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System and method for contactless power transfer in portable image detectors

一种图像检测器、功率传输的技术，应用在非接触功率传输的系统领域，能够解决降低图像质量等问题

Active Publication Date: 2012-12-05
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The operating frequency of an inductively coupled system generates electromagnetic waves sufficient to affect the image detector and degrade the quality of the image by introducing artifacts in the image

Method used

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  • System and method for contactless power transfer in portable image detectors
  • System and method for contactless power transfer in portable image detectors
  • System and method for contactless power transfer in portable image detectors

Examples

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Embodiment Construction

[0013] Embodiments of the invention include a system for contactless power transfer in a portable image detector for charging a rechargeable battery deployed within the portable image detector. The system includes a first coil coupleable to a power source. The first coil generates a magnetic field that is coupled to a second coil that is coupled to a rechargeable battery deployed within the portable image detector. The second coil receives power from the first coil through the magnetic field, and further transmits the power to the rechargeable battery. The contactless power transfer system also includes a field focusing element disposed between the first coil and the second coil. The field focusing element acts as a self-resonant coil with a standing wave current distribution to focus the magnetic field onto the second coil and enhance the coupling between the first coil and the second coil. The term "a" as used herein does not imply a limitation of quantity but rather means...

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Abstract

A system and method for contactless power transfer in a portable image detector for charging rechargeable batteries disposed within the portable image detector is provided. The system includes a first coil couplable to a power source, wherein the first coil is configured to produce a magnetic field. The system further includes a second coil coupled to the rechargeable battery disposed within the portable image detector and configured to receive power from the first coil via the magnetic field and to transfer the power to the rechargeable battery. The system also includes a field focusing element disposed between the first coil and the second coil and configured as a self resonant coil having a standing wave current distribution to focus the magnetic field onto the second coil and enhance the coupling between the first coil and the second coil.

Description

technical field [0001] Embodiments of the invention relate generally to contactless power transfer systems, and more particularly, to systems for contactless power transfer in portable image detectors. Background technique [0002] Typically, imaging devices are used for medical diagnostic purposes. Imaging devices include image detectors for detecting images for diagnostic purposes. The image detector is either a fixed image detector or a portable image detector. Portable image detectors are battery operated, which may include non-rechargeable or rechargeable batteries. [0003] Typically non-rechargeable batteries will be replaced after a fixed period. Generally, rechargeable batteries are used to extend the time between battery replacements and are cost effective. Typically, rechargeable batteries are recharged by an inductive coupling system operating at frequencies measured in kilohertz. The operating frequency of the inductively coupled system generates electromag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/02H02J17/00
CPCH04B5/0037H04B5/00H02J5/005H02J7/02H02J17/00H02J7/025H04B5/0093H02J50/80H02J50/12H02J7/00034H04B5/266H04B5/79H02J50/20H02J7/00
Inventor A.K.博霍里S.M.N.巴特S.拉马钱德拉帕尼克J.N.斯罗特尼克
Owner GENERAL ELECTRIC CO
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