Patent ID: 6956492

Claim:
A display sign comprising; a flat panel loudspeaker including at least one transducer such that the flat panel loudspeaker is energizable to transmit sound in accordance with signals supplied to the at least one transducer, a panel including graphics carried on one exposed surface thereof, in which said graphics include graphical input indications as to where to touch the panel; a number of proximity switches located behind said graphical input indications such that each switch is operable by a user placing a finger in proximity of the switch; and a solid state energization and control system which energizes the at least one transducer, said solid state energization and control system including: a memory arrangement, a digital signal processor/controller through which compressed audio signals from said memory arrangement are arranged to be supplied to the at least one transducer in order to energize the latter, and a remote control receiver whereby the solid state energization and control system is adapted to be reprogrammed remotely without the need for any physical alteration or adjustment of the display sign.