Portable terminal device and wireless communication terminal device
US7035665B2 · kind B2 · utility
132Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2001 |
| Grant date | Apr 25, 2006 |
| Priority date | — |
| Expiry date | Sep 12, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/16
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A portable terminal device of the invention has a first casing that has a first display part and a second casing that has a key operation part. The first casing and the second casing are constructed in such a form as to be rotatable around a hinge portion, which has a second display part. In a state where the terminal device is open, the first display part is visually recognizable by the user, and in a state where the terminal device is closed, the second display part is visually recognizable by the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.