Patents by Inventor Seong-Do Kim
Seong-Do Kim 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: 20140354469Abstract: A pulse radar apparatus is disclosed. The pulse radar apparatus includes a pulse generation unit, a receiver unit, a synchronization unit, and a switch unit. The pulse generation unit generates a pulse based on a transmission trigger signal having a transmission pulse repetition period, and sends the pulse to a target via a transmission antenna. The synchronization unit generates the transmission trigger signal using an external reference clock, provides the transmission trigger signal to the pulse generation unit, and generates a plurality of clock signals having a time delay with respect to the transmission pulse trigger signal using the external reference clock. The switch unit selects any one clock signal from the plurality of clock signals in response to an external selection signal, and provides the selected clock signal to a receiver unit which utilizes a sampler with provided sampling clocks.Type: ApplicationFiled: May 2, 2014Publication date: December 4, 2014Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Pil-Jae PARK, Cheon-Soo KIM, Seong-Do KIM, Sung-Chul WOO
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Patent number: 8880376Abstract: An apparatus and method for identifying a human being and an animal are disclosed to properly identifying whether or not a target is a human being or an animal. The apparatus for distinguishing between a human being and an animal includes: a target stimulation unit generating a stimulation signals for selectively stimulating the senses of a human being and an animal and providing the generated stimulation signal to a target; and a target identifying unit detecting the reaction of a target to the simulation signal to identify whether or not the target is a human being or an animal.Type: GrantFiled: February 15, 2011Date of Patent: November 4, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Pil Jae Park, Hyun Kyu Yu, Seong Do Kim, Sung Chul Woo
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Publication number: 20140316022Abstract: Disclosed are an optical film and a preparation method thereof. The optical film comprises a base layer, a plurality of polymer particles disposed in the base layer, and voids formed in the base layer and enclosing the respective polymer particles, wherein the polymer particles comprise a crosslinked polymer. The optical film has uniform voids, enhanced processing and dimensional stabilities, as well as improved optical properties such as whiteness, hiding power, reflectance and the like. Thus, the optical film can be useful for a reflector sheet for a BLU of an LCD device, and the like.Type: ApplicationFiled: August 31, 2012Publication date: October 23, 2014Applicant: SKC CO., LTD.Inventors: Kweon Hyung Han, Seong Do Kim, Heon Jung Shin, Hyung Suk Pak
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Publication number: 20140169512Abstract: A direct conversion receiver includes: a high linearity mixer device including a sampler unit charge-sampling an input current according to a sampling frequency, and a buffer unit receiving an output signal from the sampler unit while having a low input impedance, amplifying the received signal, and outputting a current signal; and a filter device decimating an output signal from the mixer device and FIR-filtering the decimated signal.Type: ApplicationFiled: February 18, 2014Publication date: June 19, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Jung Woo PARK, Young Jae LEE, Hyun Kyu Yu, Byung Hun MIN, Seong Do KIM, Hoai Nam NGUYEN, Sang Gug LEE
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Patent number: 8754806Abstract: A pulse radar receiver includes a power splitter configured to split a transmit (TX) trigger signal for generating a TX pulse, a phase-locked loop (PLL) configured to receive a division ratio and the TX trigger signal split by the power splitter, and generate a sampling frequency, and a sampler configured to sample a reflected wave received through an RX antenna, according to the sampling frequency generated by the PLL. Accordingly, it is possible to provide a high distance resolution by generating a sampling frequency with a difference from a TX pulse to sample a reflected wave received through an RX antenna. Thus, it is possible to overcome a limitation in the distance resolution due to the pulse width and to measure a minute movement at a short distance. Therefore, the pulse radar receiver is applicable to high range resolution radar applications such as a living body measuring radar.Type: GrantFiled: December 9, 2011Date of Patent: June 17, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Pil Jae Park, Seong Do Kim, Sung Chul Woo, Hyun Kyu Yu
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Patent number: 8737554Abstract: Disclosed is a pulse-signal recovering device with a time-interleaving scheme. Exemplary embodiments of the present invention can improve receive performance of a radar so as to shorten pre-scanning time for roughly determining presence and absence of objects and time consumed to recover received pulse signals in the radar receiver with the sub-sampling scheme by simultaneously sensing signal levels of the received pulse signals at several positions and improve a signal to noise ratio by increasing an averaging rate with respect to the number of same received pulses.Type: GrantFiled: December 14, 2011Date of Patent: May 27, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Seong-Do Kim, Pil Jae Park, Sung Chul Woo, Hyun Kyu Yu
