Patents
Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031)
06/2006
06/29/2006US20060142964 Fault location using measurements from two ends of a line
06/29/2006US20060139835 Device for protection from thunder
06/29/2006US20060139830 Power supply circuit
06/29/2006US20060139829 Supply voltage switching circuit
06/29/2006US20060139828 Power supply circuit for providing semiconductor integrated circuit device with a plurality of power supply voltages
06/29/2006US20060139827 Power management system
06/29/2006US20060139316 Systems And Methods For Replicating Virtual Memory On A Host Computer And Debugging Using Replicated Memory
06/29/2006US20060138868 Power transfer switch assembly
06/29/2006DE19608765B4 Elektrische Schaltvorrichtung The electrical switching apparatus
06/28/2006EP1673844A1 Electrostatic discharge protection circuit and method of operation
06/28/2006EP1673842A2 Single-sensor microcontroller-based approach for ground fault circuit interrupters
06/28/2006CN2791994Y Safety unit
06/28/2006CN2791990Y Overcurrent and over tension protection integrating block device
06/28/2006CN2791713Y Single-chip machine electricity-saving-proofing control device in intelligent public toilet management system
06/28/2006CN1795436A 备份小区控制器 Backup cell controller
06/28/2006CN1794528A Grounding failure breaker
06/28/2006CN1794527A Protection circuit
06/28/2006CN1793997A Automatic tuning and small current grounding failure wire selection system of 8421 parallel reactor composite extinction coil
06/28/2006CN1793996A Automatic tuning and small current grounding failure wire selection system of master slave extinction coil
06/28/2006CN1262057C Electronic switch
06/27/2006US7069485 Reading data from a memory with a memory access controller
06/27/2006US7069469 Versioning and replaying performance tuning projects
06/27/2006US7069159 Electric power transmission network state estimation
06/27/2006US7069116 High impedance fault detection
06/27/2006US7068612 Method for communicating information bundled in digital message packets
06/27/2006US7068487 Surge protector
06/27/2006US7068486 Half-bridge circuit and method for driving the half-bridge circuit
06/27/2006US7068484 Secondary battery protection device
06/27/2006US7068483 Circuit breaker lockout
06/27/2006US7068481 Protection device with lockout test
06/27/2006US7068480 Arc detection using load recognition, harmonic content and broadband noise
06/27/2006US7068047 Residual current detection circuit
06/27/2006US7066749 Method and system for preventing the formation of an electric arc in a connector which is inserted in a power load supply line
06/27/2006CA2524616C Dishwasher
06/22/2006WO2006065128A1 Earth leakage circuit breaker
06/22/2006WO2006064385A2 Apparatus for the remote resetting of an electrical device
06/22/2006WO2006063503A1 Varistor with an alloy-type temperature fuse
06/22/2006US20060133002 Digital amplifier
06/22/2006US20060133000 Overcurrent protection circuit and DC power supply
06/22/2006US20060132998 Power supply circuit
06/22/2006US20060132997 Apparatus and method for over-voltage and over-current protection for a step-up current-mode converter
06/22/2006US20060132991 Method for protecting a medical device
06/22/2006US20060132266 IDCI with reset lockout and independent trip
06/22/2006DE102004059455A1 Overvoltage detection and protection arrangement for e.g. power supply unit, has filter connected with input, and transient detector connected with input, where filter is low pass filter
06/22/2006DE102004057119A1 Operating method for electric circuit e.g. motor vehicle electrical system involves interruption of switching equipment in case of identification of appearance of electric arc to electric current
06/22/2006CA2588819A1 Metal oxide varistor with built-in alloy-type thermal fuse
06/21/2006EP1671573A2 Dishwasher
06/21/2006EP1153464B1 Lightning arrestor device for high power electric installations
06/21/2006CN1790856A Voltage type electricity-proof wall detecting chip with time-base circuit neutral wire/earth wire detecting interface
06/21/2006CN1790855A Wire controlled circuit structure of voltage comparative type electricity-proof wall with marks to distinguish multiple electrical appliances
06/21/2006CN1790854A Remote control circuit structure of voltage comparative type electricity-proof wall with marks to distinguish multiple electrical appliances
