Technique for communicating with electronic labels in an electronic price display system
US5864325A · kind A · utility
43Cited by
22References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 1997 |
| Grant date | Jan 26, 1999 |
| Priority date | — |
| Expiry date | Feb 3, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2380/04
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
In a system for displaying prices in a retail store, an improved protocol is disclosed to permit improved communications between a host, or central computer and display devices. Such a protocol enables the host to effectively communicate messages to the display devices for the latter to display information to consumers and/or store personnel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.