TWI253030B - Vehicular speeding alert system and method thereof and method for detecting speed limit - Google Patents

Abstract

The invention relates to a vehicular speeding alert system and method thereof and method for detecting speed limit. The vehicular speeding alert system comprises a speed detector and a wireless communication device, in which the speed detector detects speed of vehicle and outputs to the wireless communication device and the wireless receiving device receives positioning information and is built in with a database storing the speed limit of road. The vehicular speeding alert method compares the received positioning information of the wireless communication device with the corresponding speed limit of road stored in the database to obtain the current speed limit, determine if current vehicle speed exceeds the speed limit, and output the alert signal when the vehicle speed is over the speed limit. Taking the advantages of this, the invention can actively output alert signal so as to inform driver to drive slowly when the driving speed exceeds the speed limit.

Description

L253〇30 V. INSTRUCTION DESCRIPTION (1) Technical Field of the Invention The present invention relates to a vehicle speed warning system and a method thereof: a road speed limiting method, in particular, a combination of communication technologies to determine the position of a vehicle And to determine whether the vehicle has speeding. ‘Previous technology nowadays mainly reduces traffic. In order to get on the road, the driver is allowed to use it. It is used by the investigator to judge whether the car is out of the signal. However, the speed of the failure or the speed of the car is limited. The number of vehicles is often caused by accidents. The speed limit of the nearby setting is received. Before receiving the overspeed, the road on the market is not receiving the direction of travel to inform the above-mentioned car, detecting the quasi-debt measurement, and there is overspeed, and And a lot of, in the car's effectiveness to deter the speeding, the ticket is generally super-speed photo speeding. Is there a driver who uses the speeding speed to determine the speed? Being punished. The vehicle owner makes the phase device phase device set to exceed the deceleration warning device. It is easy to be detected by the external sound. The sound is judged and the frequency is too fast. Because there is usually a car driving too fast, when the driver is overspeed camera and the traffic is intended to have a speed limit, the government agency is taking a speed to take a picture, and the function of the vehicle overspeed warning device is used to measure the speed of the vehicle. Signal, speed camera, and travel by i. In detecting the speeding camera's signal interference, causing the VR camera to inform the driver whether there is any current speed in front of the driver.

Page 5 1253030 V. Description of invention (2) The reason is that this study is to improve the above-mentioned lack of the above-mentioned missing inventors who feel the above-mentioned lack of "^ good" is the use of special psychological, finally proposed / design is reasonable and effective The invention. [Invention of the present invention, the system of the invention and the speed of the body movement are informed that for the remote system, the main purpose of the system is to determine the method, and to detect whether the road has a signal exceeding the road limit and the speed of the vehicle is faster than the speed of the vehicle; The speed of the speed; the speed of the speed of the storage, whether the warning of the search channel is warning, in order to achieve the law, is a search for no and when a method is used for the method, the above is made and / the limit data is greater than the signal. The operation of the upper line of the navigation line includes the purpose of the vehicle, and the present invention includes a data base of the wireless communication device, the speed limit of the corresponding storage road in the library, and the purpose of the present invention is issued to a vehicle and a packet transmission device. Receiving the fixed information at a data speed greater than the warning signal. For the purpose, the following steps are taken: mentioning <providing _ _ speed limit method can be used for the speed of the vehicle, the sister can provide the vehicle with overspeed warning when the vehicle is overtaken: a speed measuring person's Receiving positioning information, and setting up a wireless communication device and limiting the speed of the location of the road to determine that the vehicle speed is greater than the road speed limit, and providing a vehicle speeding warning, the following steps: obtaining vehicle speed information; When the speed limit of the road stored in the wireless communication device library is limited, the wireless communication device further provides a method for detecting a road limit for receiving a wireless communication device to receive a

Page 6 1253030 V. Description of the invention (3) Positioning information; and the wireless communication device compares the speed limit of the road stored in the data stored in the data. In order to make the present invention more fully understand the features and technical contents of the present invention, please refer to the following detailed description of the invention and the accompanying drawings. Embodiments Please refer to the first figure, which is a system block diagram of a preferred embodiment of the present invention. The invention relates to a vehicle overspeed warning system, which is operated by the vehicle to determine whether the vehicle has an overspeed, and includes a wireless communication device 11, a speedometer 13 and a head up display 15 , and the wireless communication device 1 1 is used. Mobile communications of different communication protocols such as GSM, pHS, CDMA

