Dual-radio communication apparatus, and an operating method...

Details Dual-radio communication apparatus, and an operating method... Dual-radio communication apparatus, and an operating method...

2005-12-13

2005-12-13

Patel, Jay K. (Department: 2637)

Pulse or digital communications

Spread spectrum

Frequency hopping

C455S551000, C455S552100

Reexamination Certificate

active

06975667

ABSTRACT:
A dual-radio communication apparatus has a first radio device, such as a Bluetooth radio, for use in a first frequency band, and a second radio device, such as a Globalstar satellite radio, for use in a second frequency band, which is proximate to the first frequency band. The communication apparatus also has a controller coupled to the first and second radio devices. The first radio device may comprise a frequency-hopping spread-spectrum transmitter. Moreover, the first radio device has a first operating mode employing a first frequency range. The first radio device also has a second operating mode employing a second frequency range, which is smaller than the first frequency range. The controller is adapted to set the first radio device in its second operating mode, when the second radio device is in operation, and otherwise set the first radio device in its first operating mode.

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International-Type Search Report prepared by the ISA/SE in connection with SE 0001821-8 as filed on May 18, 2000. (English).

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