Abstract: Apparatus comprising a portable electronic appliance and a data input appliance which is adapted to deliver information to the portable electronic appliance via the recharging interface for recharging the batteries of the portable electronic appliance.

Abstract: Portable radiotelephone including a central processing unit, a transmit and receive radio circuit connected to at least one antenna, a microphone emerging upwards when the radiotelephone is worn by means of a necklace, a speaker and a keypad that includes at least one multifunction key.

Abstract: The invention relates to a local radio communication system comprising a central controller (9), several bases (7) which are connected to the controller and several terminals (5) which communicate with the bases. The bases (7) communicate with the terminals using a local radio communication protocol with time division multiple access. Said bases are adapted to real-time transmit chronological information to the controller releasing to the transmissions planned for said bases. The controller is adapted to determine if there is a risk of interferences occurring between the planned transmissions and to impose a chronology for said planned transmissions on the bases in order to limit said interferences.

Abstract: Radio paging receiver comprising a central unit associated with a memory containing a tree-structured database comprising a plurality of menu pages and text pages, each menu page including at least an entry capable of being selected to display on the screen another menu page or a text page. Each entry of each menu page comprises a data field capable of being displayed and a call code corresponding to another menu page or text page. Moreover, the central unit is designed for updating the stored menu pages on the basis of radio messages comprising a menu page identification code and at least one entry designed to appear in the menu page presenting said identification code.