CN202102339U - Handheld information terminal with integration of a plurality of communication means - Google Patents
Handheld information terminal with integration of a plurality of communication means Download PDFInfo
- Publication number
- CN202102339U CN202102339U CN2011201893227U CN201120189322U CN202102339U CN 202102339 U CN202102339 U CN 202102339U CN 2011201893227 U CN2011201893227 U CN 2011201893227U CN 201120189322 U CN201120189322 U CN 201120189322U CN 202102339 U CN202102339 U CN 202102339U
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- information terminal
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Abstract
The utility model provides a handheld information terminal with the integration of a plurality of communication means and belongs to the computer field. The terminal comprises a processor and also comprises a NANDFLASH storage, a NORFLASH storage, a synchronous dynamic storage, an input/output interface, a display interface and an extended function module; the NANDFLASH storage, the NORFLASH storage and the synchronous dynamic storage are respectively connected with the processor, and the extended function module is connected with the processor by the input/output interface and the display interface respectively. Compared with the prior art, the terminal has the characteristics of reasonable design, high expansibility, strong anti-interference capability and the like and realizes the GPS (global position system) positioning function.
Description
Technical field
The utility model relates to a kind of computing machine, specifically a kind of hand-held information terminal of integrated multiple means of communication.
Background technology
Along with microelectric technique and fast development of computer technology, hand-held information terminal in the application of all trades and professions more and more widely.Civilian portable industrial computer, notebook, palm PC etc. can't satisfy various complicated rugged environment requirements, such as all existing fatal defective at aspects such as the adaptive faculty of temperature, anti-vibration impact resistance, Electromagnetic Compatibilities.
Summary of the invention
The technical assignment of the utility model is the deficiency to prior art, and a kind of hand-held information terminal of integrated multiple means of communication reasonable in design, simple in structure is provided.
The utility model solves the technical scheme that its technical matters adopted: comprise processor; Also comprise NAND FLASH storer, NOR FLASH storer, synchronous dynamic random access memory, IO interface, display interface and extended function module; NAND FLASH storer, NOR FLASH storer are connected with processor respectively with synchronous dynamic random access memory, and extended function module is connected with processor through IO interface, display interface respectively.
Extended function module comprises audio-frequency module, matrix keyboard module, serial port module, power module, CDMA module, charging module, CF card module, PCMCIA module and USB module; Serial port module is connected with processor through display interface with the USB module; Audio-frequency module, matrix keyboard module, power module, CDMA module, charging module, CF card module, PCMCIA module are connected with processor through IO interface.
Display interface is connected with processor through bus driver, graphics controller, ethernet controller respectively.
Terminal inner is provided with digital transmission module, GPS module and radio interface.
In order to overcome many defectives of civilian hand, commercial hand-held information terminal; The utility model hand-held information terminal all carries out the processing of environmental adaptation and electromagnetic compatibility to circuit board and structure; Make equipment have stronger environmental suitability, powerful, mobility strong, low in energy consumption, characteristics such as size is little, easy to carry, dependable performance, compact conformation; Be particularly suitable under rugged surroundings, the unit that requires for special dispatch control provides integrated service work such as location, communication and time service.
The technical matters that solves: the utility model hand-held information terminal mainly solved civilian PDA do not have positioning system, number of support do not pass on Gong can, can't connect the bad shortcoming of radio station, adaptive capacity to environment and Electro Magnetic Compatibility; Real-time follow-up location, data transmission have been realized; Reliability is high, normal and stable work under rugged environment, and these can be widely used in time service and navigator fix field.
A. hand-held information terminal navigator fix OEM module adopts the signal emissive ability with high sensitivity signal capturing ability, stability and high efficiency rate, realizes the real-time follow-up of 12 passage gps signals is handled.The power supply of support wide power, low in energy consumption.The design of employing full-shield has good electromagnetic compatibility characteristic and anti shock and vibration characteristic.
B. native system possesses radio interface, and the radio station can be operated the radio station through the SLIP agreement after inserting, and frequency parameter, power grade and working method are set; Simultaneously can the radio station parameter that preset in the hand-held information terminal be injected the radio station, accomplish characteristics such as easy to operate, quick, security height.
C. circuit board has been carried out thermal design, filtering, three anti-designs, adopted the high brightness liquid crystal display, and in board design, realized high bright Presentation Function, displaying contents is visual under high light.
D. adopted vibration isolation cushion technique and electromangnetic spectrum on the structure, according to the working environment of hand-held information terminal, existing wideband vibration has the impact of certain intensity again, and this machine through comprehensively comparing, adopts the damping shock absorption technology to the restriction of volume weight in addition.Housing adopts magnesium-aluminium alloy material, and increases protective coating, has guaranteed that chemical erosion does not take place under salt mist environment hand-held information terminal, adopts the incorporate version of sealing simultaneously, avoids moisture, salt fog, sand and dust to invade interior.The electromagnetic compatibility shielding design mainly is to guarantee that complete machine has good Electro Magnetic Compatibility, makes it to have the anti-electromagnetic impact performance of Tempest.
The utility model compared with prior art, the beneficial effect that is produced is:
1, realizes the GPS positioning function effectively, and had the signal emissive ability of high sensitivity signal capturing ability, stability and high efficiency rate;
2, support that the radio station is inserted, data-transformation facility, have stronger antijamming capability;
3, system possesses multiple interfaces, such as USB mouth, serial ports, has strengthened the extendability of complete machine;
4, have characteristics such as wide temperature, three is prevented, electromagnetic compatibility, anti-vibrating and impact, Gao Liang, low-power consumption.
