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The Quarterly Review ; March edition, 1825
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| Number | Title | Issue Date |
| 7439747 | Location of high resistance ground faults on buried power-cables The location of high resistance ground faults within buried co-axial power cables can be detected by transmitting a combined signal along the cable at a primary frequency of 0.718 Hz and a primary amplitude in the order of 4,500 volts peak to peak. This combined sig... | 10/21/2008 |
| 7424417 | System and method for clock domain grouping using data path relationships A method and system are disclosed, in a simulation of a design of a digital integrated circuit chip, to limit a number of scan test clocks and chip ports used for testing the chip. Clock domains are identified within the design of the chip that are independent of ea... | 09/09/2008 |
| 7423545 | Failed filter arrest indicator and method for use in multiple arrester location The present invention is a technique for locating and identifying a failed filter/arrester in an underground conveyance such as a fiber optic cable. A sensor is installed in the filter/arrester housing to sense grounding of a cable locating frequency. The sensor wil... | 09/09/2008 |
| 7403129 | Electrical switching apparatus and method employing acoustic and current signals to distinguish between parallel and series arc faults A circuit breaker includes a first lug and second and third acoustic lugs electrically connected to a power circuit. Separable contacts are electrically connected in series between the first lug and the second acoustic lug. An operating mechanism opens and closes th... | 07/22/2008 |
| 7363560 | Circuit for and method of determining the location of a defect in an integrated circuit According to one aspect of the invention, a circuit for determining the location of a defect in an integrated circuit is described. The circuit comprises a conductor extending from a first node to a second node and a test signal driver coupled to the first node of t... | 04/22/2008 |
| 7358750 | Inspection apparatus for printed board An inspection apparatus comprises a fixed unit including a control device and a measurement device, and a moving unit including contact terminals, which are brought into contact with contacts formed on a printed board having electrode patterns subjected to electrica... | 04/15/2008 |
| 7319334 | Apparatus and method of inspecting breakdown of conducting wire A breakdown inspection apparatus for a wire includes a power supply applying a voltage to the wire and an electric field sensor detecting an electric field generated around the wire by the applied voltage so as for a user to determine according to variation of the e... | 01/15/2008 |
| 7299437 | Method and apparatus for detecting timing exception path and computer product A selector selects an FF pair (FFs, FFe) in circuit information, a calculator calculates value-capturing condition data at FFe, a divider divides a path set that matches the value-capturing condition data from a set of paths between the FF pair (FFs, FFe), and a mul... | 11/20/2007 |
| 7296070 | Integrated monitoring system A method for monitoring events generated on at least one computer system, said method comprising the steps of: (a) monitoring a set of event data generated on said at least one system; (b) recording said set of eve... | 11/13/2007 |
| 7262603 | System and method for sensing the formation of tin whiskers A system and method for sensing the formation of tin whiskers is presented. An assembly substrate includes whisker detectors at various locations for detecting tin whiskers in an X direction, a Y direction, and a Z direction relative to the assembly substrate. Each ... | 08/28/2007 |
| 7227364 | Test circuit for and method of identifying a defect in an integrated circuit The embodiments of the present invention enable a new metal diagnosis pattern based on a production test pattern to quickly identify open and short circuits of metal lines which cannot be probed, such as the long lines of a programmable logic device, and to further ... | 06/05/2007 |
| 7211994 | Lightning and electro-magnetic pulse location and detection for the discovery of land line location The identification of the path and termination points of copper landlines is performed through the use of natural events without the aid of network provisioning information. At least one sferics detector detects at least one sferics event. A listening device, which ... | 05/01/2007 |
| 7209331 | Method and power feed for electrical inspections A device is provided for inspecting an installed electrical system including a power panel and branch circuits with respective circuit breakers. The device includes a power interface unit with a Ground Fault Circuit Interrupter (GFCI) for connection with the power p... | 04/24/2007 |
| 7180300 | System and method of locating ground fault in electrical power distribution system A method for locating a ground fault in an electrical power distribution system includes providing a plurality of current sensors at a plurality of locations in the electrical power distribution system. The method further includes detecting a ground fault in the ele... | 02/20/2007 |
| 7148696 | Electrical switching apparatus and method including fault detection employing acoustic signature A circuit breaker detects a fault, such as an arc fault or glowing contact, of a power circuit. The circuit breaker includes a first lug and a second acoustic lug adapted to be electrically connected to the power circuit. Separable contacts are electrically connecte... | 12/12/2006 |
| 7075310 | Device and method for testing for a wiring fault condition A device for testing for a wiring fault condition is disclosed. The device includes an electrical connector, a first signal generator, a second signal generator, and a user interface. The electrical connector includes first and second contacts that are configured to... | 07/11/2006 |
| 7057401 | Electrical wiring inspection system A system for testing and documenting the electrical wiring in a building, for example, includes a Portable Circuit Analyzer (PCA) that is connected to the building's Load Center through an umbilical cord. The PCA is in wireless communication with a hand-held compute... | 06/06/2006 |
| 6998994 | Failed filter arrest indicator and method for use in multiple arrester location The present invention is a technique for locating and identifying a failed filter/arrester in an underground conveyance such as a fiber optic cable. A sensor is installed in the filter/arrester housing to sense grounding of a cable locating frequency. The sensor wil... | 02/14/2006 |
| 6999021 | Method and apparatus for detecting, mapping and locating underground utilities The method and device for locating underground utilities within an area includes traversing the area with a plurality of underground utility sensors and obtaining area location data to locate the area traversed. The sensor data and area location data are used to map... | 02/14/2006 |
| 6995568 | Method for fault tracing in electronic measurement and test arrangements for electrochemical elements A method for fault tracing in automatically operating electronic measurement and test arrangements for a large number of electrochemical elements, wherein holders for the electrochemical elements are provided on the measurement and test arrangements and wherein cell... | 02/07/2006 |
