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Class Information
Number: 327/438
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Gating (i.e., switching input to output) > Utilizing three or more electrode solid-state device > Four or more layer device (e.g., thyristor, etc.)
Description: Subject matter including a semiconductor device with four or more alternating layers of p-type and n-type material, (e.g., pnpn, etc.)
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7352233 |
Efficient thyristor-type power switches |
Apr. 1, 2008 |
| 7259407 |
Isolated HF-control SCR switch |
Aug. 21, 2007 |
| 6952297 |
Method of differentially connecting photonic devices |
Oct. 4, 2005 |
| RE38734 |
Semiconductor switching apparatus and method of controlling a semiconductor switching element |
May. 17, 2005 |
| 6710639 |
Emitter turn-off thyristors and their drive circuits |
Mar. 23, 2004 |
| 6624684 |
Compact high voltage solid state switch |
Sep. 23, 2003 |
| 6462605 |
Low-jitter high-power thyristor array pulse driver and generator |
Oct. 8, 2002 |
| 6426666 |
Diode-assisted gate turn-off thyristor |
Jul. 30, 2002 |
| 6417719 |
Apparatus and method for isolating a trigger circuit of a silicon-controlled rectifier |
Jul. 9, 2002 |
| 6339231 |
Gate commutated turn-off thyristor module |
Jan. 15, 2002 |
| 6323718 |
Normally-on bidirectional switch |
Nov. 27, 2001 |
| 6268754 |
Gate driving circuit for power semiconductor switch |
Jul. 31, 2001 |
| 6218881 |
Semiconductor integrated circuit device |
Apr. 17, 2001 |
| 6188267 |
Normally conducting dual thyristor |
Feb. 13, 2001 |
| 6163200 |
Gate driver device for GTO thyristor |
Dec. 19, 2000 |
| 6160439 |
Current feed control circuit and electronic appliance using the same |
Dec. 12, 2000 |
| 6054891 |
Solid state relay |
Apr. 25, 2000 |
| 6046614 |
Drive circuit having a power recovery system |
Apr. 4, 2000 |
| 6028471 |
Switching device with parallel switch |
Feb. 22, 2000 |
| 5986290 |
Silicon controlled rectifier with reduced substrate current |
Nov. 16, 1999 |
| 5892391 |
TRIAC/SCR proportional control circuit |
Apr. 6, 1999 |
| 5883500 |
Three-state monolithic static switch |
Mar. 16, 1999 |
| 5852381 |
Turbine engine ignition exciter circuit including low voltage lockout control |
Dec. 22, 1998 |
| 5850160 |
Gate drive circuit for an SCR |
Dec. 15, 1998 |
| 5777506 |
Semiconductor switching apparatus and method of controlling a semiconductor switching element |
Jul. 7, 1998 |
| 5760498 |
Power drawing circuit for two-wire switching unit |
Jun. 2, 1998 |
| 5734289 |
Circuit arrangement for controlling a triac |
Mar. 31, 1998 |
| 5723997 |
Interface circuit of an electronic flash unit |
Mar. 3, 1998 |
| 5699008 |
Thyristor controllable by logic signals |
Dec. 16, 1997 |
| 5654661 |
Drive circuit for SCR device |
Aug. 5, 1997 |
| 5629571 |
Thyristor load detector |
May. 13, 1997 |
| 5614771 |
Extended high voltage SCR switch |
Mar. 25, 1997 |
| 5596292 |
A.C. switch triggered at a predetermined half-period |
Jan. 21, 1997 |
| 5592118 |
Ignition exciter circuit with thyristors having high di/dt and high voltage blockage |
Jan. 7, 1997 |
| 5585758 |
Current source gate drive circuit for simultaneous firing of thyristors |
Dec. 17, 1996 |
| 5561393 |
Control device of semiconductor power device |
Oct. 1, 1996 |
| 5534735 |
Photo SI thyristor driving circuit and its protection circuit |
Jul. 9, 1996 |
| 5532638 |
Superconducting energy storage apparatus |
Jul. 2, 1996 |
| 5528180 |
Steerable pulse phase controller |
Jun. 18, 1996 |
| 5515231 |
Thyristor valve arrester and DC power transmission thyristor valve using the same |
May. 7, 1996 |
| 5504451 |
Gated thyristor and process for its simultaneous fabrication with high- and low-voltage semiconductor devices, integrated circuit containing the same, systems and methods. |
Apr. 2, 1996 |
| 5477556 |
High power laser diode driver utilizing a monolithic semiconductor device with a thyristor-like structured switch |
Dec. 19, 1995 |
| 5467049 |
Solid-state switch |
Nov. 14, 1995 |
| 5463344 |
Fast turn on switch circuit with parallel MOS controlled thyristor and silicon controlled rectifier |
Oct. 31, 1995 |
| 5457416 |
Electrooptic Q-switching drive circuit for Porro prism laser resonator |
Oct. 10, 1995 |
| 5457419 |
MOSFET with temperature protection |
Oct. 10, 1995 |
| 5391951 |
Integrated circuit having an adjusting component and an adjustable thyristor |
Feb. 21, 1995 |
| 5369308 |
Power transistor switching circuit with controlled turn-off |
Nov. 29, 1994 |
| 5343100 |
Thyristor ignition circuit |
Aug. 30, 1994 |
| 5331234 |
Solid state switch |
Jul. 19, 1994 |
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