Miscellaneous active electrical nonlinear devices – circuits – and – Gating – Parallel controlled paths
Reexamination Certificate
2007-07-17
2007-07-17
Le, Dinh T. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Gating
Parallel controlled paths
C327S411000
Reexamination Certificate
active
11231527
ABSTRACT:
A switching circuit (20) comprising first and second switch terminals (2,3) and a switch (21). The switch (21) comprises a first bipolar transistor (22), having a collector connected to the first switch terminal (2) and an emitter connected to the second switch terminal (3), and a second bipolar transistor (23), having an emitter connected to the first switch terminal (2) and a collector connected to the second switch terminal (3). The switch (21) can be turned on by supply of a control current to the base of either the first or the second bipolar transistor.
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Dodd Alan James
Jenkins Joseph Andrew
Sullivan Anthony Philip
Foley & Lardner LLP
Le Dinh T.
Zetex PLC
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