Samsung Electronics Co., Ltd.

Soo-Ryeol Kim

Ki-Tae Lee

Moon-Heui Lee

Sung-Ok Song

Methods and apparatuses are provided that is performed by an electronic device. A display screen provides a first user interface to receive a first user input and to display user inputted content including a first representation of the first user input. An instruction to provide a second user interface is received. The display screen provides the second user interface together with the first user interface in response to the received instruction. A portion of the user inputted content is displayable in the second user interface in an enlarged size. A second user input is received via the second user interface. In response to the second user input, a second representation of the second user input is displayed in the second user interface. The user inputted content displayed in the first user interface is updated by adding the second representation in a displayed size smaller than a size used for displaying the second representation in the second user interface.

Method and apparatus for changing font size of message in a mobile communication terminal

A method and an apparatus for enlarging a message in a mobile communication system is provided. Selection of a font size change menu is monitored during message writing or reading. If the font size change menu is selected, a pop-up window or a magnifier window is invoked and a message is enlarged in the pop-up or magnifier window.

A system and method of automatically deleting logged calls and messages in a mobile phone, in order to maintain security and protect privacy. The system and method employ the operations of: selecting a log deleting management database from a menu; inputting a password; displaying types of log deleting management database if the input password is correct; and performing at least one of recording a new telephone number, a method of dialing the new telephone number and a method of recording the new telephone number when the new telephone number record is selected from the log deleting management database.

System and method of deleting a call log and message log in a mobile phone

A device for enabling an earphone-microphone combination including a radio module to be used for a mobile phone, comprises a switching device for changing the operational mode of the radio module between telephoning mode and radio mode according to first and second mode selection signals, the radio module being muted in the telephoning mode, and a radio module interface connector connected with the hands-free kit interface connector of the mobile phone both to supply the power of the mobile phone battery to the radio module and to communicate the first and second mode signals and audio signals between the mobile phone and radio module or the earphone-microphone combination.

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Seoul, South Korea

Soo-Ryeol Kim