News

22.10.2013

New 20 Watt Wireless Power System Solution

A new highlight in the series of Wireless Power developments in RRC is a proprietary 20-Watt transmitter / receiver system solution.

There are four advantages compared with known Qi-solutions: Optimization of dynamic load changes, bi-directional data transfer, compact design and a more favorable price-performance ratio.

A major drawback of the Qi standard is the interference-prone data transfer in rapid load changes, due to its impedance modulation specification. This can result in the worst case to abort the power transfer. The solution is to separate the power from the data channel, so that dynamic load variations are compensated. Both the transmitter and receiver unit has two separate coils that are integrated into a coupled transfer unit, and thus the power transfer is split from the data transfer. Due to this integrated coil design, the coil size is the same and the electronics is only slightly larger at the Qi variants. The separation of the coils described above, as well as a new modulation method, there is now also the possibility of bi-directional data transfer. Another plus is the much faster data transfer compared to the Qi standard. This new technology features offer advanced capabilities at an attractive price-performance ratio.

08.10.2013

Article by RRC in medical journal "MED engineering"

What is the difference between industry compatible standards and proprietary solutions?

The article has a basic introduction on the topic of inductive energy transfer and describes current developments and trends. For this, the approaches and goals are compared of three industry consortiums who are currently working on their own specifications with the aim of standardizing contactless power transfer. In addition, applications for contactless energy transfer are shown in the field of medical technology.

To the article in MED engineering (only German website)

Download PDF (in English)

16.01.2013

Professional article of the year award

RRC received another award for an article regarding the field of wireless power and data transmission, which was awarded by the readers of the German magazine "E & E fascination electronics" and ...

the "E & E Compendium". The editors of E & E asked its readers to choose the best articles of 2012. The choice was calculated by looking at the most-read articles on the Internet from the E & D Compendium 2012 and from the nine issues of the magazine E & E last year.

The vote showed that the article "Contactless Charging" by Peter Wambsganss, CTO of RRC, took first place.

>> to the article on the E&E Homepage

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