In other words, the speedometer 1 3 system can be a car computer. The wireless communication device 11 is further provided with a positioning system 丨7 to provide positioning information indicating the position of the current wireless communication device 4 at intervals (for example, 1 second), and the positioning system 丨7 can be a global positioning system (Gl). ^b^l Position System) or EOTD (Enhanced Observed Time) with two mobile phone base stations

Dif ferent) system. The wireless communication device n has built-in 2 1丄 and the storage library 2 1 stores the content as the road speed limit data protection database 21 content is maintained in the latest state: the phase is updated; the memory is updated by downloading a server Speed limit information. The database 21 update party] new roads, A 1糸 Wap push method 1253030 invention description (4) The server 19 actively provides content update to the database 2 1 , by Wap or Java communication protocol, by the servo 1 g 3, one by using the new database 2 1 content. The data is calibrated to detect the vehicle speed by the tachometer 1 3 system, and the current vehicle speed is immediately transmitted to the 1 line ^11 as every _^ door y). The heads up display 15 receives the disk signal that the wireless communication device " turns out to display a text warning signal to inform the driver that the speed has been exceeded. ^ In this embodiment, the wireless communication device is not only received by the wireless communication device, but the positioning information is compared with the speed limit of the corresponding storage node in the search database 21, so that the current wireless communication device can be immediately known. The speed limit of the road f, the wireless communication device and the vehicle speed detected by the speedometer 丨3 to determine whether the current vehicle speed is greater than the current speed, and the vehicle speed is greater than the road speed limit The warning signal is output, and the audible signal can be an audible warning signal sent by the wireless communication device, and is output by the wireless communication device 1 f to the f-display signal displayed on the head-up display 丨5. Referring to the first figure, there is shown a flow chart of a preferred embodiment I method of the present invention. Therefore, the vehicle equipped with the overspeed warning system for the vehicle of the present invention determines whether the vehicle exceeds the road speed limit, and includes the following steps: Step 3 1 · Instantly speculating the current vehicle speed by the speedometer 1 3 at intervals; -=Step 3 3 · The wireless communication device 1 1 receives the positioning system at intervals to calculate the position information of the current wireless communication device.

1253030 V. INSTRUCTIONS (5) Step 3 5: The wireless communication device 1 1 compares the positioning information to search for the speed limit of the road stored in the data repository 2 1; Step 3 7: Determine whether the vehicle speed is greater than the road speed limit? If yes, skip to step 3 9; if no, end the judgment process. Step 3 9: Output the warning signal of the overspeed and end the judgment process. The above description is only for the description of how the wireless communication device 11 judges whether or not the current vehicle speed exceeds the road speed limit. However, in step 31, in order to be able to instantly grasp the change of the traveling vehicle speed, the speedometer 13 sends the detected vehicle speed to the wireless communication device every 11/100 seconds, and in step 3, in step 3 3, the positioning system 17 is sent to the wireless communication device 1 1 every 1 second, in other words, the wireless communication device 11 compares 100 times in 1 second, whether the current vehicle speed is greater than the road speed limit, so that the driver You can always know if there is any speeding to meet the road safety regulations and increase the safety of driving. Therefore, the vehicle overspeed warning system and method thereof, and the method for detecting road speed limit have the following features: (1) The driver can be actively informed when the vehicle travel speed exceeds the road speed limit. Slow down. (2) The contents stored in the database can be updated automatically or manually, and the contents of the database are updated to maintain the latest real-time status of the road speed limit. (3) Using instant messaging to locate the current road location of the vehicle, you can quickly find the current road speed limit.

