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    • 13. 发明申请
    • GEOMAGNETIC SENSOR FOR CALIBRATING AZIMUTH BY COMPENSATING FOR AN EFFECT OF TILTING AND METHOD THEREOF
    • 用于通过对倾斜效应进行补偿来校准AZIMUTH的地磁传感器及其方法
    • US20070239401A1
    • 2007-10-11
    • US11003320
    • 2004-12-06
    • Woo-jong ChoSang-on ChoiSung-mun Cho
    • Woo-jong ChoSang-on ChoiSung-mun Cho
    • G06F19/00
    • G01C17/38
    • A geomagnetic sensor capable of calibrating an accurate azimuth even if the geomagnetic sensor is in a tilting state. The geomagnetic sensor includes a geomagnetism measuring unit, having a drive pulse generating unit for generating a pulse signal and two-axis flux gates provided in X-axis and Y-axis directions which are orthogonal to each other, for outputting voltage values of the two-axis flux gates corresponding to geomagnetism produced by the drive signal, an acceleration sensor for measuring a pitch angle and a roll angle which indicate a tilting degree of the geomagnetic sensor based on X axis and Y axis, and a control unit for calibrating the azimuth by extracting normalization factors by compensating the voltage values outputted from the geomagnetism measuring unit using the pitch angle and the roll angle measured by the acceleration sensor and normalizing the compensated voltage values using the normalization factors.
    • 即使地磁传感器处于倾斜状态,也能够校准准确的方位角的地磁传感器。 地磁传感器包括地磁测量单元,具有用于产生脉冲信号的驱动脉冲发生单元和彼此正交的沿X轴和Y轴方向设置的两轴磁通门,用于输出两个电压值 对应于由驱动信号产生的地磁的轴通量门,用于测量俯仰角的加速度传感器和表示基于X轴和Y轴的地磁传感器的倾斜度的滚动角;以及用于校准方位角的控制单元 通过使用由加速度传感器测量的俯仰角和滚角来补偿从地磁测量单元输出的电压值并通过归一化因子对补偿的电压值进行归一化来提取归一化因子。
    • 14. 发明申请
    • Portable device for indicating specific location and controlling method thereof
    • 用于指示具体位置的便携式设备及其控制方法
    • US20050004752A1
    • 2005-01-06
    • US10767469
    • 2004-01-30
    • Sang-on ChoiWoo-jong Cho
    • Sang-on ChoiWoo-jong Cho
    • G01C17/38G01C21/00G08G1/005
    • G01C17/38G01C21/00
    • Disclosed is a portable device, which has: an input unit inputted with a direction searching command for searching a direction to a specific location and with a current city information setup by a user, a geomagnetic sensor for detecting a geographical direction, a storage unit for storing information on directions between major cities of all the nations and the specific locations, a first display showing the direction to the specific location and an orientation of the portable device on a screen, and a control unit, upon transmission of the direction searching command from the input unit, for indicating the orientation of a portable device and the direction to the specific location on the first display based on the detected geographical direction from the geomagnetic sensor, and the direction information between the current city information setup through the input unit and the specific location stored in the storage unit.
    • 公开了一种便携式设备,其具有:输入单元,其输入了用于搜索到特定位置的方向的方向搜索命令以及用户设置的当前城市信息,用于检测地理方向的地磁传感器,用于检测地理方向的存储单元 存储关于所有国家的主要城市和特定位置之间的指示的信息,在从屏幕上显示方向搜索命令的方向的第一显示器,显示便携式设备在屏幕上的方向和方向以及控制单元 基于来自地磁传感器的检测到的地理方向,输入单元,用于指示便携式设备的方向和朝向第一显示器上的特定位置的方向,以及通过输入单元设置的当前城市信息和 存储在存储单元中的特定位置。
    • 15. 发明授权
    • Mobile phone having perfume spraying apparatus
    • 具有香水喷雾装置的手机
    • US07622084B2
    • 2009-11-24
    • US11229860
    • 2005-09-20
    • Woo-jong ChoSeung-wan LeeJong-hwa WonSang-on Choi
    • Woo-jong ChoSeung-wan LeeJong-hwa WonSang-on Choi
    • A61L9/00
    • B05B17/0607H04M1/0214H04M1/21H04M1/72522
    • A mobile phone including a perfume spraying apparatus, the perfume spraying apparatus including a perfume storage unit capable of storing at least one perfume type and a perfume spraying unit, wherein the perfume spraying unit includes a perfume chamber coupled to the perfume storage unit by a perfume flow path, a pressure unit to pressurize the perfume chamber, and a nozzle to spray perfume outside the mobile phone. The mobile phone may include a control unit to instruct the perfume spraying apparatus to spray perfume when a button of the mobile phone is pushed and/or when the mobile phone is called and may change a type or amount of perfume sprayed according to an increase or decrease in a user's voice volume, according to a caller, according to a user customization and/or according to a noise change in a user's surroundings.
    • 一种包括香水喷雾装置的手机,所述香水喷雾装置包括能够储存至少一种香水类型和香水喷射单元的香料储存单元,其中所述香水喷洒单元包括通过香料连接到所述香料储存单元的香料室 流路,用于对香水室进行加压的压力单元,以及喷嘴以在手机外部喷洒香水。 移动电话可以包括控制单元,用于指示当推动移动电话的按钮和/或当移动电话被呼叫时香水喷射装置喷射香水,并且可以根据增加或改变喷洒的香水的类型或量, 根据用户的定制和/或根据用户环境中的噪声变化,根据呼叫者减少用户的语音量。
    • 20. 发明授权
    • Device and method for automatically detecting a calibration termination for a geomagnetic sensor
    • 用于自动检测地磁传感器的校准终端的装置和方法
    • US06922647B2
    • 2005-07-26
    • US10682478
    • 2003-10-10
    • Woo-jong ChoSang-on Choi
    • Woo-jong ChoSang-on Choi
    • G01C17/38
    • G01C17/38
    • A device for automatically detecting a calibration termination of a geomagnetic sensor includes a detection unit for detecting signals X and Y outputted from X-axis and Y-axis coils of the geomagnetic sensor, respectively, a calculation unit for calculating slopes dX/dt and dY/dt of the signals X and Y, respectively, and the number of sign changes Nx and Ny of the slope dX/dt of the signal X and the slope dY/dt of the signal Y, respectively, a display unit for displaying the calibration termination and a calibration progress state for the geomagnetic sensor, and a control unit for outputting a driving signal to the display unit to display a state of the calibration termination based on the slope dX/dt of the signal X and the slope dY/dt of the signal Y and the number of slope sign changes Nx and Ny.
    • 用于自动检测地磁传感器的校准终止的装置包括检测单元,用于分别检测从地磁传感器的X轴和Y轴线圈输出的信号X和Y,用于计算斜率dX / dt和dY的计算单元 信号X和Y的斜率dX / dt以及信号X的斜率dX / dt的符号变化次数N×N和/或N,斜率dY 信号Y的/ dt分别表示用于显示校准终止的显示单元和地磁传感器的校准进行状态,以及控制单元,用于向显示单元输出驱动信号以显示校准终止的状态,基于 信号X的斜率dX / dt和信号Y的斜率dY / dt以及斜率符号的数量变化为N< x>和N< / sub。