Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
10/1998
10/06/1998US5818120 Circuit for limiting an overvoltage on a control switch connected in series with an inductive load
10/06/1998US5818099 MOS high frequency switch circuit using a variable well bias
10/01/1998WO1998043352A1 Method and apparatus for slew rate and impedance compensating buffer circuits
10/01/1998WO1998043351A1 Safety switch
10/01/1998WO1998043350A1 Control device for producing hard turn-on pulses for a gate turn-off thyristor
10/01/1998WO1998043345A1 Power converter
10/01/1998DE19735749C1 Power amplifier esp. gradient amplifier of nuclear resonance tomograph
09/1998
09/30/1998EP0868081A1 Clock phase synchronizing circuit
09/30/1998EP0868029A1 Crosspoint switch module with an increased number of inputs
09/30/1998EP0868014A1 A high voltage converter circuit
09/30/1998EP0867999A1 A method and a device for detecting and handling short-circuit phenomena for power semiconductor devices
09/30/1998EP0867274A1 Apparatus for automatically controlling operation of slide of fail-safe press
09/30/1998EP0867071A1 A bus driver circuit configured to partially discharge a bus conductor to decrease line to line coupling capacitance
09/30/1998EP0867069A1 Fault protection for cmos analog switch
09/29/1998US5815446 Semiconductor memory device
09/29/1998US5815442 Data transfer apparatus with large noise margin and reduced power dissipation
09/29/1998US5815386 Snubber for zero current switched networks
09/29/1998US5815358 Circuit configuration and semiconductor body with a power switch
09/29/1998US5815024 Look-up table using multi-level decode
09/29/1998US5815015 Synchronization and shutdown circuits and methods in high-speed switching regulator drive circuits
09/29/1998US5814904 Method for providing alternate current paths to a junction
09/29/1998US5814735 Flow rate detector
09/29/1998CA2099171C Logic output driver
09/24/1998WO1998042080A1 Power interface circuit for a tdma transmitter
09/24/1998WO1998042068A1 Power converter
09/24/1998WO1998042066A1 High power inverter pole employing series connected devices configured for reduced stray loop inductance
09/24/1998WO1998041901A1 Optical switching device
09/24/1998DE19751301A1 Schmitt-trigger circuit for input buffer
09/24/1998DE19711588A1 Sicherheitsschalter Safety Switches
09/23/1998EP0866557A1 Solid state relay
09/23/1998EP0866556A1 Short circuit protection circuit
09/23/1998EP0771492B1 Servo-amplifier for controlling a high-ohmic low-voltage source
09/23/1998EP0741838B1 Device for operating a high-tension switch by means of light energy
09/22/1998US5812939 Switch semiconductor integrated circuit and communication terminal device
09/22/1998US5812595 Waveform shaping circuit for a multiplexed information bus transmitter
09/22/1998US5812414 Method for performing simulation using a hardware logic emulation system
09/22/1998US5812121 Cascode current units with inverter circuitry control
09/22/1998US5812103 High voltage output circuit for driving gray scale flat panel displays and method therefor
09/22/1998US5812057 Device for finding concealed studs
09/22/1998US5812015 Boosting pulse generation circuit for a semiconductor integrated circuit
09/22/1998US5812011 Current switching circuit formed in an integrated semiconductor circuit
09/22/1998US5812010 Soft-switching driver output stage and method
09/22/1998US5812006 Optimized power output clamping structure
09/22/1998US5812001 Power-on reset circuit for resetting semiconductor integrated circuit
09/22/1998US5811996 Gate drive circuit having reduced current-consumption and rapid inductive energy dissipation
09/22/1998US5811994 Electrically controlled bidirectional AC switch, and an integrated circuit and electronic card incorporating the switch
09/22/1998US5811991 Logic circuit and semiconductor device using it
09/22/1998US5811948 Control apparatus for electric motor
