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Class Information
Number: 257/157
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Regenerative type switching device (e.g., scr, comfet, thyristor) > With integrated trigger signal amplification means (e.g., amplified gate, "pilot thyristor", etc.)
Description: Subject matter wherein the regenerative switching device has means to amplify the control current of the device, which is physically integrated with the regenerative switching device.


Sub-classes under this class:

Class Number Class Name Patents
257/158 Three or more amplification stages 21
257/159 Transistor as amplifier 23
257/161 With a turn-off diode 28
257/160 With distributed amplified current 53


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7453104 Operational amplifier including low DC gain wideband feed forward circuit and high DC gain narrowband gain circuit Nov. 18, 2008
7385230 Modulation doped thyristor and complementary transistor combination for a monolithic optoelectronic integrated circuit Jun. 10, 2008
7339203 Thyristor and method of manufacture Mar. 4, 2008
7312482 Semiconductor device, power amplifier device and PC card Dec. 25, 2007
7276778 Semiconductor system functioning as thyristor in on-state, and as bipolar transistor in transient state or with overcurrent Oct. 2, 2007
7259407 Isolated HF-control SCR switch Aug. 21, 2007
7193250 Light-emitting element having PNPN-structure and light-emitting element array Mar. 20, 2007
7145185 Voltage-controlled bidirectional switch Dec. 5, 2006
6963088 Semiconductor component Nov. 8, 2005
6593600 Responsive bidirectional static switch Jul. 15, 2003
6501099 Modified-anode gate turn-off thyristor Dec. 31, 2002
6169292 Thin film type monolithic semiconductor device Jan. 2, 2001
6124639 Flat interface for a metal-silicon contact barrier film Sep. 26, 2000
6066864 Thyristor with integrated dU/dt protection May. 23, 2000
6043516 Semiconductor component with scattering centers within a lateral resistor region Mar. 28, 2000
5998812 Amplifying-gate thyristor with an increased hold current Dec. 7, 1999
5861639 Breakover-triggered dipole component having a controlled sensitivity Jan. 19, 1999
5751022 Thyristor May. 12, 1998
5739555 Amplifying-gate thyristor with an increased hold current Apr. 14, 1998
5696391 Overload protection circuit Dec. 9, 1997
5682044 Reverse conducting thyristor with a planar-gate, buried-gate, or recessed-gate structure Oct. 28, 1997
5365086 Thyristors having a common cathode Nov. 15, 1994
5003369 Thyristor of overvoltage self-protection type Mar. 26, 1991
4994884 Gate-controlled bi-directional semiconductor switching device Feb. 19, 1991
4956690 Zero crossing type thyristor Sep. 11, 1990
4914496 Gate turn-off thyristor with independent turn-on/off controlling transistors Apr. 3, 1990
4908687 Controlled turn-on thyristor Mar. 13, 1990
4825270 Gate turn-off thyristor Apr. 25, 1989
4760431 Gate turn-off thyristor with independent turn-on/off controlling transistors Jul. 26, 1988
4673844 Starter circuit for a fluorescent tube lamp Jun. 16, 1987
4574296 Gate turn-off thyristor with a cathode base layer having four distinct impurity concentrations Mar. 4, 1986
4559551 Semiconductor device Dec. 17, 1985
4555845 Temperature stable self-protected thyristor and method of producing Dec. 3, 1985
4502071 FET Controlled thyristor Feb. 26, 1985
4502072 FET Controlled thyristor Feb. 26, 1985
4500901 Thyristor having n.sup.+ - main and auxiliary emitters and a p.sup.+ ring forming a p.sup.+ n.sup.+ junction with the main emitter Feb. 19, 1985
4471372 FET Controlled Triac Sep. 11, 1984
4281336 Thyristor element with short turn-off time and method for producing such element Jul. 28, 1981
4223332 Thyristor having an anode transverse field emitter Sep. 16, 1980
4207583 Multiple gated light fired thyristor with non-critical light pipe coupling Jun. 10, 1980
4187517 Semiconductor component Feb. 5, 1980
4176371 Thyristor fired by overvoltage Nov. 27, 1979
4170020 Gate turn-off thyristor for reducing the on current thereof Oct. 2, 1979
4165517 Self-protection against breakover turn-on failure in thyristors through selective base lifetime control Aug. 21, 1979
4110638 Configuration for reducing the turn-off time of a thyristor Aug. 29, 1978
4097887 Low resistance, durable gate contact pad for thyristors Jun. 27, 1978
4096623 Thyristor and method of producing the same Jun. 27, 1978
4092703 Gate controlled semiconductor device May. 30, 1978
4087834 Self-protecting semiconductor device May. 2, 1978
4060825 High speed high power two terminal solid state switch fired by dV/dt Nov. 29, 1977

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