CN2599656Y - Electronic book platform - Google Patents
Electronic book platform Download PDFInfo
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- CN2599656Y CN2599656Y CNU022589562U CN02258956U CN2599656Y CN 2599656 Y CN2599656 Y CN 2599656Y CN U022589562 U CNU022589562 U CN U022589562U CN 02258956 U CN02258956 U CN 02258956U CN 2599656 Y CN2599656 Y CN 2599656Y
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- interface
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Abstract
The utility model provides a platform for electronic books, including a CPU, an infrared interface, a serial interface, an expansion port, a storage unit, a power management component and keystrokes. Wherein, the infrared interface or the serial interface are respectively connected with PDA, cell phone, PC, MODEM and other external devices for mutual exchange of data and image download; the expansion port is respectively connected with all kinds of expansion cards, music data compression format MP3, MODEM, camera and other external devices for expanding functions of use; all external devices connected with various interfaces and components are controlled by CPU and so do input and output information. The platform display screen can display a maximum of 600 Chinese characters, representing the number on a page of book in 32, so that users can read the required text messages on the display screen by operating keystrokes. The utility model has the functions of browsing websites, downloading files, offline reading and word processing, so as to realize a series of products like electronic bags and electronic briefcases based on the platform for electronic books.
Description
Technical field:
The utility model relates to electronic technology field, and a kind of specifically e-book platform is to realize new reading models such as interactive reading and multimedia reading.
Background technology:
The electronic equipment and the product that are used at present educate mainly contain computing machine, electronic dictionary etc.But computing machine is for most students, because its selling at exorbitant prices is difficult in maintenance, carries inconvenience and can not popularize.Electronic dictionary is again because its function singleness, operates dumb and can not satisfy the resource requirement of study.Therefore, be a long felt need for a kind of moderate cost current, information resources are abundant, reading learning electronic installation easy to use.Now, existingly on the market carry personal digital aid (PDA) (PDA) though have the demonstration read function, but owing to this product mainly is to design at business needs, its function mainly be storage with put in order daily communicate by letter, information such as account, thereby have following deficiency:
1. the screen of this product is less, is generally 160 * 160 dot matrix, and not only the Chinese character of a screen demonstration is few, and font is also minimum, is difficult to satisfy the requirement of common people's read books;
2. this product majority adopts the ROM memory structures, promptly adopt 1 FLASH ROM to add the structure of a mask ROM, FLASH is used for storing user data, mask ROM is used for the storage program, can't realize the upgrade function of program, though some adopts the problem that the structure of two FLASH can the settlement procedure upgrading, but increase the cost of system, also taken bigger PCB space simultaneously.
Though the e-book product is arranged abroad, do not form hardware and software platform, and production cost is very high, costs an arm and a leg.
The content of utility model:
The purpose of this utility model is to overcome the deficiency of existing (PDA) product, provide a kind of can with internet interface and the e-book platform that can upgrade, on this platform, can set up a little library, learn or reading with convenient.
Realize that the utility model purpose key problem in technology is to adopt advanced infrared interface and computing machine to carry out data transfer and software upgrading.Total system mainly is made of display screen, button and control processing circuit, and this control processing circuit mainly is connected with SDRAM, power management component with infrared interface, serial line interface, expansion mouth, reservoir FLASH respectively by primary processor CPU and forms.Wherein infrared interface can be connected with equipment such as PDA, mobile phone, PC PC, passes data mutually, download images; Serial line interface can be connected with equipment such as PDA, mobile phone, PC, modems, passes data mutually, download images; The expansion mouth can connect various expansion cards, can add external units such as music data compressed format MP3, MODEM, camera, storage card by this expansion mouth on the e-book platform, enlarges functions of use; Primary processor adopts 32 on imperial pearl, controls all peripheral hardwares that each interface and parts connects, and handles the input and the output information of these peripheral hardwares.Total system realizes battery charge by power management, voltage transformation, the power supply control of each several part.The user can pass through operation push-button, shows the Word message of required reading on display.
