CN101799719B - Keyboard and mouse switcher and switching method thereof - Google Patents
Keyboard and mouse switcher and switching method thereof Download PDFInfo
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- CN101799719B CN101799719B CN2009100043171A CN200910004317A CN101799719B CN 101799719 B CN101799719 B CN 101799719B CN 2009100043171 A CN2009100043171 A CN 2009100043171A CN 200910004317 A CN200910004317 A CN 200910004317A CN 101799719 B CN101799719 B CN 101799719B
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Abstract
The invention provides a keyboard and mouse switcher and a switching method thereof, wherein the switcher is built in a computer device and comprises an information monitoring unit, a hot key lookup table and a hot key identification controller. The information monitoring unit is used for monitoring and receiving the input information generated by at least one of a keyboard and a mouse. The hot key lookup table is used for storing at least one starting hot key information. The hot key identification controller is used for receiving the input information and the starting hot key information, and the hot key identification controller is used for identifying whether the input information is hot key information and disabling or enabling the input information to be transferred to the computer device according to the hot key information and the starting hot key information. A great number of computer devices can be operated by a single group of keyboard or mouse through a single one-to-many transmission line or a single-frequency wireless transmission device, and the hardware cost can be effectively saved.
Description
Technical field
The invention relates to a kind of keyboard and mouse switcher and switching method.
Background technology
Along with the progress of electronic technology and the arriving of information age, in society now, the situation of operating many computer installations simultaneously is more and more general.In existing technical field, every single computer installation all has its corresponding affiliated user's input interface, and for example single keyboard, single mouse or keyboard and mouse are imported and operated this computer installation simultaneously.Therefore, want to operate many computer installation, just necessary corresponding use a lot of keyboard and mouse.
That is to say that in existing technical field, want to operate many computer installations and place on the table and as many keyboard of the quantity of computer installation and mouse with regard to inevasible needs, very big area virtually accounts for.In addition, keyboard and the mouse of preparing many groups also caused the increase on the cost.And, when the user uses a computer device in change, also need constantly to change the position, caused the puzzlement of using.
In view of the above, prior art also has a kind of being provided at of proposition to carry out keyboard screen mouse (KVM) switch that keyboard and mouse switches between different computer installations.This KVM switch is connected on outward between many computer installations and keyboard, screen and the mouse, switches to select keyboard, screen and mouse to want corresponding computer installation.Yet, need this KVM switch of extra purchase, and its price is very expensive.And the hot key of setting on the KVM switch can not be set arbitrarily by the user, in case conflict the difficulty that will use mutually with the hot key of application in the computer installation.
Summary of the invention
The invention provides a kind of keyboard and mouse switcher, in build in the computer installation, switch the information transmission of keyboard or mouse and computer installation in order to utilize hot key information.
The invention provides a kind of keyboard and mouse changing method, switch the information transmission of keyboard or mouse and computer installation according to hot key information.
The present invention proposes a kind of keyboard and mouse switcher, in be built in the computer installation, this keyboard and mouse switcher comprises information monitoring unit, hot key look-up table and hot key identification controller.The information monitoring monitoring units also receives keyboard and the mouse input information that one of them produced at least, and transmit this input information.The hot key look-up table then starts hot key information in order to deposit at least one.Hot key identification controller couples this information monitoring unit and hot key look-up table, and in order to the reception input information, and whether the identification input information is hot key information.Hot key identification controller more receives and starts hot key information and according to hot key information and start hot key information with forbidden energy or enable input information and be sent in the computer installation.
In one embodiment of this invention, above-mentioned hot key identification controller comprises the hot key identification unit, enables controller and information identification unit.The information identification unit couples the information monitoring unit, and whether the identification input information is hot key information in order to receive also.The hot key identification unit couples hot key look-up table, information identification unit and enables controller, in order to receiving hot key information and to start hot key information, and according to hot key information and start hot key information and start flag to produce.Enabling controller then is to couple hot key identification unit and information identification unit, receives input information and starts flag, and judge whether to transmit input information to computer installation according to starting flag.
In one embodiment of this invention, above-mentioned hot key identification unit is judged hot key information and is started hot key information when equating, enables to start flag.In addition, judge hot key information and start hot key information when unequal that when the hot key identification unit then forbidden energy starts flag.
In one embodiment of this invention, when above-mentioned startup flag enables, enable controller and receive input information and transmit input information to computer installation by the information identification unit.
In one embodiment of this invention, above-mentioned keyboard and mouse switcher more comprises analogue unit, and analogue unit couples hot key look-up table and hot key identification controller.In order to provide the virtual key data to hot key identification controller according to starting flag.