Description of drawings
Accompanying drawing 1 is the system chart of the utility model;
Accompanying drawing 2 is function distribution plans of this practical information.
Embodiment
Below in conjunction with accompanying drawing the utility model is done following the detailed description.
Shown in accompanying drawing 1; The hand-held information terminal of a kind of integrated multiple means of communication of the utility model; Its structure comprises processor; Also comprise NAND FLASH storer, NOR FLASH storer, synchronous dynamic random access memory, IO interface, display interface and extended function module, NAND FLASH storer, NOR FLASH storer are connected with processor respectively with synchronous dynamic random access memory, and extended function module is connected with processor through IO interface, display interface respectively.
Extended function module comprises audio-frequency module, matrix keyboard module, serial port module, power module, CDMA module, charging module, CF card module, PCMCIA module and USB module; Serial port module is connected with processor through display interface with the USB module; Audio-frequency module, matrix keyboard module, power module, CDMA module, charging module, CF card module, PCMCIA module are connected with processor through IO interface.
Display interface is connected with processor through bus driver, graphics controller, ethernet controller respectively.
Terminal inner is provided with digital transmission module, GPS module and radio interface.
This hand-held information terminal is based on Intel Xscale PXA270 processor, also comprises NOR FLASH, 128MB synchronous dynamic random access memory (SDRAM), various IO interface, display interface of NAND FLASH and the 64MB of 1GB etc.; The functional module that expands connects CPU through IO interface, mainly comprises audio-frequency function, matrix keyboard function, the design of RS232 serial ports, power supply function design, the design of CDMA function, charge function design, the design of CF card function, the design of USB function etc.Functions such as display control circuit, USB controller (USB), PCMCIA, CF controller have been realized;
The power module design has realized that wide voltage transitions becomes required 5V of nucleus module and 3.3V voltage, supplies system's normal and stable work.The built-in 3.7V poly-lithium battery of hand-held information terminal, when no external power supply, power module converts wide pressure to system required WV.When connecting external power supply, if the lithium battery quantity not sufficient is then given lithium cell charging.After the start, external power supply is supplied power to system.
Fig. 2 is a hand-held information terminal function distribution plan, and digital transmission module is integrated into terminal inner, when countless biographies are transmitted, is in low-power consumption mode, has reduced Overall Power Consumption; The built-in complete machine of GPS module is guided to the complete machine outside with gps antenna, needs GPS when location, conveniently plugs, can effective less complete machine size, be convenient for carrying.The radio station size is bigger, and complete machine has been reserved radio interface, can insert various radio station easily, and real-time carries out online programming, operation to the radio station; Simultaneously USB and serial ports commonly used are drawn complete machine through air plug, can connect various USB and serial equipment easily, strengthened the extendability of complete machine.
Digital transmission module has been realized at a high speed, highly reliable data transmission, accomplishes that number transmission packet loss is less than 1%; Modular design the ESD safeguard function, have anti-electromagnetic interference (EMI) and Electromagnetic Compatibility.
The radio station possesses remote conversation, file transmitting function, possesses stronger reliability.Information terminal can edit parameters such as the required power grade in radio station, job category, frequency of operation according to residing geographical environment, injects the radio station easily through radio interface, has simplified operation.
The hand-held information terminal structure adopts the magnalium shell, helps heat radiation; The inner rational deployment of hand-held information terminal, each components and parts that generate heat is separated by far away, to realize the part heat radiation of high hot components and parts; Adopted the damping vibration attenuation technology, pasted damping material, improved the anti-vibration and the impact resistance of equipment at key position; Apply prevention material on the circuit main board, shell adopts the incorporate version of sealing, avoids moisture, salt fog, sand and dust to invade hand-held information terminal inside.
Except that the described technical characterictic of instructions, be this professional's known technology.
Claims (4)
1. the hand-held information terminal of an integrated multiple means of communication; Comprise processor; It is characterized in that also comprising NAND FLASH storer, NOR FLASH storer, synchronous dynamic random access memory, IO interface, display interface and extended function module; NAND FLASH storer, NOR FLASH storer are connected with processor respectively with synchronous dynamic random access memory, and extended function module is connected with processor through IO interface, display interface respectively.
2. the hand-held information terminal of a kind of integrated multiple means of communication according to claim 1 is characterized in that extended function module comprises audio-frequency module, matrix keyboard module, serial port module, power module, CDMA module, charging module, CF card module, PCMCIA module and USB module; Serial port module is connected with processor through display interface with the USB module; Audio-frequency module, matrix keyboard module, power module, CDMA module, charging module, CF card module, PCMCIA module are connected with processor through IO interface.
3. the hand-held information terminal of a kind of integrated multiple means of communication according to claim 1 is characterized in that display interface is connected with processor through bus driver, graphics controller, ethernet controller respectively.
4. the hand-held information terminal of a kind of integrated multiple means of communication according to claim 1 is characterized in that terminal inner is provided with digital transmission module, GPS module and radio interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201893227U CN202102339U (en) | 2011-06-08 | 2011-06-08 | Handheld information terminal with integration of a plurality of communication means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201893227U CN202102339U (en) | 2011-06-08 | 2011-06-08 | Handheld information terminal with integration of a plurality of communication means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202102339U true CN202102339U (en) | 2012-01-04 |
Family
ID=45388344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201893227U Expired - Fee Related CN202102339U (en) | 2011-06-08 | 2011-06-08 | Handheld information terminal with integration of a plurality of communication means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202102339U (en) |
-
2011
- 2011-06-08 CN CN2011201893227U patent/CN202102339U/en not_active Expired - Fee Related
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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: 20120104 Termination date: 20120608 |