Non-contact power supply for height sensor with single cable
US9694640B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 9, 2014 |
| Grant date | Jul 4, 2017 |
| Priority date | — |
| Expiry date | Apr 9, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F9/04
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention reveals a distance sensor comprising: a signal receiving unit, an electromagnetic wave transmitting unit, and a magnetic signal transmitting unit; wherein the signal transmitting unit is adapted to transmit to the signal receiving unit a sensed distance between the signal receiving unit and the magnetic signal transmitting unit, wherein the magnetic signal transmitting unit further comprises an electromagnetic wave receiving unit and an electromagnetic wave-to-electric power converter, and wherein the electromagnetic wave receiving unit receives electromagnetic waves transmitted from the electromagnetic wave transmitting unit to operate the magnetic signal transmitting unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.