Let’s Steal Battery from a Friend’s phone

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Smartphones have transformed our lives and have become an inseparable part of our lives. As the whole world is going into the new phase of technological performance, our needs have become more sophisticated. On the one hand, we need speed and quality, and we need effectiveness on the other hand. Smartphone is that smart solution, small enough to be carried in a pocket. But what if your gadget is dying out of battery and there is no outlet nearby? And what if you can borrow some battery from your friend? Sometimes we just need 5 to 10% battery to make an urgent call or send an important message.

Have you ever wondered how amazing it would be if your friend’s phone’s Wi-Fi hotspot could transfer the battery power like it transfers data to your device? Here’s the future of charging technology on your device.

We all know that our phones can be charged by plugging in a charger into an outlet. But, technology has given us another reason to be astounded as it has come up with a whole new idea of charging a handset from another handset.

There are two ways we can do that – wireless or through a cable.

Table of Contents

Wireless charging

Wireless charging is the transfer of power from one device to another without using a connecting cable. For wireless transfer, your device must have a power transmitting pad and a receiver. It is based on inductive charging, wherein the power is created by passing an electrical current through two coils to create an electromagnetic field.

Wireless charging works in accordance with some standards. Qi is one such standard developed by the Wireless Power Consortium (WPC) for inductive charging over distances of up to 40mm. Qi wireless charging has been adopted by many of the major smartphone manufacturers: Apple, Samsung, HTC, Huawei, Nokia, Sony, LG, Motorola and Blackberry.

Another standard is PMA, or Powermat, which is comparatively less recognized. In 2014 PMA signed a deal with another wireless charging consortium Alliance for Wireless Power (A4WP) which will lead to the evolution of wireless charging at a much faster rate.

PowerShakeis a latest invention that allows mobile and wearable devices to wirelessly charge other mobile and wearable devices on the go, even when those devices are being held or worn.

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PowerShake is made of ferrite plate, coils and copper tape which can be embedded in a smartwatch or smartphone.

The one and only drawback of PowerShake is that twice as much energy needs to be transmitted as is received.

Charging through Cable

Phones can also be charged by transferring battery from one phone to another using a special dual sided charging cable.

The Juicer is one such cable that allows you to transfer battery power from one handset to another. It’s the world’s smallest, thinnest, and lightest phone-to-phone charger. This is the most convenient way of charging your phone when there isn’t an outlet around. You can also share the power from your own tablet.

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Phones can also be charged by transferring battery from one phone to another using a special dual sided charging cable.

The Juicer is one such cable that allows you to transfer battery power from one handset to another. It’s the world’s smallest, thinnest, and lightest phone-to-phone charger. This is the most convenient way of charging your phone when there isn’t an outlet around. You can also share the power from your own tablet.

Sony is Gearing Up to Cash in on With a Killer New Technology

Sony’s recently published patent on wireless charging technology could be a test of your friend’s loyalty as it’ll let you borrow your friend’s precious phone battery.

While both Samsung and Apple are trying to bring wireless charging to the upcoming Galaxy S8 and iPhone 8 flagships, Sony is gearing up to cash in on with a killer new technology.

According to a recently published patent application, the Japanese heavyweight seems to be working on this futuristic wireless charging feature that will enable power charging & exchange of data among various consumer electronics like smart-phones, computers and any other smart device.

This patent explains how wireless charging using antennas work by allowing a device, such as a mobile phone, to transfer power to another device. The patent discloses, “The method comprises identifying a plurality of antenna systems including at least a first antenna system and a second antenna system. At least the first antenna system is cooperated with a first CE device and the second antenna system is cooperated with a separate second CE device. The system provides a graphical user interface to illustrate each of the identified antenna systems and receives user instructions corresponding to at least two of the identified antenna systems, to generate configuration instructions in accordance with the user instructions, and to configure selected CE devices in accordance with the configuration instructions.”

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Fig. 2A from patent document shows two consumer electronic (CE) devices next to each other with a visualization of power moving between the two. Fig. 2B shows power being wirelessly transferred from a computer monitor to other nearby devices. FIG. 5 shows a representation of multiple CE devices 130-134 capable of forming a near field wireless network to allow cooperative communication and/or power transfer between antenna systems 116, and thus the CE devices.

Although the patent explains a method of wirelessly transferring power and data between two consumer electronics such as smartphones, tablets, TV, computer, etc. Yet, Sony, by mere filing of this patent, doesn’t guarantee this feature coming to smartphones. It’s just a patent and may not see the light of the day. This would only happen if Sony were able to make it an efficient one. And if it does, you can charge your phone anytime, anywhere!

About TTC

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