Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
12/1998
12/10/1998WO1998055834A1 Rotational speed sensor
12/10/1998DE19825029A1 Current measurement circuit to measure current through electrical path
12/10/1998DE19742389A1 Power on reset signal generation circuit
12/09/1998EP0883267A2 Line driver
12/09/1998EP0883246A1 A heater control device
12/09/1998EP0882988A2 Micromechanic acceleration switch
12/09/1998EP0882258A1 Integrated circuit reset incorporating battery monitor and watchdog timer
12/09/1998EP0733283B1 A protected switch
12/09/1998CN1201295A Multifunction power-supply control device
12/08/1998US5847941 Switching power supply system and process
12/08/1998US5847655 Safety discharge circuit for high voltage electrical system and method
12/08/1998US5847593 Voltage discharge circuit for a photovoltaic power source
12/08/1998US5847586 Enhanced power-on-reset/low voltage detection circuit
12/08/1998US5847577 DRAM memory cell for programmable logic devices
12/08/1998US5847548 Current-sharing passive snubber for parallel-connected switches and high power boost converter employing the same
12/08/1998US5847436 Bipolar transistor having integrated thermistor shunt
12/06/1998CA2207118A1 Power dissipation limiter for high frequency switch
12/03/1998WO1998054838A1 Circuit for protection from excess temperature
12/03/1998WO1998039841A3 Integrated bidirectional transistor switch for large signal voltages
12/03/1998DE19823459A1 Ignition arrangement for internal combustion engine
12/03/1998DE19722300A1 Übertemperatur-Schutzschaltung Over-temperature protection circuit
12/02/1998EP0881770A1 Control circuit for the current switch edges of a power transistor
12/02/1998EP0881769A2 Abnormal current detection circuit and load drive circuit including the same
12/02/1998EP0881737A2 Electric charge transfer
12/01/1998US5844760 Insulated-gate controlled semiconductor device
12/01/1998US5844506 Multiple input proximity detector and touchpad system
12/01/1998US5844415 Method for three-dimensional positions, orientation and mass distribution
12/01/1998US5844248 Circuit arrangement including photoelectric transducers for supplying a high voltage driving signal to an insulated gate bipolar transistor
12/01/1998US5844204 Device for detection of electric current by micro-leakage
12/01/1998CA2012657C Broadband signal switching equipment
11/1998
11/26/1998WO1998053546A1 Power converter wherein mos gate semiconductor device is used
11/26/1998DE19751079A1 Switch-capacitor circuit formed in semiconductor substrate
11/25/1998EP0880228A1 Fast switch able to withstand high DC voltage and current, realized by assembly of elementary thyristors
11/25/1998CN2298620Y Universal two-wire high-grade type multifunction infrared remote-control two-way wall switch
11/25/1998CN2298619Y Universal two-wire infrared remote-control wall switch
11/25/1998CN2298618Y Universal two-wire splendid type multifunction infrared remote-control multichannel wall switch
11/25/1998CN1199955A Input amplifier for input signal with steep-side
11/24/1998US5841649 Current-sensing mosfets in paralleled mosfet power circuit
11/24/1998US5841647 Power conversion system
11/24/1998US5841317 Differential amplifier circuit with a high through put rate and reduced power consumption
11/24/1998US5841313 Switch with programmable delay
11/24/1998US5841312 Gating circuit having current measuring and regulating elements and a temperature measuring transistor
11/24/1998US5841297 Circuit arrangement for driving an MOS field-effect transistor allocated to the supply circuit of an electrical load
11/24/1998US5841205 Branching unit for underwater telecommunications systems
11/19/1998WO1998052111A1 Voltage regulating circuit for eliminating 'latch-up
11/19/1998DE19742930C1 Power switch with overload protection
11/19/1998CA2289935A1 Voltage regulating circuit for eliminating "latch-up"
