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Smart vest for the blind

05.08.2020

In the United States, a smart vest was introduced that will help visually impaired people navigate in space. It transmits obstacle data using pressure and vibrations.

Researchers at Harvard University have developed a soft robotic vest that uses cameras to guide visually impaired users. Computer vision finds, classifies and evaluates the movement of objects around the user. The device informs about them by means of pressure on the user's body, depending on the distance to the obstacles. This way they can know in advance that there is a road, a wall or an approaching person ahead.

The researchers describe the Foresight vest as "invisible, accessible and intuitive." It uses soft inflatable textiles and the vibrations will be soft so as not to frighten the user. At the same time, the materials for production are inexpensive, so they can be mass-produced. If some of the sensors fail, they can be replaced separately.

Scientists planned to make this device in the form of a bracelet, but the vest allows you to more effectively monitor the surrounding space, and then issue tactile commands in real time via Bluetooth. Engineers plan that the product will be supported by all current smartphones, however, these devices must be able to process AI data.

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Wrist TV by NHJ 13.04.2004

NHJ has released a wrist watch with a large color display and a built-in TV tuner - VTV-101.

Diagonal LCD screen -1,5", resolution - 280x220 pixels (22,2x29,5 mm). Dimensions of the watch itself - 45,7 x 18,2 x 49,4 mm, weight - 55 grams. VTV-101 is capable of receiving VHF 1 - 12 channels, UHF 13-62 channels.

The micro-TV receives TV programs in the meter and decimeter ranges, and the headphone cord acts as an antenna. The maximum operating time of the device from the built-in lithium-ion polymer battery in the mode of receiving TV programs is about one hour, and when using additional batteries placed in an external case - up to three hours.

The package includes a mains power supply with a built-in charger. The time for fully charging the built-in battery is about half an hour. In addition to receiving television programs, the novelty can also act as an ordinary wrist watch, and if the battery charge is no longer enough to show TV programs, the watch continues to display the time.

The price of the device is about $188.

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