Gating (i.e., switching input to output) > Utilizing three or more electrode solid-state device > Four or more layer device (e.g., thyristor, etc.) > Complex wave supply > Silicon controlled rectifier (scr) > Triac > Patents

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Class Information
Number: 327/446
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.) > Complex wave supply > Silicon controlled rectifier (scr) > Triac
Description: Subject matter including a bidirectional rectifier (essentially two SCRs in parallel) that functions as an electronically controlled switch for AC loads and having an npnpn structure that can be triggered into either forward or reverse conduction (i.e., transmits AC power across its anode-cathode) by a pulse applied to its gate electrode.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6291909	Solid state relay	Sep. 18, 2001
6091166	DC solid state relay	Jul. 18, 2000
5760498	Power drawing circuit for two-wire switching unit	Jun. 2, 1998
5734289	Circuit arrangement for controlling a triac	Mar. 31, 1998
5574319	Switching devices	Nov. 12, 1996
4369377	Current control device	Jan. 18, 1983
4031528	Transmitting over power lines	Jun. 21, 1977
4011927	Long time period astable multivibrator circuit with independently adjustable time constants	Mar. 15, 1977