Inductive measuring arrangement for free-fall coin-operated devices
US8162126B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2009 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Jan 13, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07D5/08
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Inductive measuring arrangement for coin validation in free-fall coin-operated devices, in which at least one elongate coil arrangement on one side of the drop path of the coins extends transversely to the drop path, two coaxial elongate coils being arranged adjacent to one another, a shell core which is E-shaped in cross section being provided, which receives the coils between its outer arms, and a central arm extending, either not at all or only partially, into the outer coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.