According to a new report by IHS, the global market for wireless charging hardware used for mobile devices like smartphones and tablets will surge to rise by almost fortyfold during the next five years. Revenue from shipments of wireless power transmitters and receivers will expand to $8.5 billion in 2018, up from just $216 million in 2013. Revenue this year will increase by 264 percent to reach $785 million. And just as this market is about to take off, a new Samsung wireless charging invention comes to light using Electromagnetic Radiation (EMR) technology.
According to IHS's report, market prospects just got another jolt earlier this month when two of the main industry groups—the Alliance for Wireless Power (A4WP) and the Power Matters Alliance (PMA)—agreed to partner. The industry, it appears, is nearing an inflection point.
At the moment, Samsung is with another consortium called the Wireless Power Consortium (WPC). In fact Samsung was in the news earlier today joining WPC's board of directors. The WPC board drives Qi's adoption across mobile devices, cars, infrastructure, accessories, and products as the leading standard for wireless charging worldwide. CIOL's report states that "Qi leads the way in wireless charging with the fastest advances in inductive and resonance technology." Samsung leadership will play a role in the future of wireless charging and so every time there's a new Samsung patent on the subject, we should be paying attention to new ideas that they're bringing to the table.
New Samsung Wireless Charging Invention
Last November Patent Bolt covered Samsung's patent application under a report titled "Samsung Invents 3D Orientation-Free Wireless Power Transfer." More recently, the U.S. Patent and Trademark Office published yet another Samsung patent application regarding wireless charging using an alternative design.
Samsung states in their patent application that was published two weeks ago, that "in the conventional wireless charge system, the battery of a portable terminal can't be charged when there's no dedicated charging pad or no power outlet for operating the dedicated charging pad."
Samsung's latest invention provides a twist to wireless charging methods by inventing a method and apparatus for wirelessly charging a user device battery using another device.
Samsung's present invention relates to a method and apparatus for providing wireless charging of a user device such as portable terminal, mobile station, Personal Digital Assistant (PDA) and tablet PC.
Briefly, according to an embodiment of the present invention, the user device can support a pen input using an electromagnetic radiation (EMR) technology, so that a wireless charging between devices may be realized using an EMR circuit. According to the present invention, the wireless charging may be supported by providing certain frequencies (or magnetic field) generated through the coil mounted on a device or a sensor such as an EMR circuit of the device.
Further, according to an embodiment of the present invention, a user device may detect the location of another device (e.g., a portable terminal, an electric pen, etc.) through a charging circuit (e.g., an EMR circuit) during a charging mode, and may wirelessly supply energy for wireless charging of another device by operating a portion of the charging circuit corresponding to the detect location. EMR is a form of energy emitted and absorbed and carries energy (i.e., radiant energy) through space continuously away from the source and has both electric and magnetic field components.
Further, according to an embodiment of the present invention, when the device detects an approach of another device through the charging circuit, the device may distinguish an input mode and charging mode in relation with another device. When the device determines operation by the charging mode from relation of another device, may be performs internal charging of the device using power wirelessly received from another device through the charging circuit of the device in the charging mode.
In the embodiment, the charging mode may be divided into an energy supply mode that supports the charging of another device and an energy reception mode that receives charging energy from another device. Hence, when another device is approached (or contacted) during the energy supply mode is detected, wireless charging of another device may be supported.
Also, when another device identified as an electric pen is approached (or contacted) during the energy reception mode, the user device may operate at an input mode, receive the input of the electric pen, and then process an operation according to the input. If another device corresponds to the charging pad is approached (or contacted), the user device may operate at a charge mode, receive power from the charging pad, and process the wireless charge.
Samsung's patent FIG. 4 noted below illustrates a single wireless charging operation in a user device while in patent FIG. 6, we're able to see a multi-charge operation in a user device.
Samsung's patent FIG. 7 noted below is a flowchart illustrating a wireless charge operation in a user device.
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