Patents
Sitemap › H03 - Basic electronic circuitry › H03K - Pulse technique › H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
09/1990
09/19/1990CN2062539U Automatic lamp turn-off device
09/19/1990CN2062538U Multi-purpose desk lamp for curing weak sight
09/19/1990CN2062526U Electronic timed calling device
09/19/1990CN2062525U Wireless remote switch for household electric appliance
09/19/1990CN2062498U Optical controlled lamp
09/19/1990CN1009694B Thyristor valve
09/18/1990US4958121 Protection of power converters from voltage spikes
09/18/1990US4958105 Row driver for EL panels and the like with inductance coupling
09/17/1990CA2011828A1 Broadband switch matrix with non-linear cascading
09/17/1990CA2011827A1 Broadband switching matrix for delay equalization and elimination of inversion
09/15/1990CA2012110A1 Electronic switch comprising a photosensitive semiconductor
09/13/1990DE3907285A1 Device for remotely controlling installation devices
09/13/1990DE3744873C2 Fail-safe error-protected load circuit
09/12/1990EP0386933A2 Audio amplifier with phase modulated pulse width modulation
09/12/1990EP0386114A1 A low power high voltage driver circuit
09/12/1990CN2062136U Xfe-1 microwave remote trigger switch and light intensity regulator thereof
09/12/1990CN2062135U Micro-contactless switch
09/12/1990CN2062134U Silicon control ac switch
09/12/1990CN2062119U Power supply automatic controller for tv shared antenna
09/11/1990USRE33331 Multiplexer circuitry for high density analog signals
09/11/1990US4956691 NMOS driver circuit for CMOS circuitry
09/11/1990US4956690 Zero crossing type thyristor
09/11/1990US4956599 Power control apparatus
09/11/1990US4956570 Pilot circuit with integrated circuit with preset firing delay for MOS power transistors
09/11/1990US4956565 Transistor arrangement
09/07/1990WO1990010290A1 Circuit arrangement for reversing a magnetic field
09/05/1990EP0385581A1 Voltage protection system
09/05/1990EP0385482A2 Input switching device used in a logic mos integrated circuit
09/05/1990EP0385470A2 Semiconductor laser driving circuit
09/05/1990EP0385021A2 JFET analog switch with gate current control
09/05/1990EP0384937A1 Protection circuit for a power MOSFET
09/05/1990CN2061757U Time-delay start and automatic shut off unit for x-ary apparatus
09/05/1990CN2061745U Touch switch for mains frequency power supply
09/05/1990CN2061744U Electricity-economizing switch
09/05/1990CN1009515B Semi-conductor integrated circuits/systems
09/04/1990US4954917 Power transistor drive circuit with improved short circuit protection
09/04/1990US4954823 Touch keyboard systems
09/04/1990US4954771 Stimulus generator
09/04/1990US4954766 Power supply circuit and semiconductor integrated circuit device using it
09/04/1990US4954752 Row driver for EL panels and the like with transformer coupling
09/04/1990US4954729 Output buffer circuit used for stable voltage source
09/04/1990US4954728 Stabilized generator for supplying a threshold voltage to a MOS transistor
08/1990
08/30/1990DE4005808A1 Solid state relay circuit with protection against voltage transients
08/30/1990DE3905657A1 Flexible supporting film
08/29/1990EP0384900A2 Overheating protection triggering circuit having a narrow range of variation of the threshold
08/29/1990EP0384863A1 High-speed TTL-compatible output circuit
08/29/1990EP0384513A1 Circuit for regulating the base current of a semiconductor power device
08/29/1990EP0384353A2 Reflective-type photoelectric sensor
08/29/1990EP0383997A2 Self-referencing capacitive key cell structure and switchcore matrices formed therefrom
08/29/1990EP0268580B1 Magnetic field-dependent, inductive proximity switch
08/29/1990EP0219504B1 Circuit arrangement for generating high voltage pulses
08/29/1990CN2061356U Electricity-saving switch
08/28/1990US4953155 Current summed optoelectronic crossbar switch
08/28/1990US4953070 Method for transverse-current-free operation of a push-pull circuit, and apparatus for performing the method
08/28/1990US4952827 Circuit arrangement for controlling the load current in a power MOSFET
08/28/1990US4952825 Semiconductor integrated circuit having signal level conversion circuit
08/28/1990US4952822 Integrated logic circuit with instability damping
08/28/1990US4952819 Circuit for limiting current peaks at turn-on of a switching transistor
08/28/1990US4952818 Transmission line driver circuits
08/28/1990US4952800 Photoelectric switch with heating responsive to temperature and light
08/28/1990US4952028 Method for driving an optoelectronic switching device
08/28/1990US4951787 Elevator control and indicator device
08/28/1990CA1273412A1 Pulse modulator
08/23/1990WO1990005918A3 Universal output circuit
08/23/1990DE3905645A1 Driving method for improving the overcurrent breaking performance of semiconductor circuit breakers with MOS control input
08/23/1990DE3905163A1 DC semiconductor switch
08/22/1990EP0383512A1 Touch switch and/or electrical indicator devices
08/22/1990EP0383289A1 Integrated push-pull output stage
08/22/1990EP0382906A2 Protected darlington transistor arrangement
08/22/1990CN2060959U Self-protecting drivers for transistor switches
08/22/1990CN1044880A Circuit and method for discharging dc filter capacitors
08/21/1990US4951188 Final stage of a bridge circuit
08/21/1990US4951036 Touchpad jogger
08/21/1990US4950930 Bridge base control circuit with controlled blocking even in the avalanche mode
08/21/1990US4950929 Reducing resistive effects of an electrical switch
08/21/1990US4950925 Semiconductor logic circuit
08/21/1990US4950924 High speed noise immune bipolar logic family
08/21/1990US4950922 Electrical switch
08/21/1990US4950919 MOS-transistor bridge circuit
08/21/1990US4950918 Isolated control circuit for alternating current switches
08/21/1990CA1273063A1 Adjustable impedance driver network
08/21/1990CA1273057A1 Thyristor firing system
08/16/1990EP0382124A2 Output buffer with ground bounce control
08/16/1990EP0381849A1 Fast power semiconductor circuit
08/16/1990EP0296930B1 Power-on reset circuit for integrated circuit in mos-technology
08/16/1990DE4003977A1 DC circuit with two supply input terminals - has output delivering either current drain or source signal, and control with signal terminal
08/15/1990CN2060612U Supper low energy consumption illumination controller
08/15/1990CN2060607U D.c. electronic potentiometer
08/14/1990US4949213 Drive circuit for use with voltage-drive semiconductor device
08/14/1990US4949212 Circuit configuration for protecting an integrated circuit
08/14/1990US4949211 Protective, bi-level drive for FET's
08/14/1990US4949171 Commutation grid
08/14/1990US4949086 Broadband signal switching equipment
08/14/1990US4949030 Isolated analog voltage sense circuit
08/14/1990US4948995 Disenabling circuit for power-on event
08/14/1990US4948994 Semiconductor circuit for driving the base of a bipolar transistor
08/14/1990US4948990 BiCMOS inverter circuit
08/09/1990WO1990009050A1 Power supply system
08/09/1990DE3928499A1 Rectifier suitable for LV high frequency current - uses MOSFET with comparator control input to control direction of current flow
08/08/1990EP0381241A2 High speed output circuit suitable for wired-or structure
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