초록 ▼

A point of sale terminal includes a computer, a keyboard, and a key-controlled prompting display for eliminating a need for the attendant to memorize sales information. The keyboard has a set of first item keys each of which corresponds to a different first item. The prompting display lists a large

A point of sale terminal includes a computer, a keyboard, and a key-controlled prompting display for eliminating a need for the attendant to memorize sales information. The keyboard has a set of first item keys each of which corresponds to a different first item. The prompting display lists a large number of second items. The keyboard includes a set of category-representing keys each of which corresponds to a different category of second items available for sale. A selected category of items is displayed when the attendant actuates a category key. The display shows prompting indicia associated with each item. The keyboard includes a set of keys having indicia associated with the indicia displayed by the prompting display.

대표청구항 ▼

In a point of sale device for ordering a number of items having a computer electronically interconnected to a keyboard, a memory device and a display device such that actuation of said keyboard causes the retrieval from memory of stored information and the display of the information on the display d

In a point of sale device for ordering a number of items having a computer electronically interconnected to a keyboard, a memory device and a display device such that actuation of said keyboard causes the retrieval from memory of stored information and the display of the information on the display device comprising: key members organized into a first and second hierarchy; said first hierarchy known as item keys wherein each key is uniquely identified with a single unit; said second hierarchy known as category keys wherein each key is uniquely identified with a group of single units; each of said item keys depicting a single unit for being ordered; each of said category keys depicting a group of single units which can be individually ordered; the item ordered by the actuation of an item key is constant with respect to the actuation of a category key; the keyboard containing enough category key members to display substantially all of the units which can be ordered at the device; actuation of an item key member causes said point of sale device to order a unit; actuation of a category key member causes said display to show a group of units for sale and the code necessary to order any unit in the group displayed.