| 摘要 |
A transaction recording apparatus for use in for example in-flight duty free sales and other transactions on an aircraft is disclosed. The apparatus comprises a keyboard and a credit type card reader for inputting sales information and further comprises a main processor for analysing the inputted information. A printer is provided for printing inter alia sales receipts, sales summaries and stock order lists. A removable memory module is also provided and includes a memory in which information is stored and a rechargeable battery which provides power to the memory and to the recorder upon insertion therein. The module also includes a supervising and monitoring circuit for supervising the transfer of data between the memory and the main processor and for monitoring the power output from the battery.
|
