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Time-domain multiplexing of power and data

A technology of power and power conductors, applied in the direction of electrical digital data processing, digital data processing parts, transportation and packaging, etc., can solve problems such as high temperature

Active Publication Date: 2012-11-07
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, this rapid charging can cause high temperatures in the power adapter

Method used

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  • Time-domain multiplexing of power and data
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  • Time-domain multiplexing of power and data

Examples

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Embodiment Construction

[0046] Attached figure 1 Illustrated is an electronic system improved by including embodiments of the present invention. This figure and other included figures are for illustrative purposes and should not limit the possible embodiments of the present invention or the claims.

[0047] The figure includes an electronic device 110. In this specific example, the electronic device 110 may be a notebook computer. In other embodiments of the present invention, the electronic device 110 may be a netbook or a tablet computer, a battery, a media or a smart phone, a global positioning device, a media player, or other such devices.

[0048] The electronic device 110 may include a battery. The battery can provide power to the electronic circuit in the electronic device 110. The power adapter 120 can be used to charge the battery. Specifically, the power adapter 120 may receive power from an external source, such as a wall outlet or a car charger. The power adapter 120 can convert the recei...

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PUM

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Abstract

Circuits, methods, and apparatus that may allow an electronic device to control a power adapter. One example may provide an electronic system where an electronic device may control a power adapter through a communication channel. Data transferred in the communication channel may include the temperature of the power adapter, the charging capability of the adapter, and other types of data. In one example, power and data may share the same two wires, and the power and data may be time-division multiplexed. That is, the two wires may convey power and data at different times. Another example may include circuitry to detect a connection between the electronic device and the power adapter. Once a connection is detected, power may be transferred from the power adapter to the electronic device. This power transfer may be interrupted on occasion to transfer data between the power adapter to the electronic device.

Description

Technical field [0001] This application relates to time-domain multiplexing of power and data. [0002] This application claims the benefits of U.S. Provisional Patent Application No. 61 / 482,195 filed on May 3, 2011, which is incorporated herein by reference. Background technique [0003] The type and number of electronic devices used by consumers have grown tremendously in the past few years, and the rate of growth has not shown any signs of slowing down. These electronic components include hand-held portable devices, such as notebooks, netbooks, or tablet computers, batteries, media, or smart phones, global positioning devices, media players, and other similar devices. [0004] These hand-held portable devices need to supply power during operation, and the power can come from external sources or internal sources, such as batteries. These batteries usually need to be charged with an external source (such as a power adapter). These power adapters can receive AC power from a wall p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
CPCG06F1/263H02J7/0086G01F1/26H02J7/0036H02J7/00
Inventor 艾瑞克·史密斯布莱恩·R·海克汤米·索
Owner APPLE INC
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