Apple patents a panel-type acoustic system for mobile devices - CYDIAPLUS.com

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Tuesday, 20 December 2016

Apple patents a panel-type acoustic system for mobile devices



The US company continues to swell its patent list continuously. They recently won two new patents that allow them to maximize interior space of portable devices.

There is no doubt that Apple wants to maximize the space of their mobile devices, even more so after seeing these two patents. Moreover, we should not forget recent rumors suggest that the future iPhone Apple could incorporate the smallest processor in history .


One of the new patents Apple refers to a type acoustic panel system that provides high quality sound and another detailing woven screens for the Apple Watch. Below we tell you more details about these two patents that the US Patent and Trademark Office has just granted to Apple.

Apple gets two new patents for its mobile devices


The first patent to Apple refers to an "acoustic panel system mechanically actuated". In its description an audio solution is created that creates sound through the direct vibration of flat sub-panels.

In other words, traditional systems incorporate large dynamic speaker diaphragms, generally conically shaped, including a voice coil wire. This moving coil is located in a frame adjacent to a large magnet which when applied electric current creates a magnetic field that interacts with the magnet to push and pull the diaphragm, thus creating sound.


These speakers Apple patented micro operate in the same way but on a much smaller scale. Voice coils integrated with panel diaphragms and small magnets comprise a largely autonomous system.

The new Apple patent shows a system which is actually a large panel divided into different smaller sub-panels designed to act as individual diaphragms. Such panels are located on a back volume of air, while the voice coil motors and the built-in permanent magnets would provide the necessary movement to generate the sound.

Individual sub-panels have dedicated voice coils and an audio converter incorporated can send appropriate signals to different sets, thus allowing high precision acoustic. As described in the patent description, Apple's sub-panel mechanism could be configured to reproduce high-definition sound in a relatively shallow installation facility, perfect for very thin devices like the iPad or MacBook.

It is still unknown if Apple will incorporate this new technology for the speaker panel in future devices, as it does not always apply all the things it patents. However, it would be quite interesting to see how this system is part of future generations of the iPad or MacBook because it would maximize the internal space significantly.


On the other hand, Apple has also secured another patent for a "woven screen." The disclosure of this patent teaches a method by which light transmitting materials are woven into conventional textiles.

When these are connected to LED or other light source, light tube fibers can make computer-generated images useful for secondary displays on mobile devices such as Apple Watch. This patent Apple set light transmitting materials such as glass fibers, polymers and nylon, with opaque fibers intertwined and form a very precise pattern.

The US company would use advanced machining techniques and specific tools as a team to three - dimensional weaving, making him would create this complex interlaced design. In addition, it should be noted that the light transmitting sections of this woven web could darken or become opaque during the finishing process by applying a light blocking substance.


Connecting these fiber cables light to a light source in the device in which a part, such as the Apple Watch, provide a functional screen, but low resolution, able to present users with readable information. Depending on the stitch, the woven band could post multi-colored symbols or even alphanumeric characters to transmit system alerts or simple notifications.

As you can see Apple is still working to get new technologies to improve their devices and to create new ones. But do not forget that they do not always put into practice all the patents and many of them are kept in a drawer.

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