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Match Document Document Title
7453115 Dielectric relaxation memory  
A capacitor structure having a dielectric layer disposed between two conductive electrodes, wherein the dielectric layer contains at least one charge trap site corresponding to a specific energy...
7450357 Electrostatic discharge protection circuit and semiconductor structure for electrostatic discharge  
An electrostatic discharge (ESD) protection circuit including a detection circuit for detecting an ESD current and a bypass circuit for bypassing the ESD current is provided. The detection circuit...
7450354 Linear voltage regulator with improved responses to source transients  
A linear voltage regulator has a regulating transistor with a first channel electrode receiving an input voltage source and a second electrode providing an output voltage. A control electrode of...
7443646 Environmentally hardened ethernet switch  
A device for hardening an Ethernet switch is disclosed. The device provides cooling for the switch, and, suppresses electrical transients and electromagnetic interference, which could affect the...
7440248 Semiconductor integrated circuit device  
A semiconductor integrated circuit device includes: a protected circuit protected against electro-static discharge applied from outside the device; an SCR protection circuit having an anode...
7440247 Gate coupling electrostatic discharge protection circuit with redundant structures  
A gate coupling electrostatic discharge protection circuit is disclosed. The protection circuit that is connected an ESD structure with gate coupling to a first level circuit and other ESD...
7436041 Electrostatic discharge protection circuit using a double-triggered silicon controlling rectifier  
An ESD protection circuit using a double-triggered silicon controller rectifier (SCR). The double-triggered silicon controller rectifier (SCR) includes N+ diffusion areas, P+ diffusion areas, a...
7432692 Circuit and method for changing transient response characteristics of a DC/DC converter module  
A circuit for, and method of, changing transient response characteristics of a DC/DC converter module having an output rail pin and a trim pin and a distributed power conversion system...
7430101 Overvoltage protection of a frequency converter  
An overvoltage protection system for the intermediate circuit of frequency converter, said frequency converter being a voltage-controlled PWM-frequency converter comprising an uncontrolled mains...
7428134 Energy pathway arrangements for energy conditioning  
The system of an energy conditioner comprising: a conductive shield structure comprising a first conductive shield layer, a second conductive shield layer, and a third conductive shield layer;...
7423859 System for protecting computer equipment from lightning voltage surges  
An apparatus for protecting electronic equipment from voltage surges includes a network interface coupled to a computer device for connecting the computer device to a computer network and a...
7423852 Apparatus for providing holdover power  
Apparatus defining a circuit module for receiving an operating voltage on an input and for generating a voltage of a lower magnitude that is applied to an intermediate bus. A holdover energy...
7420794 Compact spark gap for surge protection of electrical componentry  
An over-voltage surge protection device includes a circuit board having a signal carrying conductive member with a plurality of nodes positioned therealong, and a conductive member running to...
7420793 Circuit system for protecting thin dielectric devices from ESD induced damages  
A circuit system is disclosed for protecting a capacitor coupled between a voltage supply node and a complementary voltage supply node from an ESD. The circuit system includes at least one NMOS...
7420790 Integrated circuit with protection against electrostatic damage  
An IC having inputs and outputs for a plurality of frequency bands from a high frequency band to a low frequency band is protected from electrostatic damage. A high-frequency section of the IC is...
7420251 Electrostatic discharge protection circuit and driving circuit for an LCD using the same  
An exemplary ESD protection circuit includes first and second sets of transistors and an ESD discharge transistor. Each of the transistors includes a source electrode, a drain electrode, and a gate...
7417842 Apparatus for power conversion in electric rolling stock  
An apparatus for electric power conversion in an electric rolling stock, comprising an inverter which receives a DC power fed from a DC power source at DC terminals, converts the received DC power...
7408757 Low voltage surge protectors with ground shield  
A method and apparatus for protecting a low voltage system, such as an alarm system, is described. The method and apparatus includes power line surge protector and a plurality of low-voltage surge...
7408752 On-chip ESD protection circuit for compound semiconductor heterojunction bipolar transistor RF circuits  
A low loading capacitance on-chip electrostatic discharge (ESD) protection circuit for compound semiconductor power amplifiers is disclosed, which does not degrade the circuit RF performance. Its...
7405915 Protection circuit against electrostatic discharge in semiconductor device  
An electrostatic discharge protection circuit for use in a semiconductor device includes an electrostatic signal discharge unit for discharging an electrostatic signal; a first electrostatic...
7405914 Electrostatic discharge protection circuit  
An electrostatic discharge (ESD) protection circuit for the protection of an electronic circuit from an ESD event. The electronic circuit, in operation, is provided with a supply voltage and a...
7405913 Semiconductor device having transistor with high electro-static discharge capability and high noise capability  
A semiconductor device in includes a transistor and a surge absorption element such as Zener diode, that are formed on the same substrate and connected in parallel. The surge absorption element has...
7403362 Latch-up restistant ESD protection circuit and method thereof  
The present invention is to provide a latch-up resistant electrostatic discharge (ESD) protection circuit and method thereof, which comprises a clamping circuit being able to discharge when...
7403361 Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit  
In a level conversion circuit mounted in an integrated circuit device using a plurality of high- and low-voltage power supplies, the input to the differential inputs are provided. In a level-down...
7400480 Electrostatic discharge protection circuit  
Integrated circuits are provided that have sensitive circuitry such as programmable polysilicon fuses. Electrostatic discharge (ESD) protection circuitry is provided that prevents damage or...
