System for processing sales data on slips used in restaurants

Details System for processing sales data on slips used in restaurants System for processing sales data on slips used in restaurants

1988-12-09

1991-05-21

Smith, Jerry

Boots, shoes, and leggings

364404, G06F 1520

Patent

active

050180665

ABSTRACT:
A data processing system according to the invention comprises a system controller and a plurality of ECRs connected to the system controller. Each ECR has a keyboard for inputting sales data per slip number (kind). The ECR obtains the subtotal per kind of the input sales data. The subtotal is transmitted to the system controller. The controller receives the subtotal data per slip number which is transmitted from the ECR and stores the subtotal data per slip number. When an additional registration is performed, the ECR receives the subtotal data regarding the slip number from the system controller and adds the additionally registered sales data to this subtotal data. The controller stores this newly obtained data as the subtotal data regarding the slip number. When the subtotal data is transmitted to the ECR and the process regarding this subtotal data is being executed in the ECR, the system controller doesn't transmit this subtotal data to the other ECR until the process ends in the ECR.

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Science Research Associates, Inc. "Database Processing, Fundamentals, Design, Implementation", 1983; 410-411.
Fred R. McFadden et al., "Database Management", 1985, pp. 348, 372.

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