Wireless communication device
US6208876A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1998 |
| Grant date | Mar 27, 2001 |
| Priority date | — |
| Expiry date | Nov 19, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/724095
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention relates to a wireless communication device (1) comprising at least: PA1 a basic unit (2) with at least one keypad or keyboard (6) for using the wireless communication device (1) and controller for locking the keypad (6) of the basic unit, whereby when the keypad (6) of the basic unit is locked, its operation in connection with the wireless communication device (1) is at least partly prevented, PA1 an auxiliary unit (3) with at least one keypad or keyboard (15), and PA1 link module (11, 17, 58) for connecting the auxiliary unit (3) in a functional connection with the basic unit (2). The wireless communication device (1) comprises further link module and controller (11, 16) for locking the keypad (15) of at least one auxiliary unit arranged in a functional connection with the basic unit (2) simultaneously with locking the keypad (6) of the basic unit, wherein when the keypad (15) of the auxiliary unit is locked, its operation is at least partly prevented. The invention relates also to a method for implementing a keyguard in a wireless communication device (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.