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Study ID
218
Category
Manufacturing & Engineering
Research Type
Validity
Closed Date
2009-01-29
Rewards Available
$50,000
These patents relate to different types of circuits or components used in integrated circuits, microelectronic circuits, processors or computers.
Computer Hardware Computer Science Computer Engineering Electrical Engineering Electronics Technology Engineering Physics Physics Semiconductor Technology Software Engineering

Description

All of these patents have been asserted in one lawsuit. US 5,239,440 relates to protection circuits used to “shunt” 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.

Study Patents

CPC Class: H01L
CPC Class: H03L
CPC Class: H03L
CPC Class: G06F

Research Requirements

Latest Date for Responses
2069-12-31
Relevant Patent Dates:
US Patent Date
Priority Date
US Application Date
Priority Date
EP Date
Publication Date
Other Patent Authorities
Publication Date

No Research Requirements

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