A compact portable telephone comprises a housing having a main body and an extending sleeve-like portion mounted for longitudinal slidable movement between a retracted position when not in use (see FIG. 2), and an extended position (see FIG. 1) for use. In a preferred arrangement, the earphone is present...http://www.google.es/patents/US5151946?utm_source=gb-gplus-sharePatente US5151946 - Variable configuration portable telephone
