Apparatus for preventing circuit burn-out in multi-price merchandisers
US4466528A · kind A · utility
0Cited by
6References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 13, 1981 |
| Grant date | Aug 21, 1984 |
| Priority date | — |
| Expiry date | Aug 13, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F5/22
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Apparatus for preventing circuit burn-out in motor driven merchandisers, in one form of which a plurality of redundant diodes connects a price matrix to the open contacts of the selection switches. In another form, the price matrix is connected to the first normally open contacts of double pole, double throw selection switches, the second normally open contacts connected to the delivery drive means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.