Electronics Circuits And Components - National Semiconductor
These patents relate to different types of circuits or components used in integrated circuits, microelectronic circuits, processors or computers.
All of these patents have been asserted in one lawsuit. US 5,239,440 relates to protection circuits used to â€œshuntâ€ electrostatic discharge away from functioning circuitry so as to not disrupt the operation of the functioning circuitry. US 5,473,283 relates to charge pump circuits, and in particular, to charge pump circuits using metal oxide semiconductor field effect transistors (MOSFETs). US 5,646,563 relates to charge pumps which supply closely matched up and down current pulses. US 5,170,470 relates to modems that enable data to be transferred between computers by means of telephone lines or other communication links.
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See the claims contained in the downloadable copies of the patents.