Wireless user interface extension

Details Wireless user interface extension Wireless user interface extension

2002-06-26

2008-10-14

Eng, George (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S569200, C455S575900, C455S090300, C340S426130, C340S005610

Reexamination Certificate

active

07437183

ABSTRACT:
A car hands-free unit (HFU140) with a Low-Power Radio-Frequency (LPRF) module141(typically a Bluetooth module) configured to receive an identifier134from a car key133. Different drivers are provided with different car keys133. When receiving the identifier134first time, the HFU stores trusted data to pair with a driver's phone. Thereafter, the HFU automatically connects to the driver's phone when the same car key133is used. The hands-free unit typically comprises a microphone and a loudspeaker, and can also have a display and/or a camera. In operation the HFU provides automatic link160with a compliant LPRF enabled mobile phone without need to touch the mobile phone, allowing its use even when the mobile phone is placed in a boot of a car101.

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Haartsen, J., “Bluetooth—The Universal Radio Interface for ad hoc, Wireless Connectivity”, Ericsson Review No. 3, Stockholm, Sweden, 1998, pp. 110-117.

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