CN103986479A - Electronic landmark device - Google Patents
Electronic landmark device Download PDFInfo
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- CN103986479A CN103986479A CN201410137093.2A CN201410137093A CN103986479A CN 103986479 A CN103986479 A CN 103986479A CN 201410137093 A CN201410137093 A CN 201410137093A CN 103986479 A CN103986479 A CN 103986479A
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- chip microcomputer
- single chip
- reference device
- terrestrial reference
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Abstract
The invention relates to an electronic landmark device. The electronic landmark device comprises a single chip microcomputer system, a FLASH erasing and writing inlet, a UART circuit, an IrDA encoding and decoding device, and a FSK wireless transmitting module. The FLASH erasing and writing inlet is connected with the single chip microcomputer system. One end of the UART circuit is connected with the single chip microcomputer system, and other end of the UART circuit is connected with one end of the IrDA encoding and decoding device. The other end of the IrDA encoding and decoding device is connected with an infrared LED. The FSK wireless transmitting module is connected with the single chip microcomputer system. According to the electronic landmark device of the invention, positioning can be realized without relying on a GPS satellite. By cooperating with electronic maps on terminal equipment, functions, such as navigation, positioning, etc., can be realized. The electronic landmark device of the invention has advantages of simple structure and low cost and is convenient to popularize and apply.
Description
Technical field
The present invention relates to a kind of electronics terrestrial reference device, belong to terrestrial reference field.
Background technology
Current terrestrial reference device, intelligent degree is inadequate.
Summary of the invention
The present invention is an electronics terrestrial reference device that relates to city, town and country geo-location.It adopts the electronics terrestrial reference device that is installed on each place, sends the geographical electronic signal in each place.Receive by electric terminal the signal that electronics terrestrial reference device sends, thereby obtain the geography information on this ground.
Different from traditional GPS navigation system, electronics terrestrial reference device of the present invention does not need to depend on gps satellite, just can realize location.Coordinate the electronic chart on terminal equipment, can realize the functions such as navigation, location.
The present invention is simple in structure, with low cost, easy to utilize.
Brief description of the drawings
By describing in more detail exemplary embodiment of the present invention with reference to accompanying drawing, above and other aspect of the present invention and advantage will become more and be readily clear of, in the accompanying drawings:
Fig. 1 is the structured flowchart of a kind of electronics terrestrial reference device of the present invention.
Embodiment
Hereinafter, now with reference to accompanying drawing, the present invention is described more fully, various embodiment shown in the drawings.But the present invention can implement in many different forms, and should not be interpreted as being confined to embodiment set forth herein.On the contrary, it will be thorough with completely providing these embodiment to make the disclosure, and scope of the present invention is conveyed to those skilled in the art fully.
Hereinafter, exemplary embodiment of the present invention is described with reference to the accompanying drawings in more detail.
With reference to accompanying drawing 1, described electronics terrestrial reference device comprises following structure:
Single Chip Microcomputer (SCM) system;
The erasable entrance of FLASH, connects described Single Chip Microcomputer (SCM) system;
UART circuit, one end connects described Single Chip Microcomputer (SCM) system, and the other end connects one end of IrDA coding decoder;
The other end of described IrDA coding decoder connects infrared LED;
FSK wireless transmitter module, connects described Single Chip Microcomputer (SCM) system.
It is arranged on the fixing place place with geographical feature in each cities and towns; It is a kind of electronic equipment, has following function: send constantly the electronic signal of the geographical location information of Location, comprise longitude and latitude or the country one belongs to's name or economize name or cities and towns name or street name or location name etc.
Send above-mentioned information with electromagnetic wave form and Infrared form; Send above-mentioned information with the digitally encoded signal of digital signal form; Above-mentioned digital signal sends with serial mode; Hanzi section-position code with standard is encoded to above-mentioned information.
With the above-mentioned information of power emission of feature, this magnitude of power is unlikely to attend the meeting greatly and affects the positioning precision of system terminal equipment.
Adopt the working method of certain interval of time interval transmission primary information, to save the antijamming capability that takies, improves system to radio channel resource.
This electronics terrestrial reference device is that employing single-chip microcomputer is the reliable operation of core devices formation, cheap electronic circuit.Write entrance by the FLASH of single-chip microcomputer and be convenient to write the different geography information in each place.
