| 摘要 |
<p>A customer interface device for interfacing with a customer at a store may include a touch screen for displaying information and receiving customer instructions, a keypad, a wireless sensor for scanning tags attached to merchandise of the store, and at least one user input component to accept customer payment for items to be purchased, wherein the touch screen, the keypad, the wireless sensor and the at least one user input component are detachable modular components.</p> |
