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Patent

In-vehicle clock synchronization with local time

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TLDR
In this paper, a time information message is received at an in-vehicle telematics unit, which monitors for a time-update trigger event and sends a message to a vehicle bus in response to the time update trigger event.
Abstract
The present invention is a system and method for providing local time to a mobile vehicle. A time information message is received at an in-vehicle telematics unit, which monitors for a time-update trigger event. A time-update message is sent from the telematics unit to a vehicle bus in response to the time-update trigger event. A computer usable medium with suitable computer program code is employed to provide local time to a mobile vehicle.

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References
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Vehicle tracking and security system incorporating simultaneous voice and data communication

TL;DR: In this paper, a system which tracks and monitors a vehicle by utilizing cellular communication componentry and global positioning system componentry is disclosed, which provides for simultaneous and continuous transmission of a voice signal and location data to a monitoring center.
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Methods and systems for concurrent receipt of incoming calls from a wide area cellular network and a private radio communications network

TL;DR: In this article, a radio communications mobile terminal supports concurrent reception of incoming calls from both a private radio communications network connected to a public switched telephone network and a wide area cellular network also connected to the PLSN.
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Real time stamping synchronization system

TL;DR: In this paper, a real-time stamp synchronization system for an automotive vehicle is presented, which includes a vehicle clock ( 52 ) that stores a current time and a collision system controller ( 54 ) is electrically coupled to the vehicle clock and the time receiver ( 50 ).
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TL;DR: In this paper, a method and system for simplifying a vehicle interface to provide local connectivity to various vehicle systems are disclosed. And the vehicle interface is simplified across many vehicle types and configurations by deploying a local wireless connection.
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TL;DR: In this article, the authors propose a method for synchronizing a time architecture of a mobile network that includes a plurality of network components, each having a time subsystem clock that is updated using a network time protocol (NTP) program.