Selective radio call receiver capable of receiving common data in emergency mode
US6559753B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 6, 1999 |
| Grant date | May 6, 2003 |
| Priority date | — |
| Expiry date | Aug 6, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W68/00
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In a method of notifying messages in a radio selective call receiver, a call which includes an identifier and a message is received. In a normal mode, arrival of the call is notified and the message of the call is displayed as a normal mode message, when the identifier of the call is same as that allocated to the receiver as a self identifier. An operation mode is automatically switched from the normal mode into an emergency mode when the identifier of the call is a common identifier and the message is a first predetermined message. In the emergency mode, arrival of the call is notified and the message of the call is displayed as an individual emergency message, when the identifier of the call is same as the self identifier. Also, in the emergency mode, arrival of the call is notified and the message of the call is displayed as a common emergency message, when the identifier of the call is same as the common identifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.