The infrared interface of above-mentioned e-book platform adopts gate device and infrared receiving/transmission device and peripheral cell to form and sends and receive two paths, this transmission path is to produce the impulse type rs 232 serial interface signal by primary controller CPU, sending to the infrared receiving/transmission device by gate device launches, this reception path is by the infrared receiving/transmission device, convert the Infrared that receives to pulse signal, return to CPU by the gate device branch road.
The expansion interface of above-mentioned e-book platform is provided with 24 bit address space, 16 bit data bus, and two sheet choosings, maximum addressable space scope is the 64M byte.
The expansion interface of above-mentioned e-book platform is realized grafting and power supply to various expansion cards by expansion card detection circuit and expansion card power circuit.
Main saved system program of the reservoir FLASH of above-mentioned e-book platform and user data, the user data that can lose after executory ephemeral data of the main save routine of memory SDRAM and the power down, this two Storage FLASH, SDRAM are all by address bus, data bus, sheet choosing, read-write line respectively and carry out exchanges data between the primary processor.
The display screen of above-mentioned e-book platform adopts the LCD of 480 * 320 dot matrix, and the capable demonstration of word is provided with horizontal, vertical dual mode, and the user can select horizontal screen or perpendicular screen to read according to the custom of oneself.
The utlity model has following advantage:
1. the resolution height of display screen, and number of words is many.The resolution of the LCD Panel of general PDA (as e-commerce) only is 160*160, promptly show 10*10 Chinese character, the maximum 320*240 that also is no more than, and the resolution of LCD Panel of the present utility model is up to 480*320, one screen can show 600 Chinese characters at most, be equivalent to one page 32 and open the Chinese character number of books, meet people's reading habit.
2. memory capacity is big.The utility model has used multi-functional widening parts storage card interface, and the user can increase memory capacity greatly by inserting jumbo storage card, also can issue books by storage card.
Can with compunication.General PDA product can not with compunication, though some product adopts the RS232 cable to be connected with computing machine, but having increased user's use difficulty, the utility model adopts advanced infrared interface and computing machine to carry out data transfer and software upgrading, and is very easy to use.
4. can make marks and take down notes.The user can choose from self-built little libary catalog by operation push-button and want the chapters and sections seen, and single page shows or the exhibition page or leaf shows on screen, and the nite writer pen of available different colours is made various marks on literal.Simultaneously also can be on literal in addition windowing take notes, these characteristics be general paper spare publication books can't do realization.
5. can realize interactive the reading and the multimedia reading pattern.Changed publication, issuing way and the reading method of books by this platform,, become author-(publishing house-) internet platform (network bookman)-reader promptly by traditional author-publishing house-printing trader-publisher-retailer-reader's mode; By bookstore (library)-books, become internet platform (network)-handheld reader mode.
6. the repertoire that has handwriting input Chinese word function and electronic notebook.
7. have powers such as browsing page, file in download, off-line reading, word processing, can realize a series of products such as e-schoolbag, electronic government documents bag based on this e-book platform.
