| 摘要 |
<p>Presented and claimed is a portable device for communication, in particular a mobile telephone, in which emergency operation with transmitting and receiving is possible even with empty rechargeable battery. For this purpose, in addition to a main rechargeable battery (14), which is provided and designed for normal operation and is charged by a separate charging device at a power outlet, the device (10) has an emergency rechargeable battery (16), which is charged by an integrated electromechanical generator (22). This generator, which supplies electricity during movement of the device, is an unbalance rotation generator (22), known per se, or a linear generator. During emergency operation, the main battery (14) is not connected to the electronics (12) of the device, and the limited functions of the device necessary for the emergency operation are supplied with current by the emergency rechargeable battery (16). In addition, a switch (32), able to be actuated from outside or automatically, is built in. The device according to the invention proves valuable especially in situations where an emergency call must be enabled by all means and where an interactive operation is necessary.</p> |
