Patents by Inventor Woo-jong Cho
Woo-jong Cho has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20120082447Abstract: A light path adjustment apparatus includes a support plate that has a first through hole through which light passes and optical units that move between an open location where the first through hole is opened by the optical units moving toward an outside of the first through hole and a closing location where the first through hole is divided into a plurality of regions by the plurality of optical units moving toward the first through hole. The optical units block at least a part of the light in the closing location.Type: ApplicationFiled: June 1, 2011Publication date: April 5, 2012Applicant: Samsung Electronics Co., Ltd.Inventors: Ki-oh Jung, Cheol-eun Jang, Sung-wook Choi, Woo-jong Cho
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Patent number: 8106884Abstract: A pointing input device and method, a pointer control device and method, and an image pattern generation device and method which move a mouse pointer displayed in a display region according to the movement of a location pointed at by the pointing input device. The pointing input device includes an image reception unit capturing an image pattern, which is displayed in a display region of a perceived size and based on which the scope of the display region is sensed, and sensing the scope of the image pattern; a coordinate extraction unit extracting coordinates of a location pointed at in the display region based on a center of the sensed scope of the image pattern; and a transmission unit transmitting the extracted coordinates to a pointer control device which controls a mouse pointer displayed in the display region.Type: GrantFiled: February 27, 2007Date of Patent: January 31, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Dong-kyung Nam, Ho-joon Yoo, Woo-jong Cho, Moon-sik Jeong, Chang-su Kim, Sun-gi Hong, Yong-gook Park, Jung-hyun Shim
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Publication number: 20110221917Abstract: An apparatus for processing an image, including: a body; a lens module disposed on the body; and a control ring disposed on the lens module, wherein the control ring is configured to change a setting value of a setting item.Type: ApplicationFiled: October 26, 2010Publication date: September 15, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Woo-jong Cho, Young-bae Kim, Se-hyun Park, Ja-yong Koo, Mun-cheol Choi, Yun-ho Lee
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Publication number: 20110221305Abstract: A piezoelectric motor including a base member; a stator disposed on the base member and comprising at least one piezoelectric element; a rotor configured to rotate by a wave motion of the stator, the wave motion being generated by the piezoelectric element; a cover member attached to the base member; a bearing arranged between the cover member and the rotor; and an elastic member configured to press the rotor toward the stator.Type: ApplicationFiled: March 3, 2011Publication date: September 15, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Chan-young Moon, Woo-jong Cho, Mun-cheol Choi, Du-seung Oh, Dong-eui Shin
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Publication number: 20110210646Abstract: A piezoelectric motor includes a piezoelectric element; a stator comprising a first surface and a second surface, wherein the piezoelectric element is disposed on the first surface and a plurality of projections are formed on the second surface; a rotor comprising an operating portion that contacts the plurality of projections and that rotates via waves of the stator generated by the piezoelectric element, wherein a part of each of the plurality of projections that contacts the operating portion comprises a curved contact portion.Type: ApplicationFiled: February 24, 2011Publication date: September 1, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Woo-jong Cho, Mun-cheol Choi, Chan-young Moon, Dong-eui Shin
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Patent number: 7965931Abstract: A system and method of correcting a light pathway is provided. A system for correcting a light pathway, the system including: a light pathway change amount measurement unit to measure a light pathway change amount using a movement amount of an image when a light pathway of incident light is changed due to shaking of a camera; and a curved prism driving unit to drive a curved prism, composed of a refraction surface, based on a light pathway correction amount determined by the light pathway change amount.Type: GrantFiled: February 26, 2008Date of Patent: June 21, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Woo Jong Cho, Sung Mun Cho, Seong Deok Lee
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Publication number: 20110133602Abstract: Provided is a piezoelectric motor including: a stator which includes first and second faces, wherein a plurality of piezoelectric elements are arranged on the first face, and a plurality of protrusions are formed on the second face; a rotor which is rotated by motions of waves of the stator generated by the piezoelectric elements; and a driver device which applies driving voltages to the piezoelectric elements, wherein polarization directions of the plurality of piezoelectric elements are vertical to a rotary face of the rotor.Type: ApplicationFiled: November 30, 2010Publication date: June 9, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Chan-young Moon, Woo-jong Cho, Mun-cheol Choi, Cheol-eun Jang
