Patent
Time device time calibration method for vehicle device
Lyu Xiang,Liang Youchao,Shi Fu +2 more
- 24 Apr 2018
TL;DR: In this paper, an inner RTC and an outer RTC are employed for synchronous timing and the combination of a server and a GPS time calibration method can provide uninterrupted clock support for the vehicle device.
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Abstract: The invention discloses a time device time calibration method for a vehicle device According to the invention, an inner RTC and an outer RTC are employed for synchronous timing and the combination ofa server and a GPS time calibration method can provide uninterrupted clock support for the vehicle device All applications acquire current time through the inner RTC, so that time consumption due toclock communication between a CPU and the external RTC is reduced substantially and the working efficiency is improved substantially
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Byeng Sang Jung
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TL;DR: In this article, a low power driving method was proposed, which includes receiving a signal for a sub control module from a main control module when an electronic device enters low power mode; and transmitting display data to a display driving module in response to the signal.
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Liu Jun,Sun Hongwei +1 more
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TL;DR: In this paper, a local clock calibrating method and vehicle-mounted equipment is presented. But the localization of the GPS positioning information is not discussed in this paper, instead, the authors focus on calibrating the local clock on the basis of the global positioning system (GPS) positioning information of a vehicle.
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Patent
Time correcting method of car-mounted terminal system
Chen Ting,Ye Deyan,Lai Rongdong,Li Jiyong,Chen Yufei +4 more
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TL;DR: In this paper, a car-mounted terminal system consisting of a timing module, a microprocessor, a satellite positioning module and a communication module is used to correct the time of a car mounted terminal.
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Patent
Device and method for updating vehicle-mounted clock
Yang Jiang,Dongliang Qing,Jin Xu,Chao Xie +3 more
- 29 Jul 2015
TL;DR: In this paper, a device for updating a vehicle-mounted clock consisting of a clock signal generating module and a signal processing module is presented, and a correction value is calculated according to the correction factor and the time period between the current update and the last update when network update conditions are judged not to be satisfied.
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Patent
On-board terminal time recording system and on-board terminal time recording method
Zeng Zhe,Long Jieqiang,Yang Kai,Xia Minmin,Yuan Hai +4 more
- 07 Nov 2017
TL;DR: In this paper, an on-board terminal time recording system consisting of an acquisition module, a timing module and a time correction module is proposed to correct the real-time clock.
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