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Class Information
Number: 327/467
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.) > Dc supply > Four electrodes
Description: Subject matter including a four or more layer device which has four terminals for connection to external circuits.










Patents under this class:

Patent Number Title Of Patent Date Issued
7888986 Method of controlling a rectifying bridge in a diode mode and a circuit for the control Feb. 15, 2011
7612412 Semiconductor device and boost circuit Nov. 3, 2009
4833587 Semiconductor switching circuit May. 23, 1989
4821083 Thyristor drive system Apr. 11, 1989
4774420 SCR-MOS circuit for driving electroluminescent displays Sep. 27, 1988
4719551 Optically controlled power converting apparatus Jan. 12, 1988
4686602 Protective circuit arrangement for protecting semiconductor components Aug. 11, 1987
4528462 Integrated circuit switch using stacked SCRs Jul. 9, 1985
4231054 Thyristor with starting and generating cathode base contacts for use in rectifier circuits Oct. 28, 1980
4186382 Switching network Jan. 29, 1980
4163241 Multiple emitter and normal gate semiconductor switch Jul. 31, 1979
4066915 Memory circuit Jan. 3, 1978
4027230 Electronic multi-channel selection switch with common new-selection sensing device May. 31, 1977











 
 
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