Patent ID: 7558607

Claim:
Mobile electronic device, comprising: a radio receiver, an amplifier, and an audio connector for connecting to an audio reproduction component, said audio connector providing an antenna function through a connected audio reproduction component, wherein said audio connector comprises at least one first contact and at least one second contact, wherein said first contact is connected to ground and to an antenna input of said radio receiver, and said second contact is connected to said amplifier, wherein a band-pass filter component is interconnected between the first contact and said radio receiver, wherein the connection via the band-pass filter component is configured to allow a radio signal to propagate from the first contact to said antenna input of said radio receiver, if the radio signal has a frequency lying within one of the frequency ranges of 535 kHz to 1.7 MHz, 3 MHz to 30 MHz or 70 MHz to 140 MHz, and wherein said audio connector comprises at least one third contact connected to a component of said electronic device and said third contact is connected to control components of said mobile electronic device, to provide a remote control functionality for the mobile electronic device.