US Patent 7358925 Highly-integrated headset

A wireless communication device includes a coupling apparatus, an antenna, an elongated printed circuit board, a battery, a speaker, and a microphone. The coupling apparatus is configured to acoustically couple the wireless communication device to a user's ear. The antenna is configured to transmit and receive communication signals. The elongated printed circuit board includes radio circuits and a ground plane for the antenna. The battery is configured to power the radio circuits. The speaker and the microphone are connected to the printed circuit board. The antenna includes a monopole antenna printed as a meandering trace on the printed circuit board. The ground plane forms a first part of the printed circuit board and the meandered trace forms a second part of the printed circuit board. The battery is mounted on the printed circuit board.