Patent · US Expired

Movable display apparatus

US6288891A · kind A · utility

108Cited by
9References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 18, 1997
Grant dateSep 11, 2001
Priority date
Expiry dateNov 18, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S248/923
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A display apparatus includes a moving unit enclosing a display for displaying information, a base portion having an expandable supporting device for rotatably supporting the moving unit, and a supporting position control unit for controlling the supporting device at an arbitrary position. The supporting device is expanded or contracted synchronously with the rotation of the moving unit. A control unit for controlling the expansion and contraction of the supporting device is also provided. The control unit is a cam, a motor, or a gear.

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