Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1993-01-19
1996-01-02
Cunningham, Terry
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
327392, 327398, 377 31, H02J 100
Patent
active
054812224
ABSTRACT:
A power conserving integrated circuit is disclosed. The integrated circuit is coupled to its external power supply only in response to an external event. An initial power connection is made in response to the external event. An element on the integrated circuit detects the initial power connection. After detecting the initial power connection, a switch internal to the integrated circuit is closed so as to couple the power supply to the integrated circuit for a predetermined period of time sufficient for a function to be executed by the integrated circuit. Afterwards, the connection is terminated and is not re-initiated until another external event. Therefore, power is consumed only when necessary, thereby preserving the power source.
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Cunningham Terry
National Semiconductor Corporation
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