Description of drawings:
Fig. 1 is a system chart of the present utility model
Fig. 2 is one-piece construction figure of the present utility model
Fig. 3 is infrared interface circuit theory diagrams of the present utility model
Fig. 4 is an expansion interface circuit schematic diagram of the present utility model
Fig. 5 is an expansion card detection circuit schematic diagram of the present utility model
Fig. 6 is an expansion card electric power management circuit schematic diagram of the present utility model
Fig. 7 is the utility model memory device structural drawing
Fig. 8 uses the e-commerce system structural drawing that the utility model is set up
Fig. 9 uses the electronic schoolbag system structural drawing that the utility model is set up
Embodiment:
Referring to Fig. 1 and Fig. 2, it is that 32 chips of imperial pearl of MC68VZ328 are as primary processor CPU that the utility model adopts model, this primary processor CPU connects infrared interface, serial line interface, expanding storage card, multi-functional widening parts interface and FLASH, SDRAM reservoir, large screen display respectively, to constitute the e-book stage apparatus.Wherein the infrared receiving/transmission interface is arranged on the upper end of platform hull, and expanding storage card and multi-functional widening parts general-purpose interface are separately positioned on the upper-lower position of platform one side.Various storage cards and multi-function extended card can be plugged on respectively in the corresponding interface of this stage apparatus, to realize expanded function and expansion capacity and upgrading.The overall dimensions of platform are 32 to open (11.5 * 16.4 centimetres), and thickness has leather sheath or screen cover plate less than 2.4 centimetres, and is promptly similar to the volume of a book.LCD is of a size of 5 inches-8 inches, and built-in 2 grades of Chinese character basies can store every page of 1,000,000 Chinese character (＞2M memory space) and show that the Chinese character number is 25*16=400, can show 600 of Chinese characters at most.
With reference to Fig. 3, infrared interface is by gate device T1, T2 (74LS125) and infrared receiving/transmission device T3 (HDSL3201) and peripheral resistance R
22, R
23, R
24, capacitor C
12, C
13, C
14Form and send and receive two paths.Wherein transmission path is to produce the impulse type rs 232 serial interface signal that meets the infrared interface requirement by CPU, sends to infrared receiving/transmission device T3 by the TXD1 pin by the T1 gate device, launches by T3.After receiving path and be receiving tube by infrared receiving/transmission device T3 and receiving Infrared, convert thereof into pulse signal and return to CPU by T2 gate device branch road.This CPU realizes that by EMUIRQ end control T1 and T1 the SD pin of controlling T3 simultaneously enters duty or enters dormant state, realizes the infrared module power management to the break-make control of RXD and the TXD pin of T3, accomplishes that the maximum of energy consumption is saved.
With reference to Fig. 4, expansion interface provides 24 bit address space, 16 bit data bus, and two sheet choosings, its maximum addressable space scope is the 64M byte.The annexation of this expansion interface each point is as follows:
IRQ2 connects expansion card and interrupts input;
A[00:23] connection 24 bit address buses;
D[00:15] connection 16 bit data bus
SPICLK, MOSI, MISO connect the SPI data-interface
CD1, CD2 Connection Card insert sniffing interface
CSA1, the choosing of CSB1 brace
/ UWE ,/LWE connects the high low byte of SRAM and writes and enable
/ CTS1 ,/RTS1 connection reservation I/O mouth
/ OE connection reads to enable
/ WE connection is write and is enabled
PC_VCC connects power supply
This expansion interface is supported hot plug, and it realizes principle such as Fig. 5, shown in Figure 6.Interface protocol requires two pins of CD1, CD2 of expansion card to receive on the ground.Whether master controller is surveyed expansion card by two detective pins of CD1, CD2 and is plugged, and spigot is being just.When not having plug-in card, master controller general/EMUCS pin is put low, and triode Q13 turn-offs, and the PC_VCC of expansion mouth does not provide power supply.After card was plugged, behind the equal step-down of CD1, CD2, the output IRQ3 step-down of 74LS32 produced and interrupts, and has no progeny during master controller receives, and general/EMUCS pin is put height, opens the expansion card power supply, begins to its power supply.When card pulled out, CD1 or CD2 at first disconnected, and produced once more and interrupted, and master controller turn-offs the power supply of expansion card immediately, realized the outage plug.
