CN2408509Y

CN2408509Y - Network scanner

Info

Publication number: CN2408509Y
Application number: CN 99253506
Authority: CN
Inventors: 陈武; 宋涛
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-11-04
Filing date: 1999-11-04
Publication date: 2000-11-29
Anticipated expiration: 2009-11-04

Abstract

The utility model relates to a network browser, which comprises a central microprocessing unit, an inner memory connected with the central microprocessing unit via a bus, a speaker, a sound card, a display, a display card, a modem and a built-in software module composed of a rom, and an operating system and the programs of the browser are solidified in the built-in software module. The operating system can automatically operate after a telephone line is connected and power is switched on, and simultaneously, the embedded programs of the browser are started. A user can enter an initially set website, and then the user can browse and send and receive E-mails, etc. on line according to personal willingness. The utility model having single function and easy use can be used for preventing the invasion of virus and hackers from a physical layer.

Description

Web browser

The utility model relates to a kind of computer technology, relates to the single-minded web browser of a kind of function (WEB) or rather.

Along with the internet worldwide universal day by day, Chinese website, personal homepage occur like the mushrooms after rain, its content relates to various fields, online no longer is a kind of fashion, and becomes the necessary of people life gradually.

At present, people mainly by microcomputer (PC) online, also can pass through surfing Internet with cell phone.Utilize the major defect of surfing Internet with cell phone to be: network function is incomplete; Utilize the major defect of PC online to be:, to cause hardware and software cost to increase and cause selling at exorbitant prices because system is huge, function is various; Because function is various, the user who only possesses suitable professional knowledge just may operate the computer, and becomes the widely used obstacle of people; Though system has various function, the user often only uses several functions wherein, particularly only utilizes PC to do the user who surfs the web, and causes the waste of a large amount of functions; Because system is huge, function is various, most of hardware resource is at operational system software, the resource that application software is used very little, thereby influence the travelling speed of system; Because system is erasable, promptly adopt erasable floppy disk/hard disk to come storage operating system and application file, cause the security performance of system to reduce, online hacker, virus and user's improper use all can destroy system, thus the loss (this also is the reason that still can not fundamentally solve virus harm with method for protecting software) that increases maintenance cost and cause the user to be difficult to retrieve; Most of peripheral hardware of system is fully unnecessary to the user of simple function, and the easiest damage exactly again of these peripheral hardwares; System is if use desktop PC, and is then not portable, can not surf the Net whenever and wherever possible, if use notebook computer, though be easy to carry, costs an arm and a leg, and non-general user can bear; The integrated cost of PC upgrading is high and also high to the requirement of professional technique, causes the upgrading difficulty big.

In sum, for the user who specializes in online browsing, E-mail receiver/send, online chatting, ecommerce etc., finish above-mentioned functions with present PC, obviously shortcoming is many and be not suitable for very much, thereby can not satisfy the increasing simple function network user's demand.

The purpose of this utility model is a kind of web browser of design, many shortcomings when making web browser and it is undergone technological transformation with PC, utilize identical principle of work, and design the single-minded network browsing equipment of a kind of function, have simple in structure, function singleness, easy to use, cheap, be fit to the characteristics that the ordinary people uses etc.

The purpose of this utility model is achieved in that a kind of web browser, comprise central microprocessing unit and internal storage, loudspeaker and the sound card, display and the video card that are connected with central microprocessing unit by bus, it is characterized in that: also include the embedded software module and the modulator-demodular unit that constitute by ROM (read-only memory), embedded OS and built-in browser program Solidification are in the embedded software module, the embedded software module that is made of ROM (read-only memory) is connected with described bus, and described modulator-demodular unit connects described bus and telephone wire respectively.

Also include the printing connector that can be connected, with the hard disk connector that can be connected with hard disk with printer.

Also include the modulator-demodular unit connector that described modulator-demodular unit can be connected with microcomputer, the modulator-demodular unit connector is connected with the RS-232C connecting line of described modulator-demodular unit.

Described central microprocessing unit, internal storage, video card, sound card, modulator-demodular unit are integrated on the cpu motherboard.

The memory capacity of the ROM (read-only memory) of described formation embedded software module is 8 to 12 megabyte.

The ROM (read-only memory) of described formation embedded software module be can not by erasable or can only by physics erasable ROM (read-only memory).

Web browser of the present utility model, that can make online browsing, E-mail receiver/send, file uploads download, online interaction recreation/video/audio frequency utilization and ecommerce; But online chatting, carry out website/management of webpage; Carry out LAN (Local Area Network)/server login and LAN (Local Area Network)/server resource utilization in real time.

