Position sensitive power transfer antenna
US5314453A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 6, 1991 |
| Grant date | May 24, 1994 |
| Priority date | — |
| Expiry date | Dec 6, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/37217
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A power supply implanted behind a tissue barrier in a human body and operating a medical device and incorporating a high frequency power receiver antenna coil; a transmitter having a high frequency transmitter antenna coil generating high frequency power and transmitting the power from the transmitting coil to the implanted receiver coil; an implanted non-ferrous magnet affixed within the implanted annular receiver coil; and a magnetic field sensing device or magnetically operated reed switch affixed concentrically within the transmitter coil of the transmitter and controlling transmission of high frequency power from the transmitter to the implanted power supply.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.