Patents by Inventor Dong-Shin Jo
Dong-Shin 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: 11960058Abstract: An optical imaging system includes a first lens, a second lens, a third lens, and a fourth lens sequentially disposed from an object side toward an image side on an optical axis, and a reflecting member disposed closer to the object side, as compared to the first lens, and having a reflecting surface configured to change a path of light to be incident to the first to fourth lenses. The first to fourth lenses are disposed to be spaced apart from each other by a preset distance along the optical axis, and 1.3<TTL/BFL<3.5, where TTL is a distance from an object-side surface of the first lens to an imaging plane of an image sensor, and BFL is a distance from an image-side surface of the fourth lens to the imaging plane of the image sensor.Type: GrantFiled: April 13, 2023Date of Patent: April 16, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ho Sik Yoo, Dong Shin Yang, Yong Joo Jo, Sot Eum Seo
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Publication number: 20240094513Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially disposed on an optical axis from an object side toward an image side. A distance from an object-side surface of the first lens to an imaging plane of an image sensor is TTL, an overall focal length of an optical system including the first to sixth lenses is F, and TTL/F?0.83. An optical axis distance between the second lens and the third lens is D23, an optical axis distance between the third lens and the fourth lens is D34, and 2.2<D23/D34<5.4.Type: ApplicationFiled: November 29, 2023Publication date: March 21, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ju Hwa SON, Young Su JIN, Dong Shin YANG, Yong Joo JO
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Patent number: 11671076Abstract: Devices and methods for detecting and correcting duty cycles are described. An input switching unit is configured to perform at least one of an operation of outputting differential input signals as a first combination of first and second output signals and an operation of outputting the differential input signals as a second combination of the first and second output signals, according to one of a plurality of control signals. A comparator is configured to receive the first output signal through a first input terminal thereof, to receive the second output signal through a second input terminal thereof, to generate duty detection signals by comparing the signal of the first input terminal and the signal of the second input terminal according to at least another one of the plurality of control signals, and to adjust an offset of at least one of the first input terminal and the second input terminal.Type: GrantFiled: November 2, 2022Date of Patent: June 6, 2023Assignee: SK hynix Inc.Inventors: Dae Ho Yang, Kwan Su Shon, Yo Han Jeong, Dong Shin Jo
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Publication number: 20230046522Abstract: Devices and methods for detecting and correcting duty cycles are described. An input switching unit is configured to perform at least one of an operation of outputting differential input signals as a first combination of first and second output signals and an operation of outputting the differential input signals as a second combination of the first and second output signals, according to one of a plurality of control signals. A comparator is configured to receive the first output signal through a first input terminal thereof, to receive the second output signal through a second input terminal thereof, to generate duty detection signals by comparing the signal of the first input terminal and the signal of the second input terminal according to at least another one of the plurality of control signals, and to adjust an offset of at least one of the first input terminal and the second input terminal.Type: ApplicationFiled: November 2, 2022Publication date: February 16, 2023Applicant: SK hynix Inc.Inventors: Dae Ho YANG, Kwan Su SHON, Yo Han JEONG, Dong Shin JO
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Patent number: 11522529Abstract: Devices and methods for detecting and correcting duty cycles are described. An input switching unit is configured to perform at least one of an operation of outputting differential input signals as a first combination of first and second output signals and an operation of outputting the differential input signals as a second combination of the first and second output signals, according to one of a plurality of control signals. A comparator is configured to receive the first output signal through a first input terminal thereof, to receive the second output signal through a second input terminal thereof, to generate duty detection signals by comparing the signal of the first input terminal and the signal of the second input terminal according to at least another one of the plurality of control signals, and to adjust an offset of at least one of the first input terminal and the second input terminal.Type: GrantFiled: April 13, 2021Date of Patent: December 6, 2022Assignee: SK hynix Inc.Inventors: Dae Ho Yang, Kwan Su Shon, Yo Han Jeong, Dong Shin Jo
