Retrofit audit system
US6839610B2 · kind B2 · utility
6Cited by
6References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2002 |
| Grant date | Jan 4, 2005 |
| Priority date | — |
| Expiry date | Oct 29, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F9/026
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An audit system for connection to vending machines is described. In an implementation, the audit system includes an audit monitor containing a microprocessor capable of reading information from at least one of a vending machine or from an operational device. The audit system also includes at least one sub-module coupled to the audit monitor and capable of detecting additional information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.