Patent · US Expired

Tamper proof safety circuit

US6049145A · kind A · utility

1,160Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 7, 1997
Grant dateApr 11, 2000
Priority date
Expiry dateJul 7, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electronic device (100) includes electrical circuitry (130), a housing (105) in which the electronic circuitry (130) is situated, a cover (110) for enclosing the electrical circuitry (130) within the housing (105), and a tamper proof safety circuit (120) coupled to the electrical circuitry (130) for rendering the electronic device (100) inoperable when the housing (105) and cover (110) are disassembled.

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