• Proceedings of the KWS Conference
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• 1997.05a
• /
• pp.121-124
• /
• 1997

• Proceedings of the KWS Conference
• /
• 1999.10a
• /
• pp.58-61
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• 1999

• Proceedings of the KWS Conference
• /
• 2000.10a
• /
• pp.21-23
• /
• 2000

• Journal of Korean Electronics
• /
• v.3 no.5
• /
• pp.73-76
• /
• 1983

• Proceedings of the KWS Conference
• /
• 1994.10a
• /
• pp.130-133
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• 1994

• Proceedings of the Korean Society of Laser Processing Conference
• /
• 2001.11a
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• pp.29-32
• /
• 2001

• Proceedings of the KWS Conference
• /
• 1995.04a
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• pp.19-22
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• 1995

• Proceedings of the KWS Conference
• /
• 2001.10a
• /
• pp.49-52
• /
• 2001

• Journal of Sensor Science and Technology
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• v.11 no.5
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• pp.255-262
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• 2002

Human retina is able to detect the edge of an object effectively. We designed a CMOS vision chip by modeling cells of the retina as hardwares involved in edge detection. There are several fluctuation factors which affect characteristics of MOSFETs during CMOS fabrication process and this effect appears as output offset of the vision chip which is composed of pixel arrays and readout circuits. The vision chip detecting edge information from input image is used for input stage of other systems. Therefore, the output offset of a vision chip determine the efficiency of the entire performance of a system. In order to eliminate the offset at the output stage, we designed a vision chip by using CDS(Correlated Double Sampling) technique. Using standard CMOS process, it is possible to integrate with other circuits. Having reliable output characteristics, this chip can be used at the input stage for many applications, like targe tracking system, fingerprint recognition system, human-friendly robot system and etc.

• The Journal of the Korea institute of electronic communication sciences
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• v.18 no.6
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• pp.1379-1386
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• 2023

In this paper, research was conducted to prevent various safety accidents that may occur from infant carriages carrying children and to make the use of infant carriages easier. In order to prevent the baby car from running without protection, a brake function is installed on the baby car wheels using a pressure sensor and a servo motor. Then, a pressure sensor and LCD are used to determine whether the seat belt is fastened to prevent the child from falling out of the baby car. In addition, it was designed to use LCD and LED to turn on a warning light when the temperature and humidity exceed a certain level, so that infants can be in a comfortable environment when using the baby car.