Method and apparatus for point of sale promotional announcements
US5793281A · kind A · utility
13Cited by
14References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 23, 1996 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | Dec 23, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F25/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An automatic audio message delivery device is associated with the operation of an automatic door at a retail establishment. Data communications are provided to update promotional messages to be delivered and to enable the device to centrally report information on message delivery traffic and service requirements of the automatic door.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.