CN202661936U - Hand-written data real-time display and handheld terminal system - Google Patents
Hand-written data real-time display and handheld terminal system Download PDFInfo
- Publication number
- CN202661936U CN202661936U CN2012203409929U CN201220340992U CN202661936U CN 202661936 U CN202661936 U CN 202661936U CN 2012203409929 U CN2012203409929 U CN 2012203409929U CN 201220340992 U CN201220340992 U CN 201220340992U CN 202661936 U CN202661936 U CN 202661936U
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- handheld terminal
- mcu core
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Abstract
The utility model discloses a hand-written data real-time display and handheld terminal system comprising a handheld terminal and a display terminal. The handheld terminal comprises a touch screen, a handheld terminal MCU (Microprogrammed Control Unit) core unit and a liquid crystal screen, wherein the touch screen is connected with the handheld terminal MCU core unit through a coordinate acquisition AD (Analogue-Digital) conversion circuit, and the handheld terminal MCU core unit is connected with the liquid crystal screen via a liquid crystal driver; the display terminal comprises a display terminal MCU core unit and a display screen, wherein the display terminal MCU core unit is connected with the display screen via a display driving circuit; the handheld terminal MCU core unit and the display terminal MCU core unit are in wireless communication connection; and the handheld terminal MCU core unit and the display terminal MCU core unit are in communication connection via a 24L01 wireless module of the handheld terminal and the 24L01 module of the display terminal, or via a WIFI (Wireless Fidelity) module of the handheld terminal and a WIFI module of the display terminal. The hand-written data real-time display and handheld terminal system has the advantages of being convenient for handheld operation, low in power consumption, free from wiring and convenient to use.
Description
Technical field
The utility model relates to information Perception, processing, transmission and real-time synchronization technique field, relates in particular to identification, the memory of handwriting, pattern, and the data real-time radio is transferred to real-time the demonstration and hand terminal system of hand-written data that terminal node shows.
Background technology
The data transmission of prior art is based on the PC computer hardware platforms with displaying scheme one class and combines with the operating system network communications technology, and the defective that this technical scheme exists is that power consumption is large, volume is large, is not easy to carry; Another kind ofly be based on embedded MCU wire transmission, the defective of this technical scheme is to need wiring, and cost is higher, and transmission range and ease of use are restricted.
Summary of the invention
The purpose of this utility model is exactly that power consumption is large, volume is large, the problem that is not easy to carry for data transmission and the demonstration that solves the prior art existence is used in computer hardware technique; Provide a kind of hand-written data to show in real time and hand terminal system; Have the hand-held of being convenient to, low in energy consumption, need not wiring, advantage easy to use.
To achieve these goals, the utility model adopts following technical scheme:
A kind of hand-written data shows and hand terminal system in real time, comprise handheld terminal, display terminal, described handheld terminal comprises touch-screen, handheld terminal MCU core cell, liquid crystal display, described touch-screen gathers A/D convertor circuit with handheld terminal MCU core cell by coordinate and is connected, handheld terminal MCU core cell is connected by liquid crystal drive with liquid crystal display, described display terminal comprises display terminal MCU core cell, display screen, described display terminal MCU core cell is connected by display driver circuit with display screen, and described handheld terminal MCU core cell is connected by wireless telecommunications with display terminal MCU core cell.
Described handheld terminal MCU core cell, display terminal MCU core cell connect by the 24L01 wireless module of handheld terminal, the 24L01 module communication of display end.
The 24L01 wireless module of described handheld terminal, the 24L01 wireless module of display end are connected with display terminal MCU core cell, the communication of handheld terminal MCU core cell respectively by SPI.
Described handheld terminal MCU core cell, display terminal MCU core cell connect by the WIFI module of handheld terminal, the WIFI module communication of display end.
The WIFI module of described handheld terminal, the WIFI module of display end are connected with display terminal MCU core cell, the communication of handheld terminal MCU core cell by UART respectively.
Described display terminal is provided with a plurality of.
Described MCU core cell is ATmega128MCU.
Principle of work of the present utility model: a kind of hand-written data of the utility model shows and hand terminal system in real time, comprise handheld terminal, display terminal, described handheld terminal comprises touch-screen, handheld terminal MCU core cell, liquid crystal display, described touch-screen gathers A/D convertor circuit with handheld terminal MCU core cell by coordinate and is connected, handheld terminal MCU core cell is connected by liquid crystal drive with liquid crystal display, described display terminal comprises display terminal MCU core cell, display screen, described display terminal MCU core cell is connected by display driver circuit with display screen, and described handheld terminal MCU core cell is connected by wireless telecommunications with display terminal MCU core cell.Described handheld terminal MCU core cell, display terminal MCU core cell connect by the 24L01 wireless module of handheld terminal, the 24L01 module communication of display end, perhaps connect by the WIFI module of handheld terminal, the WIFI module communication of display end.The 24L01 wireless module of described handheld terminal, the 24L01 wireless module of display end are connected with display terminal MCU core cell, the communication of handheld terminal MCU core cell respectively by SPI, and the WIFI module of described handheld terminal, the WIFI module of display end are connected with display terminal MCU core cell, the communication of handheld terminal MCU core cell by UART respectively., adopt to be operated in the 24L01 module of 2.4Ghz channel or the sending and receiving that the Wifi module is finished steering order, data message as acp chip with ATmega128MCU.By the analog to digital conversion between touch-screen and the MCU, ATMEGA128MCU Real time identification touch screen hand-writing input message; ATMEGA128MCU and 24L01 adopt the SPI communication mode, adopt serial communication mode with Wifi, and read-write sequence is set, and finish read-write, transmission to chip controls instruction and data message; Adopt 50 Ω external antennas to strengthen transmission range and the ability through walls of signal; Handheld terminal and display terminal adopt and reply design, can independently control single display terminal, also a plurality of display terminals of control capable of being combined; Adopt 24C02E2PROM as extending out storage unit, realize centralizing switch control.
