Smartphone Uses Vibration of Display Screen to Transmit Sound: The Kyocera Urban Progresso

Kyocera Corporation (President: Tetsuo Kuba) announced the release of the URBANO PROGRESSO, the world’s first smartphone*1 to be equipped with Smart Sonic Receiver technology which transmits clear voice quality to the user directly through vibrations in the handset’s display screen — a technology co-developed by Kyocera and KDDI Corporation, based on Kyocera’s proprietary advanced ceramic technology.

The new model is part of Kyocera’s DIGNO®-branded smartphone series, complete with various features including a stylish and sophisticated design using a metallic shell; 4.0-inch OLED “Luminous Display®”; compatibility with WiMAX™ high-speed Internet service; and connection with up to eight devices via Wi-Fi® tethering.

Available in three color variations, the new phone is part of KDDI Corporation’s new handset lineup announced on May 15.

Smart Sonic Receiver

1. Smart Sonic Receiver uses display screen vibrations to transmit audio

Smart Sonic Receiver is a new function which uses a piezo-electric actuator to create vibrations along a wide area of the display screen which in turn transmits clear voice quality to the user. This is the first smartphone in the world to be equipped with this function.

2. Audible voice clarity from a wide area of the screen

As the vibrations cover a wide area of the screen, the user is able to hear clear voice quality regardless of where their ear is placed. Furthermore, by pressing the whole screen against your ear to create a cover, it is easier to hear in crowded and noisy environments*2.


1. High-definition 4.0-inch OLED Luminous Display

The display screen possesses brilliant visual characteristics including high-definition, vibrant color reproduction, high contrast, excellent video expression, and a wide viewing angle — which allow the user to enjoy a richer visual experience with beautiful images and clear text. Moreover, the display surface is made of high-strength glass which is highly scratch resistant.

2. All-in-one phone with WiMAX compatibility

The URBANO PROGRESSO is compatible with WiMAX high-speed Internet service with speeds of up to 40 Mbps (down) and 15.4 Mbps (up)*3, and also features a tethering function to connect up to eight Wi-Fi compatible devices, allowing the user to view full Web pages, send large files, stream video and download with ease whether indoors or out. Furthermore, the URBANO PROGRESSO answers the demand for an all-in-one style smartphone replete with various features including a flash-equipped 8.1-megapixel camera to allow the user to take photos even in dim environments, and waterproof / dirt-resistant functions*4. All these features are packed into a stylish and sophisticated product design.

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