Matches 1 - 28 out of 28


Match Document Document Title
US20140176116 QUANTIFYING SILICON DEGRADATION IN AN INTEGRATED CIRCUIT  
A first instance and a second instance of an oscillating circuit are each formed as part of an integrated circuit and are used to monitor degradation over time of one or more portions of the...
US20130088213 CURRENT SWITCH WITH AUTOMATIC CALIBRATION  
A current switch that can be reset when it is not powered automatically calibrates itself when the circuit monitored by the current switch is energized.
US20130057303 DEVICE AND METHOD FOR DETECTING A CLASPING OF A HAND-HELD DEVICE BY A HAND  
A device for an electric hand-held device for detecting the hand-held device being clasped by a hand, has at least one transmitting electrode, which can emit an alternating electric field, and at...
US20140028284 METHOD FOR OBTAINING ELECTRIC POWER INFORMATION  
A method for obtaining electric power information is applied with a power supply and includes following steps of coupling the power supply to an AC power source; detecting a voltage of the AC...
US20150008899 METHODS AND SYSTEMS FOR ACCURACY IMPROVEMENT IN CURRENT COMPARATORS  
Precision AC and DC voltage, current, phase, power and energy measurements and calibrations with current ranges from 1 uA to 20 kA and voltage ranges from 1V to 1000 kV are now performed with...
US20090309574 DEVICE FOR COUNTING OSCILLATIONS OF AN OSCILLATING TEMPORAL SIGNAL  
A device for counting oscillations of an oscillating temporal signal. The device comprises means for counting all the alternate crossings of a positive threshold value and of a negative threshold...
US20130162241 DETECTING MALICIOUS HARDWARE BY MEASURING RADIO FREQUENCY EMISSIONS  
A method of testing an electronic device comprises measuring radio frequency emissions at a plurality of positions relative to a trusted unit of a particular electronic device during operation of...
US20080143317 Resizable display  
A test and measurement apparatus is provided including a control panel; and a display. The display includes a first portion and a second portion. The second portion of the display is covered by...
US20080203998 ON-CHIP POWER SUPPLY MONITOR USING LATCH DELAY SENSOR  
A system for on-chip power supply monitoring by using a single latch delay sensor, including a first delay chain; a second delay chain; a latch circuit; a latch counter; and a slate machine for...
US20110163736 METHOD TO DETECT CLOCK TAMPERING  
This invention relates to a method of receiving a first potentially unreliable clock signal having a first frequency; receiving a second reliable clock signal having a second frequency; wherein...
US20140009140 SYSTEM FOR TESTING REAL TIME CLOCK  
A system for testing a real time clock (RTC) includes a frequency-dividing circuit configured to generate a frequency-dividing clock pulse signal equal to a rated frequency of a clock pulse signal...
US20140145707 VOLTAGE FLUCTUATION DETECTION CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT  
A voltage fluctuation detection circuit includes an oscillation circuit configured to receive an operation voltage and perform an oscillation operation, an operation voltage generation unit...
US20130030742 METHOD AND SYSTEM FOR MONITORING A SYNCHRONOUS MACHINE  
A method for monitoring a synchronous machine is described. The method includes injecting a narrowband sinusoidal signal at a first end of a field winding of the synchronous machine. The method...
US20140035560 METHOD AND APPARATUS FOR LIMITING ACCESS TO AN INTEGRATED CIRCUIT (IC)  
A method and apparatus for limiting access to an integrated circuit (IC) upon detection of abnormal conditions is provided. At least one of abnormal voltage detection, abnormal temperature...
US20110074390 Signal Acquisition System Having Reduced Probe Loading of a Device Under Test  
A signal acquisition system has a signal acquisition probe having probe tip circuitry coupled to a resistive center conductor signal cable. The resistive center conductor signal cable of the...
US20140214266 ADAPTIVE OSCILLATORY FAULT MONITORING  
Systems, media, and methods are provided for oscillation monitoring. An aircraft system includes a first oscillation monitoring module and a second oscillation monitoring module. The first...
US20120194169 dF/dT TRIGGER SYSTEM AND METHOD  
A dF/dT trigger system and method includes instantaneously triggering on a frequency deviation of a data signal, which can be associated with an SSC signal. After receiving a signal at an input...
US20110025298 DETERMINING DEGRADED INSULATING ABILITY IN INSULATION PROVIDED BETWEEN TWO OBJECTS OF AN INDUCTIVELY OPERATING ELEMENT  
A method, device and computer program product for determining the change in insulating ability of the insulation provided between two objects of an inductively operating element, where at least...
US20130106398 GAIN MEASUREMENT CIRCUIT, GAIN MEASUREMENT METHOD, AND COMMUNICATION APPARATUS  
A gain measurement circuit of a receiver includes a frequency mixer that receives a reception signal, mixes the reception signal with a local signal from an oscillator, and outputs an intermediate...
US20130147462 FAST WIDEBAND FREQUENCY COMPARATOR  
A frequency comparator outputs an input reference signal and a comparison target signal as pulse-form signals, and is charged or discharged with a voltage corresponding to the reference signal to...
US20140223614 POTENTIAL MEASUREMENT DEVICE AND ATOMIC FORCE MICROSCOPE  
A device includes: an electrode; a displacement measurement unit outputting voltage corresponding to electrostatic force between the electrode and a sample; a first power supply applying a first...
US20150061640 Method and Device for Sensorless Control of a Separately Excited Synchronous Machine  
A method for sensorless control of a separately excited synchronous machine having a rotor includes the following steps: feeding a test signal on a parameter of an electrical current driving the...
US20110215795 DETECTOR AND DETECTION METHOD  
A detector obtains an output signal from an input signal containing a target signal and outputs the output signal. The detector includes an amplifier configured to receive the input signal and the...
US20170168187 SURGICAL ADAPTER ASSEMBLIES AND WIRELESS DETECTION OF SURGICAL LOADING UNITS  
An adapter assembly includes an elongated body configured to couple to a handle assembly and a loading unit assembly. The adapter assembly includes an oscillator configured to output a voltage...
US20160165687 BALLAST TYPE DETECTING CIRCUIT AND LIGHT EMITTING DIODE LIGHTING APPARATUS HAVING THE SAME  
A ballast type detecting circuit includes a ballast signal clamping circuit coupled to a ballast, wherein the ballast signal clamping unit is configured to clamp an output of the ballast, and a...
US20150355250 CONSTANT PERIOD SIGNAL MONITORING CIRCUIT AND LOAD CONTROL BACKUP SIGNAL GENERATING CIRCUIT  
A constant period signal monitoring circuit for monitoring a constant period signal that is output periodically when a control processor operating according to a program is normal, includes a...
US20150349546 Supplying-End Module of Induction Type Power Supply System and Voltage Measurement Method Thereof  
A voltage measuring method for a supplying-end module of an induction type power supply system includes generating a coil signal on a supplying-end coil of the supplying-end module; clamping the...
US20100315061 MEASUREMENT APPARATUS AND RECORDING MEDIUM  
Provided is a measurement apparatus that measures power of a modulated signal that is modulated with a carrier signal having a prescribed frequency, comprising an AD converting section that...

Matches 1 - 28 out of 28