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Patent number: 7706677Abstract: A mobile communication terminal device, capable of implementing large screen and displaying stereoscopic images, includes: a first case and a second case; a first and a second display part mounted on the first case and the second case, respectively; lens modules mounted in front of the first and second display parts for producing virtual images for images of the first and second display parts; and a rotation member for rotating the first case and the second case on the same rotation axis. The mobile communication terminal device further includes: a first case and a second case; a rotation member for rotating the first case and the second case on the same rotation axis; and a viewfinder unit mounted on one side of at least one of the first case and the second case.Type: GrantFiled: January 4, 2006Date of Patent: April 27, 2010Assignee: Samsung Electro-Mechanics Co., LtdInventors: Woo-jong Cho, Won-jin Sunu, Sang-on Choi, Woo-jong Lee
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Patent number: 7622084Abstract: 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.Type: GrantFiled: September 20, 2005Date of Patent: November 24, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Woo-jong Cho, Seung-wan Lee, Jong-hwa Won, Sang-on Choi
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Publication number: 20090185755Abstract: An apparatus for and a method of removing a moire pattern of a digital imaging device are provided. It is determined whether or not a moire pattern is created based on an image frequency of a preview image and a spatial frequency of an image sensor, and when it is determined that a moire pattern is generated, an optical path of light incident to an image sensor is slightly changed to remove the moire pattern. Accordingly, image quality deterioration can be improved, and a problem of unnecessary filtering that causes deterioration of resolution even when there is no moire pattern can be enhanced.Type: ApplicationFiled: April 16, 2008Publication date: July 23, 2009Applicant: Samsung electronics Co., Ltd.Inventors: Woo-jong Cho, Seong-deok Lee, Mun-cheol Choi, Moon-sik Jeong, Jung-bum Seo
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Publication number: 20090067051Abstract: A system and method of correcting a light pathway is provided. A system for correcting a light pathway, the system including: a light pathway change amount measurement unit to measure a light pathway change amount using a movement amount of an image when a light pathway of incident light is changed due to shaking of a camera; and a curved prism driving unit to drive a curved prism, composed of a refraction surface, based on a light pathway correction amount determined by the light pathway change amount.Type: ApplicationFiled: February 26, 2008Publication date: March 12, 2009Applicant: Samsung Electronics Co., Ltd.Inventors: Woo Jong CHO, Sung Mun Cho, Seong Deok Lee
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Patent number: 7486323Abstract: A video pick device for displaying a menu in a fixed position regardless of its rotation state. The photographing device comprises a geomagnetic sensor for detecting a predetermined output value corresponding to a geomagnetism; a display unit for displaying a predetermined menu through a display panel; and a control unit for checking the output value detected by the geomagnetic sensor to determine a pickup position, and controlling the display unit to have a display state of the menu changed in response to the determined pickup position. Accordingly, the menu display state on the display panel is changed in response to respective pickup positions to be displayed with the same form in a fixed direction with respect to the surface of the earth.Type: GrantFiled: February 28, 2005Date of Patent: February 3, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Woo-jong Lee, Sang-on Choi, Woo-jong Cho
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Patent number: 7450839Abstract: A photographing device supporting a panoramic imaging includes an image capture section for photographing a subject and outputting image data representing the subject, a sensor module for computing and outputting an azimuth of a photographing direction toward the subject, an image processor for creating a panoramic image by combining a plurality of image data captured at the image capture section, an output section for displaying a message using a display, and a controller for controlling the output section to set a target azimuth corresponding to an azimuth at an image capture and to adjust a photographing direction to the target azimuth when one of the plurality of the image data is captured. Thus, after photographing the subject in various angles while precisely controlling the photographing direction, the panoramic image can be created by combining the captured images.Type: GrantFiled: August 22, 2005Date of Patent: November 11, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Woo-jong Lee, Sang-on Choi, Woo-jong Cho, Jong-hwa Won
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Patent number: 7444214Abstract: An obstacle detection apparatus and method which can detect the state of an obstacle according to a signal generated when the obstacle detection apparatus collides with the obstacle and a change in the posture of the obstacle detection apparatus caused due to the collision with the obstacle. The obstacle detection apparatus includes a main body which can be moved along the surface of the ground, a movement amount determination module which determines whether the amount of movement of the main body is outside a predefined threshold range, a posture determination module which determines the changed posture of the main body with respect to the surface of the ground according to the amount of movement of the main body, and a state determination module which determines the state of an obstacle based on the results of determination of the movement amount determination module or the posture determination module.Type: GrantFiled: December 7, 2006Date of Patent: October 28, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Woo-jong Cho, Dong-yoon Kim, Seong-il Cho, Sung-mun Cho
