CN1304978C - Portable computer with data sharing expasion slot - Google Patents
Portable computer with data sharing expasion slot Download PDFInfo
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- CN1304978C CN1304978C CNB021302766A CN02130276A CN1304978C CN 1304978 C CN1304978 C CN 1304978C CN B021302766 A CNB021302766 A CN B021302766A CN 02130276 A CN02130276 A CN 02130276A CN 1304978 C CN1304978 C CN 1304978C
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- communication module
- computer
- portable computer
- electrically connected
- processor
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Abstract
The present invention provides a portable computer which can be electrically connected to a computer. The portable computer comprises a processor, a display device, a communication module comprising a first mode and a second mode, and an extending slot for receiving insertion of an extending card to extend the functions of the processor. When the communication module lies in the first mode, the communication module permits the extending slot to be communicated with the processor and forbids the extending slot to be communicated with the computer. When the communication module lies in the second mode, the communication module permits the extending slot to be communicated with the computer and forbids the extending slot to be communicated with the processor.
Description
Technical field
The present invention relates to a kind of portable computer, refer to that especially a kind of including can be by the portable computer of the expansion slot of other computer direct accessing data.
Background technology
Multiple computers can be linked together with the data shared wherein is Gospels of computer user maximum.Because portable computer is more and more welcome, therefore for computer user, the computer of oneself can be linked together with other people computer has just become very important something with the data of sharing wherein.
The portable computer of many prior aries all is equipped with expansion slot to be used for inserting other expansion card to expand the function of described portable computer, and concrete example please refer to Fig. 1.Fig. 1 is the synoptic diagram of the portable computer 10 of prior art, and portable computer 10 comprises an expansion slot 12 and is used for inserting a storer plug-in card 14.When storer plug-in card 14 is inserted into expansion slot 12, but portable computer 10 data in the access memory plug-in card 14 just, and portable computer 10 substantial memory capacity are also thereby increased.Except above-mentioned storer plug-in card 14, also can insert the expansion card of other kind in the expansion slot 12 of the portable computer 10 of prior art, for example similarly be peripheral interface card or network card etc.
Please refer to Fig. 2, Fig. 2 is the calcspar after the portable computer 10 of prior art is electrically connected to desktop computer 32.Portable computer 10 also comprises wireless communication module 18 and is used for wireless mode and desktop computer 32 swap datas, an input/output interface 20, one processors 22, one storeies 24, and a user interface 26.User interface 26 comprises a display device 28 and an input media 30, display device 28 can be a display panels (liquid crystal display, LCD).Input/output interface 20 is allowed processor 22 and expansion slot, wireless communication module 18, is reached swap data and instruction between the connectivity port 16.
If the data in expansion slot 12 and the corresponding memory plug-in card 14 thereof are wanted to share to give desktop computer 32, the processor 22 in the portable computer 10 must be handled exchanges data therebetween.Therefore, must be compatible with each other between operating system in the processor 22 and the operating system in the desktop computer 32.And desktop computer 32 can be limited the data in the access memory plug-in card 14 by the light of nature, because the exchange between these data is responsible for handling by processor 22.
The portable computer 10 of prior art has a main shortcoming, and being exactly expansion slot 12 and corresponding memory plug-in card 14 interior data can't be by 32 direct access of desktop computer.When desktop computer 32 only can come data in the access memory plug-in card 14 by processor 22 indirectly with limited mode, desktop computer 32 just can not be considered as storer plug-in card 14 storer of himself.This situation equally also can occur in when the expansion card of other kind is inserted into the expansion slot 12 of portable computer 10.Under general situation, for example, when the operating system of the operating system of portable computer 10 and desktop computer 32 is incompatible, but allow the data in the desktop computer 32 direct access storage device plug-in cards 14 (or other expansion card) just seem extremely important.