In one embodiment of this invention, above-mentioned hot key look-up table more comprises the kind of information of depositing mouse and keyboard.
In one embodiment of this invention, above-mentioned virtual key data comprise this kind of information.
In one embodiment of this invention, above-mentioned analogue unit provides the virtual key data to enabling controller when starting flag for forbidden energy.
In one embodiment of this invention, above-mentioned information identification unit comprises the selection circuit.When input information is hot key information, select circuit to transmit hot key information to the hot key identification unit, when input information is not hot key information, select circuit to transmit input information to enabling controller.
In one embodiment of this invention, above-mentioned keyboard and mouse switcher more comprises keyboard controller, couples hot key identification controller, and in order to transmit input information to computer installation.
In one embodiment of this invention, above-mentioned hot key look-up table is a storer.
The present invention provides a kind of keyboard and mouse changing method in addition, at least one of them transmits input information to computer installation in order to switchboards and mouse, comprise: the input information that at first receives keyboard or mouse and produced, and monitor whether input information is hot key information, then read the hot key information that starts, and according to hot key information and start hot key information and whether be sent to computer installation with the input information of judging keyboard or mouse and being produced.
Based on above-mentioned, whether the present invention equals hot key information by instant and lasting detection keyboard or the mouse input information that one of them transmitted at least, judges whether keyboard or the mouse input information that one of them transmitted at least is sent in the corresponding computer installation.By this, single group keyboard or mouse can be operated comparatively most computer installations by the transmission line of single one-to-many or the radio transmitting device of single-frequency, can effectively save hardware cost.
Description of drawings
Fig. 1 illustrates the keyboard and mouse switcher 100 of one embodiment of the invention.
Fig. 2 illustrates the process flow diagram of an embodiment of keyboard and mouse changing method of the present invention.
Fig. 3 A illustrates the process flow diagram of another embodiment of keyboard and mouse changing method of the present invention.
Fig. 3 B then illustrates the embodiment synoptic diagram of operating a plurality of computer installations by keyboard and mouse switcher of the present invention.
Fig. 3 C illustrates another embodiment synoptic diagram of operating a plurality of computer installations by keyboard and mouse switcher of the present invention.
Drawing reference numeral:
100: keyboard and mouse switcher
110: the information monitoring unit
120: the hot key look-up table
130: hot key identification controller
131: the hot key identification unit
132: enable controller
133: the information identification unit
140: analogue unit
150: keyboard controller
311～314: wireless module
350: transmission line
KB: keyboard
MS: mouse
KM: keyboard and mouse
INF, INF1: input information
HKF: hot key information
EN: start flag
SHKF: start hot key information
VK: virtual key data
TIF: kind of information
S210～S230, S310～S350: the step of changing method
KMS1～KMS4: keyboard and mouse switcher
PCA～PCD: computer installation
Embodiment
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended graphic being described in detail below.
At first please refer to Fig. 1, Fig. 1 illustrates the keyboard and mouse switcher 100 of one embodiment of the invention.Build in the computer installation in the keyboard and mouse switcher 100 and (do not illustrate), keyboard and mouse switcher 100 comprises information monitoring unit 110, hot key look-up table 120 and hot key identification controller 130.Wherein, hot key identification controller 130 couples information monitoring unit 110 and hot key look-up table 120.Information monitoring unit 110 monitors keyboard KB, mouse MS one of them input information INF that whether produces at least, and transmission input information INF is to hot key identification controller 130.
At this, in order not miss keyboard KB and the mouse MS hot key information that one of them produced at least, when computer installation is in open state, the carrying out that the supervision action of information monitoring unit 110 can continue.
Hot key identification controller 130 comprises by hot key identification unit 131, enables controller 132 and information identification unit 133 is formed, hot key identification unit 131 wherein couples hot key look-up table 120 and information identification unit 133, enables 132 of controllers and couples hot key identification unit 131 and information identification unit 133.
When information identification unit 133 monitors input information INF when being hot key information, information identification unit 133 can transmit hot key information HKF to hot key identification unit 131.And hot key identification unit 131 reads the startup hot key information SHKF that is stored in the hot key look-up table 120, and comparison starts hot key information SHKF and hot key information HKF and judges and want forbidden energy or enable input information INF to be sent in the computer installation.
