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公开(公告)号：US11933242B2
公开(公告)日：2024-03-19
申请号：US18146407
申请日：2022-12-26
发明人： Jae Young Lee
CPC分类号： F02D41/22 , F02D41/0055 , F02D41/0077 , F02D41/027 , G01K13/026 , G01M15/102 , G06T7/90 , G07C5/0808 , G07C5/0825 , F02D2041/228 , F02D2200/021 , G01K2205/00 , G06T2207/20084 , G06T2207/30232 , G06T2207/30252
摘要： Provided are an exhaust gas monitoring system and method for allowing a driver to monitor a state of an exhaust gas discharged from a vehicle during driving without getting out of the vehicle, thus improving convenience, and improving driving safety by diagnosing a state of an engine.
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公开(公告)号：US10088567B2
公开(公告)日：2018-10-02
申请号：US15001792
申请日：2016-01-20
发明人： Jae Young Lee
摘要： Provided are an ultrasonic sensing device and method for a vehicle, which may block ground noise and pass a signal reflected from an opponent vehicle traveling in a blind spot. The ultrasonic sensing device for the vehicle includes a band pass filter configured to filter a first input signal reflected by an object according to a predetermined first bandwidth to output a first filtering signal or filter a second input signal on which a 2N decimation operation has been performed according to a predetermined second bandwidth to output a second filtering signal, and a calculation unit configured to perform the 2N decimation operation on the first filtering signal output from the band pass filter and deliver the first filtering signal on which the 2N decimation operation has been performed to the band pass filter as the second input signal.
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公开(公告)号：US12085680B2
公开(公告)日：2024-09-10
申请号：US18146394
申请日：2022-12-26
发明人： Jae Young Lee
CPC分类号： G01S7/539 , G01S15/08 , G01S15/89 , G01S15/931 , G06T7/136 , G06T7/73 , G01S2015/932 , G01S2015/937 , G06T2207/30261
摘要： Provided are a system and a method for drive control of front ultrasonic sensors, which may automatically control a waveform output from the front ultrasonic sensor detecting the presence or absence of an obstacle in front of a vehicle to prevent the sensor from acting as an interference source for another vehicle even when the sensor is constantly driven.
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公开(公告)号：US11852723B2
公开(公告)日：2023-12-26
申请号：US17553247
申请日：2021-12-16
发明人： Jae Young Lee
IPC分类号： G01S15/93 , G06T7/73 , G01S15/931
CPC分类号： G01S15/931 , G06T7/73 , G06T2207/30264
摘要： Provided is a system for controlling a detecting distance of an ultrasonic sensor based on ground recognition. The system includes: an ultrasonic sensor provided in a vehicle and configured to, when driven, recognize an object in front of or behind the vehicle; an image capturing unit configured to capture an image of a detection area of the ultrasonic sensor; a ground type recognizer configured to recognize a ground type corresponding to the detecting area of the ultrasonic sensor using the image acquired through the image capturing unit; and a sensing threshold changer configured to, when a travelling speed of the vehicle satisfies a preset condition, change a sensing threshold of the ultrasonic sensor according to the recognized ground type.
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公开(公告)号：US09921303B2
公开(公告)日：2018-03-20
申请号：US14728394
申请日：2015-06-02
发明人： Jae Young Lee
CPC分类号： G01S7/529 , G01S7/527 , G01S15/08 , G01S15/10 , G01S15/931
摘要： Provided are an object detection apparatus and method. The object detection apparatus includes an amplifier configured to amplify a reflected ultrasonic wave signal with a variable gain, a gain controller configured to set the variable gain such that the reflected ultrasonic wave signal received in at least one predetermined time zone is amplified with a high gain, compared to in other time zones, a comparator configured to compare a signal on an envelope corresponding to the signal amplified by the amplifier with a predetermined threshold and output the signal on the envelope when the signal is greater than the threshold, a calculator configured to calculate an absolute value of a first-order differential value of the signal on the envelope, and a time at which a maximum of the absolute value of the first-order differential value is calculated, and a detector configured to detect an object using a third time, the third time being a time at which the maximum is calculated, before a second time, the second time being a time at which the signal greater than the threshold is output.
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6.发明授权Vehicle ultrasonic parking assistance apparatus including charge pumping circuit and method of operating the same 有权车载超声波停车辅助装置，包括电荷泵送电路及其操作方法公开(公告)号：US09047782B1
公开(公告)日：2015-06-02
申请号：US14087526
申请日：2013-11-22
发明人： Jae Young Lee
CPC分类号： G08G1/168 , G01S7/521 , G01S7/524 , G01S15/931 , G01S2015/932 , G11C5/145 , H02M3/07
摘要： Provided are a vehicle ultrasonic parking assistance apparatus including a charge pumping circuit and a method of operating the same. The vehicle ultrasonic parking assistance apparatus changes a transmission output voltage in a voltage driving scheme without using a transformer. By using the charge pumping circuit instead of the transformer so as to boost a voltage, the manufacturing cost is reduced, and a signal is input to the ultrasonic converter at the same voltage as a voltage of when the transformer is used. Also, the charge pumping circuit is provided at a region in which the variable current source was provided, and thus, the manufacturing cost is not additionally expended. Furthermore, since only a conversion of energy by the ultrasonic converter is considered, designing is simplified.
摘要翻译： 本发明提供一种车辆用超声波驻车辅助装置，其包括充电泵送电路及其操作方法。 车辆用超声波停车辅助装置在不使用变压器的情况下，以电压驱动方式改变发送输出电压。 通过使用电荷泵送电路来代替变压器以提高电压，降低制造成本，并且以与使用变压器的电压相同的电压将信号输入到超声波转换器。 此外，电荷泵送电路设置在设置有可变电流源的区域，因此不需要额外消耗制造成本。 此外，由于仅考虑了超声波转换器的能量转换，因此简化了设计。
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