06/21/2006CN1790853A Composite high temperature superconductive power fault current limiter
06/21/2006CN1790852A Power supply control circuit with selecting current-limiting mode function
06/21/2006CN1790851A Safety electricity consumption protector
06/20/2006US7065610 Method and apparatus for maintaining inventory of logical volumes stored on storage elements
06/20/2006US7065467 Method and apparatus for system management using codebook correlation with symptom exclusion
06/20/2006US7064950 Circuit device comprising multiple polarization-graded ferroelectric elements and method of using
06/20/2006US7064947 Power surge protection device
06/20/2006US7064946 Electronic fuse
06/20/2006US7064945 Capacitive load driving circuit and liquid crystal display
06/20/2006US7064944 Circuit breaker for detecting overload
06/20/2006US7064941 Aircraft applicable current imbalance detection and circuit interrupter and packaging thereof
06/15/2006WO2005114805A3 Differential current detection
06/15/2006US20060129281 Systems and methods for updating graphical representations on multiple interface devices
06/15/2006US20060126251 Power supply transmission cord
06/15/2006US20060126248 Method and apparatus for controlling device power supply in semiconductor tester
06/15/2006US20060126247 Control circuit of power supply with selectable current-limiting modes
06/15/2006US20060126245 Integrated reverse battery protection circuit for an external MOSFET switch
06/15/2006US20060126244 Protective apparatus
06/15/2006US20060126243 Power strip with 12 volt outlet
06/15/2006US20060126242 Power conversion system and method
06/15/2006US20060126241 AC power backfeed protection based on phase shift
06/15/2006US20060126240 AC power backfeed protection based on voltage
06/15/2006US20060126235 Lamp holder with ground fault circuit interrupter receptacle
06/15/2006US20060126233 Safety method and optoelectronic sensor
06/15/2006CA2588308A1 Improved circuitry for portable lighting devices and portable rechargeable electronic devices
06/14/2006EP1290456B1 Method for detecting resistive faults
06/14/2006CN2788432Y Surge restrain and electric leakage electric shock over-pressure, over-current comprehensive protector
06/14/2006CN2788430Y Breaker phase-shortage release protecting equipment
06/14/2006CN2788429Y Ultra-red remote control double digital display alternative current and over-current protector
06/14/2006CN2788428Y Quarantine shield of sudden wave absorber
06/14/2006CN1788398A Electric circuit breaker
06/14/2006CN1787316A Method for realizing direction protecting by flowing direction changing of same side current
06/14/2006CN1787315A Fast proteeting circuit sensing to working voltage and temp.
06/14/2006CN1787311A Wire controlling circuit structure with operational amplifying circuit preventing electricity wall of distinguishing various electric appliances by bit zone
06/14/2006CN1787310A Voltage limiting electricity preventing device for auto-cleaning buttocks type auto-flushing closet with piston controlling
06/14/2006CN1787309A Flow limiting electricity preventing device for buttocks self-cleaning type auto-flushing closet with piston controlling
06/14/2006CN1787308A Protecting circuit for electrical equipment
06/14/2006CN1786856A Wire controlling circuit structure of shockproof wall with switech circuit marking position distingushing multi electrical appliances
06/14/2006CN1786855A Remote circuit structure of shockproof wall with switch circuit of marking position distingushing multi electrical appliances
06/13/2006US7062683 Two-phase root cause analysis
06/13/2006US7062412 Interactive demonstration method for a measuring instrument and system using a network
06/13/2006US7062359 Substation control system
06/13/2006US7061740 System and method for protecting an audio amplifier output stage power transistor
06/13/2006US7061739 Overcurrent protection circuit
06/13/2006US7061738 Protective circuit
06/13/2006US7061737 System and method for ESD protection on high voltage I/O circuits triggered by a diode string
06/13/2006US7061304 Fuse latch with compensated programmable resistive trip point
06/13/2006US7061196 Power window system
06/13/2006US7061052 Input protection circuit connected to protection circuit power source potential line