CN2831631Y - Hand-held electronic device able to realize remote information transfering - Google Patents
Hand-held electronic device able to realize remote information transfering Download PDFInfo
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- CN2831631Y CN2831631Y CN 200520054540 CN200520054540U CN2831631Y CN 2831631 Y CN2831631 Y CN 2831631Y CN 200520054540 CN200520054540 CN 200520054540 CN 200520054540 U CN200520054540 U CN 200520054540U CN 2831631 Y CN2831631 Y CN 2831631Y
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Abstract
The utility model relates to a hand-held electronic device which can realize remote information transfer, and comprises a central processing unit, a program memory in double-way connection with the central processing unit, an RAM, a communication interface, a display screen and an input device. The hand-held device, a personal computer on the internet and a remote server form a network system of information transfer via the communication interface. The personal computer is provided with a communication driver which has the functions of automatic sending, automatic reception and automatic download. The hand-held electronic device is provided with a processing program capable of answering and executing the instruction of the communication driving software, mail authoring software and mail broadcast software. The information transfer between the hand-held electronic device and the personal computer obeys the communication protocol of one key for all; the information transfer between the personal computer and the remote server obeys the communication protocol of TCP/IP. Thus, the hand-held electronic device has simple operation, easy use and low cost, can be used for the remote information transfer, and is especially suitable to be used on occasions requiring confidentiality for mail information, such as a school, an office, etc.
Description
Technical field
The utility model relates to the handheld device that can realize that information remote transmits, relate in particular to and a kind ofly realize the reception of multimedia mail and the cheap hand-hold electronic equipments of transmission by existing internet, hand-hold electronic equipments of the present utility model is particularly suitable for using in the more occasion of users such as school.
Background technology
In the epoch that Email is popularized very much, people have been accustomed to sending and receive Email with personal computer by INTERNET, but, in school, the occasion that office etc. have many people to surf the Net, can not accomplish personal computer of staff, and promptly enable to accomplish personal computer of staff, personal computer also is inconvenient to carry, so just make many people can not send and receive the Email of oneself in time, so the mode that dependence handheld devices such as SMS send information occurred, but between handheld device user,, lack a kind of effective and cheap mode and method in long-range contact with alternately always.And when this handheld device did not have the ability of direct connection and access internet, this problem was more obvious, was difficult to the file of exchange handheld device inside between the long-distance user.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of cheap hand-hold electronic equipments that can receive and dispatch multimedia mail.
The purpose of this utility model can adopt following technical measures to realize, design a kind of hand-hold electronic equipments that can realize that remote information is transmitted, this hand-hold electronic equipments comprises: central processing unit, with the two-way program storage that is connected of central processing unit, random asccess memory, communication interface, display screen and input equipment, the network system that described handheld device is transmitted by the personal computer on communication interface and the Internet and remote server configuration information;
Each hand-hold electronic equipments is endowed an identification number, and this identification number is deposited in described remote server and this hand-hold electronic equipments; Described personal computer is equipped with transmission automatically, automatic reception, the automatic communication drivers program of downloading; Described hand-hold electronic equipments is equipped with and can responds handling procedure and mail software for editing and the mail playout software of carrying out described communication drivers software instruction; The communication protocol of " PTT " is deferred in information transmission between described hand-hold electronic equipments and the personal computer; Defer to the TCP/IP communications protocol between described personal computer and the remote server.
The communication basic structure of described " PTT " communication protocol is divided into physical layer, network layer, transport layer and application layer from inside to outside successively; Described physical layer comprises the physical characteristic of electronic dictionary and RS-232 communication; Described network layer is the wrapper of transmission data; Described transport layer is used for the communication process of coordination data; Described application layer provides calling of C language environment and user.
Described communication drivers program comprise personal computer and hand-hold electronic equipments before communicating by letter handshake procedure and shake hands after communication process;
Described personal computer (main frame) comprises with the handshake procedure of hand-hold electronic equipments (slave) before communicating by letter:
A. the detection of shaking hands, both sides arrange basic baud rate, and the personal computer policing port is waited for the hand-hold electronic equipments response, and the character string " HSK_STR " that hand-hold electronic equipments sends particular sequence responds, as responds mistake and then shake hands and do not pass through;
B. enable mode and version detection, shake hands by after, the personal computer feeding back ACK, hand-hold electronic equipments sends Comm_Mode notice enable mode and is automatic transmission, automatic reception, downloads the pattern that the manual selection of disposable finishing " PTT " pattern or user is uploaded, downloaded by menu automatically, if enable mode is not approved by personal computer then do not passed through;
C. type identity validation, slave sends identity recognition number " CYID_STR " and communication speed " SPD_STR ", separates with " 0x00 " between CYID_STR (CID_STR) and SPD_STR; If identity is not accepted by main frame, then shake hands and do not pass through.Behind the identity validation, main frame is used instead from motor speed the port baud rate is set, and prepares follow-up and communicating by letter that it carries out, and slave is waited for.