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Patent number: 8632865Abstract: A heat-shrinkable polyester film having a heat-shrinkage change per degree Celsius (%/° C.) along the main shrinkage direction of 1.5 to 3.0 in the range of 60° C. to 70° C., 2.5 to 3.5 in the range of 70° C. to 80° C., 1.0 to 2.0 in the range of 80° C. to 90° C., and 0.1 to 1.0 in the range of 90° C. to 100° C., has a good appearance quality after shrinkage and thus suitable for a wrapping material, particularly a label for a bottle.Type: GrantFiled: March 7, 2011Date of Patent: January 21, 2014Assignee: SKC Co., LtdInventors: Seong Do Kim, Tae Byoung Oh, Tae Houng Jeong
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Publication number: 20130274434Abstract: Disclosed is a heat-shrinkable polyester film having a heat shrinkage initiation temperature of 60° C. or lower, a glass transition temperature (Tg) of 77° C. or lower and a heat shrinkage rate of 2% or more at 60° C. which has relatively low glass transition temperature and heat shrinkage initiation temperature, and thus can be useful as a label for a high-density polyethylene (HDPE) container and the like.Type: ApplicationFiled: October 19, 2011Publication date: October 17, 2013Applicant: SKC CO., LTD.Inventors: Seong Do Kim, Taebyoung Oh
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Patent number: 8542773Abstract: A digital RF converter, a digital RF modulator, and a transmitter are provided. The digital RF converter includes a delta-sigma modulated bits (DSMB) sub-block that generates a current magnitude corresponding to least-significant n bits among input signals at a first sampling speed, a least-significant bit (LSB) sub-block that generates a current magnitude corresponding to intermediate k bits among the input signals at a second sampling speed lower than the first sampling speed, and a most-significant bit (MSB) sub block that generates a current magnitude corresponding to most-significant m bits among the inputs signals at the second sampling speed.Type: GrantFiled: December 15, 2010Date of Patent: September 24, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Hyun Kyu Yu, Jang Hong Choi, Hyun Ho Boo, Pil Jae Park, Mun Yang Park, Seong Do Kim, Sun Bo Shim, Song Cheol Hong
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Patent number: 8507057Abstract: A heat-shrinkable polyester film having a thermal shrinkage ratio of 15% or more in the longitudinal direction when treated at 100° C. for 10 seconds, a tensile strength at rupture in the longitudinal direction of 7 kgf/mm2 or more, and a difference between elongations at the hardening and yield points in the longitudinal direction of 15% or more exhibits superior properties, such as high tensile strength and crack-resistance in the longitudinal direction, suitable for labeling or shrink-wrapping containers.Type: GrantFiled: March 19, 2009Date of Patent: August 13, 2013Assignee: SKC Co., LtdInventors: Seong-Do Kim, Taehoung Jeong, Tae-Byoung Oh
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Publication number: 20130128010Abstract: A 3D camera for photographing a 3D image which can be viewed in a monoscopic manner without three-dimensional glasses by using an existing camera. The present invention provides: a device which rotates a monoscopic camera so that an image is photographed at various angles on various frames within one second by rotating the existing camera by 360 degrees toward a front subject in order to photograph the subject; and a 3D camera having an embedded device in which a lens of the camera is rotated by 360 degrees toward the front subject. Further, the present invention provides a 3D image photographing device and a 3D camera which enable free adjustment of a rotational width of the monoscopic lens and thus free adjustment of the depth of horizontal and vertical images when photographing the images, thereby solving eyestrain and dizziness which may occur when the 3D image is viewed.Type: ApplicationFiled: April 21, 2011Publication date: May 23, 2013Inventor: Seong-Do Kim
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Patent number: 8432199Abstract: Disclosed is a fractional digital phase locked loop with an analog phase error compensator. The digital phase locked loop with an analog phase error compensator can reduce excessive power consumption and power noise and transient current noise while increasing phase error detection resolution by performing fractional phase error detection and compensation through the analog phase error compensator.Type: GrantFiled: December 2, 2011Date of Patent: April 30, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Ja Yol Lee, Seong-Do Kim, Hyun Kyu Yu
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Patent number: 8344772Abstract: An all digital phase-locked loop (ADPLL) includes: a phase counter accumulating a frequency setting word value and the phase of a digitally controlled oscillator (DCO) clock and detecting a fine phase difference between a reference clock and a retimed clock; a phase detector detecting a digital phase error value compensating for a phase difference between the frequency setting word value and the DCO clock according to the fine phase difference to detect a digital phase error value; a digital loop filter filtering the digital phase error value and controlling PLL operational characteristics; a lock detector generating a lock indication signal according an output of the digital loop filter; a digitally controlled oscillator varying the frequency of the DCO clock according to the output from the digital loop filter; and a retimed clock generator generating the retimed clock by retiming the DCO clock at a low frequency.Type: GrantFiled: November 30, 2010Date of Patent: January 1, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Ja Yol Lee, Seon Ho Han, Mi Jeong Park, Jang Hong Choi, Seong Do Kim, Hyun Kyu Yu
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Publication number: 20120161832Abstract: Disclosed is a fractional digital phase locked loop with an analog phase error compensator. The digital phase locked loop with an analog phase error compensator can reduce excessive power consumption and power noise and transient current noise while increasing phase error detection resolution by performing fractional phase error detection and compensation through the analog phase error compensator.Type: ApplicationFiled: December 2, 2011Publication date: June 28, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Ja Yol Lee, Seong-Do Kim, Hyun Kyu Yu
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Publication number: 20120146852Abstract: A pulse radar receiver includes a power splitter configured to split a transmit (TX) trigger signal for generating a TX pulse, a phase-locked loop (PLL) configured to receive a division ratio and the TX trigger signal split by the power splitter, and generate a sampling frequency, and a sampler configured to sample a reflected wave received through an RX antenna, according to the sampling frequency generated by the PLL. Accordingly, it is possible to provide a high distance resolution by generating a sampling frequency with a difference from a TX pulse to sample a reflected wave received through an RX antenna. Thus, it is possible to overcome a limitation in the distance resolution due to the pulse width and to measure a minute movement at a short distance. Therefore, the pulse radar receiver is applicable to high range resolution radar applications such as a living body measuring radar.Type: ApplicationFiled: December 9, 2011Publication date: June 14, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Pil Jae Park, Seong Do Kim, Sung Chul Woo, Hyun Kyu Yu
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Publication number: 20120148002Abstract: Disclosed is a pulse-signal recovering device with a time-interleaving scheme. Exemplary embodiments of the present invention can improve receive performance of a radar so as to shorten pre-scanning time for roughly determining presence and absence of objects and time consumed to recover received pulse signals in the radar receiver with the sub-sampling scheme by simultaneously sensing signal levels of the received pulse signals at several positions and improve a signal to noise ratio by increasing an averaging rate with respect to the number of same received pulses.Type: ApplicationFiled: December 14, 2011Publication date: June 14, 2012Applicant: Electronics and Telecommunication Research InstituteInventors: Seong-Do KIM, Pil Jae Park, Sung Chul Woo, Hyun Kyu Yu
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Patent number: 8060020Abstract: An apparatus and method for removing an interference signal using a selective frequency phase converter are disclosed.Type: GrantFiled: December 1, 2009Date of Patent: November 15, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Seong Do Kim, Ja Yol Lee, Jae Hoon Shim, Hyun Kyu Yu
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Patent number: 8031009Abstract: A frequency calibration loop circuit having a pre-set frequency channel word (FCW) command value, a bit inputted to obtain a target frequency in an oscillator and a pre-set minimum division ratio n (n is a constant) of a programmable divider, includes: an oscillator adjusting an oscillation frequency of an oscillation signal according to a control value; a programmable divider dividing the oscillation signal according to a division ratio to output a divided signal; a counter counting the number of clocks of the divided signal for one cycle of a reference signal to output a count value; and a frequency detector obtaining the control value by subtracting the count value from a reference comparison value, wherein the reference comparison value is obtained by dividing a Frequency Channel Word (FCW) command value by a minimum division ratio of the programmable divider.Type: GrantFiled: October 16, 2009Date of Patent: October 4, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Byung Hun Min, Ja Yol Lee, Seong Do Kim, Cheon Soo Kim, Hyun Kyu Yu
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Publication number: 20110237759Abstract: A heat-shrinkable polyester film having a thermal shrinkage ratio of 15% or more in the longitudinal direction when treated at 100° C. for 10 seconds, a tensile strength at rupture in the longitudinal direction of 7 kgf/mm2 or more, and a difference between elongations at the hardening and yield points in the longitudinal direction of 15% or more exhibits superior properties, such as high tensile strength and crack-resistance in the longitudinal direction, suitable for labeling or shrink-wrapping containers.Type: ApplicationFiled: March 19, 2009Publication date: September 29, 2011Applicant: SKC CO., LTDInventors: Seong-Do Kim, Taehoung Jeong, Tae-Byoung Oh
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Publication number: 20110224369Abstract: A heat-shrinkable polyester film having a heat-shrinkage change per degree Celsius (%/° C.) along the main shrinkage direction of 1.5 to 3.0 in the range of 60° C. to 70° C., 2.5 to 3.5 in the range of 70° C. to 80° C., 1.0 to 2.0 in the range of 80° C. to 90° C., and 0.1 to 1.0 in the range of 90° C. to 100° C., has a good appearance quality after shrinkage and thus suitable for a wrapping material, particularly a label for a bottle.Type: ApplicationFiled: March 7, 2011Publication date: September 15, 2011Applicant: SKC CO., LTD.Inventors: Seong Do KIM, Tae Byoung OH, Tae Houng JEONG