Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
05/2003
05/15/2003US20030090312 Multiplexer circuit
05/15/2003US20030090311 High voltage switch suitable for non-volatile memories
05/15/2003US20030090293 I/O buffer with variable conductivity
05/15/2003US20030089965 Bipolar transistor circuit and usage method of bipolar transistor
05/15/2003US20030089920 Tricyclic fused ring compounds of given formula, for example, 10-(aminocarbonyl)-9,10-dihydroacridine
05/15/2003DE20301234U1 Contactless permanently illuminated keyboard has matrix of light emitting diodes and photodiodes identifying the key touched
05/14/2003EP1311067A1 Integrated series schottky and FET to allow negative drain voltage
05/14/2003EP1310936A1 Energy recovery circuit for driving a capacitive load
05/14/2003EP1310771A1 Pulse signal generator
05/14/2003EP1310045A1 Method and device for overload and short-circuit current protection for a semiconductor power switch
05/14/2003EP1222738B1 Thyristor arrangement with turnoff protection
05/14/2003EP1219029B1 Circuit arrangement for the overvoltage protection of a power transistor for controlling an inductive load
05/14/2003EP1214786A4 A miniature keyboard for a personal digital assistant and an integrated web browsing and data input device
05/14/2003EP0848868B1 Resonant driver circuit with reduced power consumption
05/14/2003CN1417947A Drive voltage generator for reducing the effect of work voltage and temperature
05/14/2003CN1417824A 小型磁感应开关 Small magnetic switch
05/14/2003CN1417763A Energy recovering circuit for driving capacitive load
05/14/2003CN1417562A Multiple-optical axis photoelectronic sensor
05/14/2003CN1108638C Electrostatic spraytron
05/13/2003US6563724 Apparatus and method for turning off BJT used as synchronous rectifier
05/13/2003US6563723 Fault tolerant power supply circuit
05/13/2003US6563447 Non-linear bulk capacitance bootstrapped current switch
05/13/2003US6563376 Mute circuit and digital audio amplifier circuit
05/13/2003US6563372 Device for the control of a translator-type high voltage selector switch
05/13/2003US6563367 Interconnection switch structures
05/13/2003US6563366 High-frequency Circuit
05/13/2003US6563362 Voltage translator circuit
05/13/2003US6563360 System for controlling electrical signal level
05/13/2003US6563353 Circuit to eliminate bus contention at chip power up
05/13/2003US6563351 Semiconductor integrated circuit having output buffer
05/13/2003US6563339 Multiple voltage supply switch
05/08/2003US20030086227 Device for protecting a power component against voltage surges
05/08/2003US20030085785 Compact magnetic induction switch
05/08/2003US20030085750 Semiconductor component for direct gate control and monitoring of power semiconductor switches
05/08/2003US20030085718 Switching device provided with polarity-inverting means
05/08/2003DE20301325U1 Piezoelectric scanner with housing contg. part sagging under pressure
05/08/2003DE10205705C1 Integratable circuit for floating signal transfer has selection circuit connected to secondary winding that separates secondary pulses in accordance with association with input signal edges
05/07/2003EP1309092A1 Pulse signal generator, coil bobbin for the generator, and method of making the coil bobbin
05/07/2003EP1309091A1 Pulse signal generator
05/07/2003EP1309090A1 Pulse signal generator
05/07/2003EP1309089A1 Power switch for controlling point motor drive
05/07/2003EP1309088A1 Switching device equipped with polarity inversion means
05/07/2003EP1309087A1 Overvoltage protection device for a power component
05/07/2003EP1309011A2 Semiconductor component and method of operation
05/07/2003EP1309003A2 Wiring arrangement for surface mounted device
05/07/2003EP1308069A1 Interface circuit and method for dimming a fluorescent lamp
05/07/2003EP1307964A1 Device for rapid short-circuit protection in a power semiconductor
05/07/2003EP1307791A2 Circuit arrangement
05/07/2003EP1057248B1 Impedance angle control method
05/07/2003CN2549647Y Time-delay control circuit for rotary dinning table
05/07/2003CN1416219A Direct current level converter
05/07/2003CN1416218A Inside embedded type remote controlled, hand controlled wall switch and module of monopole electric light with integral and apart wall box
05/07/2003CN1416138A 半导体装置 Semiconductor device
05/07/2003CN1416134A 半导体装置 Semiconductor device
05/06/2003US6559784 Current switching cell for digital to analog converter
05/06/2003US6559707 Bootstrap circuit
05/06/2003US6559703 Bi-directional undershoot-isolating bus switch with directional control
05/06/2003US6559695 Semiconductor circuit
05/06/2003US6559689 Circuit providing a control voltage to a switch and including a capacitor
05/06/2003US6559683 Resurf EDMOS transistor and high-voltage analog multiplexer circuit using the same
05/06/2003US6559681 Resonant logic and the implementation of low power digital integrated circuits
05/06/2003US6559677 Driving circuit for LCD
05/06/2003US6559676 Output buffer circuit
05/06/2003US6559658 Noise resistant electronic presence sensor
05/06/2003US6559653 Three wire interface for field wiring of on/off sensors
05/05/2003CA2410916A1 Device to protect against surges in a power component
05/02/2003EP1306975A1 Low-noise output buffer
05/02/2003EP1306849A2 Devices and methods for controlling active termination resistors in a memory system
05/02/2003EP1305873A2 Switching power converter with gated oscillator control
05/02/2003EP0885415B1 Triac control circuit
05/02/2003EP0487581B1 Switching devices
05/01/2003WO2003036795A1 Rounded keypad
05/01/2003US20030081369 Flexible capacitive strip for use in a non-contact obstacle detection system
05/01/2003US20030080889 Current cell driving circuit in digital-to-analog converter
05/01/2003US20030080812 Circuit configuration for detecting a functional disturbance
05/01/2003US20030080802 Semiconductor integrated circuit device
05/01/2003US20030080800 Integrated analog multiplexer
05/01/2003US20030080796 Signal level shift circuit
05/01/2003US20030080795 Semiconductor device
05/01/2003US20030080787 Semiconductor device
05/01/2003US20030080785 Receiver apparatus and method of propagating a signal
05/01/2003US20030080781 Low-noise output buffer
05/01/2003US20030080780 Output circuit
05/01/2003US20030080757 Proximity sensor
05/01/2003US20030080755 Proximity sensor and object detecting device
05/01/2003US20030080739 Pulse signal generator, coil bovine for the generator, and method of making the coil bovine
05/01/2003US20030080717 Semiconductor device
05/01/2003US20030080702 Pre-drive circuit for brushless DC single-phase motor
05/01/2003US20030080381 Semiconductor component and method of operation
05/01/2003US20030079978 Suspension cord switch
05/01/2003US20030079977 Suspension cord pull switch
05/01/2003US20030079972 Hybrid limit switch
05/01/2003CA2466891A1 Rounded keypad
04/2003
04/30/2003CN1414797A Conversion equipment equipped with polarity reverse device
04/30/2003CN1414704A Improved suspension pull type switch
04/30/2003CN1414703A Method of limiting electronic device loss power and its circuit
04/30/2003CN1414632A Double-usage of integrated circuit tube pin and signal switch over on the pin
04/30/2003CN1414561A 输出电路 Output circuit
04/30/2003CN1107379C 输出缓冲电路 The output buffer circuit
04/29/2003US6556750 Bi-directional optical coupler