7397645 Power supply transmission cord  
A power supply transmission cord to filter out high frequency noises, ripples and noises between a power supply and the connecting peripheral devices such as a VGA card, HDD, RAM, CDROM, DVD and...
7397643 Protection circuit  
A protection circuit is coupled between a secondary winding of a transformer and a load. When voltage at the secondary winding of the transformer becomes abnormal, the protection circuit...
7394638 System and method for a whole-chip electrostatic discharge protection that is independent of relative supply rail voltages and supply sequencing  
The embodiments of the present invention introduced and taught herein are directed to a whole-chip ESD protection arrangement that is independent of relative supply rail voltage and supply...
7394631 Electrostatic protection circuit  
An electrostatic protection circuit including: a first power supply terminal 110 ; a second power supply terminal 112 ; an input-output terminal 111 for an external connection; a P-type MOSFET...
7394630 Electrostatic discharge protection device for mixed voltage interface  
An electrostatic discharge protection circuit that includes at least two transistors connected in a stacked configuration, a first diffusion region of a first dopant type shared by two adjacent...
7388248 Dielectric relaxation memory  
A capacitor structure having a dielectric layer disposed between two conductive electrodes, wherein the dielectric layer contains at least one charge trap site corresponding to a specific energy...
7385797 Power problem diagnosis  
Apparatus for monitoring transient events in a power supply line the apparatus comprising a transient hold circuit having an input and an output wherein said input is arranged to be connected to...
7385793 Cascode active shunt gate oxide project during electrostatic discharge event  
A method and apparatus to provide electrostatic discharge (ESD) protection to electronic circuits using a gate clamp circuit.
7382593 Method of linearizing ESD capacitance  
An ESD protection circuit for an input/output pad of an IC is disclosed with discharge paths to both a power rail and ground. The ESD circuit is arranged with NMOS and PMOS transistors arranged...
7379283 ESD protection circuit with a low snapback voltage that is protected from fast non-ESD voltage spikes and ripples  
A three-terminal snapback device is utilized with a control circuit to provide a low snapback voltage that is protected from non-ESD voltage spikes and ripples. In response to a fast edge, the...
7372683 Over voltage detection circuit, and power source circuit, power supply system and electronic apparatus using the over voltage detection circuit  
An over voltage detection circuit, which is used in a power source, a power supply system, and an electronic apparatus, includes two voltage comparison circuits. A first comparison circuit,...
7372679 Method and apparatus for RC triggered electrostatic discharge power clamp with hysteresis  
An Electrostatic Discharge (ESD) protection device extends the protection range of an ESD clamp circuit through hysteresis of the associated ESD clamp control circuit. Once the ESD clamp circuit is...
7369388 Spark gap apparatus and method for electrostatic discharge protection  
An apparatus for providing electrostatic discharge protection includes a first conductive trace and a second conductive trace. The first conductive trace defines a first conductive periphery and is...
7369384 Regulator and electronic apparatus therewith  
To reduce the electric power wasted in an overvoltage protection circuit, a regulator IC 100 incorporates an overvoltage protection circuit 105 that stops the output operation of the regulator...
7369379 Methods, circuits, and applications using a resistor and a Schottky diode  
A combination of a current limiting resistor and a clamping Schottky diode prevent substantial forward biasing of a pn junction associated with a pad in a snapback device during normal operation,...
7362595 DC-DC converter  
A DC-DC converter includes a regeneration preventing circuit to bring a synchronous rectifying switching element to an OFF-state when an output of an error amplifier is lower than a lower-limit...
7362555 ESD protection circuit for a mixed-voltage semiconductor device  
An ESD protection circuit is implemented for a semiconductor device having a first circuit system operating with a first power supply voltage and a first complementary power supply voltage, and a...
7362554 Electrostatic discharge (ESD) clamp using output driver  
Electrostatic discharge (ESD) clamp using output driver. An electrostatic discharge (ESD) protection device for an output driver having a p-channel transistor and n-transistor pair connected...
7359169 Circuit for protecting integrated circuits against electrostatic discharges  
A circuit is described that protects an integrated circuit from electrostatic discharges or electrical over-stress. The circuit arrangement has first and second protective elements connected in...
7355832 Methods and arrangements for reducing partial discharges on printed circuit boards  
Methods and arrangements for reducing partial discharges on a printed circuit board are provided. A method of reducing partial discharge in a printed circuit board includes providing a conducting...
7342281 Electrostatic discharge protection circuit using triple welled silicon controlled rectifier  
Provided is an electrostatic discharge (ESD) protection circuit using a silicon controlled rectifier (SCR), which is applied to a semiconductor integrated circuit (IC). A semiconductor substrate...
7339776 Silicon carbide diode voltage limiter  
A voltage excursion control system for limiting transient voltage peaks in electrical circuits otherwise occurring across selected components therein in response to changing conditions in such...
7339772 Hot-swap protection circuit  
Embodiments of the present invention provide methods and circuitry for protecting a circuit during hot-swap events. Hot swap protection circuitry includes as overcurrent detection circuit which...
7339770 Electrostatic discharge protection circuit having a ring oscillator timer circuit  
An electrostatic discharge protection circuit is provided having a first electrically conductive element (such as a current sinking transistor) to couple between a power source and a first node....
7336459 Electrostatic discharge protection device and circuit thereof  
An electrostatic discharge (ESD) protection circuit including a detection circuit for detecting the ESD current and a clamp circuit for bypassing an ESD current between a first pad and a second pad...
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