Samsung Electronics Co., Ltd.

Dong-Hoon Noh

Joo-Sub Kim

Moon-Sung Choi

Disclosed are a system, a method and device for recognizing an external device by a portable terminal. The external device determines whether the external device has recognized the portable terminal according to signals with a predetermined form, which have been output from the portable terminal regardless of the on/off state of the power source thereof, and outputs signals for a predetermined period of time according to a result of the determination. Thereafter, the portable terminal recognizes the external device according to the number or the form of signals input from the external device through a recognition node for a predetermined period of time. As a result, the portable terminal can recognize more various external devices, such as an external battery and a charging cradle which provides stereo sound, by using the recognition node of the portable terminal.

System and method for recognizing external device by portable terminal

A method and apparatus for outputting audio data and a musical score image, displaying a musical score image corresponding to reproduced audio data, and outputting audio data corresponding to a musical score image are provided, in which a tone is extracted, the tone is converted into a frequency, a monotone or polyphonic tone is identified, the frequency corresponding to a monotone or polyphonic tone is converted into tone information data, and the tone information data is stored, and a musical score is displayed. Also, audio data corresponding to a musical score are output, in which the musical score is photographed, musical signs from the photographed musical score are extracted, a pitch of a tone is extracted from music paper and musical note information of the musical signs, a duration of the tone from the musical note information of the musical signs is extracted, and audio data are output.

Growing community of inventors

Gumi-si, South Korea

Dong-Hoon Noh