Method for waking a device in response to wireless network...

Details Method for waking a device in response to wireless network... Method for waking a device in response to wireless network...

2007-07-24

2007-07-24

Swarthout, Brent A. (Department: 2612)

Communications: electrical

Systems

C340S870030, C340S870030, C702S188000, C709S227000, C710S046000, C710S048000, C710S260000, C713S310000, C713S324000

Reexamination Certificate

active

11155387

ABSTRACT:
A method and a system for data transmission between a first electronic device and a second electronic device, wherein the second electronic device is in a sleep mode. Transmission of data between the first electronic device and the second electronic device occurs while a microprocessor in the second device is in sleep mode and the wireless transceiver is in a wake mode. The first electronic device transmits data signals and the second electronic device detects the transmitted signal. A base band processor in the second electronic device optionally determines if the signal is from a known source. If the first electronic device is a known electronic device, an interrupt signal is generated to wake up the microprocessor in the second electronic device. The wakened microprocessor opens a communication port and disables the wake-up interrupt. In yet another embodiment of the present invention, the data receive line is directly coupled to a line that triggers an interrupt when a signal is detected. The received message is then stored in memory for subsequent use.

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patent: 6289464 (2001-09-01), Wecker et al.
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patent: 6671660 (2003-12-01), Freed
patent: 6681244 (2004-01-01), Cross et al.
patent: 6728892 (2004-04-01), Silvkoff et al.

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