Therefore, up to the present, the computer of one built-in expansion slot is not provided prior art as yet so that other computer can be by the data in the described computer of described Extended Capabilities Port direct access.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of portable computer, be provided with an expansion slot in it, other computer can be by the data in the described portable computer of described expansion slot direct access.
Portable computer of the present invention comprises a processor, one display device is electrically connected on described processor, is used for the data that video-stream processor exports, and a communication module is electrically connected on described processor, be used for and described dataphone, described communication module comprises one first pattern and one second pattern.Described portable computer also comprises an expansion slot and is electrically connected on described processor, can accept the function of the insertion of an expansion card with extensible processor.When described communication module is in described first pattern, described communication module is allowed expansion slot and described communication between processes and is forbidden carrying out between described expansion slot and the described computer communication, and when described communication module was in described second pattern, described communication module was then allowed and is carried out communication between described expansion slot and the described computer and forbid described expansion slot and described communication between processes.
Description of drawings
Fig. 1 is the synoptic diagram of the portable computer of prior art.
Fig. 2 is the calcspar after the portable computer of prior art is electrically connected to a desktop computer.
Fig. 3 is the calcspar of most preferred embodiment one portable computer of the present invention.
Fig. 4 is the calcspar when the communication module of portable computer of the present invention is in second pattern.
Fig. 5 is second embodiment of the communication module among Fig. 3.
Each description of reference numerals in the accompanying drawing is as follows:
10,40 portable computers, 12,5 expansion slots
14 storer plug-in cards, 16 connectivity ports
18,56 wireless communication modules, 20 input/output interfaces
22,42 processors, 24,44 storeies
26,46 user interfaces, 28,48 display device
30,50 input medias, 32,60 computers
51 communication modules, 52 on-off circuits
53 testing circuits, 54 connectivity ports
62 electromagnetic signals, 64 expansion cards
Embodiment
Please refer to Fig. 3, Fig. 3 is the calcspar of a portable computer 40 of most preferred embodiment of the present invention, and portable computer 40 comprises a processor 42, a storer 44 and a user interface 46.User interface 46 comprises a display device 48 and an input media 50, display device is generally a display panels, input media 50 can be the device of any kind of, for example similarly is touch control component, keyboard or the touch miniature keyboard (touch pad) etc. that are used for display panels 48.Portable computer 40 also comprises a communication module 51 and is electrically connected to processor 42, one connectivity port 54, one wireless communication module 56, an and expansion slot 58, communication module 51 is to be used for handling processor 42 and connectivity port 54, wireless communication module 56, and the exchanges data between the expansion slot 58, connectivity port 54 is to be used for portable computer 40 is connected to a computer 60 so that data are able to exchange between portable computer 40 and computer 60, the purposes and the connectivity port of wireless communication module 56 are similar, only wireless communication module 56 is the standards according to radio area network, for example IEEE 802.11b utilizes electromagnetic signal 62 and computer 60 to carry out communication.Expansion slot 58 can be accepted the insertion of an expansion card 64, and expansion card 64 can provide computer 40 other extra functions, for example similarly is extra storer, network interface and perimeter interface etc.For the purpose of more detailed and convenient explanation, the expansion slot 58 of portable computer 40 is a secure digital expansion slot (secure digital expansion slot among the present invention, SD expansionslot), and expansion card 64 is a secure digital storer plug-in card, abbreviate secure digital plug-in card (securedigital card as, but do not represent that expansion slot 58 and expansion card 64 just are two kinds of above-mentioned devices SD card).Certain portable computer of the present invention 40 still comprises other element, but because these elements are all and have the knack of this operator and know, and it is uncorrelated again with most preferred embodiment of the present invention, so do not do any explanation in this.
