Electronic cash register having discount prices selected by customer level

Claim 2

An electronic cash register comprising: means for storing respective unit prices for each of a plurality of customer levels for at least one predetermined purchasable item or service which is subject to differing customer level discounts; said storing means also storing a respective unit price for at least one predetermined item or service which is not subject to said customer level discounts; said plurality of customer levels being identified by respective customer level codes; means for entering a customer level code and an item or service code; and, means responsive to an entered customer level code and an entered item or service code for selecting from said storing means a unit price of an item or service corresponding to said entered customer level code and item or service code; and, means for using said selected unit price in a registration operation.

Claim 3

An electronic cash register as in claim 2 wherein said storing means comprises a first storage area having a first storage level for storing regular prices for each of a plurality of items or services, and a second storage area for storing, in accordance with customer levels, respective discount prices associated with each of the customer levels for each of a plurality of items or services subject to customer level discounts, said storing means also storing an indication of whether a particular item or service is subject to customer level discounts; said selecting means including means for examining said storing means and discriminating among items or services which are subject to customer level discounts and those which are not by said stored indication for an entered item or service code, said selecting means further including means for reading a unit price corresponding to an entered item or service code from said first storage area when said storing means indicates that an entered item or service code corresponds to an item or service not subject to customer level discounts, and for reading a unit price corresponding to an entered item or service code from said second storage area in accordance with an entered customer level code when said storing means indicates that an entered item or service code corresponds to an item or service subject to customer level discounts.

Claim 4

An electronic cash register as in claim 1, wherein said selecting means includes means responsive to an entered customer level code for selecting a series of unit prices based on a subsequently entered series of item or service codes without requiring another entry of said customer level code for each item or service in said series.

Claim 5

An electronic cash register as in claim 3, further comprising temporary change data entry means for entering temporary change data, and means responsive to an entered temporary change data and to a subsequently entered customer level code for causing said selecting means to thereafter select unit prices in accordance with said subsequently entered customer level code and item or service codes entered after entry of said subsequently entered customer level code.

Claim 6

An electronic cash register as in claim 2, wherein said indication is provided by the lack of storage in said second storage area of unit prices for those items or services which are not subject to customer level discounts.

Claim 7

An electronic cash register as in claim 12 wherein said indication is provided by the storage in said second storage area of the regular unit prices for those items or services which are not subject to customer level discounts.

Claim 8

7 An electronic cash register as in claim 2, wherein said indication is provided by storing, for each item or service, a flag indicating whether each item or service is subject to a customer level discount.

Claim 9

An electronic cash register as in claim 1, wherein said entering means comprises a plurality of selectable entry keys each for entering a respective customer level code and a plurality of selectable item or service keys, each for entering a respective item or service code.

Claim 10

An electronic cash register as in claim 1, wherein said entering means includes a card reader for reading a customer level from a card.

Claim 11

An electronic cash register as in claim 1, wherein said entering means includes a bar code reader for reading item or service codes.

Claim 12

An electronic cash register comprising: means for storing respective unit prices for each of a plurality of customer levels for at least one predetermined item or service which is subject to differing customer level discounts; means for entering a code identifying one of said items or services; means responsive to an entered item or service code for selecting for registration a unit price for one of said customer levels associated with an item or service identified by an entered item or service code.

Claim 13

An electronic cash register comprising: means for storing respective unit prices for each of a plurality of customer levels for at least one predetermined item or service which is subject to differing customer level discounts; means for entering a code identifying one of said items or services; means responsive to an entered item or service code for selecting for registration a unit price for one of said customer levels associated with an item or service identified by an entered item or service code.