A detachable battery pack with a built-in broadband antenna is disclosed. Since the antenna is wholly contained within the battery housing, it is protected from damage and is detachable from the transceiver when the battery is detached. A transmission line structure formed between the battery and the...http://www.google.es/patents/US4903326?utm_source=gb-gplus-sharePatente US4903326 - Detachable battery pack with a built-in broadband antenna
Detachable battery pack with a built-in broadband antenna