In the present embodiment, comprise selection circuit 111 in the information identification unit 133.Wherein when picking out received input information INF when being hot key information according to hot key look-up table 120, select circuit 111 to transmit the hot key identification unit 131 of hot key information HKF to the hot key identification controller 130 in information identification unit 133.In addition, when input information INF is not hot key information, selects circuit 111 to transmit this and do not enable controller 132 to the hot key identification controller 130 for the input information INF1 of hot key information.
Hot key identification unit 131 receives the hot key information HKF that is transmitted by information monitoring unit 110, and reads startup hot key information SHKF by hot key look-up table 120.Hot key identification unit 131 moves in order to the comparison that starts hot key information SHKF and hot key information HKF, and uses generation startup flag EN.
Enable 132 of controllers and be according to the forbidden energy that starts flag EN or enable to judge whether to transmit not input information INF1 for hot key information to computer installation.Briefly, when starting flag EN when enabling, enabling that controller 132 transmits is not that the input information INF1 of hot key information is to computer installation.
In other words, the startup hot key information SHKF indication that is write down in the hot key look-up table 120 must be exactly that computer installations under the keyboard and mouse switcher 100 are receiving the identical hot key information HKF with startup hot key information SHKF, just represents that the user will one of them operates this computer installation at least by mouse MS and keyboard KB.Under this situation, keyboard and mouse switcher 100 begins to transmit mouse MS, the keyboard KB input information INF that one of them produced at least to computer installation.
What deserves to be mentioned is that hot key look-up table 120 can be implemented by storer, the storer of indication can be that volatile storage also can be a non-volatility memorizer here.In addition, hot key look-up table 120 also can come construction with the equivalence element that memory function can be provided, the storer that is not limited in the instructions to be mentioned.Starting the mode that hot key information SHKF can its keyboard scancode is stored in the hot key look-up table 120.In view of the above, hot key identification unit 131 is as long as see through and check the keyboard scancode that starts hot key information SHKF and hot key information HKF, just can judge mouse MS, whether the keyboard KB input information INF that one of them produced at least will transfer to computer installation.
In addition, the keyboard and mouse switcher 100 of present embodiment more comprises analogue unit 140, and analogue unit 140 couples hot key look-up table 120 and hot key identification controller 130.The setting of analogue unit 140 is in order to when the computer opening, when checking the selftest action of keyboard and mouse, provide virtual key data VK to hot key identification controller 130, and see through hot key identification controller 130 these virtual key data of transmission VK to the good selftest of computer installation by computer installation.In addition, at the keyboard and mouse input end of computer installation under the state of ternary (tri-state), and computer installation needs to use (comprising inspection) keyboard and mouse at least during one of them input, and analogue unit 140 can correspondingly produce virtual key data VK to computer installation.That is to say that analogue unit 140 is when starting flag and be forbidden energy, analogue unit 140 provides virtual key data VK to enabling controller 132, with forge keyboard and mouse one of them is connected to computer installation at least.
Because during the selftest that when above-mentioned computer opening, is carried out, can check the kind (keyboard of routine IBM PC/XT, IBM PC/AT or IBM PS/2 or other kinds etc.) of keyboard and mouse, therefore, the virtual key data VK that provided of analogue unit 140 includes above-mentioned kind of information TIF about keyboard and mouse.And this kind of information TIF is stored in hot key look-up table 120, reads so that analogue unit 140 to be provided, and produces virtual key data VK according to this.
Subsidiary one carries, and keyboard and mouse switcher 100 more comprises keyboard controller 150, and keyboard controller 150 couples hot key identification controller 130, is used for transmitting the input information INF that transmitted by hot key identification controller 130 to computer installation.
Please pay special attention at this, build in the computer system in the keyboard and mouse switcher 100 of present embodiment, for example keyboard and mouse switcher 100 can be configured in super input and output in the computer installation (SuperInput Output is SIO) in the unit.Therefore, use the computer installation of equipment keyboard and mouse switcher 100 just can not need to purchase again extra equipment, just can realize operating the function of many computer installations with one group of keyboard KB and mouse MS or one of them.In addition, because keyboard and mouse switcher 100 is arranged in the super input-output unit of computer installation, no matter be that the keyboard KB of wireline interface and the keyboard KB and the mouse MS of mouse MS and wave point can switch the computer installation that will operate by keyboard and mouse switcher 100 therefore.
