Patent ID: 8660519

Claim:
A mobile device comprising: a memory to store a media file that includes a voice print of a voice of a user; a receiver to receive, directly from the user, a phrase spoken by the user; and a processor to: determine that the received phrase matches the voice print of the voice of the user, determine that the received phrase is an activation signal representative of a location request based on the received phrase matching the voice print of the voice of the user, and based on determining that the received signal is the activation signal, cause a location alert to be generated, when causing the location alert to be generated, the processor to: cause the location alert to be generated at a first interval when a battery life of the mobile device is at or above a particular percentage, and cause the location alert to be generated at a second interval when the battery life of the mobile device is below the particular percentage, the second interval being different from the first interval.