Communication module 51 in the portable computer 40 comprises an on-off circuit 52 and a testing circuit 53.For convenience of description, shown on-off circuit 52 is an on-off circuit of simplifying among Fig. 3.It will be appreciated by those skilled in the art that in the application of reality on-off circuit 52 can be made by an integrated circuit input/output bus (integrated circuit I/O bus).Similarly, shown testing circuit 53 also is only to be a synoptic diagram among Fig. 3, and it can be made by an integrated circuit (IC) wafer.Certainly, on-off circuit 52 and testing circuit 53 also can be total to structure on single wafer.
Testing circuits 53 in the portable computer 40 detect connectivity ports 54, wireless communication module 56, and the state of expansion slot with gauge tap circuit 52 correspondingly.For example, testing circuit 53 among Fig. 3 just detects connectivity port 54 and is not connected to the state that computer 60 and wireless communication module 56 are in running, this has illustrated that this moment, portable computer 40 was to operate in a movable manner, that is to say that portable computer 40 is not connected to computer 60 this moment.Testing circuit 53 also correspondingly gauge tap circuit 52 make expansion slot 58 be electrically connected to processor 42, and make connectivity port 54 and wireless communication module 56 are connected to processor 42.Therefore, processor 42 just can be handled possible exchanges data between connectivity port 54 or wireless communication module 56 and the expansion slot.Therefore, computer 60 also can't or send instruction to expansion slot 58 direct accessing datas at this moment, because the storer plug-in card 64 interior data that are inserted on the expansion slot 58 are controlled by processor 42.First pattern of above-mentioned communication module 51 is to be controlled the access of data in the expansion card 64 by processor 42.
Please refer to Fig. 4, the calcspar when Fig. 4 is in second pattern for the communication module 51 of portable computer 40 of the present invention.On-off circuit 52 among Fig. 4 comprises a plurality of switch 52c, 52w, reaches 52p.To have detected that connectivity port 54 is electrically connected to computer 60 and detects wireless communication module 56 be the in idle state to testing circuit 53 this moment among Fig. 4, this, portable computer 40 just was electrically connected to computer 60 by a support or similar device explanation this moment, and with computer 60 operate together that is combined into one.Testing circuit 53 also correspondingly gauge tap circuit 52 set switch 52p for expansion slot 58 and can't be electrically connected to computer 60, and with switch 52c and 52w sets connectivity port 54 for and wireless communication module 56 all is electrically connected to expansion slot 58.Therefore, connectivity port 54 and wireless communication module 56 can be to expansion slot 58 direct accessing datas, and computer 60 just can and send instruction to expansion slot 58 direct accessing datas, and the storer plug-in card 64 interior data that are inserted on the expansion slot 58 are controlled by computer 60.
And the three-mode of the communication module 51 of portable computer 40 be defined as with switch 52c, 52w, and 52p set for processor 42, connectivity port 54, and wireless communication module 56 all be not electrically connected to expansion slot 58, when storer plug-in card 64 is pulled out from expansion slot 58 with regard to available three-mode, during vacancy, communication module 51 has just entered three-mode in communication module 51 detects expansion slot 58.
Refer again to Fig. 3, when a user wanted portable computer 40 used wirelessly, just portable computer 40 was not electrically connected with computer 60, and in order to reach this mode, described user can pull out connectivity port 54 from computer 60.Testing circuit 53 will detect connectivity port 54 and leaves unused subsequently, and testing circuit 53 can only be connected to processor 42 with expansion slot 58 by gauge tap circuit 52.In this simultaneously, described user still can be by the data in wireless communication module 56 accessed computers 60, and the data that are inserted in the storer plug-in card 64 on the expansion slot 58 are controlled by processor 42.
When described user wanted computer 60 is connected to portable computer 40 and uses portable computer 40, described user can be connected to computer 60 with the connectivity port 54 of portable computer 40 by support (cradle), cable or other similar coupling arrangement.Testing circuit 53 detects connectivity port 54 and has connected some device and gauge tap circuit 52 with switch 52c, 52w closure (close), and switch 52p is disconnected (open), as shown in Figure 4.Portable computer 40 is allowed the data in computer 60 direct access expansion slots 58 and the storer plug-in card 64 this moment, the data in mustn't processor 42 direct access storage device plug-in cards 64.
Please refer to Fig. 5, Fig. 5 is second embodiment of the communication module 51 among Fig. 3, the communication module 51 among Fig. 5 ' comprise on-off circuit 52, but do not comprise testing circuit 53.Originally switch 52c, the 52w in the configuration switch circuit 52, and the work of 52p then change by processor 42, connectivity port 54, and wireless communication module 56 be responsible for. Switch 52c, 52w, and 52p also can be set and make three kinds of above-mentioned different operating modes of communication module 51 ' also have, just first pattern, second pattern, and three-mode.
In a second embodiment, communication module 51 ' via processor 42, connectivity port 54, and wireless communication module 56 receive instruction correspondingly to switch to different operating modes.Therefore, computer 60 and processor 42 must can close fit is how by access with the data in the decision storer plug-in card 64 actually, so processor 42 and computer 60 data in just can shared storage plug-in card 64.In fact, the Be Controlled more effectively in second embodiment of the data in the storer plug-in card 64.Though second embodiment is not more had an automatism by comparison with most preferred embodiment, yet the purpose of the data in the direct access storage device plug-in card 64 still can be reached in a second embodiment.
The four-mode of the communication module 51 of portable computer 40 also is to finish by second embodiment.In four-mode, switch 52c, 52w, and 52p all be configured to opening, so that computer 60 and processor 42 can that is to say that all the data in the storer plug-in card 64 can be used by computer 60 and processor 42 simultaneously to expansion slot 58 direct accesses.As previously mentioned, switch 52c, 52p, and 52w in fact be all certain integrated circuit, the shown switch 52c, the 52p that only have single output/input end among Fig. 5, and 52w, pure only for convenience of description.
Certainly, the present invention also has other extra switch to set the pattern of combination and corresponding on-off circuit 52, however the pattern of these the extra on-off circuits 52 existing circuit design that is on-off circuits 52, and it can't exceed the scope of above-mentioned four kinds of patterns.
For most preferred embodiment and second embodiment for both, connectivity port 54 may be unnecessary, wireless communication module 54 may be unique can with the device of computer 60 communications, and the operating state of wireless communication module 51 can be detected by the communication module in the most preferred embodiment 51.Similarly, portable computer 40 of the present invention also not necessarily will comprise wireless communication module 56, and the connection status of connectivity port 54 can be detected by the communication module in the most preferred embodiment 51.
Through using the disclosed technology of the present invention, portable computer 40 of the present invention for example also can have on-off circuit 52 by the embodiment of testing circuit 53 and 42 common controls of processor.
Compared with prior art, the communication module in the portable computer of the present invention can allow that a processor in the portable computer and a computer are directly to an expansion slot and corresponding expansion card access data thereof.The present invention also provides multiple different can the automatic switchover or the operating mode of controlled communication module, by being that the data in the expansion card just can be used by portable computer and other computer simultaneously.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claims of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (16)
1. portable computer, it can be electrically connected to a computer, and described portable computer comprises:
One processor;
One display device, it is electrically connected on described processor, is used for the data that video-stream processor exports;
One communication module, it is electrically connected on described processor, is used for and described dataphone, and described communication module comprises one first pattern and one second pattern; And
One expansion slot, it is electrically connected on described processor, can accept the function of the insertion of an expansion card with extensible processor;
Wherein, when described communication module is in described first pattern, described communication module is allowed described expansion slot and described communication between processes and is forbidden carrying out between described expansion slot and the described computer communication, and when described communication module was in described second pattern, described communication module was then allowed and is carried out communication between described expansion slot and the described computer and forbid described expansion slot and described communication between processes.
2. portable computer as claimed in claim 1, wherein said communication module also comprises a three-mode, wherein when described communication module is in described three-mode, described communication module is forbidden described expansion slot and described communication between processes, and forbids carrying out communication between described expansion slot and the described computer.
3. portable computer as claimed in claim 2, wherein after described expansion card was pulled out in the described expansion slot, described communication module was in described three-mode.
4. portable computer as claimed in claim 1, it also comprises a connectivity port, and it is electrically connected on described communication module, and described connectivity port can be electrically connected to described computer.
5. portable computer as claimed in claim 4, the mode initialization of wherein said communication module be by described communication module detect described portable computer described connectivity port status of electrically connecting and decide, wherein when described connectivity port is not electrically connected to described computer, described communication module is in described first pattern, and when described connectivity port was electrically connected to described computer, described communication module was in described second pattern.
6. portable computer as claimed in claim 1, it also comprises a wireless communication module, it is electrically connected on described communication module, described wireless communication module can with described computer swap data.
7. portable computer as claimed in claim 6, the mode initialization of wherein said communication module is to decide by described communication module detects the communication state of described wireless communication module, wherein when described wireless communication module during not with described computer swap data, described communication module is in described first pattern, and when described wireless communication module during with described computer swap data, described communication module is in described second pattern.
8. portable computer as claimed in claim 6, the mode initialization of wherein said communication module is to decide by described communication module detects the communication state of described wireless communication module, wherein when described wireless communication module during with described computer swap data, described communication module is in described first pattern, and when described wireless communication module during not with described computer swap data, described communication module is in described second pattern.
9. portable computer as claimed in claim 1, the pattern of wherein said communication module are to be set by described processor and described computer.
10. portable computer as claimed in claim 9, wherein said communication module also comprises a four-mode, when described communication module was in described four-mode, described communication module was allowed between described expansion slot and described processor and the described computer and is carried out communication.
11. portable computer as claimed in claim 1, it also comprises a connectivity port, and it is electrically connected on described communication module, and described connectivity port can be electrically connected to described computer.
12. portable computer as claimed in claim 1, it also comprises a wireless communication module, and it is electrically connected on described communication module, described wireless communication module can with described computer swap data.
13. portable computer as claimed in claim 1, it also comprises an input media, is used for data are inputed to described portable computer.
14. portable computer as claimed in claim 1, wherein said expansion card are a secure digital plug-in card.
15. portable computer as claimed in claim 1, wherein said expansion card are a storer plug-in card.
16. portable computer as claimed in claim 1, wherein said display device are a display panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021302766A CN1304978C (en) | 2002-08-22 | 2002-08-22 | Portable computer with data sharing expasion slot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021302766A CN1304978C (en) | 2002-08-22 | 2002-08-22 | Portable computer with data sharing expasion slot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1477534A CN1477534A (en) | 2004-02-25 |
| CN1304978C true CN1304978C (en) | 2007-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021302766A Expired - Fee Related CN1304978C (en) | 2002-08-22 | 2002-08-22 | Portable computer with data sharing expasion slot |
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| Country | Link |
|---|---|
| CN (1) | CN1304978C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403998B (en) * | 2008-11-10 | 2011-07-20 | 牛超星 | Expansion method for electronic host equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5832237A (en) * | 1995-05-17 | 1998-11-03 | Samsung Electronics Co., Ltd. | Portable computer system and method for controlling a power of system |
| US6375479B1 (en) * | 2000-08-31 | 2002-04-23 | 3Com Corporation | Retractable connector with an alignment mechanism for use with electronic devices |
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2002
- 2002-08-22 CN CNB021302766A patent/CN1304978C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5832237A (en) * | 1995-05-17 | 1998-11-03 | Samsung Electronics Co., Ltd. | Portable computer system and method for controlling a power of system |
| US6375479B1 (en) * | 2000-08-31 | 2002-04-23 | 3Com Corporation | Retractable connector with an alignment mechanism for use with electronic devices |
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| Publication number | Publication date |
|---|---|
| CN1477534A (en) | 2004-02-25 |
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