Nokia's (NOK) Latest Patent App Could be Key for Wearables Market

March 12, 2014 8:21 AM EDT
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Is Nokia (NYSE: NOK) planning to go into the wearables market?

If it is, one of its latest patents will be clutch.

NokiaPowerUser reported Wednesday that Nokia filed a patent for a flexible battery. The battery, which resembles a Swiss roll, would allow wearable devices to run for longer, while the battery is capable of being further integrated into the device.

Nokia stated in one part of the summary:

According to one example of the invention, the flexible battery 10 may be used in a multi-function portable electronic device. However, in alternate embodiments, features of the various embodiments of the invention could be used in any suitable type of portable electronic device such as a mobile phone, a gaming device, a music player, a notebook computer, or a personal digital assistant, for example. In addition, as is known in the art, the portable electronic device can include multiple features or applications such as a camera, a music player, a game player, or an Internet browser, for example. It should be noted that in alternate embodiments, the portable electronic device can have any suitable type of features as known in the art.

On composition of the structure:

The single layer which interconnects the rolled structures permits mechanical flexure at that/those point (s), giving flexibility to the whole structure. The separation between each wound roll can be adjusted so as to fit the requirements of the particular device (for example, two rolls/folds can be segregated to either end of a device allowing the centre to flex, and fit additional components) . The interconnecting layer is able to tolerate greater flexure since it is much thinner, and as a result experiences lower stresses than the full stack. Note that the stresses experienced in a given layer depend on the distance of that layer from the neutral plane associated with the bending. Generally the flexible linkers will be located in the same plane as each other, forming the neutral plane of the overall bending device and minimizing stresses.

So, while Nokia is unloading its Devices & Handsets business, don't think its out of the mobile game quite yet. Shares of Nokia are lower in early trading.

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