Samsung Electronics Co., Ltd.

Jae-Ik Jung

Jee-Young Jung

Jong-Myung Kim

Young-woo Lee

Sung-Hwae Kim

A method and apparatus for a wireless telephone having at least two speakers include a first speaker mounted on a folder housing of the wireless telephone; and a second speaker mounted on a body housing of the wireless telephone. The first and second speakers can be a telephone conversation speaker or a multimedia speaker, where the multimedia speaker outputs a message reception alert tone or a ringing tone. The method and apparatus further include a rotary section for rotating the folder housing, where the first or second speakers can be mounted on the rotary section.

Speaker apparatus and method in a wireless telephone

Disclosed is an apparatus and method for embodying mirror function in a portable terminal by which a user can use an LCD of the portable terminal as a mirror, with a rear polarizer of the LCD constructed to allow the LCD to reflect incident light and to perform as a mirror when powered off, and to perform the original function of LCD when powered on. The LCD may further comprise a front polarizer for polarizing the external incident light to a certain direction, a liquid crystal for deflecting the incident light from the front polarizer about a molecular axis in the liquid crystal and arraying the light parallel to the direction of an electric field to pass the light along the molecular axis, and a rear polarizer for reflecting incident light from the liquid crystal when power is not applied and allowing the incident light to pass by the liquid crystal when power is applied.

Apparatus and method for performing a mirror function in a portable terminal

An apparatus and method for compensating for backlight in a mobile terminal with a camera, which includes a camera unit having a camera lens and an ultraviolet sensor, which are disposed adjacent to each other and oriented in a same direction; and a control unit for generating a photographing control signal when a photographing mode key is input and controlling compensation for backlight while in the photographing mode.

Apparatus and method for compensating for backlight in a mobile terminal with a camera

A service implementing method and apparatus according to an ultraviolet (UV) index in a mobile terminal provides diverse information and services according to the UV index detected by the mobile terminal having a UV sensor mounted thereon. The service implementing method and apparatus includes switching over to a UV alarm function mode when an alarm function is selected in a UV management mode, setting a predetermined time interval for informing a user of the UV index when an alarm interval is selected in the UV alarm function mode. The service implementing method and apparatus further includes setting a specified time for informing the user of the UV index when an alarm time is selected in the UV alarm function mode, and setting avatars or alarm sounds for informing the user of the UV index according to the set time when an alarm method is selected in the UV alarm function mode.

Service implementing method and apparatus based on an ultraviolet index in a mobile terminal

An apparatus and method for controlling an auto-zooming operation of a mobile terminal. The apparatus and method for controlling an auto-zooming operation of a mobile terminal can automatically adjust the size of a target subject captured by an image capture device such as a camcorder to be equal to a predetermined size irrespective of a distance between the image capture device and the target object. The apparatus and method includes the steps of a) determining whether an auto-zooming function is selected during a moving image capture mode, and determining a size ratio of a main target object to be captured when the auto-zooming function is selected; b) determining the determined main target object size ratio to be a reference ratio, and capturing the main target object; and c) determining whether a main target object size ratio of video data captured during the moving image capture mode is equal to the reference ratio, and performing a zoom-in operation or a zoom-out operation when the main target object size ratio of the captured video data is different from the reference ratio to enable the main target object size ratio that was changed during the moving image capture mode to be equal to the reference ratio.

Apparatus and method for controlling an auto-zooming operation of a mobile terminal

Radio-frequency (RF) power control circuit that facilitates establishment of RF power levels of the mobile radiophone, is disclosed. The circuit maintains constant RF power levels even if the variable resistor is displaced by vibrations and impacts caused by moving of the mobile radiophone. The circuit includes an automatic gain control circuit for amplifying the RF power of the modulated signal from a modulator by comparing the RF power control voltage and the voltage of the power amplified RF signal, first voltage source of high level, second voltage source of low level, a switching circuit for selectively outputting the first and second voltages sources according to the logic control signal of a plurality of bits generated by a logic controller under control of a cell site, and a device for producing the RF power control voltage according to the first and second voltage sources by combination of resistors each having a given value, each of the output terminals of the switching circuit being connected with one of the resistors in series, the resistors connected with the switching circuit being connected with another resistor.

Radio-frequency power control circuit of mobile radiophone

Disclosed is a circuit being capable of controlling RF-power levels without application of an additional controller to a booster module when trying to utilizing an hand-held radio telephone as a mobile radiophone for use in a vehicle. The circuit selects a correct level of RF-power output suitably corresponding to a desired mode of the mobile radiophone, in accordance with generating a plurality of bits of logic control signal. The circuit comprises a first voltage source of logic high level, second voltage source of logic low level, a switching circuit for selectively outputting the first or second voltage source through each bit of output port switched according to the first or second logic control signal, and apparatus for producing the radio-frequency power control voltage to control said radio-frequency power, by combination of resistors each having a given value according to the first and second voltage sources.

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Daegu, South Korea

Jae-Ik Jung