| 摘要 |
The electronic organizer contains first signal producing control circuits, second emission control circuits producing acoustic signals corresponding to the first signals. The organizer also includes a third radio receiver circuit together with means for sharing the acoustic emission circuits so that they can process the first signals and the radio receiver signals. The radio receiver circuits are contained in a removable battery case which can be attached to the organizer. The organizer has headphones with or without a microphone and or loudspeaker connected by a cable via a connector to the radio receiver circuits. |
