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Vehicle-mounted GPS device

A preamplifier and casing technology, applied in the field of GPS devices, can solve problems such as inaccurate positioning, life-threatening, detours, etc., and achieve the effect of convenient use

Inactive Publication Date: 2014-04-16
CHENGDU CONETON SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the vehicle-mounted GPS is installed in a mountainous area or in a place with poor or unstable signals, its positioning will be inaccurate, and it is easy for the driver to go wrong.
Especially when you are in a mountainous area where you are not familiar with your life, this kind of inaccurate positioning will not only bring troubles such as wrong roads and detours to users, but also sometimes life-threatening

Method used

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  • Vehicle-mounted GPS device

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Embodiment

[0020] Such as figure 1 A vehicle-mounted GPS device shown includes a casing and an integrated circuit board built in the casing. The integrated circuit board includes a micro-control unit MCU, the MCU is also connected to GPS, and the GPS is also connected to a preamplifier and an antenna in turn; MCU is also connected with memory, power supply, keyboard and liquid crystal display LCD respectively. GPS and MCU are connected through a serial port. MCU is MSP430 flash series. The power supply adopts multiple alkaline batteries.

[0021] The micro-control unit MCU of the present invention adopts MSP430 flash series, and the antenna we can choose to use Toshiba antenna, or we can customize it specially. LCD is used to display data such as latitude, longitude, time, and altitude. The memory is used to store installation program information and downloaded map information. The power supply adopts multiple alkaline batteries, which is easy to use and replace. A preamplifier and an...

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Abstract

The invention discloses a vehicle-mounted GPS device. The vehicle-mounted GPS device comprises a housing and an integrated circuit plate arranged in the housing. The integrated circuit plate comprises a microcontroller unit (MCU). The MCU is connected to GPS. The GPS is connected orderly to a pre-amplifier and an antenna. The MCU is connected to a memory, a power supply, a keyboard and a liquid crystal display (LCD). The vehicle-mounted GPS device can effectively receive GPS signals in real time and realize real-time navigation in a place with weak signals.

Description

Technical field [0001] The invention relates to a GPS device, and more specifically to a vehicle-mounted GPS device capable of receiving data in real time. Background technique [0002] GPS (Global Positioning System), the global positioning system. At this stage, GPS has been widely used due to its high-precision, all-weather, high-efficiency, multi-functional, and easy-to-operate characteristics. [0003] There are many types of GPS receivers. According to the model, they are divided into geodetic, total station, timing, handheld, and integrated; according to their use, they are divided into vehicle-mounted, ship-borne, air-borne, space-borne, and missile-borne. Among them, the vehicle-mounted GPS system usually consists of a controller, a GPS and a display. The controller processes the signals received from the GPS and transmits them to the display for display to achieve the purpose of positioning. However, when the vehicle-mounted GPS is installed in a mountainous area or a p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/26G01S19/13
CPCG01C21/265G01S19/14
Inventor 陈晓琦
Owner CHENGDU CONETON SCI & TECH