Modem card configured to compensate for power supply

Details Modem card configured to compensate for power supply Modem card configured to compensate for power supply

2011-01-25

2011-01-25

Lugo, David B (Department: 2611)

Pulse or digital communications

Transceivers

Modems

C455S127100, C455S558000, C455S572000

Reexamination Certificate

active

07876814

ABSTRACT:
A modem card includes a connector configured to be detachably connected to a computer. The card also includes electronics configured to be powered by a power supply located in the computer and to transmit wireless signals to a communications network at a transmit power. The electronics are configured to vary the transmit power such that the transmit power does not exceed a maximum transmit power. Increases in the transmit power cause a drop in the voltage of the power. The electronics are also configured to determine an adjusted maximum transmit power. The adjusted maximum transmit power is a transmit power at which the signals can be transmitted to the communications system without the voltage dropping below a shut-down voltage. The electronics are also configured to reduce the value of the maximum transmit power to a value that that is less than or equal to the value for the adjusted maximum transmit power.

REFERENCES:
patent: 5634132 (1997-05-01), Pearce et al.
patent: 6169884 (2001-01-01), Funk
patent: 6985757 (2006-01-01), Liu et al.
patent: 7106569 (2006-09-01), Liu et al.
patent: 7278033 (2007-10-01), Mylly
patent: 2004/0204181 (2004-10-01), Cromer et al.
patent: WO 2006/011555 (2006-02-01), None

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