Ultrared transmitting system, adopts the communication standard of the IRDA of Infrared Data Association to design, and sends the infrared signal of geography information signal.Circuit adds IrDA standard coders integrated circuit by the serial communication UART of single-chip microcomputer and forms.
The data radio station frequency band of (228.05-231.25MHz) of electromagnetic transmitting system employing national regulation is as the operating frequency of this equipment.Modulation system adopts FSK mode, is realized by wireless transmitter module.
This electronics terrestrial reference device belongs to micropower (short distance) wireless device.
This electronics terrestrial reference device is that simplex mode (only sending information), the transmission information content are changeless communication data communication systems.Therefore can realize that circuit structure is easy, low cost product, be conducive to this electronics terrestrial reference device in the promotion and application of region on a large scale.
The foregoing is only embodiments of the invention, be not limited to the present invention.The present invention can have various suitable changes and variation.All any amendments of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (4)
1. an electronics terrestrial reference device, is characterized in that:
Described electronics terrestrial reference device comprises following structure:
Single Chip Microcomputer (SCM) system;
The erasable entrance of FLASH, connects described Single Chip Microcomputer (SCM) system;
UART circuit, one end connects described Single Chip Microcomputer (SCM) system, and the other end connects one end of IrDA coding decoder;
The other end of described IrDA coding decoder connects infrared LED;
FSK wireless transmitter module, connects described Single Chip Microcomputer (SCM) system.
2. according to a kind of electronics terrestrial reference device of claim 1, send the electronic signal of the geographical location information of Location with electromagnetic wave form and Infrared form, comprise longitude and latitude or the country one belongs to's name or economize name or cities and towns name or street name or location name etc.; Send above-mentioned information with the digitally encoded signal of digital signal form; Above-mentioned digital signal sends with serial mode; Hanzi section-position code with standard is encoded to above-mentioned information.
3. according to a kind of electronics terrestrial reference device of claim 1 or 2, with the above-mentioned information of power emission of feature, this magnitude of power is unlikely to attend the meeting greatly and affects the positioning precision of system terminal equipment.
4. according to a kind of electronics terrestrial reference device of claim 1 or 2 or 3, adopt the working method of certain interval of time interval transmission primary information, to save the antijamming capability that takies, improves system to radio channel resource.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410137093.2A CN103986479A (en) | 2014-04-08 | 2014-04-08 | Electronic landmark device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410137093.2A CN103986479A (en) | 2014-04-08 | 2014-04-08 | Electronic landmark device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103986479A true CN103986479A (en) | 2014-08-13 |
Family
ID=51278317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410137093.2A Pending CN103986479A (en) | 2014-04-08 | 2014-04-08 | Electronic landmark device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103986479A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525032A (en) * | 2015-09-10 | 2017-03-22 | 中国航空工业第六八研究所 | Chinese information display method for inertial navigation system |
| CN106533558A (en) * | 2016-11-23 | 2017-03-22 | 中国科学院自动化研究所 | Positioning method and device based on infrared communication |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070001270A1 (en) * | 2005-07-04 | 2007-01-04 | Sony Corporation | Communication board |
| CN101008670A (en) * | 2006-01-24 | 2007-08-01 | 何明伟 | Road information indicating system and method therefor |
| CN202679339U (en) * | 2012-06-29 | 2013-01-16 | 三实电器(漳州)有限公司 | Wireless transmission system of proximity switch |
-
2014
- 2014-04-08 CN CN201410137093.2A patent/CN103986479A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070001270A1 (en) * | 2005-07-04 | 2007-01-04 | Sony Corporation | Communication board |
| CN101008670A (en) * | 2006-01-24 | 2007-08-01 | 何明伟 | Road information indicating system and method therefor |
| CN202679339U (en) * | 2012-06-29 | 2013-01-16 | 三实电器(漳州)有限公司 | Wireless transmission system of proximity switch |
Non-Patent Citations (1)
| Title |
|---|
| 胡茂文等: "《支持IRDA协议UART的IP核设计》", 《微处理机》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525032A (en) * | 2015-09-10 | 2017-03-22 | 中国航空工业第六八研究所 | Chinese information display method for inertial navigation system |
| CN106533558A (en) * | 2016-11-23 | 2017-03-22 | 中国科学院自动化研究所 | Positioning method and device based on infrared communication |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140813 |