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Class Information
Number: 327/582
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Specific identifiable device, circuit, or system > Utilizing a three or more electrode solid-state device > Four or more layer device (e.g., silicon-controlled rectifier, etc.)
Description: Subject matter including a semiconductor device with four or more alternating layers having different conductivities, for example a pnpn device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7512177 |
Method and apparatus for generating random jitter |
Mar. 31, 2009 |
| RE38734 |
Semiconductor switching apparatus and method of controlling a semiconductor switching element |
May. 17, 2005 |
| 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 |
| 5576557 |
Complementary LVTSCR ESD protection circuit for sub-micron CMOS integrated circuits |
Nov. 19, 1996 |
| 5561393 |
Control device of semiconductor power device |
Oct. 1, 1996 |
| 5546038 |
SCR inductor transient clamp |
Aug. 13, 1996 |
| 5504449 |
Power driver circuit |
Apr. 2, 1996 |
| 5361009 |
Thyristor controller |
Nov. 1, 1994 |
| 4977438 |
Turn-off semiconductor component and use thereof |
Dec. 11, 1990 |
| 4945393 |
Floating gate memory circuit and apparatus |
Jul. 31, 1990 |
| 4897706 |
Thyristor protected against breakover firing |
Jan. 30, 1990 |
| 4792767 |
Phase and frequency detector and use of this detector in a phase-lock loop |
Dec. 20, 1988 |
| 4743950 |
Thyristor with switchable emitter short circuit |
May. 10, 1988 |
| 4686452 |
Reference-voltage source for replicating a terminal voltage of a saturated transistor |
Aug. 11, 1987 |
| 4678932 |
Snubber circuit for GTO thyristor |
Jul. 7, 1987 |
| 4659979 |
High voltage current source circuit and method |
Apr. 21, 1987 |
| 4626703 |
Thyristor with connectible current sources and method for operating same |
Dec. 2, 1986 |
| 4612449 |
Thyristor having a secondary emitter electrode and a method for operating the same |
Sep. 16, 1986 |
| 4612561 |
Parallel-connected gate turn-off thyristors |
Sep. 16, 1986 |
| 4599633 |
Integrated self-firing amplified thyristor structure for on/off switching of high currents and control circuit thereof |
Jul. 8, 1986 |
| 4529998 |
Amplified gate thyristor with non-latching amplified control transistors across base layers |
Jul. 16, 1985 |
| 4509089 |
Two-pole overcurrent protection device |
Apr. 2, 1985 |
| 4486768 |
Amplified gate turn-off thyristor |
Dec. 4, 1984 |
| 4482911 |
Monolithic integrated circuit equivalent to a transistor associated with three antisaturation diodes |
Nov. 13, 1984 |
| 4464673 |
Semiconductor component |
Aug. 7, 1984 |
| 4419683 |
Thyristor having a controllable emitter short circuit |
Dec. 6, 1983 |
| 4398205 |
Gate turn-off device with high turn-off gain |
Aug. 9, 1983 |
| 4393337 |
Switching circuit |
Jul. 12, 1983 |
| 4392069 |
Semiconductor switch |
Jul. 5, 1983 |
| 4386283 |
Process for the cutting-off of a thyristor |
May. 31, 1983 |
| 4355322 |
Integrated gate turn-off device having a vertical power transistor forming a regenerative loop with a lateral transistor |
Oct. 19, 1982 |
| 4338617 |
Four terminal GTO thyristor with transistor controlled turn-off |
Jul. 6, 1982 |
| 4320735 |
High-frequency continuous-wave ignition system |
Mar. 23, 1982 |
| 4315274 |
Thyristor with switchable capacitor between auxiliary thyristor cathode and main thyristor gate regions |
Feb. 9, 1982 |
| 4239985 |
Trigger circuit for a thyristor |
Dec. 16, 1980 |
| 4232234 |
Semiconductor switch circuit |
Nov. 4, 1980 |
| 4223331 |
Thyristor with two control terminals and control device |
Sep. 16, 1980 |
| 4217618 |
Thyristor firing circuit module with integral optical isolation, dv/dt limitation, and bidirectional voltage transient suppression |
Aug. 12, 1980 |
| 4212024 |
Solid-state switching circuit employing photon coupling suitable for construction in form of integrated circuit |
Jul. 8, 1980 |
| 4190853 |
Multilayer semiconductor switching devices |
Feb. 26, 1980 |
| 4181975 |
Digital delay line apparatus |
Jan. 1, 1980 |
| 4163241 |
Multiple emitter and normal gate semiconductor switch |
Jul. 31, 1979 |
| 4109632 |
GTO Ignition circuit |
Aug. 29, 1978 |
| 4107551 |
Thyristor turn-off system |
Aug. 15, 1978 |
| 4081821 |
Bistable semiconductor component for high frequencies having four zones of alternating opposed types of conductivity |
Mar. 28, 1978 |
| 4080538 |
Method of controlling switching of PNPN semiconductor switching device |
Mar. 21, 1978 |
| 4058741 |
Semiconductor switch circuit |
Nov. 15, 1977 |
| 4050083 |
Integrated thermally sensitive power switching semiconductor device, including a thermally self-protected version |
Sep. 20, 1977 |
| 4039863 |
Light activated semiconductor switch device |
Aug. 2, 1977 |
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