Near field communication system, X-ray CT apparatus, and near field communication controlling method
US12036062B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Apr 8, 2022 |
| Grant date | Jul 16, 2024 |
| Priority date | — |
| Expiry date | Jan 20, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A near field communication system according to an embodiment includes: a long coupler provided for a first device; a short coupler provided for a second device and configured to perform wireless communication based on electromagnetic field coupling, with the long coupler; and signal processing circuitry configured to vary gain for each of various frequencies of a signal transmitted and received between the long coupler and the short coupler, in accordance with the position of the short coupler with respect to the long coupler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.