System and method for tracking a moving element in a conveyor system
US9600851B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2014 |
| Grant date | Mar 21, 2017 |
| Priority date | — |
| Expiry date | Aug 1, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B27/321
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system for tracking position and identification of a moving element on a conveyor system having a track, the system including: a machine readable medium provided to one of the moving element or the track, wherein the machine readable medium is configured with at least two channels with a predetermined phase difference therebetween; a sensor provided to the other of the moving element or the track, wherein the sensor is configured to read the at least two channels; and a controller configured to receive data from the sensor and determine a position and/or identification of the moving element on the track based on the phase difference.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.