| 6982556 | System and method for classifying defects in and identifying process problems for an electrical circuit A method for performing circuit defect analysis and process problem identification includes applying a test signal to a circuit, obtaining a signal generated in response to the test signal, comparing the response signal to reference information, classifying a defect... | 01/03/2006 |
| 6979997 | Method of controlling the operation of a digital state machine from a master controller in an IC-chip testing system An IC-chip testing system includes multiple digital state machines, and a master controller which controls the operation of those digital state machines by a particular method. In this method, the master controller first generates a command chain in which multiple c... | 12/27/2005 |
| 6975312 | Computer system having network connector and method of checking connection state of network cable therefor A computer system having a network connector to which a network cable is connected, including a displaying part displaying a connection state of the network cable; a signal processing part processing a signal inputted through the network connector; and a control par... | 12/13/2005 |
| 6972573 | Device and method for inspecting circuit board The present invention provides an inspection apparatus and an inspection method capable of inspecting at a high speed by using a sensor having flexibility and excellent productivity. When a circuit board 100 as a subject of inspection is selected, CAD data of... | 12/06/2005 |
| 6944937 | Method of reducing ESD damage in thin film read heads which enables measurement of gap resistance The present invention provides a method of manufacturing a magnetoresistive read head which reduces electrostatic discharge and allows measurement of gap resistances in the head. ... | 09/20/2005 |
| 6904549 | Method for fault identification in an electrical radial network, an application of the method and an arrangement for fault identification in an electrical radial network A Device for fault identification in an electrical radial network has a section cable and a number of outgoers which can be connected thereto. The device provides that a central control device uses fault direction signals and/or fault signals which are formed by out... | 06/07/2005 |
| 6895349 | Gate comparator A gate comparator control panel, in accordance with the subject invention, allows a user to define up to four different gate regions that may exist on any of the live waveforms, maths waveforms, or REF waveforms. A menu for each gate controls the position of each ga... | 05/17/2005 |
| 6867596 | Fault detection system A system and method for fault detection including a transmitter adapted to transmit a composite signal on a buried cable so that fault leakage of the composite signal returns to the transmitter through the ground surrounding the buried cable. The composite signal is... | 03/15/2005 |
| 6825052 | Test assembly including a test die for testing a semiconductor product die One embodiment of the present invention concerns a test assembly for testing product circuitry of a product die. In one embodiment, the test assembly includes at test die and an interconnection substrate for electrically coupling the test die to a host controller th... | 11/30/2004 |
| 6777951 | Method and apparatus for detecting and isolating shorts and other troubles on a polling loop An Addressable Electronic Switch (AES) is disclosed together with unique S/W (software) procedures for a system control to detect, locate, and isolate shorts, overloads, and other troubles, such as temporary breaks or disconnects, on a Vplex or similar 2-wire pollin... | 08/17/2004 |
| 6734682 | Testing device for detecting and locating arc faults in an electrical system A testing device for detecting and locating an arcing fault in an electrical system includes a detector circuit for detecting one or more characteristics of the arcing fault proximate the arcing fault and outputting a responsive signal. An annunciator speaker or dis... | 05/11/2004 |
| 6734681 | Apparatus and methods for testing circuit boards Methods and apparatus are disclosed for detecting manufacturing defects on unpopulated printed circuit boards under test (BUT) utilizing reliable single point current measurement. In a first set of preferred embodiments, an AC signal generator is connected to a sign... | 05/11/2004 |
| 6674290 | Method and system for multi-port synchronous high voltage testing The invention disclosed a method and system for multi-port synchronous high voltage testing, which mainly uses two or more sets of testing circuit with variable output condition and a high voltage generator with zero intermediate voltage for synchronous h... | 01/06/2004 |
| 6662323 | Fast error diagnosis for combinational verification A fast error diagnosis system and process for combinational verification is described. The system and process localizes error sites in a combinational circuit implementation that has been shown to be inequivalent to its specification. In the typical case,... | 12/09/2003 |
| 6653845 | Addressable open connector test circuit An open circuit detection apparatus is provided for detecting whether a connection is closed between a local node and a remote node having a known impedance. A ping source is connected to the local node. The ping source has an output for transmitting an a... | 11/25/2003 |
| 6646451 | Time domain reflectometer display method A computer-based method and computer-readable medium containing computer-executable instructions for assimilating data collected by a time domain reflectometer and displaying more than two waves representing reflections of a pulse on conductors is provide... | 11/11/2003 |
| 6600327 | Method of reducing distortion and noise of square-wave pulses, a circuit for generating minimally distorted pulses and use of method and circuit A method and apparatus of measuring current in a switching circuit (2) of the two-port type having a first set of terminals connected to a set of terminals of a noise reducing circuit, wherein a second set of terminals of the switching circuit has a switc... | 07/29/2003 |
| 6531878 | Direct current voltage detection stick The receiver has a casing member and a tip is removably attached to the casing member. A transmitter is connected to a battery and the transmitter produces a transmitter signal by periodically connecting a resistance to the battery. Preferably, the transm... | 03/11/2003 |
| 6490694 | Electronic test system for microprocessor based boards A method and apparatus for use with an electronic test system to enable the direct testing of buses on a unit under test (UUT). A connection and interface for an electronic test system are provided, which are simple to use, fast to connect and reliable, w... | 12/03/2002 |
| 6470480 | Tracing different states reached by a signal in a functional verification system A functional verification system which provides information as to whether a signal has reached all possible states. For example, in the case of a signal with 0 and 1 as possible states, a 2 bit variable is initialized to 00. When a value of 1 is received ... | 10/22/2002 |
