Hand writing input device for cellular phone
US6724375B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2002 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Oct 17, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/02
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A hand writing input device for cellular phone disclosed herein is an input device which digital tablet can be in combined use with a cellular phone. In this device, a digital pen is used to input data such as handwritings or graphic data instead of entering through a key pad of cellular phone, forming an e-mail, a brief message, a document, which may be locally stored or further transmitted to another cellular phone via transmitter station or via internet to overcome the disadvantage and limit of entering data from key pad of cellular phone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.