Twist-type mobile terminal and hinge device thereof
US7512428B2 · kind B2 · utility
11Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2004 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Mar 9, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2999/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A twist-type mobile terminal includes a lower housing portion having a key pad; an upper housing portion having a display unit; and a hinge device for twist-rotating the upper housing portion while the lower housing portion and upper housing portion are folded and unfolded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.