| 摘要 |
PROBLEM TO BE SOLVED: To automatically update data collection devices employing one-way communication paths.SOLUTION: A central connectivity point 310 is connected to each of at least one data collection device, which is each connected to a corresponding data terminal via a first communication channel 340, via a wireless secondary communication channel 350 so as to communicate with the at least one data collection device without disrupting communication between the at least data collection device and the corresponding data terminal via the first communication channel and to permit remote administration of each data collection device.SELECTED DRAWING: Figure 3 |