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Publication number: 20220209751Abstract: Devices and methods for detecting and correcting duty cycles are described. An input switching unit is configured to perform at least one of an operation of outputting differential input signals as a first combination of first and second output signals and an operation of outputting the differential input signals as a second combination of the first and second output signals, according to one of a plurality of control signals. A comparator is configured to receive the first output signal through a first input terminal thereof, to receive the second output signal through a second input terminal thereof, to generate duty detection signals by comparing the signal of the first input terminal and the signal of the second input terminal according to at least another one of the plurality of control signals, and to adjust an offset of at least one of the first input terminal and the second input terminal.Type: ApplicationFiled: April 13, 2021Publication date: June 30, 2022Applicant: SK hynix Inc.Inventors: Dae Ho YANG, Kwan Su SHON, Yo Han JEONG, Dong Shin JO
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Patent number: 11329641Abstract: An electronic device is provided. A buffer circuit, having improved reliability according to the present disclosure, includes a pause detector and an output signal controller. The pause detector receives an input signal and generates a pause signal which indicates whether the input signal is in a toggle state or a pause state. The output signal controller generates an output signal based on the input signal and controls a duty cycle of the output signal according to the pause signal.Type: GrantFiled: September 10, 2020Date of Patent: May 10, 2022Assignee: SK hynix Inc.Inventors: Jin Ha Hwang, Tai Sik Shin, Dong Shin Jo
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Patent number: 11276444Abstract: An electronic device is provided. A buffer circuit, performing an optimized operation according to the present disclosure, includes a pause detector, a toggle detector, and an output signal controller. The pause detector receives an input signal and generates a pause signal which indicates whether the input signal is in a pause state. The toggle detector receives the input signal and the pause signal and generates a toggle signal which indicates whether the input signal is in a toggle state. The output signal controller generates an output signal which controls input buffer circuits according to the toggle signal.Type: GrantFiled: May 17, 2021Date of Patent: March 15, 2022Assignee: SK hynix Inc.Inventors: Jin Ha Hwang, Tai Sik Shin, Dong Shin Jo
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Publication number: 20210312963Abstract: An electronic device is provided. A buffer circuit, performing an optimized operation according to the present disclosure, includes a pause detector, a toggle detector, and an output signal controller. The pause detector receives an input signal and generates a pause signal which indicates whether the input signal is in a pause state. The toggle detector receives the input signal and the pause signal and generates a toggle signal which indicates whether the input signal is in a toggle state. The output signal controller generates an output signal which controls input buffer circuits according to the toggle signal.Type: ApplicationFiled: May 17, 2021Publication date: October 7, 2021Inventors: Jin Ha HWANG, Tai Sik SHIN, Dong Shin JO
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Publication number: 20210313976Abstract: An electronic device is provided. A buffer circuit, having improved reliability according to the present disclosure, includes a pause detector and an output signal controller. The pause detector receives an input signal and generates a pause signal which indicates whether the input signal is in a toggle state or a pause state. The output signal controller generates an output signal based on the input signal and controls a duty cycle of the output signal according to the pause signal.Type: ApplicationFiled: September 10, 2020Publication date: October 7, 2021Inventors: Jin Ha HWANG, Tai Sik SHIN, Dong Shin JO
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Publication number: 20120267761Abstract: A capacitor is provided. The capacitor includes first and second electrode layers facing each other, a first conductive pattern disposed between the first and second electrode layers, the first conductive pattern forming a closed loop in plan view, a second conductive pattern disposed within an inner space surrounded by the closed loop of the first conductive pattern, the second conductive pattern being spaced from the first conductive pattern, and a first contact plug passing through the second conductive pattern to contact the first and second electrode layers.Type: ApplicationFiled: March 21, 2012Publication date: October 25, 2012Applicants: Korea Advanced Institute of Science and Technology, Electronics and Telecommunications Research InstituteInventors: Chang Sun Kim, Seong Hoon Choi, Jang Hyun Park, Seung-Tak Ryu, Ba-Ro-Saim Sung, Dong-Shin Jo
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Patent number: D959687Type: GrantFiled: March 30, 2020Date of Patent: August 2, 2022Assignee: ARTISTIC & CO., LTD.Inventors: Minjae Sung, Jin Park, Jeongseon Park, Man Jin Oh, Dong Shin Jo
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Patent number: D979782Type: GrantFiled: December 16, 2021Date of Patent: February 28, 2023Assignee: ARTISTIC & CO., GLOBAL CO., LTDInventors: Minjae Sung, Jin Park, Jeongseon Park, Man Jin Oh, Dong Shin Jo