09/22/1998US5811893 Proximity switch for operation in the presence of interference fields
09/22/1998US5811809 Nuclear event detector and threshold detector circuit therefor
09/22/1998US5811798 Sealed photoelectric detector
09/22/1998US5810858 Endoscopic shaver blade window positioning system
09/19/1998CA2231219A1 Short circuit protection circuit
09/17/1998WO1998035494A3 Ergonomic hand-attachable controller
09/17/1998WO1998028703A3 Symbol lock detector
09/17/1998DE19811296A1 Integrated semiconductor circuit for optical signal transmission for IC tester
09/17/1998DE19723522C1 Deceleration switch for detecting vehicle deceleration above defined threshold
09/17/1998DE19716914C1 Proximity switch with coil wire break recognition circuit
09/17/1998DE19708618A1 Circuit for generating reset signal
09/16/1998EP0865162A2 Optimum noise isolated I/O with minimized footprint
09/16/1998EP0865161A2 Driving apparatus for an inductive load
09/16/1998EP0865055A1 Load driving circuit
09/16/1998EP0864203A1 High voltage level shifting cmos buffer
09/16/1998EP0864202A1 Inherently balanced voltage regulation and current supply for bus termination
09/16/1998EP0804744B1 Process of non-contact distance sensing
09/16/1998EP0740861A4 Breakdown protection circuit using high voltage detection
09/16/1998CN2291755Y Solid switch
09/15/1998US5808971 Timer with temperature compensation of time delays
09/15/1998US5808851 Controlled switching
09/15/1998US5808567 Apparatus and method of communicating using three digits of a hand
09/15/1998US5808504 Insulated gate transistor drive circuit
09/15/1998US5808502 Parallel micro-relay bus switch for computer network communication with reduced crosstalk and low on-resistance using charge pumps
09/15/1998US5808492 CMOS bidirectional buffer without enable control signal
09/15/1998US5808480 High voltage swing output buffer in low voltage technology
09/15/1998US5808477 Circuit for detection and protection against short circuits for digital outputs
09/15/1998US5808457 Transistor overload protection assembly and method with time-varying power source
09/15/1998US5808345 High speed IGBT
09/15/1998US5808327 AC controller
09/11/1998WO1998039842A1 Wrist-pendant wireless optical keyboard
09/11/1998WO1998039841A2 Integrated bidirectional transistor switch for large signal voltages
09/10/1998DE19718807C1 Connecting and mounting arrangement for flat switch unit with actuating surface in one flat side and annular flange enclosing unit
09/09/1998EP0863613A1 Optical coupler arrangement
09/08/1998US5805491 Fast 4-2 carry save adder using multiplexer logic
09/08/1998US5805401 Undervoltage lockout circuit with sleep pin
09/08/1998US5805146 Integrated display screen and slidable control for electrical circuits
09/08/1998US5805062 2-wire optovoltaic loop-powered isolation amplifier with current bootstrapping
09/08/1998US5805015 Current generator stage used with integrated analog circuits
09/08/1998US5805014 System having active pull-down circuit and method
09/08/1998US5804999 Appliance AC power control apparatus
09/08/1998US5804956 Current limitation programmable circuit for smart power actuators
09/08/1998US5804943 For a capacitive load
09/08/1998US5804921 Soliton quenching NLTL impulse circuit with a pulse forming network at the output
09/08/1998US5804866 Method and device for dynamically self-biasing regions of integrated circuits
09/08/1998US5804859 Power semiconductor device having over-current protection
09/08/1998US5804816 Position transducer having optical beam generator for covering wide detectable range
09/03/1998WO1998038739A1 Cmos integrated circuit
09/03/1998WO1998038738A1 Current-limit circuit
09/03/1998WO1998028760A3 Integrated display screen and slidable control for electrical circuits
09/03/1998DE19709844A1 Sensor esp. wheel sensor for rail vehicle
09/03/1998DE19709768C1 Control device for switch output stage esp. gradient amplifier of tomography device