Class 361/57 - Current responsive

Subclass of Class 361 - Electricity: electrical systems and devices
Definition: Subject matter wherein the fault sensing means is sensitive
No. of applications: 32
Last issue date: 05/03/2012

Application No.	Application Title	Issue Date
20120106012	METHOD AND DEVICE FOR FAULT ANALYSIS AND REDUNDANCY SWITCHING IN A POWER SUPPLY FOR AN INSTRUMENT CABLE TOWED IN WATER Device (21) for fault analysis and redundancy switching for a multi-section instrument cable, such as a marine seismic streamer, which multi-sectional instrument cable includes a number of conductor pairs (20a-b) for power supply and data tra...	05/03/2012
20110188163	ABNORMALITY DETECTION CIRCUIT, LOAD DRIVING DEVICE, AND ELECTRICAL APPARATUS An abnormality detection circuit monitors the sink current Irnf of a H-bridge circuit and determines the presence of an abnormal state if the sink current is not detected for a predetermined time. The abnormality detection circuit includes a clock pulse generator, a cou...	08/04/2011
20110188162	Device for diverting surge currents or transient overvoltages The subject matter of the invention is a device for diverting surge currents or transient overvoltages (1), with a switching stage (2) and a switching element (3). The switching stage (2) is so designed as to switch on the switching element (...	08/04/2011
20110128658	ESD PROTECTION APPARATUS AND ESD DEVICE THEREIN An electrostatic discharge (ESD) protection device is provided. The ESD protection device includes a source region and a drain region. The source region is to be coupled to a low-level voltage. The drain region is disposed apart from the source region and includes a fir...	06/02/2011
20110090610	Circuit Arrangement The present invention concerns a circuit arrangement (1) for electrically coupling a direct-current source (2) to a direct-current load, including a first and a second current input node (11, 12) for receiving a direct current generated by the direc...	04/21/2011
20110075307	OVERCURRENT PROTECTION CIRCUIT AND IN-VEHICLE DISPLAY DEVICE An overcurrent protection circuit is provided. An overcurrent detecting element is connected between a power source and a load and detects an overcurrent flowing through the load. A main switch element is connected between the load and the overcurrent detecting element ...	03/31/2011
20110058294	Protection Circuit A protection circuit is coupled between a chipset and an I/O port. The protection circuit comprises at least two protection devices and a control device. The protection devices are coupled in parallel with each other, and coupled between the I/O port and the chipset. Th...	03/10/2011
20110051301	Method for Designing Integrated Electronic Circuits Having Electrostatic Discharge Protection and Circuits Obtained Thereof A method for designing an integrated electronic circuit (1) having Electro Static Discharge (ESD) protection, the method comprising providing an integrated electronic circuit (1) having a predetermined performance during normal operation of the circuit, th...	03/03/2011
20100289503	EXTENDED PROXIMITY SENSOR DEVICE WITH ELECTROSTATIC DISCHARGE PROTECTION An input device is provided with improved electrostatic discharge protection. Specifically, the input device includes a plurality of capacitive sensing electrodes configured for object detection. An electrostatic discharge (ESD) shunt is disposed near the capacitive sen...	11/18/2010
20100277842	INPUT/OUTPUT BUFFER AND ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT A buffer device includes a first driving circuit coupled between a signal terminal of the buffer device and a first reference potential, a current-limiting component including a first terminal coupled to the signal terminal, and a second driving circuit coupled between ...	11/04/2010
20100067156	ELECTRICAL BARRIER An electrical barrier for connecting a power supply to electrical equipment to be used in a potentially explosive area. The barrier includes a shunt zener diode for limiting the output voltage and a series resistance for limiting the current. In the arrangement shown, t...	03/18/2010
20090323239	METHOD AND APPARATUS FOR BALANCING CURRENT THROUGH AN INTERRUPT DEVICE Systems and methods are provided for balancing current through a first conductor and a second conductor. A method comprises determining if a first current through the first conductor is greater than a second current through the second conductor by more than a threshold ...	12/31/2009
20090279220	SEMICONDUCTOR DEVICE PACKAGE WITH INTERNAL DEVICE PROTECTION An integral impedence is formed on or within a lead frame pin of a semiconductor package and receives a connection from an electrode of a semiconductor die within the package to eliminate the need for adjustment and protective impedences external of the package. The imp...	11/12/2009
20090213509	SYSTEM AND METHOD FOR MITIGATING AN ELECTRICAL ARC FAULT A method and apparatus for mitigating arc faults in a power generation system includes reducing and/or eliminating voltage when an arc is present, to protect the system from associated damage....	08/27/2009
20090168278	CIRCUIT DEVICE AND METHOD OF SUPRESSING A POWER EVENT A circuit device includes a diode bridge having a first power input and a second power input and having a first output terminal and a second output terminal. The diode bridge includes a plurality of diodes and a respective plurality of diode bypass elements associated w...	07/02/2009
20090147421	CURRENT-LIMITING CIRCUIT WITH AT LEAST TWO VOLTAGE TAPS A current-limiting circuit, which limits an electrical current from a voltage source to a consumer to a predetermined maximum current. At least one measuring resistor (110) is connected in a current lead (14) between a circuit input (12) and a circu...	06/11/2009
