Patent · US Expired

Hinge with two-towed clutch spring for suppressing electromagnetic interference for laptop personal computers

US5173837A · kind A · utility

57Cited by
17References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 1990
Grant dateDec 22, 1992
Priority date
Expiry dateOct 15, 2010

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE05Y2999/00
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A laptop personal computer system according to this invention comprises a base unit including a microcomputer subsystem, a cover unit including a display subsystem, a hinge unit for coupling the cover unit to the base unit, the hinge unit having a clutch spring to control torque from opening or closing the cover unit, and conductive elements cooperatively coupled within the hinge unit for suppressing electromagnetic interference in operations of the microcomputer subsystem.

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