Computer provided with display of indifferent equilibrium
US6639788B1 · kind B1 · utility
40Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1999 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Aug 17, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16M2200/042
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A computer provided with a display of indifferent equilibrium. The computer includes a mainframe, a display and a constant-force spring. The display movably is supported by the mainframe. The constant-force spring is simultaneously connected to the mainframe and the display, while the weight of the display is equal to the restoring force of the constant-force spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.