Patent ID: 8315675

Claim:
A mobile device configured to control power consumption, the mobile device comprising: a speaker to deliver a sound from the mobile device; a microphone to receive at least a voice communication at the mobile device; a display screen to present data to a user of the mobile device; a power supply to receive power from a power source; a transmitter to send transmitted data; a receiver to receive incoming data, wherein the mobile device includes operational modes comprising a first sleep mode, a second sleep mode, a third sleep mode, an idle mode, a calling mode, and an in-call mode; a controller configured to receive an input or detect a condition and to responsively perform operations including: when the mobile device is operative in the idle mode, transition the mobile device from the idle mode to the first sleep mode in response to receiving the input or detecting the condition, when the mobile device is operative in the calling mode, transition the mobile device from the calling mode to the second sleep mode in response to receiving the input or detecting the condition, or when the mobile device is operative in the in-call mode, transition the mobile device from the in-call mode to the third sleep mode in response to receiving the input or detecting the condition, wherein the mobile device in the first sleep mode is configured to consume less power than the idle mode, the mobile device in the second sleep mode is configured to consume less power than the calling mode, the mobile device in the third sleep mode is configured to consume less power than the in-call mode, and the mobile device in the third sleep mode is configured to consume more power than in the first or second sleep modes.