Page 9 1253030 V. INSTRUCTIONS (6) In summary, the present invention fully meets the requirements of the patent application, so the application is filed in accordance with the Patent Law. Please check and request the patent as soon as possible, and feel the virtue to protect the invention. If you have any doubts, please do not hesitate to contact us. However, the above description is only a detailed description of the preferred embodiments of the present invention, and the present invention is not limited thereto, and is not intended to limit the present invention. The scope of the patent application is subject to the scope of the present invention, and any one skilled in the art can easily include it in the field of the present invention. Any changes or modifications considered may be covered by the patents in this case below.

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Claims (1)

!ΐΐ5303Θ,φ正本1 I ______——»--^+^188 Year of the month correction*u»«P'·»» ιι—1ΜΓ- —...·— 1 ........... .......................................... "" ' n ..............................""""" Sixth, the scope of application for patents 1, a vehicle speed warning system, operating in a vehicle, comprising: a speed detector for detecting the speed of the vehicle; a positioning system providing a positioning information; a wireless communication device, receiving and positioning Information, and a built-in tribute library for storing road speed limits. The wireless communication device compares the positioning tribute to the speed limit of the road stored in the database to determine whether the vehicle speed is greater than the road speed limit. And outputting a warning signal when the vehicle speed is greater than the road speed limit; The positioning system is an EOTD (Enhanced Observed Time Different) system that is triangulated with three mobile phone base stations. 2. The vehicle overspeed warning system according to claim 1, wherein the speed measuring device is a vehicle computer. 3. The vehicle speed warning system of claim 1, wherein the data stored in the database is downloaded through the wireless communication device. 4. The vehicle overspeed warning system of claim 1, wherein the wireless communication device is a mobile phone. 5. The vehicle speed warning system according to item 1 of the patent application scope, The warning signal is output to a head-up display to display a warning signal of the text signal. 6. A method for overspeed warning of a vehicle, operating in a vehicle, comprising the steps of: obtaining the speed of the vehicle; EOTD for triangulation with three mobile phone base stations Page 12 1253030 --- Case No. 92116188__年月日日_红___ 六,Application scope (E nhanced 0 bserved T i in e D ifferent ), system acquisition / positioning information to the wireless communication device; The device compares and searches for the stored road speed limit corresponding to the positioning information in a database; and when the vehicle speed is greater than the road speed limit, the wireless communication device outputs an overspeed warning signal. 7. The overspeed warning method for a vehicle according to claim 6, wherein the wireless communication device is a mobile phone. 8. The method for overspeed warning of a vehicle according to item 6 of the patent application, wherein the data stored in the database is downloaded and updated by the wireless communication device through a server. 9. The method for overspeed warning of a vehicle according to item 8 of the patent application scope, wherein the method for updating the medium and long-distance database is to provide content update to the database by the server in a manner of ^卩push. m 1 0 , as in the vehicle speed limit warning method described in claim 8 of the patent scope, wherein the 5 hai database update mode is used by the user to download the data by the server in the form of W ap or Java communication protocol to update the data. Library content. 1 1 . The method for overspeed warning of a vehicle as described in claim 6 of the patent application, wherein the signal is a text signal. 1 2 . The method for overspeed warning of a vehicle according to claim 6 , wherein the warning signal is an audio signal. 1 3. A method for detecting a road speed limit, comprising the steps of: providing a wireless communication device to receive an EOT with a corner/C position of three mobile phone base stations!) (Enhanced Observed Time) 1253030 _ Case No. 92116188_Year a_fKi_ VI. Patent application scope D i f f e r e n t ) The system obtains a positioning information; and the wireless communication device compares and searches for the stored road speed limit corresponding to the positioning information in a database. 1 4. The method for detecting a road speed limit according to claim 13 of the patent application, wherein the wireless communication device is a mobile phone. 1 5 . The method for detecting a road speed limit according to claim 13 of the patent application, wherein the data stored in the database is downloaded and updated by the wireless communication device through a server. 1 6 . As for the detection of road speed limit as described in item 15 of the patent application scope The method, wherein the database update method is to provide content update to the database by the server in the Wap push mode. 1 . The method for detecting a road speed limit according to claim 15 , wherein the database update method is performed by a user in a W ap or Java communication protocol, and the server downloads the data to update the data. Database content. Page 14