Electronic system/terminal for an electronic mail box has a keypad for entering an unlisted/secret number, a display, a reading device and a slot for letters

摘要

An unlisted/secret number is entered via a keypad (1.1), alongside which a display is attached. An amount and other information can be read from the display. Suitable for electronic/credit cards, a reader device (1.3) fits in a slotted opening beneath the keypad. Alongside a display there is a slotted opening for receipts. A letterbox opening (1.5) has an additional device.