Matches 351 - 400 out of 1646 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
6606230 Chip-type surge absorber and method for producing the same  
A chip-type surge absorber and method for producing same, wherein the chip-type surge absorber includes an insulating substrate in the shape of a rectangular parallelepiped; an insulating hermetic...
6600642 Method and apparatus for lightning suppression in a telecommunication printed circuit board  
A method for lightning protection in a printed circuit board includes providing a printed circuit board having a plurality of conductors for connecting to a plurality of telecommunications lines,...
6597554 Overvoltage protector of a burn-in board  
An overvoltage protector of a burn-in board. The overvoltage protector has a fuse, a first capacitor, a gate controlling switch, a resistor and a second capacitor. The overvoltage protector uses...
6594132 Stacked silicon controlled rectifiers for ESD protection  
An exemplary embodiment of the invention eliminates the common P-Well in a stacked SCR structure by providing isolated P-Wells. This embodiment is particularly advantageous in electrostatic...
6587322 Swapped drain structures for electrostatic discharge protection  
A method and apparatus for manufacturing an electrostatic discharge protection device. A first gate structure for the electrostatic device is formed. A first lightly doped drain and a second...
6580595 PREDETERMINED SYMMETRICALLY BALANCED AMALGAM WITH COMPLEMENTARY PAIRED PORTIONS COMPRISING SHIELDING ELECTRODES AND SHIELDED ELECTRODES AND OTHER PREDETERMINED ELEMENT PORTIONS FOR SYMMETRICALLY BALANCED AND COMPLEMENTARY ENERGY PORTION CONDITIONING  
A predetermined amalgamation of electrodes formed or manufactured at least in part, by predetermined, sequential manufacturing operations into a balanced and shielding electrode structure. The...
6580594 Device for the protection of interconnection lines in an integrated circuit  
The protection device for an interconnection line of an integrated circuit includes a charge flow-off device connected between the interconnection line to be protected and the substrate of the...
6580592 Semiconductor device  
A semiconductor device having an input circuit for effectively preventing breakdown caused by an electrostatic surge is provided. A first NMOS transistor is connected between an input terminal and...
6580591 Switched electrostatic discharge ring for integrated circuits with multiple power inputs  
An electrostatic discharge (ESD) switch circuit for an integrated circuit (IC) with multiple power inputs for improving pin-to-power isolation of the IC. The IC includes a plurality of positive...
6577905 Apparatus and method for providing a transient port  
An apparatus and method for providing a transient connection port are provided. Further, an apparatus and method for switching between a permanent connection port and a transient connection port...
6577515 Asymmetric power supply including a fast response converter  
An asymmetric multi-converter power supply including a first converter and a second converter coupled to provide power to an output node. A control circuit is coupled to the second converter and is...
6577480 Adjustable trigger voltage circuit for sub-micrometer silicon IC ESD protection  
An electrostatic protection (ESD) circuit for an integrated circuit (IC) includes a string of a plurality of diodes connected between a Vss line and a Vdd line. A first PMOS transistor and a first...
6576959 Device and method of low voltage SCR protection for high voltage failsafe ESD applications  
A semiconductor circuit for multi-voltage operation having built-in electrostatic discharge (ESD) protection is described, comprising a drain extended nMOS transistor and a pnpn silicon controlled...
6574652 Intrinsically safe communication and control system for use in hazardous locations including monotoring device with intrinsically safe fluorescent tube backlit  
An intrinsically safe data acquisition system is disclosed for use in hazardous locations. The system includes a driller's console that itself is intrinsically safe and includes a large LCD...
6567254 Methods and systems for reducing clamp voltages in surge protection circuitry  
Arrangements for a surge protection device reduce the effects of mutual inductance and therefore, the overall inductance in electrical connections between suppression components in the device....
6563926 Resetting surge protection in telephone line interface circuits  
A surge reset circuit used to automatically reset a surge protection circuit within a telephone line interface circuit. A sensor (e.g., a zenering device) advantageously generates a voltage level...
6560494 Electronics for a shock hardened data recorder  
Electronics for a shock-hardened device, in particular a data recorder, incorporating non-volatile memory. The device has the functional elements: a signal conditioning circuit, an oscillator, an...
6560086 Transient voltage surge suppressor  
A transient voltage surge suppressor is provided to protect equipment with voltage sensitive electronics, such as office equipment, from surges or transients in the multi-phase power distribution...
6560081 Electrostatic discharge (ESD) protection circuit  
An ESD protection circuit that can be easily configured to provide ESD event protection against a range of ESD event voltages. The circuit is also compatible with high frequency ICs. The ESD...
6560080 Low-voltage triggered ESD protection circuit  
The present invention provides an electrostatic discharge (ESD) protection circuit. The ESD protection circuit comprises a semiconductor-controlled-rectifier (SCR) and a non-volatile memory. The...
6559703 Bi-directional undershoot-isolating bus switch with directional control  
A bus switch is protected from undershoots on either of its terminals. The bus switch transistor is an n-channel metal-oxide-semiconductor (MOS) with its source connected to a first bus and its...
6556410 Universal surge protector for notebook computers  
A surge protector for portable personal computers, or notebooks, of the shunting type, employs two differently rated metal oxide varistors in a manner enabling operation with several differently...
6556409 Integrated circuit including ESD circuits for a multi-chip module and a method therefor  
An integrated circuit that includes I/O circuitry that may or may not be protected from ESD damage. The protection from ESD damage may be selectively deactivated or activated or may not be present...
6556408 Compensation circuit for leakage through electrostatic discharge protection devices  
A mixed-signal integrated circuit ( 12 ) having compensation for leakage through an ESD cell ( 16 ) at an external terminal of a reference voltage is disclosed. A reference voltage generator...