Described communication process of shaking hands back personal computer and hand-hold electronic equipments also comprises manual download, the upload file that enters from menu of hand-hold electronic equipments, and personal computer inquires earlier whether hand-hold electronic equipments can be downloaded; After the correct feedback of receiving hand-hold electronic equipments, to carry out data with the COMMDATA instruction again and download, corresponding each instruction of the program of hand-hold electronic equipments is handled with corresponding handling procedure.
About transfer instruction, in the utility model, except that shaking hands, other transport behavior is all realized by instructing.Corresponding each instruction of hand-hold electronic equipments end program has the corresponding handling procedure of a cover; We also require PC end signal procedure, will instruct #define to become constant to use, and the maintainability of program can be fine like this.
The communication interface of described handheld device and personal computer can be serial ports, parallel port, also can be USB interface, infrared interface or blue tooth interface.
The input equipment of described hand-hold electronic equipments is keyboard or touch-screen.
Compared with prior art, the utility model can realize that the hand-hold electronic equipments of remote information transmission has following advantage: can be by carrying, and editor forms Email at any time; As long as and with the mail that mail can be sent or receives behind the PC line on hand-hold electronic equipments and the Internet from other hand-hold electronic equipments, so the utility model device is the low-cost electronic installation that a kind of realization remote information simple to operate, directly perceived, easy to use is transmitted.
Description of drawings
Fig. 1 is that the present invention realizes that the system that remote information is transmitted between the hand-hold electronic equipments forms schematic diagram;
Fig. 2 is the simplified flow chart that hand-hold electronic equipments outwards sends information;
Fig. 3 is the simplified flow chart that hand-hold electronic equipments receives information;
Fig. 4 is the flow chart that hand-hold electronic equipments of the present invention manufacturer upgrades remote data base;
Fig. 5 is the functional-block diagram of hand-hold electronic equipments;
Fig. 6 schematic diagram that to be hand-hold electronic equipments be connected by serial ports with personal computer;
Fig. 7 is a personal computer and the software flow pattern of the handshake procedure of hand-hold electronic equipments before communicating by letter;
Fig. 8 is the flow chart that hand-hold electronic equipments outwards sends information;
Fig. 9 is the flow chart that hand-hold electronic equipments receives information;
Figure 10 is the basic structure schematic diagram of communication protocol of the present invention.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
The system that is to use hand-hold electronic equipments of the present utility model to realize that remote information is transmitted as Fig. 1 constitutes schematic diagram, and this system comprises:
(1), internet and the personal computer that is connected with this internet, be used to set up the communications platform of remote information transmission between the hand-hold electronic equipments;
(2), by hand-hold electronic equipments that numerous user had, this hand-hold electronic equipments is exactly the device that the utility model will be protected, contain central processing unit 1, memory 2, display system 3, input equipment 4, be used for providing the power supply 5 and the pronunciation device 6 (Fig. 5) of electric energy to hand-hold electronic equipments, hand-hold electronic equipments is connected with personal computer on the Internet when transmitting information, is used for processing, demonstration, reception and transmission information;
(3), with the remote server of Internet connection, this data in server storehouse store whole registrations hand-hold electronic equipments identify label number and store and be not received the Email Information that termination is received, be used for the hand-hold electronic equipments that is attached thereto being carried out the information that authentication and handheld electronic equipment send and pass to the personal computer that is connected with the hand-hold electronic equipments of receiving information by personal computer;
Described personal computer is equipped with the automatic transmission that can respond " PTT " button operation, automatic reception, downloads disposable traffic carried driver automatically; Described hand-hold electronic equipments is equipped with and can responds the handling procedure of carrying out described communication drivers software instruction; The communication protocol of " PTT " is deferred in information transmission between described hand-hold electronic equipments, the personal computer; Defer to the TCP/IP communications protocol between described personal computer and the remote server.