The beneficial effects of the utility model:
1. long distance wireless real-time Transmission and the demonstration of handwriting, pattern have been realized; The low error rate of data transmission, good reliability.
2. adopting ATMEGA128MCU is kernel control chip, makes things convenient for the product software upgrading, and implementation is more flexible, and the wireless switchgear nodes is easy to expand.
Description of drawings
Fig. 1 is structural representation of the present invention;
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
A kind of hand-written data shows and hand terminal system in real time, comprise handheld terminal, display terminal, described handheld terminal comprises touch-screen, handheld terminal MCU core cell, liquid crystal display, described touch-screen gathers A/D convertor circuit with handheld terminal MCU core cell by coordinate and is connected, handheld terminal MCU core cell is connected by liquid crystal drive with liquid crystal display, described display terminal comprises display terminal MCU core cell, display screen, described display terminal MCU core cell is connected by display driver circuit with display screen, and described handheld terminal MCU core cell is connected by wireless telecommunications with display terminal MCU core cell.Described handheld terminal MCU core cell, display terminal MCU core cell connect by the 24L01 wireless module of handheld terminal, the 24L01 module communication of display end.The 24L01 wireless module of described handheld terminal, the 24L01 wireless module of display end are connected with display terminal MCU core cell, the communication of handheld terminal MCU core cell respectively by SPI, described handheld terminal MCU core cell, display terminal MCU core cell connect by the WIFI module of handheld terminal, the WIFI module communication of display end, and the WIFI module of described handheld terminal, the WIFI module of display end are connected with display terminal MCU core cell, the communication of handheld terminal MCU core cell by UART respectively.Described display terminal is provided with a plurality of; Described MCU core cell is ATmega128MCU.
Although above-mentionedly by reference to the accompanying drawings the embodiment of utility model is described; but be not the restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (7)
1. a hand-written data shows and hand terminal system in real time, comprise handheld terminal, display terminal, it is characterized in that, described handheld terminal comprises touch-screen, handheld terminal MCU core cell, liquid crystal display, described touch-screen gathers A/D convertor circuit with handheld terminal MCU core cell by coordinate and is connected, handheld terminal MCU core cell is connected by liquid crystal drive with liquid crystal display, described display terminal comprises display terminal MCU core cell, display screen, described display terminal MCU core cell is connected by display driver circuit with display screen, and described handheld terminal MCU core cell is connected by wireless telecommunications with display terminal MCU core cell.
2. hand-written data as claimed in claim 1 shows and hand terminal system in real time, it is characterized in that, described handheld terminal MCU core cell, display terminal MCU core cell connect by the 24L01 wireless module of handheld terminal, the 24L01 module communication of display end.
3. hand-written data as claimed in claim 2 shows and hand terminal system in real time, it is characterized in that the 24L01 wireless module of described handheld terminal, the 24L01 wireless module of display end are connected with display terminal MCU core cell, the communication of handheld terminal MCU core cell respectively by SPI.
4. hand-written data as claimed in claim 1 shows and hand terminal system in real time, it is characterized in that, described handheld terminal MCU core cell, display terminal MCU core cell connect by the WIFI module of handheld terminal, the WIFI module communication of display end.
5. hand-written data as claimed in claim 4 shows and hand terminal system in real time, it is characterized in that the WIFI module of described handheld terminal, the WIFI module of display end are connected with display terminal MCU core cell, the communication of handheld terminal MCU core cell by UART respectively.
6. hand-written data as claimed in claim 1 shows and hand terminal system in real time, it is characterized in that described display terminal is provided with a plurality of.
7. hand-written data as claimed in claim 1 shows and hand terminal system in real time, it is characterized in that described MCU core cell is ATmega128MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203409929U CN202661936U (en) | 2012-07-13 | 2012-07-13 | Hand-written data real-time display and handheld terminal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203409929U CN202661936U (en) | 2012-07-13 | 2012-07-13 | Hand-written data real-time display and handheld terminal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202661936U true CN202661936U (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203409929U Expired - Fee Related CN202661936U (en) | 2012-07-13 | 2012-07-13 | Hand-written data real-time display and handheld terminal system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202661936U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226454A (en) * | 2013-03-28 | 2013-07-31 | 华中科技大学 | Method and system for achieving multiscreen display |
| CN105259983A (en) * | 2015-10-15 | 2016-01-20 | 珠海格力电器股份有限公司 | Wireless operation display terminal |
-
2012
- 2012-07-13 CN CN2012203409929U patent/CN202661936U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226454A (en) * | 2013-03-28 | 2013-07-31 | 华中科技大学 | Method and system for achieving multiscreen display |
| CN103226454B (en) * | 2013-03-28 | 2016-01-13 | 华中科技大学 | A kind of method and system realizing multihead display |
| CN105259983A (en) * | 2015-10-15 | 2016-01-20 | 珠海格力电器股份有限公司 | Wireless operation display terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20130713 |