With the next Fig. 2 that please refer to, Fig. 2 illustrates the process flow diagram of an embodiment of keyboard and mouse changing method of the present invention.Step wherein comprises: at first, receive keyboard and the mouse input information S210 that one of them produced at least, and monitor whether input information is hot key information.Then, read and start hot key information S220, and according to hot key information and start hot key information to judge that keyboard or mouse are produced this input information and whether be sent to computer installation S230.Briefly, the present embodiment utilization monitors and judges whether input information that keyboard or mouse produce equals to be pre-stored in the startup hot key information in the storer, when input information equals to start hot key information, then start keyboard and the mouse interface of one of them operational computations machine at least.Opposite, when input information is not equal to when starting hot key information, closing keyboard and the mouse interface of one of them operational computations machine at least then.
For making those skilled in the art more can understand the present invention, below will propose another embodiment according to keyboard and mouse changing method of the present invention again and come more careful explanation.
Please be simultaneously with reference to Fig. 3 A and Fig. 3 B, wherein, Fig. 3 A illustrates the process flow diagram of another embodiment of keyboard and mouse changing method of the present invention, and Fig. 3 B then illustrates the embodiment synoptic diagram of operating a plurality of computer installations by keyboard and mouse switcher of the present invention.At first, keyboard and mouse switcher KMS1～KMS4S310 of computer installation PCA～PCD that sequential start is all, and stop the information transmission S320 of keyboard and mouse KM and all computer installation PCA～PCD and make the keyboard and mouse input end of computer installation PCA～PCD present ternary state.
Because keyboard and mouse switcher KMS1～KMS4 of this moment is the state that starts, therefore, the input information that keyboard and mouse switcher KMS1～KMS4 meeting while and the reception keyboard and mouse KM that continues are produced, and check that these input informations have or not hot key information S330.If the input information that keyboard and mouse KM produces does not include hot key information, then keyboard and mouse switcher KMS1～KMS4 keeps the state of step S330.Opposite, if keyboard and mouse switcher KMS1～KMS4 checks out the input information that keyboard and mouse KM produces and includes hot key information, then keyboard and mouse switcher KMS1～KMS4 carries out the comparison action of this hot key information startup hot key information stored with it respectively, and whether use what judge that keyboard and mouse KM wants start-up operation be one of them S340 of computer installation PCA～PCD.For instance, equate, then start the information transmission S350 of computer installation PCA and keyboard and mouse KM if judge the stored startup hot key information of hot key information that keyboard and mouse KM transmits and the keyboard and mouse switcher KMS1 of computer installation PCA.
If judge hot key information among the step S340 and be different from the stored startup hot key information of any one keyboard and mouse switcher KMS1～KMS4, then reply execution in step S320, and detect new hot key information again.
In addition, after the information transmission that starts computer installation PCA and keyboard and mouse KM, keyboard and mouse switcher KMS 1～KMS4 is according to continuing to check that input information has or not hot key information S330, with etc. pending another computer installation of keyboard and mouse KM blocked operation PCB, PCC or PCD.
Subsidiary one carries, only need to see through an a pair of multichannel transmission line 350 among keyboard and mouse KM and the computer installation PCA～PCD and be connected and just can finish transmission of Information and move, and transmission line 350 can to use for example be the transfer wire of PS/2 form.Certainly, also can see through Wireless transmission mode between keyboard and mouse KM and computer installation PCA～PCD and reach the transmission of Information action.
Certainly, in the embodiments of the invention, also can transmit between keyboard and mouse KM and computer installation PCA～PCD by wireless mode.Below please refer to Fig. 3 C, Fig. 3 C illustrates another embodiment synoptic diagram of operating a plurality of computer installations by keyboard and mouse switcher of the present invention.Computer installation PCA～PCD wherein has wireless module 311～314 separately.And keyboard and mouse KM then sets up transmission relation by one of them of wireless module 311～314 and computer installation PCA～PCD, and and then one of them of operational computations machine PCA～PCD.
In sum, in utilizing, the present invention build the keyboard and mouse switcher in the computer installation in, detect keyboard and the mouse hot key information that one of them produced at least, and compare the startup hot key information that is pre-stored in the keyboard and mouse switcher by the hot key data, reach keyboard and mouse and switch operated computer installation.Do not need to acquire extra hardware equipped, do not take up room and can save cost.And keyboard and mouse switcher can also be arranged in the super input-output unit, can provide wired and wireless keyboard and mouse to use.
Though the present invention discloses as above with embodiment; right its is not in order to qualification the present invention, any affiliated technical field technician, without departing from the spirit and scope of the present invention; when doing a little change and retouching, so protection scope of the present invention is when being as the criterion that the right requirement is defined.
