Patent Number: 6081744
Patent Date: June 27, 2000
Added to IOP: May 15, 2024, 12:40 a.m.
This study apparently shows the development of the technology that can make people perceive physical sensations on/in the body and the other related effects mentioned previously based on weak electrical fields, it's now working over a short distance, and using a battery powered device with a magnetic field generating antenna similar to the very short range NFC antennas in a modern phone.
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