Patent · US Expired

Mobile cellular telephone comprising a GPS receiver

US6501420B2 · kind B2 · utility

36Cited by

7References

3Claims

0Family size

Assignee

KONINKLIJKE PHILIPS ELECTRONICS NV · NL

Inventors

Stephen Townsend · Horley, GB
Iwo-Martin Mergler · Paignton, GB

Key dates

Filing date	Feb 9, 2001
Grant date	Dec 31, 2002
Priority date	—
Expiry date	Feb 9, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH04W76/50
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A mobile cellular telephone (100) is disclosed comprising a communications transmitter (103) and receiver (102) arranged for two-way communication with a base station (BS), and a GPS receiver (105, 106) arranged to power up in response to direct interaction between a user and the mobile phone (100) after the telephone has been switched on.In particular, the GPS receiver (105, 106) may be arranged to power up in response to the user making a call to the emergency services. Recognition by the telephone of an emergency call being made may occur when the user enters the emergency call telephone number, or one or more, but not all of the digits of the emergency call telephone number.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.