11/18/1998EP0878752A1 Voltage regulation circuit for suppressing the "latch-up" effect
11/18/1998EP0829137A4 Dual feature input/timing pin
11/18/1998CN2297820Y 电子时间控制开关 Electronic time control switch
11/18/1998CN1199275A Driving circuit for IGBT
11/17/1998US5838803 Muting circuit
11/17/1998US5838555 Two-wire power supply electronic switch
11/17/1998US5838526 Load actuation circuit with a surge protecting function
11/17/1998US5838187 Integrated circuit thermal shutdown system utilizing a thermal sensor
11/17/1998US5838186 Signal output circuit with reduced noise in output signal
11/17/1998US5838185 Multiple individual Kelvin emitter connections to reduce current flow through parasitic diode
11/17/1998US5838177 Adjustable output driver circuit having parallel pull-up and pull-down elements
11/17/1998US5838152 Pulse timer circuit
11/17/1998US5838110 Powered by an ac supply source
11/17/1998US5838076 Digitally controlled trim circuit
11/17/1998US5837995 Wavelength-controllable voltage-phase photodiode optoelectronic switch ("opsistor")
11/12/1998WO1998050859A1 Electronic system having a chip integrated power-on reset circuit with glitch sensor
11/12/1998DE19711431C1 Electronic electrostatic discharge protection circuit for electronic circuits
11/11/1998EP0877485A1 Triggering circuit for a triac
11/11/1998EP0877470A2 Method and device for power control of an electric load connected to an AC supply network
11/11/1998EP0877458A2 Connection- and mounting device
11/11/1998EP0876724A1 A telephone switch hook interface circuit
11/10/1998US5835992 Switching control signal generator for small precision motor
11/10/1998US5835371 Bridge type power converter
11/10/1998US5834966 Integrated circuit sensing and digitally biasing the threshold voltage of transistors and related methods
11/10/1998US5834965 Circuit for switching current in a mainly inductive load
11/10/1998US5834964 Lateral PNP fast turn-on circuit
11/10/1998US5834958 Power on system
11/10/1998US5834954 Integrated comparator circuit
11/10/1998US5834860 Controlled impedance transistor switch circuit
11/10/1998US5834763 Low noise photon coupled circuit
11/10/1998US5833301 Powered sliding device for vehicle sliding door
11/05/1998DE19736929A1 Safety alarm for detecting faults in medical equipment
11/04/1998EP0876069A1 Switch network
11/04/1998EP0875904A2 A sample-and-hold circuit
11/04/1998EP0875774A2 Detection of passing magnetic articles while periodically adapting detection threshold
11/04/1998EP0875733A2 Detection of passing magnetic articles using a peak-on-peak percentage threshold detector
11/04/1998EP0799379B1 Ignition system
11/04/1998CN2296600Y Wall touch type voltage regulation switch
11/03/1998US5831842 Active common mode canceler
11/03/1998US5831806 Protective circuit for BiCMOS/CMOS circuitry in hybrid VCC systems during H operation
11/03/1998US5831596 Joystick controller using magnetic position sensors and a resilient control arm with sensor used to measure its flex
11/03/1998US5831466 Protection method for power transistors, and corresponding circuit
11/03/1998US5831464 Simplified differential single-shot
11/03/1998US5831460 Power-on reset circuit with separate power-up and brown-out trigger levels
11/03/1998US5831458 Output circuit having BiNMOS inverters
11/03/1998US5831457 Input buffer circuit immune to common mode power supply fluctuations
11/03/1998US5831453 For receiving an input data
11/03/1998US5831261 For actuating a light beam scanning device
11/03/1998CA2128757C Control circuit for controlling voltage supply of electric devices
10/1998
10/29/1998WO1998048435A1 Rotary switch with keying function
10/29/1998DE19717715A1 Energising field controlled semiconductor power switch for load current
10/28/1998EP0874461A2 Apparatus and method using waveform shaping for reducing high frequency noise from switching inductive loads
10/28/1998EP0873670A1 Reduced current consumption circuit for led devices