221745 ⎘
Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors using phototransistors
Switching circuit
#2Power adapter having ultra low standby power
#3Switching circuit
#4Optical switch keyboard adjustment method and optical switch keyboard using the same
#5RF impedance matching network
#6Nurse call and interlock signaling for pillow speaker communication channels
#7Phase loss detection device, compressor including the same, and phase loss detection method
#8Galvanic isolated device and corresponding system
#9Wire break detection in digital input receivers
#10Arrangement for a photodetector circuit for low power applications, and a corresponding method and a computer program product
#11Optical-control driving circuit for high utility power
#12RF power amplifier
#13Digital input circuit for receiving digital input signals of a signal generator
#14Switching circuit
#15Parasitic capacitance compensation circuit
#16Optocoupler-based control circuit and method thereof
#17Power converter
#18Wire break detection in digital input receivers
#19Isolation device with half duplex channel
#20POWER CONVERSION DEVICE AND DRIVE DEVICE
#21Power converter
#22Switching circuit
#23Solar Photovaltaic Module Rapid Shutdown and Safety System
#24Switching circuit for RF currents
#25Standby control circuit and display device
#26Multi-voltage to isolated logic level trigger
#27Power conversion device and drive device
#28Large-range input circuit
#29Solar photovaltaic module rapid shutdown and safety system
#30Apparatus and method for transmitting an analog signal, and analog signal multiplexer
#31Solar photovoltaic module safety shutdown system
#32Power controller
#33Power supply module and soft start method
#34Circuit arrangement having an overload protection for galvanic isolation units
#35Electronic circuit operating based on isolated switching power source
#36Energy-saving electronic touch switch
#37Protection relay
#38Solar photovoltaic module safety shutdown system
#39Systems and methods involving transducer signals
#40Current measurement signal device with electrical isolation, electronic trip unit, and circuit breaker comprising one such device
#41Commutation failure detection circuit for back-to-back SCR circuit and controlling method thereof having relatively better efficiency
#42Isolator circuit including a voltage regulator
#43Method and apparatus for recognizing a change-of-state in communication signals of electronic circuits
#44Optical coupling device and electronic apparatus using same that transmits a signal with two light emitting elements and one or two light receiving elements
#45Optically triggered wide bandgap bipolar power switching devices and circuits
#46Dual current-source digital-input circuit for an industrial automation system
#47Actuation circuit for an electromagnetic actuator
#48Hybrid analog key structure
#49Controller IC device for a switched mode power converter and method for operating a controller IC device of a switched mode power converter
#50Solar photovoltaic module safety shutdown system