This expansion interface cartoon is crossed with various external units and is connected, and can realize multiple function.The MODEM front-end functionality that promptly is connected with mobile phone supports V.90/V.34/V.32 to wait the multiple transport protocols function; The playing function that is connected with MP3 is supported sample frequency and support CRC check function up to 48KHz; With stereo record, player function that record, the machine of putting are connected, data compression rate reaches 5.0/6.4kbps; The horizontal location precision reaches 20 meters when the receiving function that is connected with GPS, no S/A scrambling; The mobile communication function that is connected with GSM; The bus coding/decoding function that is connected with computing machine USB.In practice, can select above-mentioned functions to make up as required.The utility model is selected the basic platform of the multi-functional dsp system of U.S. ADI company as expansion card for use, by suitable adjustment peripheral circuit and renewal in house software, realizes multiple functions such as MODEM, MP3 decoding.This platform shows that the content of books can obtain by dual mode, and a kind of is to download from PC by the RS232 standard serial interface; Another kind is the multi-function extended card that has the MODEM function by insertion, can directly download from the internet website.
Referring to Fig. 7, Storage FLASH is wiped the ROM device for the flash electricity, and its erasing speed is far faster than EEPROM, and it is very big that capacity also can be done, and data are not lost after the power down.Be mainly used in the preservation of significant datas such as system program, user data.Memory SDRAM is a kind of of DRAM, and its power consumption is mainly used to the user data that can lose after executory ephemeral data of stored programme and the power down much smaller than common DRAM.Two Storage FLASH, SDRAM are all by address bus, data bus, sheet choosing, read-write line respectively and carry out exchanges data between the primary processor.
The rechargeable type battery is adopted in the power supply of whole device, is equipped with charger simultaneously.Battery-powered time＞5 hour.
Embodiment 1:
Utilize e-commerce system that the utility model sets up as shown in Figure 8.In this system, at first set up the e-book e-commerce website, obtain the books of electronic edition from publishing house, and on server, set up infrared terminal and the setting wall of setting fire; Multi-function extended card, storage card, MODEM card are pegged graft with many e-book platforms respectively; Storage card and server wireless connections, e-book platform and infrared terminal and internet wireless connections.The user adopts the mode of buying or leasing to obtain the e-book platform, can arrive bookstore downloads (purchase) electronic edition by infrared terminal books, also can obtain books by buying (leasing) storage card, can also be by buying or lease the multi-functional expansion interface card of MODEM, directly download (purchase) e-book, also can adopt and download (purchase) MP3 song in the same way by telephone wire.This e-book plateform system can form the novel channel of electronic publishing and distribution, reduces reader's reading cost, increases and reads enjoyment, has developed the use of interactive books simultaneously.The application of this e-book plateform system makes books " printing ", distribution, retail to finish on the net, not only saves time, reduces cost, and do not waste paper, has avoided a large amount of books to overstock stock's phenomenon.
Embodiment 2:
Utilize electronic schoolbag system that the utility model sets up as shown in Figure 9.This system sets up school, class's server respectively under switch, set up infrared terminal on the server of each class, and switch is by router/firewall and modem and internet wireless connections.Each e-book platform can by with the server that infinitely is connected each class of infrared terminal on download whole textbooks, operation and interrelated data, books, make it become e-schoolbag.This e-schoolbag can be achieved as follows function:
1. read the textbook function, promptly store whole textbooks in the e-schoolbag, can preview at any time, review and read;
2. the notebook function is promptly taken down notes and any information by handwriting recognition software record classroom;
3. library's function is promptly downloaded books from school library, forms the little library of oneself;
4. electronic dictionary, promptly have the electronics that can satisfy the demand English-Chinese/Chinese-English dictionary, can refer to get translation;
5. this function of electronic homework promptly from the downloaded operation, is uploaded onto the server after finishing and is corrected automatically,
6. function of surfing the Net promptly is connected online by infrared interface with server;
7. e-commerce function can write down business card, schoolmates' address book, general information and inquiry;
8. developmental game function promptly can be accumulate and be taught in object for appreciation;
This electronic schoolbag system is used, and helps to promote quality-oriented education in education sector, alleviates student's learning burden, reduces teacher's labour intensity, increases the understanding of student to the internet, enriches students'knowledge.
