Amy He

US Patent 11181495 Rainwater detection device using electric wires

US Patent 11181550 Probe systems and methods including electric contact detection

US Patent 7532012 Detection and monitoring of partial discharge of a power line

US Patent 7532016 Electronic interface circuit for a capacitive sensor for measuring a physical parameter, and method for activating the electronic circuit

US Patent 7548066 Potential measuring device and image forming apparatus using the same

US Patent 7548068 System for testing properties of a network

US Patent 7554317 Critical current testing techniques for superconducting conductors

US Patent 7554335 Production test technique for RF circuits using embedded test sensors

US Patent 7557591 System and method for determining the state of a film in a plasma reactor using an electrical property

US Patent 7557598 Method of inspecting quiescent power supply current in semiconductor integrated circuit and device for executing the method

US Patent 7592817 Alignment correction system and method of use

US Patent 7592818 Method and apparatus for measuring scattering coefficient of device under test

US Patent 7602192 Passive station power distribution for cable reduction

US Patent 7609070 Manufacturing method and controlling method of electronic device

US Patent 7615985 Probe for measuring characteristics of an excitation current of a plasma, and associated plasma reactor

US Patent 7616004 Backplane tester and method of use

US Patent 7616006 Method and system for electrolyzer diagnosis based on curve fitting analysis and efficiency optimization

US Patent 7616009 Method for microwave measurement, measuring device and oscillator

US Patent 7629795 Vector impedance measurement system and method of using same

US Patent 7633284 Method and apparatus for managing ultracapacitor energy storage systems for a power transmission system

US Patent 7633299 Inspection apparatus using terahertz wave

US Patent 7633301 Track position sensor and method

US Patent 7639001 Built-in test for high speed electrical networks

US Patent 7642788 Voltage measurement instrument and method having improved automatic mode operation

US Patent 7646202 Static measuring method of electrical references of three-phase permanent magnet synchronous motor

US Patent 7649364 Circuit comprising a MOS transistor and a control circuit for the MOS transistor

US Patent 7649365 Inline inspection of photovoltaics for electrical defects

US Patent 7659726 Image forming apparatus with plural AC sources

US Patent 7659732 Four-wire ohmmeter connector and ohmmeter using same

US Patent 7659733 Electrical open/short contact alignment structure for active region vs. gate region

US Patent 7675298 Determining fluid characteristics

US Patent 7679390 Test apparatus and pin electronics card

US Patent 7683629 Circuit tester device

US Patent 7683631 Inverse characteristic measuring apparatus, distortion compensation apparatus, method, program, and recording medium

US Patent 7683634 Micromachined capacitive sensor and linkage

US Patent 7683635 Adjustable sensor strip for linear digital readouts

US Patent 7683636 Structure for capacitive balancing of integrated relative humidity sensor

US Patent 7683637 Touch sensor with electrostatic immunity and sensing method thereof

US Patent 7683652 Low-voltage detection circuit

US Patent 7688079 Detecting apparatus for detecting moisture content of media stack

US Patent 7696761 Spectrum analyzing method, distortion detector and distortion compensation amplifying device

US Patent 7696762 Non-metallic flow-through electrodeless conductivity sensor and leak detector

US Patent 7696768 On-die heating circuit and control loop for rapid heating of the die

US Patent 7705582 Broadband micro-machined thermal power sensor

US Patent 7705604 Electric circuit for triggering a piezoelectric element, in particular of a fuel injection system of a motor vehicle

US Patent 7705610 Apparatuses and methods for nondestructive microwave measurement of dry and wet film thickness

US Patent 7710121 Electrical connector integrity tester

US Patent 7710122 Ground resistance test apparatus

US Patent 7714565 Methods and apparatus for testing delay locked loops and clock skew

US Patent 7714584 Gravity gradiometer

US Patent 7714595 Foreign object detection sensor

US Patent 7719255 Safe input circuit with one-channel peripheral connection for the input of a bus participant

US Patent 7720425 Method and apparatus for printing using a tandem electrostatographic printer

US Patent 7723975 Current detecting circuit

US Patent 7723976 Self-adjusting hold-off trigger

US Patent 7723995 Test switching circuit for a high speed data interface

US Patent 7728577 Automatic current trimming method and circuits

US Patent 7733094 Electrical instrument platform for mounting on and removal from an energized high voltage power conductor

US Patent 7737704 System and method for using a PHY to locate a thermal signature in a cable plant for diagnostic, enhanced, and higher power applications

