Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1988-06-17
1989-11-21
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307270, 307264, 307451, 307480, 307 101, 307571, 328 63, 328 72, H03K 1756, H03K 301, H03L 500, H03H 720
Patent
active
048825026
ABSTRACT:
An integrated circuit in which the effective power consumed by the pull-up resistor of a switch for controlling the loads of electrical circuitry of an automobile is reduced by passing the current through the pull-up resistor in synchronization with the duration of the pulse width of an input latching pulse only when the latching pulse is supplied. The integrated circuit thus may be powered by a regulated power supply due to its lower power consumption. Also, a surge arrester circuit is no longer required, thereby making it possible to reduce the size of the integrated circuit. The integrated circuit configured in this manner outputs a signal indicative of the on/off status of the switch without draining the battery due to the excess current which passes through the pull-up resistors in corresponding integrated circuits of the prior art.
REFERENCES:
patent: 4375610 (1983-03-01), Nagaoka et al.
patent: 4438352 (1984-03-01), Mardkha
patent: 4680487 (1987-07-01), Kobayashi
Miller Stanley D.
Phan Trong Quang
Sumitomo Electric Industries Ltd.
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