Mobile phone battery pack and battery cover with earphone-microphone earpiece jack

Abstract

A battery pack and battery cover for use with a mobile communication device such as a mobile phone having battery contactors and speaker and microphone signal leads but without an earphone-microphone plug. The battery pack and battery cover permit a user to use an existing mobile phone and the like without a plug for a earphone and microphone headset to be used with an external earphone and microphone. The battery pack include a casing, a battery contained in the case, battery contacts accessible from the case, an earphone-microphone interface, and speaker and microphone signal lead contactors connected to the earphone-microphone interface. The battery cover includes a cover portion adapted to fit over a battery on a mobile communication device, an earphone-microphone port provided in the cover portion, and speaker and microphone signal lead contactors connected to the earphone-microphone interface. The earphone-microphone interface can be an earphone-microphone plug or a wireless transceiver adapted for communication with an earphone-microphone headset.

Dependencies are inferred from the claim text.