Hand set for mobile telephone/cordless telephone has further functional unit in battery cassette connected to base unit electronics when cassette and base unit joined

摘要

The hand set has a base unit (13) with a housing contg. functional units such as earphone and speech capsules (27,28), an antenna (29), a keyboard (30) and electronics (31) and a replaceable battery or accumulator cassette (15) that can be electrically and mechanically combined with the base unit. A further functional unit (37) in the cassette is connected to the electronics in the base unit when the cassette and base unit are joined.