Embodiment 3:
The utility model can be used for functional government departments and industry field, stores and reading tool as lawyer, certified public accountant, registered architect, the personnel of industrial and commercial administration, the executive staff of company, tax staff, quarantine functionary, customs officer, sales force, auditor's data.
Further popularization of the present utility model can be used separately as the OEM service in security exchange field, the OEM service of insurance, the OEM service of justice system, the OEM service of building rating system, various fields and departments such as the OEM service of the industrial and commercial tax, health quarantine system.
Claims (6)
1. an e-book platform comprises display screen, button and control processing circuit, it is characterized in that control processing circuit is connected and forms with infrared interface, serial line interface, Storage FLASH and sdram interface, expansion mouth respectively by primary processor CPU; Infrared interface or serial line interface are connected with external units such as PDA, mobile phone, PC, MODEM respectively, pass data mutually, download images; The expansion mouth is connected with external units such as various expansion cards, music data compressed format MP3, modem, cameras respectively, enlarges functions of use; Primary processor CPU controls all external units of each interface and parts connection, and handles the input and the output information of these peripheral hardwares.
2. e-book platform according to claim 1, it is characterized in that infrared interface adopts gate device T1, T1 and infrared receiving/transmission device T3 and peripheral cell are formed transmission and are received two paths, this transmission path is to produce the impulse type rs 232 serial interface signal by primary controller CPU, send to infrared receiving/transmission device T3 by the T1 gate device, launch by T3, this reception path is by infrared receiving/transmission device T3, convert the Infrared that receives to pulse signal, return to CPU by gate device T2 branch road.
3. e-book platform according to claim 1 is characterized in that expansion interface is provided with 24 bit address space, 16 bit data bus, and two sheet choosings, maximum addressable space scope is the 64M byte.
4. e-book platform according to claim 3, it is characterized in that expansion interface passes through the grafting and the power supply of expansion card detection circuit and expansion card power circuit control expansion card, be that master controller passes through CD1, two detective pins of CD2 are surveyed the inserting state of expansion card, when no plug-in card, master controller general/EMUCS pin is put electronegative potential, triode Q13 turn-offs, the PC_VCC of expansion mouth does not provide power supply, after card is inserted, detective pin CD1, CD2 all becomes electronegative potential, the output terminal IRQ3 current potential step-down of detector 74LS32 produces and interrupts, and master controller is the expansion card power supply with the electric position height of pin/EMUCS.
5. e-book platform according to claim 1, it is characterized in that preserving among the reservoir FLASH system program and user data, the user data that can lose after executory ephemeral data of the main save routine of memory SDRAM and the power down, this two Storage FLASH, SDRAM are all by carrying out exchanges data between address bus, data bus, sheet choosing, read-write line branch and the primary processor.
6. e-book platform according to claim 1 is characterized in that display screen adopts the LCD of 480 * 320 dot matrix, and the capable demonstration of word is provided with horizontal, vertical dual mode, and the user can select horizontal screen or perpendicular screen to read according to the custom of oneself.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU022589562U CN2599656Y (en) | 2002-11-20 | 2002-11-20 | Electronic book platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU022589562U CN2599656Y (en) | 2002-11-20 | 2002-11-20 | Electronic book platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2599656Y true CN2599656Y (en) | 2004-01-14 |
Family
ID=34150036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU022589562U Expired - Fee Related CN2599656Y (en) | 2002-11-20 | 2002-11-20 | Electronic book platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2599656Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968969A (en) * | 2010-10-22 | 2011-02-09 | 康佳集团股份有限公司 | Electronic book mobile device and electronic book background music playing method |
-
2002
- 2002-11-20 CN CNU022589562U patent/CN2599656Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968969A (en) * | 2010-10-22 | 2011-02-09 | 康佳集团股份有限公司 | Electronic book mobile device and electronic book background music playing method |
| CN101968969B (en) * | 2010-10-22 | 2015-01-21 | 康佳集团股份有限公司 | Electronic book mobile device and electronic book background music playing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |