Patents by Inventor Seok-hwan JO
Seok-hwan JO 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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Patent number: 11042489Abstract: An electronic apparatus that writes encrypted data includes a first memory; a second memory configured to update encryption information including address information indicating a write location on the first memory and a parameter for use in encryption when data is encrypted and written to the first memory, and store the updated encryption information; an encryption and decryption unit configured to encrypt the data, based on the encryption information; and a processor configured to control the encrypted data to be written to the first memory, thereby increasing a safety level.Type: GrantFiled: October 23, 2018Date of Patent: June 22, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Woo-seok Kang, Eun-kyoung Park, Seok-hwan Jo
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Patent number: 10866817Abstract: A computing system is disclosed. The computing system according to one embodiment of the present disclosure comprises: a memory device for storing an application program; a processor for executing a loader for loading data of the application program into a memory space allocated for execution of the application program; a local memory having a width corresponding to the size of a register of the processor; and a constant memory having a width smaller than that of the local memory, wherein, according to the size of constant data included in the application program, the processor loads the constant data into one of the local memory and the constant memory.Type: GrantFiled: March 14, 2016Date of Patent: December 15, 2020Assignee: SAMSUNG ELECTRONICS CO.. LTD.Inventors: Seung-won Lee, Chae-seok Im, Seok-hwan Jo, Suk-jin Kim
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Patent number: 10839827Abstract: A sound discriminating method comprises sensing a sound signal; changing the sensed sound signal into an electrical signal; and determining whether the electrical signal is a predetermined sound by analyzing the electrical signal.Type: GrantFiled: June 26, 2015Date of Patent: November 17, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Do-hyung Kim, Seok-hwan Jo, Jae-hyun Kim
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Publication number: 20190121749Abstract: An electronic apparatus that writes encrypted data includes a first memory; a second memory configured to update encryption information including address information indicating a write location on the first memory and a parameter for use in encryption when data is encrypted and written to the first memory, and store the updated encryption information; an encryption and decryption unit configured to encrypt the data, based on the encryption information; and a processor configured to control the encrypted data to be written to the first memory, thereby increasing a safety level.Type: ApplicationFiled: October 23, 2018Publication date: April 25, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Woo-seok KANG, Eun-kyoung PARK, Seok-hwan JO
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Publication number: 20190102541Abstract: An apparatus and method for defending against an unauthorized modification of a program are disclosed. The apparatus for defending against an unauthorized modification of a program may include a first processor for executing the program, and a second processor that is physically separated from the first processor and for acquiring a first variable value defined in a data definition part. The second processor compares a second variable value used in a data use part with the first variable value when the part of the program being executed by the first processor is the data use part, it may be determine whether or not the program has been modified without authorization based on a result of the comparison.Type: ApplicationFiled: September 27, 2018Publication date: April 4, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seok Hwan JO, Eun Kyoung PARK, Woo Seok KANG
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Publication number: 20190079779Abstract: A computing system is disclosed. The computing system according to one embodiment of the present disclosure comprises: a memory device for storing an application program; a processor for executing a loader for loading data of the application program into a memory space allocated for execution of the application program; a local memory having a width corresponding to the size of a register of the processor; and a constant memory having a width smaller than that of the local memory, wherein, according to the size of constant data included in the application program, the processor loads the constant data into one of the local memory and the constant memory.Type: ApplicationFiled: March 14, 2016Publication date: March 14, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung-won LEE, Chae-seok IM, Seok-hwan JO, Suk-jin KIM
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Publication number: 20180254042Abstract: An electronic device and a control method therefor are provided. The electronic device comprises: a microphone for receiving an external audio signal; an analog/digital converter (ADC) for processing the audio signal into a digital signal; a memory for storing the audio signal; and a processor for identifying whether the audio signal inputted from the microphone is a user's voice, and compressing the audio signal on the basis of the determination result so as to store the compressed audio signal in the memory, wherein the ADC and the processor can be implemented as one chip.Type: ApplicationFiled: October 23, 2015Publication date: September 6, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seok-hwan JO, Do-hyung KIM, Jae-hyun KIM
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Publication number: 20180182416Abstract: A sound discriminating method comprises sensing a sound signal; changing the sensed sound signal into an electrical signal; and determining whether the electrical signal is a predetermined sound by analyzing the electrical signal.Type: ApplicationFiled: June 26, 2015Publication date: June 28, 2018Inventors: Do-hyung KIM, Seok-hwan JO, Jae-hyun KIM
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Publication number: 20180129901Abstract: An electronic apparatus is disclosed. The electronic apparatus includes a plurality of digital signal processors and a prediction processor configured to predict a complexity of each of a plurality of operations to be processed in the plurality of digital signal processors and to distribute the plurality of operations to the plurality of digital signal processors based on the predicted complexities.Type: ApplicationFiled: July 19, 2017Publication date: May 10, 2018Inventors: Seok-hwan JO, Do-hyung KIM
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Patent number: 9883316Abstract: A method of generating a multi-channel audio signal includes: representing locations of a plurality of speakers as a plurality of polygons whose vertices are located at locations of corresponding speakers; acquiring a location of an object sound; calculating distances between the plurality of polygons and the location of the object sound; selecting one of the plurality of polygons on the basis of the calculated distances; and generating a multi-channel audio signal that corresponds to speakers corresponding to the selected polygon by mapping the object sound to the speakers corresponding to the selected polygon.Type: GrantFiled: October 16, 2014Date of Patent: January 30, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seok-hwan Jo, Do-Hyung Kim, Kang-eun Lee, Si-hwa Lee
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Patent number: 9812140Abstract: A method of performing quadrature mirror filter (QMF) synthesis filtering includes recording new samples corresponding to a current time slot at positions of samples to be discarded in a first array that includes modulated QMF sub-band samples. The method further includes extracting samples from the first array to remove aliasing between adjacent sub-bands, determining filter coefficients corresponding to the extracted samples by using modulo operation, and synthesizing a time domain sample where aliasing is removed by using the extracted samples and the filter coefficients.Type: GrantFiled: October 27, 2014Date of Patent: November 7, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kang-eun Lee, Do-hyung Kim, Chang-yong Son, Si-hwa Lee, Seok-hwan Jo
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Patent number: 9761232Abstract: A multi-decoding method, according to the present invention, comprises the steps of: receiving a plurality of bitstreams, dividing decoding modules for decoding the plurality of bitstreams according to a data amount of an instruction cache, and cross-decoding the plurality of bitstreams using each of the divided decoding modules.Type: GrantFiled: September 29, 2014Date of Patent: September 12, 2017Assignee: SAMUSNG ELECTRONICS CO., LTD.Inventors: Seok-hwan Jo, Chang-yong Son, Do-hyung Kim, Kang-eun Lee, Si-hwa Lee
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Patent number: 9495978Abstract: A method of processing a sound signal is disclosed. The method of processing a sound signal includes receiving a sound signal from the outside of a device, converting the sound signal into a first frequency domain signal, determining whether or not the sound signal is a voice signal using the first frequency domain signal acquired through the conversion, converting the first frequency domain signal into a second frequency domain signal based on the determination, and recognizing the sound signal using the second frequency domain signal acquired through the conversion.Type: GrantFiled: December 4, 2015Date of Patent: November 15, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seok-hwan Jo, Do-hyung Kim, Jae-hyun Kim, Shi-hwa Lee
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Publication number: 20160240198Abstract: A multi-decoding method, according to the present invention, comprises the steps of: receiving a plurality of bitstreams, dividing decoding modules for decoding the plurality of bitstreams according to a data amount of an instruction cache, and cross-decoding the plurality of bitstreams using each of the divided decoding modules.Type: ApplicationFiled: September 29, 2014Publication date: August 18, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seok-hwan JO, Chang-yong SON, Do-hyung Kim, Kang-aun LEE, Si-hwa LEE
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Publication number: 20160163335Abstract: A method of processing a sound signal is disclosed. The method of processing a sound signal includes receiving a sound signal from the outside of a device, converting the sound signal into a first frequency domain signal, determining whether or not the sound signal is a voice signal using the first frequency domain signal acquired through the conversion, converting the first frequency domain signal into a second frequency domain signal based on the determination, and recognizing the sound signal using the second frequency domain signal acquired through the conversion.Type: ApplicationFiled: December 4, 2015Publication date: June 9, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seok-hwan JO, Do-hyung KIM, Jae-hyun KIM, Shi-hwa LEE
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Publication number: 20150117650Abstract: A method of generating a multi-channel audio signal includes: representing locations of a plurality of speakers as a plurality of polygons whose vertices are located at locations of corresponding speakers; acquiring a location of an object sound; calculating distances between the plurality of polygons and the location of the object sound; selecting one of the plurality of polygons on the basis of the calculated distances; and generating a multi-channel audio signal that corresponds to speakers corresponding to the selected polygon by mapping the object sound to the speakers corresponding to the selected polygon.Type: ApplicationFiled: October 16, 2014Publication date: April 30, 2015Applicant: Samsung Electronics Co., Ltd.Inventors: Seok-hwan JO, Do-Hyung Kim, Kang-eun Lee, Si-hwa Lee
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Publication number: 20150120306Abstract: A method of performing quadrature mirror filter (QMF) synthesis filtering includes recording new samples corresponding to a current time slot at positions of samples to be discarded in a first array that includes modulated QMF sub-band samples. The method further includes extracting samples from the first array to remove aliasing between adjacent sub-bands, determining filter coefficients corresponding to the extracted samples by using modulo operation, and synthesizing a time domain sample where aliasing is removed by using the extracted samples and the filter coefficients.Type: ApplicationFiled: October 27, 2014Publication date: April 30, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kang-eun LEE, Do-hyung Kim, Chang-yong Son, Si-hwa Lee, Seok-hwan Jo