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Publication number: 20080129831Abstract: Provided is an apparatus and a method for correcting a shake of an image photographing device, which enables miniaturization and thin-shaping of the image photographing device, and yet can implement an anti-shake function. This apparatus includes a shake sensing unit sensing the shake of the image photographing device which photographs an image of a subject, a first optical path changing unit changing an optical path of light incident to the image photographing device, an angle adjusting unit adjusting an angle of an light-incident surface of the first optical path changing unit according to the sensed shake, and an image generating unit generating the image of the subject through the light, the optical path of which has been changed by the first optical path changing unit.Type: ApplicationFiled: November 16, 2007Publication date: June 5, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Woo-jong Cho, Mun-cheol Choi, Sang-on Choi, Seong-deok Lee
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Publication number: 20080112651Abstract: A high dynamic range image sensor and a method and medium for measuring charges in a pixel are provided. The high dynamic range image sensor includes a sensor that resets a predetermined pixel when the pixel has reached a saturation level, a storage unit that stores the number of times the pixel has been reset, and a measurement unit that measures the quantity of light received in the pixel using the number of times the pixel has been reset, which is simply referred to as the number of resets, and the quantity of charges remaining after the pixel is finally reset.Type: ApplicationFiled: September 11, 2007Publication date: May 15, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Woo-jong Cho, Seong-deok Lee, Sang-on Choi, Mun-cheol Choi, Hyun-chul Song
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Publication number: 20080108329Abstract: The present invention relates to a mobile terminal having a terrestrial magnetic sensor and a method and medium for controlling a mobile terminal. The mobile terminal compares a reference offset value of the terrestrial magnetic sensor and an offset value of the terrestrial magnetic sensor that is measured when the mobile terminal is being used, controls switching of an operation mode of the mobile terminal into a first safe mode on the basis of the comparison result. Further, the mobile terminal compares a reference signal variation of the terrestrial magnetic sensor and a terrestrial magnetic signal variation measured when the mobile terminal is being used, and controls switching of the operation mode of the mobile terminal into a second safe mode on the basis of the comparison result.Type: ApplicationFiled: September 12, 2007Publication date: May 8, 2008Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung-mun Cho, Sang-on Choi, Woo-jong Cho
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Publication number: 20080104119Abstract: There is provided an apparatus and method of managing an image file. An apparatus to manage an image file includes a sensor unit measuring at least one of the positions, directions, and angles of image files of objects that are captured, an extracting unit extracting at least one of information on locations where the image files of the objects are captured and information on the captured objects, in which the information corresponds to the measured information and a classifying unit giving names to the captured image files by using the extracted information.Type: ApplicationFiled: September 12, 2007Publication date: May 1, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Woo-jong Cho, Sang-on Choi, Mun-cheol Choi
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Patent number: 7337549Abstract: An input device using a geomagnetic sensor includes a geomagnetic sensor outputting a voltage corresponding to geomagnetism, and a control part calculating an azimuth using the voltage output from the geomagnetic sensor and calculating the rotation angle by comparing the azimuth to a previously measured azimuth, thereby generating the input signal corresponding to the rotation angle when the input device is tilted within a certain range. Accordingly, unwanted generation of the input signal is prevented when the input device is tilted by more than a certain angle.Type: GrantFiled: January 5, 2005Date of Patent: March 4, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Woo-jong Cho, Sang-on Choi
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Publication number: 20070290998Abstract: A display device for displaying a cursor according to motion of an input device is provided. The input device comprises an input part which receives pitch angle information and yaw angle information corresponding to motion of an external input device; a computation part which computes a first relative angle corresponding to the information of the pitch angle and a second relative angle corresponding to the information of the yaw angle; a coordinate calculator which calculates a cursor coordinate value which gradually varies according to the changes of the first and second relative angles; and a display which displays a cursor on a position corresponding to the calculated cursor coordinate value. Thus, it is possible to avoid trembling of the cursor caused by noise.Type: ApplicationFiled: December 28, 2006Publication date: December 20, 2007Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Mun-cheol Choi, Sang-on Choi, Woo-jong Cho