| 摘要 |
<p>The method involves determining an actual stock of a mobile sales unit by a radio frequency identification (RFID) reading unit and a computer. The determined stocks are stored, and changes of the stocks are determined by temporal comparison of subsequent stocks. Stock data are forwarded to a control center by global system for mobile communication (GSM)or Bluetooth. The sales unit is selaingly transferred, and receipts are electronically detected during delivery of goods. An independent claim is also included for a device for detecting change of a stock of a mobile sales unit.</p> |
