Method for identifying selected inventory items and reading the sum of their values
US3937929A · kind A · utility
Inventor
Key dates
| Filing date | Jun 18, 1973 |
| Grant date | Feb 10, 1976 |
| Priority date | — |
| Expiry date | Jun 18, 1993 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F7/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for distributing and controlling inventories of food items and the like in which a plurality of individual elements are coded to identify both a corresponding inventory item and a magnitude such as a price associated with that inventory item. A holder member for collecting together a selected group of the individual elements to enable identification of the corresponding food items ordered by a customer as well as sensing the total price thereof. Coding each element so that one dimension thereof extends in a predetermined direction a distance proportional to the price of the corresponding food item.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.