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Class Information
Number: 327/464
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.) > Ac supply > Having plural four or more layer devices
Description: Subject matter wherein more than one four or more layer device is connected along the AC power supply path.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6867635 |
Expandable multiport transfer switch |
Mar. 15, 2005 |
| 5614771 |
Extended high voltage SCR switch |
Mar. 25, 1997 |
| 4801828 |
Multiphase solid-state contactor |
Jan. 31, 1989 |
| 4717841 |
Static power switch apparatus |
Jan. 5, 1988 |
| 4370567 |
Semiconductor switch device suitable for A.C. power control |
Jan. 25, 1983 |
| 4239985 |
Trigger circuit for a thyristor |
Dec. 16, 1980 |
| 4220910 |
Raising-pressure delay type electromagnetic pumps |
Sep. 2, 1980 |
| 4151427 |
High-voltage zero-crossing detector |
Apr. 24, 1979 |
| 4130767 |
Semiconductor switch |
Dec. 19, 1978 |
| 4117393 |
Electronic monitoring system with low energy consumption in quiescent state |
Sep. 26, 1978 |
| 4058741 |
Semiconductor switch circuit |
Nov. 15, 1977 |
| 4039864 |
Semiconductor bidirectional switch circuit |
Aug. 2, 1977 |
| 4023051 |
Rectifier switch with series-connected thyristors |
May. 10, 1977 |
| 4006367 |
Solid state alternating current switching device |
Feb. 1, 1977 |
| 3971969 |
Electrically operated stapling device |
Jul. 27, 1976 |
| 3959668 |
Semiconductor bidirectional switch circuit |
May. 25, 1976 |
| 3940634 |
Solid state AC power relay |
Feb. 24, 1976 |
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