20090135536	OVER-CURRENT PROTECTION IN LINEAR REGULATORS An integrated circuit radio transceiver and method therefor includes a linear regulator an output transistor for producing a current into an output node of the regulator wherein an amplification block is operable to produce a bias signal to a gate terminal of the output...	05/28/2009
20090021874	A METHOD OF PROVIDING A SECONDARY MEANS OF OVERLOAD PROTECTION AND LEAKAGE CURRENT PROTECTION IN APPLICATIONS USING SOLID STATE POWER CONTROLLERS The present invention provides an overload protection circuit having a first switch connected at a first side to a source of electrical power and at a second side to a load, the switch having on and off modes and a second switch connected between the first switch second...	01/22/2009
20080253047	Semiconductor Device and Electronic Device In a semiconductor device, a problem of heat generation and power loss is alleviated, and the semiconductor device is protected against the failure due to the overcurrent. The semiconductor device includes an IC chip having a large-current output. In the IC chip a measu...	10/16/2008
20080218921	Control Circuit with Reduced Load for a Bypass Switch The invention relates to a control circuit for controlling the power supplied from a power source to an electromotor, whereby the control circuit comprises a semiconductor switching element connected in series to the electromotor and the power source for controlling the...	09/11/2008
20080170343	Active matrix device with electrostatic protection An active matrix device includes a substrate, scan lines, data lines, pixels, electrostatic discharge ring, a circuit board and a electrostatic protection circuit. The scan lines and data lines are disposed on the substrate, in which the data lines cross the scan lines....	07/17/2008
20080158745	Data transmission circuit with ESD protection and LCD thereof Data transmission circuit with ESD protection comprises a first set of data lines and a second set of data lines; a first set of ESD protection components coupled to the first set of data lines; a second set of ESD protection components coupled to the second set of data...	07/03/2008
20080158748	Electrical Overstress Protection In one aspect, a method for protection of an integrated circuit device includes but is not limited to detecting a first current in the integrated circuit device, wherein the first current is caused by a second current; and shunting the second current away from the integ...	07/03/2008
20080151448	LOAD DRIVER CIRCUIT AND IGNITION DEVICE USING THE SAME A protection circuit can be prevented from malfunctioning due to the parasitic operation attributable to the unstable base potential of a transistor. In one embodiment, the protection circuit can be constituted by a reverse transistor system where the bases of transisto...	06/26/2008
20080144241	Active Clamp Protection Device An active clamp device electrically couples first and second nodes in respective first and second supply domains referenced to ground potentials that can be different. The active clamp device comprises first and second active devices controlled by signals respectively r...	06/19/2008
20080062601	Magnetic techniques to address electrostatic discharge A device is protected from induced or unexpected current spikes or surges, by receiving the current spikes through a conducting wire. The conducting wire is placed adjacent to a parallel conducting wire having opposing current flow. Magnetic fluxes in either conducting ...	03/13/2008
20080002321	ELECTROSTATIC DISCHARGE PROTECTION OF A CLAMP The present invention provides an ESD protection circuit for a ESD clamp such as an SCR in the protection of an integrated circuit. In one embodiment of the invention, the SCR having at least one interspersed high-doped first region formed within a first lightly doped r...	01/03/2008
20070109700	Semiconductor integrated circuit device The semiconductor integrated circuit device includes a voltage control circuit that generates a control voltage for deactivating a field effect transistor by a gate voltage. The voltage control circuit controls a voltage so as to substantially minimize the leakage curre...	05/17/2007
20070053122	SEMICONDUCTOR DEVICE A semiconductor device capable of setting a large number of operation modes with a single external terminal, while ensuring a stable operation mode regardless of fluctuations in the power supply voltage. The semiconductor device includes an internal circuit having a plu...	03/08/2007
20060187597	Static eliminator and electric discharge module A static eliminator capable of replacing a discharge needle and improving maintainability of the eliminator is disclosed. The static eliminator comprises: an air-guiding duct having a tubular portion provided with an opposite electrode and a boss portion; and an electri...	08/24/2006
20060028347	Apparatus and method for protecting an uninterruptible power supply and critical loads connected thereto An apparatus and method for monitoring and controlling a backup power source and one or more critical loads powered thereby is disclosed. The apparatus is constructed in the form of an electrical distribution panel that includes electronic systems for monitoring the cur...	02/09/2006
20050063113	Abnormal current determining method, electronic apparatus, and computer program of same A cellular telephone 1 measures a current value after being turned on, and performs addition and subtraction of a predetermined margin to and from the measured value, and thereby sets up determination thresholds for an overcurrent and an undercurrent, namely, a m...	03/24/2005

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Class 361/57 - Current responsive