US 7,119,661 B2Granted

Combined tire pressure monitoring and keyless entry receiver

AssigneeSiemens VDO Automotive Corporation

InventorsTejas B. Desai, Jean-Christophe Deniau, Melvin Leblanc, Steve O'Connor, Kurt Van Drus, Patricia Abi-Nader

Life of this patent

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Abstract

A system for monitoring conditions within a tire (12) including a sensor assembly (14) including a pressure sensor (36), an accelerometer (34), a temperature sensor (32), and a transmitter (40) to transmit signals indicative of current tire conditions. A remote transmitter (22) for actuating a remote keyless entry system (19) emits a signal to actuate a function of the keyless entry system (19) such as unlocking doors (20) of the motor vehicle (10). A receiver assembly (16) includes an amplitude shift keyed receiver (52) and a frequency shift keyed receiver (58) selectively engagable to receive radio frequency transmissions from the tire monitoring system or the remote keyless entry system (19).

Claims12

Dependent claims

A system for monitoring conditions within a tire comprising:

a sensor assembly disposed within each tire of a motor vehicle,
a transmitter in communication with said sensor assembly to transmit a frequency shift keyed transmission indicative of current tire conditions;
a remote transmitter for actuating a remote keyless entry system, said remote transmitter emitting an amplitude shift keyed transmission to actuate a function of said keyless entry system;
a receiver assembly for receiving said frequency shift keyed transmission signal indicative of said current tire conditions and said amplitude shift keyed transmission signal to actuate a function from said remote transmitter, wherein said transmission indicative of current tire conditions includes an amplitude shift keyed wake-up signal for alerting said receiver assembly of an incoming frequency shift keyed transmission signal.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 11/035,317Filed 13 Jan 2005 · continuation
Priority: 20 Feb 2001
Published: US 2005/0134428 A123 Jun 2005
Granted: 10 Oct 2006
Term ends: Not estimatedThe source records don’t support an estimate.

Classification15 codes

G07C 9/00182
Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers…:…
B60C 23/0416
Automatically identifying wheel mounted units, e.g. after replacement or exchange of wheels: allocating a corresponding wheel position on vehicle,…
B60C 23/0433
Characterised by the type of signal transmission means: radio signals
B60C 23/0464
Transmission control of wireless signals: to avoid signal interference

Family

Application60/269,959Us provisional application · filed 20 Feb 2001
Application60/276,210Us provisional application · filed 15 Mar 2001
Application60/276,325Us provisional application · filed 16 Mar 2001
Application60/290,923Us provisional application · filed 15 May 2001
Application60/298,258Us provisional application · filed 14 Jun 2001
Application60/352,489Us provisional application · filed 23 Jan 2002
Application10/079,665Parent of this continuation · filed 20 Feb 2002
US 2005/0134428 A1Pre-grant publication · published 23 Jun 2005
US 6,885,282 B2Parent of this continuation
US 2002/0149477 A1Published application
US 7,119,661 B2This patent

From the US filing history. Foreign family members aren’t listed.