Web browser of the present utility model because function is single-minded, therefore uses simply, does not need computer literacy just can operate, thereby is particularly suitable for ordinary people's use; Compare with PC, because structure simplifies greatly, thereby travelling speed accelerates, and improved the ratio of performance to price of equipment effectively; The system and the application software that comprise operating system and browser program all are solidificated in the ROM (read-only memory), have realized that effectively the anti-virus of Physical layer and anti-hacker invade.

Further specify technology of the present utility model below in conjunction with embodiment and accompanying drawing.

Fig. 1 is a web browser principle structure block diagram of the present utility model

Fig. 2 is the example structure block diagram of web browser shown in Figure 1

Fig. 3 is the enforcement circuit diagram of microprocessor among Fig. 2, math coprocessor and cache processor

Fig. 4 is the enforcement circuit diagram of isa bus controller and embedded software module among Fig. 2

Fig. 5 is the enforcement circuit diagram of the peripheral combinational circuit of high integration among Fig. 2

Referring to Fig. 1, the principle structure of web browser 10 of the present utility model shown in the figure, the embedded software module 15 and the modulator-demodular unit 16 (MODEM) that mainly comprise central microprocessing unit 11 (CPU), internal storage 12 (SDRAM), display and video card 13, loudspeaker and sound card 14, be made of ROM (read-only memory) connect by bus 19.Shown 17 is internet (INTERNET), is connected with modulator-demodular unit 16 by telephone wire L1, L2, and shown 18 is power supply units, to web browser 10 power supplies.

From forming on the structure, web browser 10 with the maximum difference of PC is: hard disk or diskette location place at PC replace the embedded software module 15 that is made of ROM (read-only memory).

Referring to Fig. 2, the example structure of web browser shown in the figure, mainly comprise by microprocessor 111 (CPU), math coprocessor 112 (NPX), cache processor 113, the central microprocessing unit (11) that system controller 114 constitutes, by Cache 121 (SRAM), the internal storage (12) that internal memory 122 (SDRAM) and data buffer 123 constitute, peripheral 20 of the combinational circuits of high integration are video card (13), the set of sound card (14) etc., bus (19) comprises microprocessor local bus 191, isa bus controller 193, system's state of a control bus 194, system address bus 195, system data bus 196, peripheral expansion bus 197 and ISA expansion bus 198.ISA expansion bus 198 connects the hard disk connector and is connected display.The peripheral combinational circuit 20 of high integration connects prints connector.Modulator-demodular unit 16 connects telephone wire L1, L2, and its RS-232C connecting line then can directly connect PC, for the modulator-demodular unit 16 in the PC community network browser.

The hardware of web browser mainly comprises cpu motherboard, internal memory, video card, sound card, modulator-demodular unit, loudspeaker, embedded software module, keyboard, Genius mouse and LCD, and its mainboard is integrated memory, video card, sound card and modulator-demodular unit further.

The software of web browser mainly comprises by WINDOWS CE, PILM, LINUX embedded OS and the built-in browser program formed after exploitation.Embedded OS and built-in browser program all are solidificated in the embedded software module 15 that is made of ROM (read-only memory).

Web browser is connected the use of can starting shooting after finishing with telephone wire, after powering on, automatically operation embedded OS and start network browser program simultaneously can enter the website of initial setting automatically, and the user just can browse on the net and sends and receive e-mail etc. by the personal inclination then.Owing to the software and hardware configuration that can't destroy by the virus of Internet communication in the web browser, therefore can invade from Physical layer anti-virus and hacker.

The principle of work of web browser is: after start powers on, will be booted by the address signal activation of sending here by isa bus controller 193 from microprocessor 111 by the embedded software module 15 that ROM (read-only memory) constitutes, inner operating system and the browser program that embeds of ROM (read-only memory) called in internal memory 122 by microprocessor local bus 191, operating system at first is admitted to microprocessor 111 operations by data buffer 123 through microprocessor local bus 191, and deposit result in internal memory 122, after operating system finishes, microprocessor 111 moves the browser program that resides in the internal memory 122 according to the guide of operating system, at this moment, browser program obtains the control of system resource, the hyperlink instruction and IP (identity) address date that are preset in the hyperlink file are passed through system's state of a control bus 194, system address bus 195, system data bus 196, the peripheral combinational circuit 20 of peripheral expansion bus 197 and high integration send modulator-demodular unit 16, to convert simulating signal to from the digital signal of microprocessor 111 by the D/A in the modulator-demodular unit 16, and by telephone wire L1, L2 sends request signal to the webserver/mail server of far-end;

After the webserver/mail server of far-end receives this request signal, to 16 answer signals of this modulator-demodular unit, and by telephone wire L1, L2 transmission web data, by the A/D converter in the modulator-demodular unit 16 analog signal conversion is become digital signal, and send in the internal memory 122 by peripheral expansion bus 197, system data bus 196, system address bus 195, system's state of a control bus 194, data buffer 123, transmit request signals to microprocessor 111 simultaneously;

After microprocessor 111 receives request signal, from internal memory 122, call relevant data and order and execution, and send execution result back to internal memory 122, and send display to show by the parallel port that is connected with ISA expansion bus 198.So far finished the handshake procedure of a web browser and the webserver/mail server.

