Mitsubishi Electric Develops Multi-modal Character-input Interface For Chinese-language Car Navigation Systems

Mitsubishi Electric Develops Multi-modal Character-input Interface for Chinese-language Car Navigation Systems – Nov 19, 2013– Tokyo, Japan (AutoReleased) – Mitsubishi Electric Corporation announced today it has developed a multi-modal character input human-machine interface (HMI) for next-generation Chinese- language car navigation systems. The HMI accepts both QuanPin and ShuangPin input using PinYin phonetic symbols, and also recognizes handwriting and audible commands for a total of four input modes.

System layout

System layout

The multi-modal character input system will be showcased in part on the company’s EMIRAI 2 concept vehicle exhibit (Booth E3203, East Hall 3) at the 43rd Tokyo Motor Show taking place at the Tokyo Big Sight exhibition complex in Tokyo, Japan from November 23 to December 1.

PinYin is the romanization of Chinese pronunciation, QuanPin predicts words based on the initial character and ShuangPin uses alphabetic input for each Chinese character.

Development Features

1) Highly convenient system for Chinese-character input

Four modes of input for extra flexibility
Enhanced usability thanks to cursor buttons and jog dial
2) LED display touchscreen for handwritten input

LED display touchscreen leaves trace marks to enable user to confirm what they have just written without having to check console
3) Steering wheel-mounted touchscreen for improved usability

Touchscreen built into steering wheel allows input with either hand
Curved shape of touchscreen fits steering wheel contours

China is the world’s largest market for car navigation systems and demand is continue to grow. Various features of the Chinese language, however, have created a strong need for flexible character-input methods that ensure easy usage by all Chinese speakers. PinYin, developed in 1958 as the standardized Chinese writing system, is learned in schools and used by Chinese people in their 30s or younger. Older Chinese, however, can have difficulties using this system, as do people living in outer regions of the country. Furthermore, pronunciation in Cantonese and other numerous dialects can differ from standard Chinese.
Patents
The technology announced in this news release encompasses three Japanese patents and one international patent pending.

 

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