIT Techniques are disclosed to sense a current in a circuit. For instance, current sense circuit according to the teachings of the present invention includes a current sense resistor coupled to an input of the current sense circuit. The current sense resistor is coupled to... | 03/20/2008 |
| 20080068212 | Coupling point temperature and current measuring system A system for measuring temperature and current at coupling points in an electric distribution network. A monitor device is connected to a series of measuring devices using radio waves. The monitor device sequentially interrogates measuring devices to determine the tempe... | 03/20/2008 |
| 20080068192 | LIGHT EMITTING ELEMENT CONTROL SYSTEM AND LIGHTING SYSTEM COMPRISING SAME A light-emitting element control system is described comprising a series connection of one or more LEE units, each comprising one or more LEEs and a unit activation module. The unit activation module associated with a LEE unit is configured to controllably activate, in ... | 03/20/2008 |
