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Title:
VEHICLE SPEED CALCULATION METHOD AND DEVICE, AND DRIVER'S STATE-MONITORING SYSTEM PROVIDED WITH VEHICLE SPEED CALCULATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/034365
Kind Code:
A1
Abstract:
A vehicle speed calculation method and device, and a driver's state-monitoring system provided with the vehicle speed calculation device are disclosed. The vehicle speed calculation device comprises: a signal determination unit which receives, via a UART port and a GPIO port, source data inputted from a source data generation device connected to an input socket, carries out a validity check on the two types of source data respectively received via the UART port and the GPIO port, determines any one of the source data as valid source data, and then outputs signal type information, generated so as to correspond to the valid source data, and the valid source data; and a vehicle speed calculation unit for receiving the inputs of the signal type information and the valid source data, and generating speed vehicle information corresponding to a vehicle speed calculated by processing the valid source data according to a predetermined processing method such that the valid source data corresponds to the signal type information.

Inventors:
YOON HAN NOH (KR)
Application Number:
PCT/KR2016/009094
Publication Date:
February 22, 2018
Filing Date:
August 18, 2016
Export Citation:
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Assignee:
MTEK VISION CO LTD (KR)
International Classes:
B60W40/105; B60K28/02; B60W40/08
Foreign References:
JP2014113904A2014-06-26
CN202229766U2012-05-23
JPH11218425A1999-08-10
KR19990055652A1999-07-15
KR20060120733A2006-11-28
Attorney, Agent or Firm:
HAN, Sang Chun (KR)
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