6556398 Voltage tolerance ESD protection circuit  
The present invention provides an ESD protection circuit for preventing an internal circuit from being damaged by ESD, wherein the internal circuit is connected to a pad. The ESD protection circuit...
6552583 ESD-protection device with active R-C coupling to gate of large output transistor  
Large output driver transistors are used to shunt electro-static-discharge (ESD) pulses. ESD pulses are capacitivly coupled to the gates of the large driver transistors by R-C networks. The...
6549389 Electrode arrangement for circuit energy conditioning  
A differential mode and common mode filtering arrangement ( 1—1, 1-2, 1-3 A, 1-6 ) having a plurality of shielded electrodes ( 213, 215 ) and a plurality of shielding electrodes ( 204, 214, 269...
6549388 Electrical service apparatus with surge suppression protection  
An electrical service apparatus housing carries a plurality of line and load blade terminals and jaw contacts. Surge suppression elements are carried on a circuit board mountable within the housing...
6542346 High-voltage tolerance input buffer and ESD protection circuit  
A high-voltage tolerance input buffer and a high-voltage ESD protection circuit connected to a pad of an integrated circuit for preventing rapid gate oxide aging. The high-voltage tolerance input...
6538868 Electrostatic discharge protective circuit  
An electrostatic discharge protective circuit can receive a pre-stage driver output and involve a first PMOS transistor, a first NMOS transistor and a second NMOS transistor and all connect in...
6538866 Circuit for protecting a load from an overvoltage  
A circuit for protecting a load from an overvoltage can be integrated together with the load on the same chip by an MOS transistor manufacture process. This overvoltage protecting circuit is...
6535369 Adaptive surge suppressor  
A surge suppressor circuit with imminent failure detection and self-maintenance capability. The circuit includes at least two surge suppressor elements. The first suppressor element is initially...
6529361 Gas-filled discharge path  
Gas-filled discharge paths such as voltage surge protectors and spark gaps can have a low ignition delay in dark spaces when a special activating compound is used. To simplify the manufacture of...
6522512 Anti-latch-up circuit  
An anti-latch-up circuit for a signal-reception device has a voltage source activated separately from a signal-transmission device. A diode connected between the voltage source and the...
6522511 High speed electrostatic discharge protection circuit  
An electrostatic discharge (ESD) protection circuit for use in an integrated circuit includes a transistor, an inverter, and an ESD detector. The transistor is coupled to clamp a non-power supply...
6521951 Semiconductor circuit device with improved surge resistance  
Inter power supply surge voltage transmitting diode element is formed by a buried layer formed in a semiconductor substrate, a well region formed on the buried layer with its bottom portion being...
RE37982 Method for preventing electrostatic discharge failure in an integrated circuit package  
An integrated circuit package includes a semiconductor chip, bonding pads on the semiconductor chip, a metal lead frame containing electrically with the semiconductor chip, a plurality of wired...
6518815 Power device with protection against undesirable self-activation  
A MOS-type power device having a drain terminal, a source terminal, and a gate terminal; and a protection circuit having a first conduction terminal connected to the gate terminal, via a diffused...
6515839 Electronic discharge protection system for mixed voltage application specific circuit design  
An ESD protection system that makes use of several different types of over-voltage protection devices provides ESD conduction paths between different power lines. For example, the system may employ...
6512663 Electrostatic protection device and electrostatic protection circuit  
In an electrostatic protection device, a parasitic bipolar transistor has a base region. A trigger device is arranged adjacent to the parasitic bipolar transistor and injects charges generated by...
6510034 Spark gap device having multiple nodes  
The present invention provides an over-voltage surge protection device comprising a printed circuit board having a signal carrying conductive member having a plurality of nodes positioned...
6510033 RC-timer circuit to reduce current leakage in future semiconductor processes  
A resistive capacitive timer scheme is described. Specifically, the invention includes a circuit to compensate for a leakage current through a capacitor in the resistive capacitive timer.
6510032 Integrated overcurrent and overvoltage apparatus for use in the protection of telecommunication circuits  
The present invention provides an integrated overvoltage and overcurrent circuit protection device for use in telecommunication circuits. The integrated protected circuit device combines an...
6507471 ESD protection devices  
A circuit arrangement provides a way of protecting a differential pair of bipolar transistors by diverting the current into an n-channel MOSFET which is driven into conduction during an ESD event...
6501632 Apparatus for providing high performance electrostatic discharge protection  
Apparatus for providing electrostatic discharge protection having an nMOS transistor with bias simultaneously applied to the gate and the p-well of the nMOS transistor. A bias circuit is fabricated...
6498710 Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package  
The present invention relates to a passive electronic component architecture employed in conjunction with various dielectric and combinations of dielectric materials to provide one or more...
6496343 Overvoltage protection apparatus for a matrix converter  
An overvoltage protection apparatus for a matrix converter has nine bidirectional power switches which are arranged in a 3×3 switch matrix. The overvoltage protection apparatus has three varistors...
6493199 Vertical zener-triggered SCR structure for ESD protection in integrated circuits  
A silicon controlled rectifier (SCR) serving as an electrostatic discharge (ESD) protection device having a vertical zener junction for triggering breakdown. The SCR includes a p-doped substrate...
6493198 Electrostatic discharge protection device for a high density printed circuit board  
An electrostatic discharge protection device for a high-density printed circuit board consists of a layered structure starting at the bottom layer with a ground conductor. A dielectric layer covers...
6492859 Adjustable electrostatic discharge protection clamp  
In an ESD protection circuit for an analog bipolar circuit, the avalanche breakdown voltage of a reverse-coupled NPN BJT acting as an avalanche diode is adjusted to comply with breakdown voltage...
Matches 351 - 400 out of 1646 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >