Quotables
"During my service in the United States Congress, I took the initiative in creating the Internet."
Al Gore ; The basis for the later misquote by US Republicans that Gore had "invented" the Internet. Gore was the leading political champion of the modern-day Internet.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8154303 | Method for locating cable impairments Methods are disclosed for identifying and locating points of impairment in a cable plant, such as that used for cable television (CATV). The methods utilize both known characteristics of signals as well as propagation times in free space and within the cable in conj... | 04/10/2012 |
| 7421355 | Measuring apparatus, measuring method, testing apparatus, testing method, and electronic device There is provided a measuring apparatus for measuring a signal-under-test, having a comparator for sequentially comparing voltage values of the signal-under-test with a threshold voltage value fed thereto at timing of strobe signals sequentially fed thereto, a strob... | 09/02/2008 |
| 7398169 | Measuring apparatus, measuring method, testing apparatus, testing method, and electronics device There is provided a measuring apparatus for measuring a signal-under-test, having a comparator for sequentially comparing voltage values of the signal-under-test with a reference voltage value fed thereto at timing of strobe signals sequentially fed thereto, a strob... | 07/08/2008 |
| 7385403 | KVM switch configured to estimate a length of a conductor A system for estimating a length of a conductor (110) having a first end (111) and a second end (112) includes a device (120) capable of placing an electric signal on the conductor, an impedance element (130) that maintains the ele... | 06/10/2008 |
| 7352189 | Time aligned bussed triggering using synchronized time-stamps and programmable delays Techniques for triggering that provide time-aligned triggering of a set of components using a bussed topology. Triggering according to the present teachings includes a set of components that each include circuitry for measuring a propagation delay on a trigger bus o... | 04/01/2008 |
| 7323861 | Contact plate for use in standardizing tester channels of a tester system and a standardization system having such a contact plate One embodiment of the invention provides a standardization module for use in standardizing tester channels of a tester unit using a standardization unit for making contact with contact faces which are connected to the tester channels and for standardizing the tester... | 01/29/2008 |
| 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 |
| 7292044 | Integrating time measurement circuit for a channel of a test card In a first embodiment of the invention there is provided an electronic chip for use with an automatic testing equipment device testing a device under test. The device under test has a plurality of pins and the electronic chip is placed in a channel of a test card th... | 11/06/2007 |
| 7281181 | Systems, methods and computer programs for calibrating an automated circuit test system In one embodiment, an automated circuit test system is calibrated by electrically coupling a first calibration unit between a plurality of drivers and comparators of the test system, and then executing an AC timing calibration procedure to determine a timing delay f... | 10/09/2007 |
| 7271580 | Apparatus and method for programmable trip settings in a faulted circuit indicator A fault indicator for indicating the occurrence of a fault in an electrical conductor is programmable, such as in the field, by placing a magnet in proximity to the housing of the fault indicator. A data processor senses the changed state of a magnetic switch and, a... | 09/18/2007 |
| 7266738 | Test apparatus, phase adjusting method and memory controller An inventive test apparatus has a timing comparator for obtaining an output value of an output signal outputted from a memory-under-test with timing of a strobe signal, a logical comparator for comparing the output value obtained by the timing comparator with an exp... | 09/04/2007 |
| 7253636 | Wire tracer receiver A method and apparatus includes a signal generator, a power supply, a micro-controller, a transmitter and a receiver for determining the condition of a line. The signal is passed through the line and any reflection is used to determine varying characteristics of the... | 08/07/2007 |
| 7216315 | Error portion detecting method and layout method for semiconductor integrated circuit For the purpose of readily specifying a portion of the circuit which has a high possibility of error occurring due to a variation in the supply voltage so that the specified vulnerable portion is countermeasured in a mask layout process, a simulation section simulat... | 05/08/2007 |
| 7129936 | Display unit and electronic device including the same A display unit of which inspection process to inspect a connector for faulty connection can be automated. The display unit comprises a display section, a display driver IC among a plurality of types of display driver ICs capable of driving and controlling the displa... | 10/31/2006 |
| 7096443 | Method for determining the critical path of an integrated circuit A method of determining the critical path of a circuit includes first determining the paths, their mean path transit times and their path transit time fluctuations. Paths having similar statistical parameters are combined to form one path group. For each path group,... | 08/22/2006 |
| 7075309 | System and method to locate an anomaly of a conductor A system (20) and method to locate an anomaly (22) of a conductor (24) is provided. The system (20) uses a test set (28) to inject a test signal (36) into the conductor (24) at a location (PT) and a probe (... | 07/11/2006 |
| 7069163 | Digital spread spectrum methods and apparatus for testing aircraft wiring A system and method that utilizes direct sequence spread spectrum signal (DSSS) encoding to enable testing of a live wire, wherein an original data signal is modified and then transmitted along the wire, and a reflected signal is collected and analyzed using correla... | 06/27/2006 |
| 7006932 | Technique for determining performance characteristics of electronic devices and systems A technique for determining performance characteristics of electronic devices and systems is disclosed in one embodiment, the technique is realized by measuring a first response on a first transmission line from a single pulse transmitted on the first transmission l... | 02/28/2006 |
| 7002925 | Method and system for computer network link with undefined termination condition The location of a termination in a properly terminated LAN can be remotely detected. The cable's skin effect produces a detectable signature at the sending-end when a step function, for example, reaches the termination. Accordingly, a network analysis device is conn... | 02/21/2006 |
