Point-of-sale system using multi-threaded transactions and interleaved file transfer
US5500890A · kind A · utility
206Cited by
17References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1993 |
| Grant date | Mar 19, 1996 |
| Priority date | — |
| Expiry date | Aug 19, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M11/00
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A dial-up asynchronous communication protocol allowing multiple POS terminals to efficiently multi-thread transactions to a host computer and to interleave mail messages and file transfers while retaining the ability to suspend these mail messages and file transfers when credit card authorization requests from the terminal or responses to those authorization requests from the host become available, and resume the mail messages and file transfers after the requests or responses have been transmitted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.