Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
11/1997
11/19/1997EP0808026A1 Fail-safe timer circuit and on-delay circuit using the same
11/19/1997EP0808025A2 Load actuation circuit
11/19/1997EP0808024A2 Electrical load driving device including load current limiting circuitry
11/19/1997EP0808023A1 Current bit cell and switched current network formed of such cells
11/19/1997EP0807333A1 Low voltage logic circuit
11/19/1997EP0807301A1 Multiplexer circuit
11/19/1997EP0699322B1 Control module for reducing ringing in digital signals on a transmission line
11/19/1997CN2268344Y Ac. electronic touch multi-control switch
11/19/1997CN1165603A Supply voltage swiching apparatus
11/19/1997CN1165435A Output buffer circuit
11/18/1997US5689818 Mobile terminal device for telecommunications, including a switch circuit
11/18/1997US5689421 Vehicle safety system
11/18/1997US5689396 Signal input unit for semiconductor memory device
11/18/1997US5689394 Gate voltage modulation for transistor fault conditions
11/18/1997US5689257 Skewless differential switch and DAC employing the same
11/18/1997US5689208 For a gate controlled mos power semiconductor device
11/18/1997US5689199 Comparator with hysteresis in bipolar technology
11/18/1997US5689197 BIMOS-type current switch apparatus
11/18/1997US5689144 Four-terminal power MOSFET switch having reduced threshold voltage and on-resistance
11/13/1997WO1997042708A1 Expandable keyboard with interleaving sections
11/13/1997DE19619120A1 Power FET switching and short circuit recognition module
11/12/1997EP0806827A1 Reverse battery protection circuit
11/12/1997EP0806084A1 Circuit for switching the actuator outputs off in an asi system in the event of data communication failure
11/12/1997EP0806083A1 Mos circuit for switching high voltages on a semiconductor chip
11/12/1997CN2267600Y Infrared electronic remote control switch for lighting
11/12/1997CN1164939A Bridge power converter
11/12/1997CN1164775A Apparatus for switching channels within multi-channel read/write preamplifier circuit
11/11/1997US5687260 Optical fiber switch using four gate directional coupler and control pulse
11/11/1997US5687107 Exclusive-OR gate, an inverted type selector, and adders
11/11/1997US5687067 For supplying a switching signal to a semiconductor power switch
11/11/1997US5687065 Pre-regulator with light switch to limit voltage ringing on turn-off
11/11/1997US5686894 Two terminal I.C. magnetic-field detector for use in a liquid level sensor and having an anti-slosh feature
11/11/1997US5686859 Semiconductor switch including a pre-driver with a capacitively isolated power supply
11/11/1997US5686857 Zero-crossing triac and method
11/11/1997US5686856 Multiplexer of logic variables
11/11/1997US5686854 Isolated driver circuit for high frequency solid-state switches
11/11/1997US5686853 Driver circuitry adjusted to allow high speed driving and reduce potential variations of interconnections
11/11/1997US5686848 Power-up/power-down reset circuit for low voltage interval
11/11/1997US5686847 Reduced sensitivity power-on reset circuitry
11/11/1997US5686752 Semiconductor device having a CMOS element as a buffer
11/11/1997CA2106325C Gate power supply circuit
11/06/1997WO1997041458A1 Displacement-current sensor and method for determining three-dimensional position, orientation and mass distribution
11/05/1997EP0805556A1 Power on reset circuit with auto turn off
11/05/1997EP0805555A2 Inductive load driving method and h-bridge circuit control device
11/05/1997EP0805554A1 Circuit for the controlled recycle without oscillation of a discharge current from an inductive load
11/05/1997EP0804830A1 A clocked high voltage switch
11/05/1997EP0804744A1 Process of non-contact distance sensing
11/05/1997EP0722629A4 Field effect transistor with switchable body to source connection
11/05/1997CN2266841Y Multiplex infrared remote-controlling switch
11/05/1997CN2266809Y Power combined socket with sequence control multiplex output