| 6980739 | Method for gain control of fiberoptic repeating system A method of gain control in a fiberoptic repeating system is disclosed. By the present invention, the signal levels of an optical cable can be frequently monitored without affecting the control operations of the base station. Thus, damped signal levels can effective... | 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 |
| 6940289 | Method and apparatus for tracing a line A method and apparatus includes a signal generator, a power supply, a micro-controller a transmitter and a receiver for determining the condition of a line. The signal is passed through the line and any reflection is used to determine varying characteristics of the ... | 09/06/2005 |
| 6920402 | Technique for determining performance characteristics of electronic devices and systems A technique for determining performance characteristics of electronic devices and systems is disclosed. In one embodiment, the technique is realized by measuring a first response on a first transmission line from a single pulse transmitted on the first transmission ... | 07/19/2005 |
| 6856138 | Time-domain reflectometer for testing terminated network cable A time domain reflectometer having a first impedance when in a first test mode and a second impedance when in a second test mode. The first impedance is substantially the same as the nominal characteristic impedance of a network link cable not connected to a network... | 02/15/2005 |
| 6853201 | Method for testing a capacitive actuator A capacitive actuating element is driven using a control signal of duration T1. This duration T1 is related to prescribed or measured values for charging, discharging and open periods T2, T3 and T4: (T1+T3−T2−T4)≦|X| and is compared with a magnitude (li... | 02/08/2005 |
| 6853196 | Method and apparatus for electrical cable testing by pulse-arrested spark discharge A method for electrical cable testing by Pulse-Arrested Spark Discharge (PASD) uses the cable response to a short-duration high-voltage incident pulse to determine the location of an electrical breakdown that occurs at a defect site in the cable. The apparatus for c... | 02/08/2005 |
| 6822457 | Method of precisely determining the location of a fault on an electrical transmission system A method of precisely determining velocity of propagation and the location of a fault on an electric transmission line, using a system of high frequency transmitter and receiver combinations to monitor and detect high frequency bursts produced by the transmitters an... | 11/23/2004 |
| 6784819 | Measuring skew between digitizer channels using fourier transform A technique for deskewing digitizer channels in an automatic test system includes applying a waveform of known frequency to the input of each digitizer channel. Each digitizer channel samples the waveform to produce a respective data record. A Discrete Fourier Trans... | 08/31/2004 |
| 6777953 | Parallel arc fault diagnostic for aircraft wiring A system for locating parallel arcing faults in a set of wires is described. The system includes three devices that can be used in combination or alone. A first device applies a current to a wire while grounding the remaining wires of the set of wires so as to cause... | 08/17/2004 |
| 6657436 | Sheath monitoring technique A system (10) for monitoring a cable (14) for fault in the metallic sheath (12) includes a transmitter (16) for applying a signal to a first end of the metallic member at periodic intervals. A receiver (18) periodically measures what if any signal exists ... | 12/02/2003 |
| 6621562 | Time domain reflectometer with wideband dual balanced duplexer line coupling circuit A time domain reflectometer transmission line interface includes a pulse driver for generating a transmitted pulse signal. A coupling transformer coupled to the pulse driver couples the transmitted pulse signal to a transmission line and receives a reflec... | 09/16/2003 |
| 6614236 | Cable link integrity detector A method and apparatus for measuring the length of a cable link in a computer network sends a test signal through the cable and examines how the signal is received. Measurements of the signal transit time, decrease in signal amplitude, and decrease in sig... | 09/02/2003 |
| 6586924 | Method for correcting timing for IC tester and IC tester having correcting function using the correcting method A timing correcting method for correcting the timings of an IC tester at low cost, wherein the method uses a probe (300) for taking out a signal fed to a pin out of the pins of an IC socket (203) to which an IC to be measured is plugged when the probe is ... | 07/01/2003 |
| 6573697 | Method and apparatus for determining the energy of a signal The invention describes two alternative methods and corresponding devices for producing an energy signal yn whose amplitude values represent the energy of an electrical signal sn. A first method and the corresponding device calculate... | 06/03/2003 |
| 6566889 | Line diagnostics for wireline modems A modem with built-in transmission line diagnostic capability is presented. Said built-in line diagnostics are capable of determining said transmission line's length and detecting the presence of any bridge taps. Said built-in diagnostics have an advantag... | 05/20/2003 |
| 6472859 | Capacitively coupled electrical ground detection circuit An electrical ground detection circuit 10 having a first capacitor 18 and a second capacitor 20 which selectively receives a certain amount of voltage. The certain amount of voltage decreases by a certain amount during a period of time, as the capacitor 1... | 10/29/2002 |
| 6472883 | Detection of surface anomalies in elongate conductive members by pulse propagation analysis Pulse propagation analysis to ascertain whether and anomaly such as surface corrosion exists on a section of conductive member such as pipe. Anomalies such as surface corrosion result in localized velocity changes of pulses propagating along a conductive ... | 10/29/2002 |
| 6469514 | Timing calibration apparatus and method in a semiconductor integrated circuit tester There are provided a timing calibration apparatus and a timing calibration method capable of carrying out the calibration of timing on an IC tester with high accuracy. There is provided a probe to be sequentially contacted with pins of an IC socket on whi... | 10/22/2002 |
| 6448782 | Arrangement and method for defining the location of source of partial discharges A method and an arrangement (300, 400) for determining the location of partial discharge sources in an electric system, the method includes the steps of measuring a variable of the electric system, such as voltage or current, to which partial discharges o... | 09/10/2002 |
| 6441695 | Methods for transmitting a waveform having a controllable attenuation and propagation velocity Methods for driving a lossy transmission media with an energy wave defined by a an exponential waveform function. The propagation delay and attenuation of the wave is a function of an exponential coefficient, and its propagation velocity is essentially co... | 08/27/2002 |
