Technologies | Displays | Drones | Apr 27, 2017

DOCOMO Develops World's First Spherical Drone Display

NTT DOCOMO, INC., in a continuing quest to create innovative new business, has developed a spherical drone display - an unmanned aerial vehicle that displays LED images on an omnidirectional spherical screen while in flight - which DOCOMO believes to be a world first.

The device comprises a spherical external frame, an internal LED frame consisting of a series of eight curved LED strips that extend from top to bottom, a drone fitted inside the sphere and legs protruding underneath. During flight, the LED frame spins on its axis in a rapid horizontal motion, forming an afterimage effect to create the illusion of a solid sphere of motionless LEDs. The highly maneuverable drone can be operated virtually anywhere, including venues such as concert halls or arenas where it can fly around as part of a performance or deliver advertising messages, event information, etc.


Structure

The maximum diameter of the spherical frame is about 88 cm and the entire device, including the drone, weighs just 3.4 kg. The display measures 144 pixels high and 136 pixels wide (horizontal circumference).

Equipping a drone with a spherical display had proved difficult until now due to challenges such as the display interfering with the airflow of the drone's propellers as well as the added weight of the display. However, DOCOMO's solution uses a largely hollow display that is exceptionally lightweight and allows air to flow through it, yet it still achieves the illusion of a solid display by creating an afterimage effect with rapidly spinning LEDs.

DOCOMO aims to commercialize its spherical drone display in the fiscal year ending in March 2019. Going forward, the company will explore potential entertainment and messaging solutions for event venues, including stadiums and concert halls.

DOCOMO will showcase its spherical drone display at NTT ULTRA FUTURE MUSEUM 2017 during the Niconico Chokaigi conference at Makuhari Messe, which will begin on Saturday, April 29. The exhibition will include a flight demonstration inside the event hall.


In flight

Under the "docomo Drone Project," DOCOMO is exploring ways to combine aerial mobility and communications mobility in innovative solutions for logistics, messaging, entertainment and other fields.

About NTT DOCOMO
NTT DOCOMO provides innovative, convenient and secure mobile services that enable smarter living for each customer. The company serves over 73 million mobile customers in Japan via advanced wireless networks, including a nationwide LTE network and one of the world's most progressive LTE-Advanced networks. DOCOMO is a leading developer of a 5G network that it plans to deploy by 2020, as well as network function virtualization (NFV), NFC infrastructure and services, emerging IoT solutions, and more. Outside Japan, the company is providing technical and operational expertise to seven mobile operators and other partner companies, and is contributing to the global standardization of all-new mobile technologies. DOCOMO is listed on stock exchanges in Tokyo (9437) and New York (DCM). Please visit https://www.nttdocomo.co.jp/english/.

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