11/05/1997CN1164145A Method for turn-on regulation of IGBT and apparatus for carrying out the same
11/04/1997US5684738 Analog semiconductor memory device having multiple-valued comparators and floating-gate transistor
11/04/1997US5684687 Driver circuit for inverter
11/04/1997US5684681 Drive circiut of switching element for switching mode power supply device
11/04/1997US5684666 Electrostatic spraying device
11/04/1997US5684465 Method and means for supervision of valve units
11/04/1997US5684427 Bipolar driver circuit including primary and pre-driver transistors
11/04/1997US5684426 GTO gate driver circuits for snubbered and zero voltage soft switching converters
11/04/1997US5684425 Analog switch for low supply voltage MOS integrated circuits
11/04/1997US5684390 Active semiconductor device with matched reference component maintained in breakdown mode
11/04/1997US5684366 Lamp protection device
11/04/1997US5684294 Proximity and ambient light monitor
10/1997
10/30/1997WO1997040578A1 Static relay with condition detecting
10/30/1997DE19715911A1 Asymmetric resistance circuit for overload current disposal
10/30/1997DE19711326A1 IGBT circuit with current limiting circuit
10/30/1997DE19708465A1 Switch apparatus with thyristor
10/30/1997DE19701899A1 Capacitance or capacitance variation detection circuit
10/30/1997DE19616443A1 Push=pull end stage device for analogue and digital circuit e.g. AND=gate
10/29/1997EP0803148A1 Circuit for switching high voltages on a semiconductor chip, and method of operating the circuit
10/29/1997CN2266231Y Sound controlled switching device for household electric appliances
10/29/1997CN2266230Y Time memory transducer
10/29/1997CN1163664A Voltage detecting circuit, power on/off resetting circuit and semiconductor device
10/29/1997CN1163512A Touching switch
10/28/1997US5682259 Bus powered manually actuatable integrated pilot light/contact/communications module
10/28/1997US5682111 Integrated circuit with power monitor
10/28/1997US5682054 Rectifying transfer gate device
10/28/1997US5682050 Bidirectional current blocking MOSFET for battery disconnect switching including protection against reverse connected battery charger
10/28/1997CA2098026C Control device for thyristor converter
10/28/1997CA2071405C Fault detection apparatus for a transformer isolated transistor drive circuit for a power device
10/23/1997WO1997039528A1 Six-input multiplexer with two gate levels and three memory cells
10/23/1997WO1997039517A1 Switch mode power supply
10/23/1997DE19618664A1 Electric switchgear for retaining inductive proximity switch
10/23/1997DE19615051A1 Opto-electric approach sensor has light emitting sender and a receiver
10/22/1997EP0802632A2 Auto-reset circuit with improved testability
10/22/1997EP0802631A2 Auto-reset circuit with improved testability
10/22/1997EP0802630A2 Auto-reset circuit with improved testability
10/22/1997EP0802500A2 Padless touch sensor
10/22/1997EP0801846A1 A high-speed/high-slew-rate tri-modal all bipolar buffer/switch and method thereof
10/22/1997EP0801845A1 Low power high speed cmos current switching circuit
10/22/1997EP0801844A2 Two-transistor zero-power electrically-alterable non-volatile latch
10/22/1997EP0635174B1 Power driver circuit
10/22/1997EP0588846B1 A multipurpose optical intelligent key board apparatus
10/22/1997CN2265634Y Explosion-proof insulator
10/22/1997CN2265628Y Small type explosion-insulated contactless reversible starter for mine use
10/22/1997CN1162846A Output driver for mixed supply voltage systems
10/22/1997CN1162496A Lighted inflatable device with long battery life
10/22/1997CA2203050A1 Solid state ac switch with self-synchronizing means for stealing operating power
10/21/1997US5680593 Data processor having precise timer output
10/21/1997US5680268 Apparatus for magnetic recording and playback having a recording/playback coil split by a center tap and supplying an unbalanced write current
10/21/1997US5680103 Metal detection system