The communication basic structure of described " PTT " communication protocol is divided into physical layer, network layer, transport layer and application layer from inside to outside successively; Physical layer comprises the physical characteristic of electronic dictionary and RS-232 communication; Network layer is the wrapper of transmission data; Transport layer is used for the communication process of coordination data; Application layer provides calling of C language environment and user, as shown in figure 10." PTT " of the present utility model communication protocol is a host-host protocol relatively stable, that the sniffing position is higher.The data of transmission are to transmit with binary format; During loading error occurring, can transmit again, whether online can detect automatically.Realize the transmission constantly of data with single duplex.This communications protocol is supported data upload, download, and catalogue is set up and deletion, two-shipper or with the data of PC to passing the recreation of two-shipper line, NMail transmitting-receiving, basic functions such as PTT.
Described communication drivers program comprise personal computer and hand-hold electronic equipments before communicating by letter handshake procedure and shake hands after communication process; Described personal computer comprising with the handshake procedure (Fig. 7) of hand-hold electronic equipments before communicating by letter:
A. shake hands to detect and carry out the communication speed identification, both sides arrange basic baud rate, the personal computer policing port is waited for the hand-hold electronic equipments response, and the character string " HSK_STR " that hand-hold electronic equipments sends particular sequence responds, as responds mistake and then shake hands and do not pass through;
B. enable mode and version detection, shake hands by after, the personal computer feeding back ACK, hand-hold electronic equipments sends Comm_Mode notice enable mode and is automatic transmission, automatic reception, downloads the pattern that the manual selection of disposable finishing " PTT " pattern or user is uploaded, downloaded by menu automatically, if enable mode is not approved by personal computer then do not passed through;
C. type identity validation, personal computer need be learnt the identity of line hand-hold electronic equipments, get in touch so that communicate with remote server, after the affirmation, the communication speed that personal computer is used hand-hold electronic equipments instead is provided with the port baud rate, prepare follow-up communicating with, hand-hold electronic equipments then is in wait state;
Described communication process of shaking hands back personal computer and hand-hold electronic equipments comprises download, the upload file that hand-hold electronic equipments enters from menu, and personal computer inquires earlier whether hand-hold electronic equipments can be downloaded; After the correct feedback of receiving hand-hold electronic equipments, to carry out data with the COMMDATA instruction again and download, corresponding each instruction of the program of hand-hold electronic equipments has the corresponding handling procedure of a cover.
It is platform that said system has constituted with the internet, the virtual community of being made up of numerous hand-hold electronic equipments users.Each hand-hold electronic equipments user has a unique and clear and definite identify label number (PID number) to be used for distinguishing different hand-hold electronic equipments users in virtual community.Each hand-hold electronic equipments user in this virtual community can carry out the transmission and the reception of Email or other electronic information by the said system platform.
We deserve to be called the information transmission of stating between the hand-hold electronic equipments and are " NMAIL ", well-known to distinguish " EMAIL ".It needs to be noted: existing EMAIL carries out the reception of Email and transmission between PC, and the Mail Contents of NMAIL, mail reception person all on handheld device by Email Sender's appointment, PC with last Internet net after hand-hold electronic equipments has been specified the Mail Contents that will send, mail reception person's (specifying its PID number) is connected, the mail on the hand-hold electronic equipments can be sent to the hand-hold electronic equipments user that another has appointment PID number.When this have the hand-hold electronic equipments user that specifies PID number with its hand-hold electronic equipments of holding when PC that last Internet nets is connected, can receive this mail, and can play by the built-in player NEPlayer of hand-hold electronic equipments.
Fig. 5 is the functional-block diagram of the utility model hand-hold electronic equipments.This hand-hold electronic equipments comprises central processing unit 1 (CPU), memory 2 (RAM), display system 3, input equipment 4, power supply 5 and pronunciation device 6, also comprises a mail software for editing; A special NEPLAYER player software of playing this multimedia mail; Display system can be LCD; Input equipment is keyboard or touch-screen; Pronunciation device is earphone or loudspeaker; Described mail software for editing can be used as the editing platform of multimedia mail, also can be set to play automatically or be set to start-up picture or regularly reminds or remind red-letter day or countdown etc. by this software mail simultaneously.Like this, after the recipient of mail gets the mail, this mail will be play this multimedia mail by the NEPLAYER player automatically according to sender's setting, or be set as start-up picture automatically, or play the purpose of reminding mail reception person, or carry out the calculating and the demonstration of countdown to reach at preset time.
Hand-hold electronic equipments is meant miniaturization, can be held in the electronic equipment in the hand, its contour structures such as electronic dictionary, calculator or PDA(Personal Digital Assistant).Chip circuits such as their central processing unit, program storage and random asccess memory are installed in the inner chamber of housing, described keyboard or other input equipments are fixed on the upper surface of housing, protecting cover is arranged on it, display screen is installed in the medial surface of protecting cover, and described housing is connected at the back side edge loose-leaf with protecting cover.
Described hand-hold electronic equipments can adopt multiple mode to be connected with personal computer, and their communication interface can be common interface in any existing interface technology such as serial ports, parallel port, USB interface, infrared interface, blue tooth interface mutually.Fig. 6 is the circuit theory diagrams that described hand-hold electronic equipments is connected with personal computer.Port on the hand-hold electronic equipments comprises a receiving port (RX), a transmit port (TX), and a power port, a grounding ports is connected with the corresponding port of personal computer respectively.
When hand-hold electronic equipments is connected with personal computer, described communication drivers software can be discerned PID number of this hand-hold electronic equipments user automatically, and detect automatically whether to have in user's the handheld device and need the multimedia mail that sends, if having detected mail needs to send, then by transmission continuously, automatically upload on the personal computer it and encryption, then from being dynamically connected remote data base, this multimedia mail is uploaded to remote data base, and note the recipient of mail, transmit by link communication simultaneously, with the deletion of the mail that sent in the hand-hold electronic equipments or dump to and " sent out mailbox; when visiting again this hand-hold electronic equipments next time; this mail just can not be repeated to have sent; do not have mail to need to send; then visit remote data base and detect the mail whether this user is arranged and need to receive; if having then this mail is downloaded in the described personal computer if detect, by this communication drivers software described mail is deciphered and downloaded in user's the handheld device then, PC is with this mail deletion simultaneously, this mail of mark is " receiving " in the remote data base, and just can not repeat to have sent next time again.
The transmission of above-mentioned mail and receiving course can be generalized following simplification flow process:
As shown in Figure 2, the process of transmitting of simplification comprises the steps:
A. user's information setting that will send on hand-hold electronic equipments is a state to be sent, and sets the identify label number and the Starting mode of the hand-hold electronic equipments of receiving information, and it is kept at outbox;
B. user's handheld electronic equipment is connected the detection of shaking hands with personal computer on the described the Internet; C. personal computer is by the communication drivers program, and whether detect automatically has informational needs to send in user's outbox;
If d. there is informational needs to send, then automatically it is uploaded to personal computer and encryption by the line transmission;
E. personal computer is from being dynamically connected remote data server, and the information that will send uploads to the database of remote data server and the identify label number of the hand-hold electronic equipments that record is received information;
F. hand-hold electronic equipments will send the mail deletion in " outbox ", or forwards " outbox " to as sign, and will no longer repeat to have sent next time.
G. repeating above-mentioned c, d, e, f process, is empty up to " outbox ".
As shown in Figure 3, the receiving course of simplification comprises the steps:
A. user's handheld electronic equipment is connected the detection of shaking hands with personal computer on the described the Internet;
B. personal computer signs in to remote server by the communication drivers program, the identification of request user identity;
C. whether personal computer is connected to the database of remote data server automatically and searches for to have to send in database and have the NMAIL e-mail messages that this identify label trumpeter holds the electronic equipment user;
If d. have, the information of then downloading the hand-hold electronic equipments user belong to this identify label number from the database of remote server is to personal computer;
E. personal computer is by starting the communication drivers program, automatically the decrypts information that will download from remote server and the hand-hold electronic equipments that downloads to the user;
F. personal computer is with this mail deletion, and this information of mark is received in the database of remote server simultaneously, and will no longer send this information next time.
G. repeat above-mentioned c, d, e, f process, " outbox " is empty in server database.
The process that hand-hold electronic equipments manufacturer upgrades the remote server data storehouse comprises the steps: as shown in Figure 4
A. use transfer of data communication drivers software to connect the database of remote server;
B. increase the registered user of hand-hold electronic equipments to the remote server request;
C. distribute identify label number for the hand-hold electronic equipments that increases newly according to the rule of database and personal information is deposited in the database of remote server.
Hand-hold electronic equipments manufacturer also can provide various learning materials to the user of hand-hold electronic equipments with said method, has so just realized that producer can push learning materials to vast hand-hold electronic equipments user, or function such as software upgrading.
Highlight the processing procedure of NMAIL below at hand-hold electronic equipments:
At first, NMAIL has attached the PID address of a receiving terminal and the Starting mode of NMAIL when transmission.Remote server is set up the NMAIL database of corresponding receiving terminal according to the PID address of NMAIL, and with " outbox " that this NMAIL deposits this database in, waits for the line communication of this receiving terminal.If the hand-hold electronic equipments line (internet) of this receiving terminal, so just this NAMIL is transferred in the corresponding individual processor control of receiving terminal by the PC driver, and downloads corresponding N MAIL to hand-held electronic equipment end by (USB, UART, wireless telecommunications) by this control.
The hand-hold electronic equipments end is deposited the NMAIL that receives in " inbox ", also will set up the Starting mode that receives the startup bookmark of a NMAIL simultaneously.
For the management of NMAIL, the NMAIL that each NMAIL has been set up a correspondence indicates bookmark, the state of this NMAIL of mark.Just can know clearly the state of this NMAIL by the sign bookmark of this NMAIL.Such as: whether whether whether start, transmit, delete or the like, this sign bookmark also comprises the PID address of transmission, acceptor's PID address and the Starting mode of recipient's needs simultaneously.
Start the form such as the following table of bookmark:
| The NMAIL title | Start-up time | Starting mode |
The form such as the following table of sign bookmark:
| The NMAIL title | Send PID | Receive PID | The NMAIL state | Starting mode |
Transmission means has following three kinds:
1, use the communication modes of PTT, this communication modes does not need user's manual process, as PC, only needs networking, just can send or receive all NMAIL files automatically by a key on the input unit of hand-hold electronic equipments (" PTT " is strong).This transmission is the same with EMAIL, also needs to detect automatically network and line.Its benefit is the manual operation that has reduced the user, and foolproof operation is provided.
2, by the PC Network Transmission, this transmission need manually enter corresponding menu and handle, and handles will bother relatively.
3, with two-shipper to passing, what two or more users can use the two-shipper line handles direct transfer files to the biography mode by menu.
Transmission medium: internet, transmission procedure, USB, UART, infrared ray, wireless transmission, hand-held set, server, PC.
The content of NMAIL: warm tip, encourage learning, encourage, learn that feelings circulars, red-letter day are reminded, birthday blessing and out of Memory and notice; Greeting between FLASH animation and the classmate and blessing etc.
Starting mode: starting up, prompting in red-letter day, countdown, regularly prompting or the like.
Fig. 8 is the flow chart that hand-hold electronic equipments outwards sends information; Described information process of transmitting comprises following concrete steps:
A1. the user edits the mail Nmail that will send on handheld terminal, and sets Starting mode;
The mail Nmail that a2. will send on handheld terminal is set at state to be sent, and sets receiving terminal, is kept at outbox;
B. user's handheld electronic equipment with enter following " trilogy of shaking hands " after personal computer on the described the Internet is connected: 1) the personal computer monitoring and receive the communication speed of described hand-hold electronic equipments requirement, 2) hand-hold electronic equipments sends enable mode and is: A, " PTT " pattern (carrying out automatic transmission and the automatic reception process that mail is just finished in once-through operation automatically by a button on hand-hold electronic equipments); The pattern that B or manual menu carry out " download "; 3) personal computer is confirmed the identity and the communication speed of described hand-hold electronic equipments, and carries out subsequent communications with it with the desired communication speed of hand-hold electronic equipments;
C1. personal computer is logined remote server by data distributing program, request user's identity identification;
C2. remote server is confirmed identify label number, and the personal information of transmitting terminal;
C3. personal computer transmission driver inquires automatically whether the hand-hold electronic equipments terminal has mail Nmail to be sent;
C4. hand-hold electronic equipments receives personal computer and inquires in the management control search outbox of back startup Nmail whether remain to be sent out mail Nmail;
C5. hand-hold electronic equipments is replied the transmission procedure of personal computer, and answering has mail Nmail to be sent;
D. personal computer uploads to this personal computer and encryption with the mail Nmail of hand-hold electronic equipments automatically by the line transmission;
E1. personal computer sends to remote server to the mail Nmail that uploads automatically by transmission procedure in the hand-hold electronic equipments outbox;
E2. hand-hold electronic equipments will send in the outbox mail Nmail deletion, or the mail Nmail that will send dumps to and sends out mailbox;
E3. remote server receives this mail and it is saved in the associated databases of recipient on server;
F. the process that repeats above-mentioned c3～c5, d, e1～e3 is sky in hand-hold electronic equipments " outbox ";
G. process of transmitting finishes.
Fig. 9 is the flow chart that hand-hold electronic equipments receives information; Described message pick-up process comprises following concrete steps:
A. user's handheld electronic equipment with enter following " trilogy of shaking hands " after personal computer on the described the Internet is connected: 1) the personal computer monitoring and receive the communication speed of described hand-hold electronic equipments requirement, 2) hand-hold electronic equipments sends enable mode and is: A, " PTT " pattern (carrying out automatic transmission and the automatic reception process that mail is just finished in once-through operation automatically by a button on hand-hold electronic equipments); B or the pattern of carrying out " download " by manual menu; 3) personal computer is confirmed the identity and the communication speed of described hand-hold electronic equipments, and carries out subsequent communications with it with the desired communication speed of hand-hold electronic equipments;
B. personal computer is by the communication drivers program, automatically whether the described hand-hold electronic equipments of inquiry has informational needs to send, described hand-hold electronic equipments startup " NMAIL " management control detects automatically not have among user's " outbox " and waits to send out a mail, and personal computer is answered;
C. whether personal computer is connected to the database of remote data server automatically and searches for to have to send in the database of correspondence and have the e-mail messages that this identify label trumpeter holds the electronic equipment user;
D. if any, remote server mail Nmail is sent on the personal computer with recipient's line;
E. personal computer by transmission procedure with the deciphering of this mail Nmail and Starting mode and download in " inbox " with the hand-hold electronic equipments of this personal computer line;
F. personal computer is deleted this mail " NMAIL " from outbox, is designated transmit status simultaneously in the remote server data storehouse;
G. repeating above-mentioned c, d, e, f process, is empty up to this outbox that sends user's institute's correspondence database in its server of mail Nmai1;
H. receiving course finishes.
This shows that the utility model device has been expanded Email user's scope greatly, particularly at the student of school.Be limited to various conditions, each student unlikely has a personal computer, but is easier to have one one as the hand-hold electronic equipments as the e-dictionary, because the price comparison of this hand-hold electronic equipments is cheap, general two, 300 yuans that only need, popularity rate is very high.The student utilizes hand-hold electronic equipments at hand earlier the object of mail, reception mail to be ready to, be connected to the personal computer that to surf the Net (it is public for the student that some the personal computers that can surf the Net can be prepared by school) then, can realize the transmitting-receiving of Email, realize resource-sharing.
Claims (5)
1. the hand-hold electronic equipments that can realize that remote information is transmitted comprises: central processing unit, with the two-way random asccess memory that is connected of central processing unit, display screen and input equipment, it is characterized in that:
Described handheld device is provided with the communication interface that can carry out information exchange with the personal computer on the Internet and defer to " PTT " communication protocol, but also have one with described central processing unit two-way that be connected, the program storage that can respond handling procedure, mail software for editing and the mail playout software of carrying out described personal computer communication drive software instruction is installed.
2. the hand-hold electronic equipments that can realize that remote information is transmitted according to claim 1, it is characterized in that: the central processing unit of described hand-hold electronic equipments, program storage and random asccess memory are installed in the inner chamber of housing, described input equipment is fixed on the upper surface of housing, protecting cover is arranged on it, display screen is installed in the medial surface of protecting cover, and described housing is connected at the back side edge loose-leaf with protecting cover.
3. the hand-hold electronic equipments that can realize that remote information is transmitted according to claim 1, it is characterized in that: described communication interface is serial ports, parallel port, USB interface, infrared interface or blue tooth interface.
4. the hand-hold electronic equipments that can realize that remote information is transmitted according to claim 1, it is characterized in that: described input equipment is keyboard or touch-screen.
5. the hand-hold electronic equipments that can realize that remote information is transmitted according to claim 1, it is characterized in that: the input unit of described hand-hold electronic equipments is provided with " PTT " function button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520054540 CN2831631Y (en) | 2005-01-30 | 2005-01-30 | Hand-held electronic device able to realize remote information transfering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520054540 CN2831631Y (en) | 2005-01-30 | 2005-01-30 | Hand-held electronic device able to realize remote information transfering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2831631Y true CN2831631Y (en) | 2006-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520054540 Expired - Fee Related CN2831631Y (en) | 2005-01-30 | 2005-01-30 | Hand-held electronic device able to realize remote information transfering |
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| CN (1) | CN2831631Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8302004B2 (en) | 2007-12-31 | 2012-10-30 | Htc Corporation | Method of displaying menu items and related touch screen device |
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2005
- 2005-01-30 CN CN 200520054540 patent/CN2831631Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8302004B2 (en) | 2007-12-31 | 2012-10-30 | Htc Corporation | Method of displaying menu items and related touch screen device |
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