Patent · US Expired

Accumulator for portable computers

US5039928A · kind A · utility

33Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 1989
Grant dateAug 13, 1991
Priority date
Expiry dateDec 11, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S136/291
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A portable electric appliance is provided with a solar energy accumulator. The accumulator is integrally mounted on the electric appliance when the appliance is desired to operate or be transported. When the portable electric appliance is not used, the accumulator is removed from the appliance and moved to a bright place.

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