Patent · US Expired

SCR Fire sensitivity control and fire control apparatus

US4572968A · kind A · utility

2Cited by
8References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 4, 1983
Grant dateFeb 25, 1986
Priority date
Expiry dateMar 4, 2003

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K17/73
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

An SCR with a fire sensitivity control circuit connected to one of the gates to greatly reduce the sensitivity of the SCR during initial turn-on of a potential source thereacross and fire pulse generating circuitry connected to a second gate of the SCR for firing the SCR at a desired time after the potential source has reached its normal value.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.