Patent · US Expired

Hand writing input device for cellular phone

US6724375B2 · kind B2 · utility

5Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 25, 2002
Grant dateApr 20, 2004
Priority date
Expiry dateOct 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.