Apple's new patent: smart health monitoring headphones, shake your head can change music

The US Patent and Trademark Office (USPTO) passed a patent on "the motion detection system for headphones, earphones or headsets" that Apple applied for in 2008. The patent shows that Apple has developed devices that integrate motion monitoring for at least six years. This type of earphone with various sensors can detect various physiological indicators, including body temperature, heart rate and perspiration level.

According to the patent document, the fitness detection system is hidden in the earphones, and the user usually listens to music while wearing headphones. By placing the earphones in or near the ear, the embedded motion sensor can obtain data on body temperature, ranking and heart rate. Based on the skin-based detection function, the accelerometer can also be integrated inside the earphone so that accurate motion data can be collected. In some cases, it is also mentioned that multiple acceleration sensors are integrated, corresponding to different direction axes.

The motion sensor can be located at the top or bottom of the headset, but the patent does not describe in detail how these physiological indicator data is collected. Apple has many other patents describing communication between the electronic sensor and the user's skin, including the use of the iPhone's external metal structure. The user's heart signal, etc. Apple may add a conductive metal ring to the earphone or touch the motion sensor to the user's skin. The motion detection sensor can also cooperate with the acceleration sensor, which means that the user can initiate commands through the action of the head. For example, When the user wants to change music or adjust the volume, it can be achieved by shaking his head or swinging his head. In order to prevent accidental activation of the head control, this operation through the head action may require the user to press and hold a special button. achieve.

The patent also states that this smart headset can support wired or wireless transmission at the same time, such as communicating with devices such as iPhone via Bluetooth. Although most of the patents describe motion detection, this headset can also integrate "psychological" sensors, Apple It is possible to use a special logic algorithm to judge the collected biological information and determine the mood state of the user.

There are more and more rumors about Apple's iWatch, and Apple has recruited many experts from the medical sensor and health industry, which has led many to believe that the company will launch an independent wearable device that can monitor multiple physiological indicators. Today's patent display Apple's wearable device may be more than just iWatch, smart headphones are also very good products!

TFT LCD Display

TFT LCD screens are characterized by good development, high screen, strong sense of layering, and bright colors, but there are also relatively power consumption and low cost. TFT screen technology legendary the development of mobile phone color screens. Many of them support 65536 color displays, and even have 160,000 color displays. With a very high screen TFT, the visual advantage is important.
Technical characteristics
TFT technology was developed in the 1990s. It uses new materials and new processes for fine semiconductor all-electronic manufacturing technology. It is the basis of liquid crystal (LC), inorganic and organic thin-film electroluminescence (EL and OEL) flat panel displays. It is a variety of films made on non-single materials such as glass or plastic products (of course also on the surface) through methods and chemical reaction forming processes, and a large number of micro-integrated circuits (LSIC) are produced through the processing of the films. Non-single crystal crystals can achieve cost reduction, which is an extension of traditional small integration to large area, function, and direction. Manufacturing TFTs that control the switching performance of pixels (LC or OLED) on large glass or plastic products has a higher technical content than manufacturing complete ICs on silicon wafers. The required production equipment and production technology surpass the production of large-scale integration of semiconductors, which is the luster of modern technology. The main features are:
(1) Large area: The first generation of large-area glass products (300mmÃ—400mm) TFT-LCD-production line was put into production at the beginning of the nineties, and the area of eye glass has been expanded to 60mmÃ—80mm in 2000), as well as 950mmÃ—1200mm glass The design will also run.
(2) High integration: The size of the 1.3-inch TFT chip used for the projection of liquid crystal is one million for GA. The resolution is SXGA (1280Ã—100Ã—1280Ã—1000Ã—1280Ã—1000Ã—1280Ã—1000Ã—16.1 inch TFT screen amorphous film) 50nm, and TAB ON GLASS and SYSTEM ON GLASS technology, its IC integration, The technical requirements for equipment and supplier technology are more difficult than traditional LSI.
(3) Powerful function: TFT as a matrix selection solution provides the light valve characteristics of liquid crystal. TFT-LCD is the first Liquid Crystal Display in human history whose display quality exceeds that of CRT. The function will be more powerful, which is unmatched by traditional small integrated circuits.
(4) Design: Glass products and plastic products have fundamentally solved the problem of large semiconductors and opened up potential applications for the application of small semiconductors.
(5) Ingenious process: In addition to the use of vapor phase, chemical vapor deposition (chemical vapor deposition) MCVD (molecular chemical vapor deposition) and other processes to form films, laser flame technology has also begun to be applied traditionally, not only making amorphous films, polycrystalline films, but also Single crystal films can be manufactured. Can make silicon film, can also make other II-VI group and III-V group semiconductor thin film.
(6) Wide range of application fields. Liquid crystal display based on TFT technology is a rich industry in the information society, and the technology can also be applied to the rapid growth of thin-film organic electroluminescence (TFT-OLED) flat panel Display Screen shots. .

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