Referring to Fig. 3, the enforcement circuit of microprocessor 111, math coprocessor 112 and cache processor 113 among Fig. 2 shown in the figure.Microprocessor adopts 80386DX (U12), and coprocessor adopts 80387DX (U10), and cache processor adopts 82385 (U15).Though microprocessor, coprocessor and cache processor (also comprise and adopt 80346 system controller) have all adopted device cheap and that performance is relatively poor relatively, but because operating system is simplified, hardware system is optimised, so online and the speed browsed are still very high.

Referring to Fig. 4, the enforcement circuit of isa bus controller shown in the figure and embedded software module.Isa bus controller 193 adopts 82346 (U36), embedded software module 15 adopts three integrated EPROM chips of 27C040 (U37-U39), be solidified with embedded OS and built-in browser program in the EPROM chip, memory capacity is chosen as 8M to 12M byte.With embedded OS and built-in browser program Solidification in ROM (read-only memory) (ROM/PROM/EPROM), ROM (read-only memory) can not or can only be erasable by physics, comprise that electricity is erasable and ultraviolet erasable, and online virus is not possess ardware feature, so, utilize web browser online of the present utility model, therefore its system software and application software are not subjected to the problem of online virus infections aspect owing to there is not reformed operating process.

Referring to Fig. 5, the enforcement circuit of the peripheral combinational circuit 20 of high integration among Fig. 2 shown in the figure.The peripheral combinational circuit 20 of high integration adopts 82341 (U50), and IDE among the figure (J54) is the hard disk connector of reserving, and can connect hard disk in case of necessity as external storage, duplicates network information for user's download.LPT among the figure (J56) is the printer connector of reserving, and can connect the printer prints downloaded files in case of necessity.COM A among the figure, COM B are mould/number, D/A interface and the RS-232C interface of web browser, are connected with modulator-demodular unit.

Owing to comprise the enforcement circuit of functional parts such as internal memory 122, system controller 114 among Fig. 2, be circuit commonly used in the PC, belong to prior art, so in the utility model patent specification, do not describe in detail.

Web browser of the present utility model, its main characteristics are: function is single-minded, and software and hardware system is terse, cost Low; Function singleness, friendly interface can use by normal domestic use electrical equipment as Shi Yonging, and ease for use is strong; The nonfunctional wave Take phenomenon, all software and hardware all can be the user provides effective service; System is not erasable, and is safe, from physics Layer anti-virus, non-maintaining anti-hacker; Software and hardware is simple, no easily worn part; Machine shape such as notebook computer are light Portable, versatility is good, not limited by the region country origin; Cheap, the update cost is low; Start is online just, Need not the user do any operation; Software need not frequently be upgraded, and can reduce user's demand investment; Transmission speed only depends on In the speed of network transmission line, also need not follow manufacturer and frequently upgrade.

Claims

1. web browser, comprise central microprocessing unit and internal storage, loudspeaker and the sound card, display and the video card that are connected with central microprocessing unit by bus, it is characterized in that: also include the embedded software module and the modulator-demodular unit that constitute by ROM (read-only memory), embedded OS and built-in browser program Solidification are in the embedded software module, the embedded software module that is made of ROM (read-only memory) is connected with described bus, and described modulator-demodular unit connects described bus and telephone wire respectively.

2. web browser according to claim 1 is characterized in that: also include the printing connector that can be connected with printer, with the hard disk connector that can be connected with hard disk.

3. web browser according to claim 1 is characterized in that: also include the modulator-demodular unit connector that described modulator-demodular unit can be connected with microcomputer, the modulator-demodular unit connector is connected with the RS-232C connecting line of described modulator-demodular unit.

4. web browser according to claim 1 is characterized in that: described central microprocessing unit, internal storage, video card, sound card, modulator-demodular unit are integrated on the cpu motherboard.

5. according to claim 1 or 2 or 3 or 4 described web browsers, it is characterized in that; The memory capacity of the ROM (read-only memory) of described formation embedded software module is 8 to 12 megabyte.

6. according to claim 1 or 2 or 3 or 4 described web browsers, it is characterized in that: the ROM (read-only memory) of described formation embedded software module be can not by erasable or can only by physics erasable ROM (read-only memory).