Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Particular stable state circuit
Patent
1998-02-01
2000-05-09
Lam, Tuan T.
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Particular stable state circuit
327221, H03K 33568
Patent
active
060609265
ABSTRACT:
The present invention relates to a pulse conditioning circuit including a first switch terminal having a first leg connected to a DC power source and a second leg. A second switch terminal is also provided having a first leg connected to an electrical ground and a second leg electrically connected to the second leg of the first switch. Pulses resulting from switch closures at the switch terminals are provided at the node where the second legs of both switch terminals are coupled. This node is preferably coupled to a low-pass filter, which is further coupled to a latch circuit providing a conditioned pulse output. The latch circuit is adapted to provide a first logic state output when the input of the latch is provided with a high logic state and a second logic state output when the input of the latch is provided with a low logic state. The high logic state input is provided when a switch connected to the first switch terminal is closed. Likewise, the low logic state input is provided when a switch associated with the second switch terminal is closed.
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patent: 5886541 (1999-03-01), Asato
American Meter Company
Lam Tuan T.
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