| 摘要 |
An audio label comprising a circuit board substrate with a sound-generating microchip and a photovoltaic cell both attached to the substrate such that the m icrochip is electrically connected to the photovoltaic cell so that power is provided to the sound-generating microchip. A sound reproduction unit is also attached to the su bstrate and is connected to the sound-generating microchip so that the microchip communicates s ignals to the sound reproduction unit which are then converted by the sound reproductio n unit to audible sounds. A system for audio label operation is also disclosed. The sys tem includes a separate transmitter which transmits electromagnetic waves, such as l ight, infrared or radio waves to one or more audio labels which have electromagnetic w ave receiving circuit elements, such as phototransistors disposed thereon. The trans mitter thus sends wave signals to each label each of which then converts the wave signa ls to electric signals which each sound reproduction unit then converts to audible sou nds.
|
