Card counter with card counting preset data entry system method
US4995060A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 7, 1990 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Feb 7, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06M9/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A card counter (10) prints card inventory information locally and communicates with a remote computer (43) for permanent storage and retrieval of inventory information. A microprocessor controller detects a counting error in response to the actual count failing to match a preset count, failing to match a precount information machine read from a machine readable precount label (130) attached to the cards (18), in the event of a phase error from a pair of parallel scanning card sensor circuits (58, 59) or if the final counts of the two card sensor circuits (58, 59) do not match. In the event of detection of a counting error, an error indication is provided and entry of the count into an accumulator memory is inhibited. The preset number is entered into memory by selectively entering an actual count into the preset memory. A pair of separate accumulators are provided for concurrently accumulating totals of two different groups of cards (18). The card sensor circuits (58, 59) are digitally filtered by the microprocessor (44) which also automatically performs self diagnostics to reduce counting errors due to malfunction. Malfunction of a scan drive motor (61) is reduced through provisio…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.