US Patent 7741828 Power disturbance detection circuit and method

US Patent 7741829 Subsystems and methods for use in patch clamp systems

US Patent 7741831 Frequency component measuring device

US Patent 7741851 Potential measuring apparatus

US Patent 7750638 Measuring device

US Patent 7755366 Calibration circuit, semiconductor device including the same, and method of adjusting output characteristics of semiconductor device

US Patent 7759944 Method for verifying the calibration of a multiport network analyzer and corresponding calibration unit

US Patent 7759965 Systems and methods to evaluate permanent magnet motors

US Patent 7768251 Superconducting coil testing

US Patent 7768254 Server power measurement

US Patent 7768273 Electrostatic discharge protection of a capacitive type fingerprint sensing array

US Patent 7777505 Nanopore platforms for ion channel recordings and single molecule detection and analysis

US Patent 7782065 Method of calibrating a network analyzer

US Patent 7786737 Modeling and calibrating a three-port time-domain reflectometry system

US Patent 7816926 High frequency circuit analyser

US Patent 7825666 Test apparatus and measurement apparatus for measuring an electric current consumed by a device under test

US Patent 7839150 Detecting device for detecting electrical connection between pads of a package substrate

US Patent 7847579 Systems and methods to evaluate permanent magnet motors

US Patent 7852098 On-die heating circuit and control loop for rapid heating of the die

US Patent 7855562 Dual sensor system having fault detection capability

US Patent 7859247 Device, system and method for monitoring electromagnetic fields

US Patent 7859272 Method for measuring speed of conductor slipping through capacitive sensor

US Patent 7863905 Detection and monitoring of partial discharge of a power line

US Patent 7863911 Test device and method for measurement of tunneling magnetoresistance properties of a manufacturable wafer by the current-in-plane-tunneling technique

US Patent 7868626 Burst noise canceling apparatus

US Patent 7868628 Tactile sensor utilizing microcoils with spiral shape

US Patent 7876108 Real time electronic cell sensing system and applications for cytotoxicity profiling and compound assays

US Patent 7880470 Switching circuit, signal output device and test apparatus

US Patent 7880482 Sensor mechanism and method for the production thereof

US Patent 7893682 For testability technique for phase detectors used in digital feedback delay locked loops

US Patent 7893696 Pulse circuit using a transmission line

US Patent 7898261 Lamp with metering device

US Patent 7902835 Transmission line driving circuit

US Patent 7902836 Calibration device and calibration method for adjusting a directional-coupler measuring system

US Patent 7902840 Apparatus for object information detection and methods of using same

US Patent 7906972 Inline inspection of photovoltaics for electrical defects

US Patent 7906974 Method for checking an inductive load

US Patent 7915901 Low-profile electrical resistance corrosion sensor

US Patent 7919967 Verification of a fabrication process used to form read elements in magnetic heads

US Patent 7924020 Free-state modal frequency response testing

US Patent 7924021 Procedure for testing the function of a lamp circuit

US Patent 7924027 Arrangement for determining the distance, capacitive distance sensor and method for automatically focussing a microscope

US Patent 7932726 Method of design optimization and monitoring the clean/rinse/dry processes of patterned wafers using an electro-chemical residue sensor (ECRS)

US Patent 7940051 Method for testing circuit breakers

US Patent 7948225 Phase identification systems and methods

US Patent 7948241 Fault direction determination

US Patent 7952360 Method and system for passively detecting and locating wire harness defects

US Patent 7956618 Additional pins on a USB connector

US Patent 7956619 Testing an inductive load of a device using a modulated signal

US Patent 7960977 Determining degraded insulating ability in insulation provided between two objects of an inductively operating element

US Patent 7965084 Self-monitoring switch

US Patent 7969156 Method and apparatus for monitoring a load

US Patent 7969164 Method and apparatus for mini module EMI shielding evaluation

US Patent 7977948 Sensor device and method thereof

US Patent 7982467 Built-in test for high-speed electrical networks

US Patent 7986150 Calibration circuit

US Patent 8004286 Voltage measurement instrument and method having improved automatic mode operation

US Patent 8004288 Methods and apparatus for testing of high dielectric capacitors

US Patent 8005415 Method and apparatus for printing using a tandem electrostatographic printer

US Patent 8008925 Electrical partial discharge pulse marker discrimination

US Patent 8008933 System and method for baseband calibration