Claims (18)
1. keyboard and mouse switcher, in be built in the computer installation, it is characterized in that described keyboard and mouse switcher comprises:
One information monitoring unit monitors and receives a keyboard and the mouse input information that one of them produced at least, and transmits described input information;
One hot key look-up table is deposited at least one startup hot key information; And
One hot key identification controller, couple described information monitoring unit and described hot key look-up table, receive described input information, and whether the described input information of identification is a hot key information, described hot key identification controller more receives described startup hot key information, according to described hot key information and described startup hot key information with forbidden energy or enable described input information and be sent in the described computer installation.
2. keyboard and mouse switcher as claimed in claim 1 is characterized in that, described hot key identification controller comprises:
One information identification unit couples described information monitoring unit, and whether the described input information of identification is described hot key information in order to receive also;
One hot key identification unit couples described hot key look-up table and described information identification unit, receives described hot key information and described startup hot key information, and starts flag according to described hot key information and described startup hot key information to produce one; And
One enables controller, couples described hot key identification unit and described information identification unit, receives described input information and described startup flag, judges whether to transmit described input information to described computer installation according to described startup flag.
3. keyboard and mouse switcher as claimed in claim 2, it is characterized in that, described hot key identification unit is judged when described hot key information and described startup hot key information equate, enable described startup flag, when described hot key identification unit judges that described hot key information and described startup hot key information are unequal, the described startup flag of forbidden energy then.
4. keyboard and mouse switcher as claimed in claim 3 is characterized in that, when described startup flag enabled, the described controller that enables received described input information by described information identification unit and transmits described input information to described computer installation.
5. keyboard and mouse switcher as claimed in claim 2 is characterized in that, described keyboard and mouse switcher more comprises:
One analogue unit couples described hot key look-up table and described hot key identification controller, in order to provide virtual key data to described hot key identification controller according to described startup flag.
6. keyboard and mouse switcher as claimed in claim 5 is characterized in that, described hot key look-up table more comprises a kind of information of depositing described mouse and described keyboard.
7. keyboard and mouse switcher as claimed in claim 6 is characterized in that, described virtual key data comprise described kind of information.
8. keyboard and mouse switcher as claimed in claim 5 is characterized in that, described analogue unit provides during for forbidden energy described virtual key data to the described controller that enables when described startup flag.
9. keyboard and mouse switcher as claimed in claim 2 is characterized in that, described information identification comprises in the unit:
One selects circuit, when described input information is described hot key information, described selection circuit transmits described hot key information to described hot key identification unit, and when described input information be described hot key information, described selection circuit transmitted the extremely described controller that enables of described input information.
10. keyboard and mouse switcher as claimed in claim 1 is characterized in that, described keyboard and mouse switcher more comprises:
One keyboard controller couples described hot key identification controller, in order to transmit described input information to described computer installation.
11. keyboard and mouse switcher as claimed in claim 1 is characterized in that, described hot key look-up table is a storer.
12. a keyboard and mouse changing method, one of them transmits input information to a computer installation at least in order to switch one keyboard and a mouse, it is characterized in that described method comprises:
Receive described keyboard and the described mouse described input information that one of them produced at least, and monitor whether described input information is a hot key information;
Read one and start hot key information; And
Described hot key information of foundation and described startup hot key information are to judge whether the described input information that described keyboard or described mouse produced is sent to described computer installation.
13. keyboard and mouse changing method as claimed in claim 12 is characterized in that, described startup hot key information storage is in a storer.
14. keyboard and mouse changing method as claimed in claim 13 is characterized in that, described storer more comprises a kind of information of depositing described mouse and described keyboard.
15. keyboard and mouse changing method as claimed in claim 14 is characterized in that, described method more comprises:
Provide virtual key data to the described controller that enables according to starting flag.
16. keyboard and mouse changing method as claimed in claim 15 is characterized in that, described virtual key data comprise described kind of information.
17. keyboard and mouse changing method as claimed in claim 12, it is characterized in that the step of described " described hot key information of foundation and described startup hot key information are to judge whether described keyboard and the described mouse described input information that one of them was produced at least are sent to described computer installation " comprising:
When described hot key information and described startup hot key information equate, enable one and start flag; And
When described hot key information and described startup hot key information are unequal, the described startup flag of forbidden energy.
18. keyboard and mouse changing method as claimed in claim 17, it is characterized in that the step of described " described hot key information of foundation and described startup hot key information are to judge whether described keyboard and the described mouse described input information that one of them was produced at least are sent to described computer installation " more comprises:
When described startup flag enables, transmit described input information that one of described keyboard and described mouse produced to described computer installation.
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| CN2009100043171A CN101799719B (en) | 2009-02-06 | 2009-02-06 | Keyboard and mouse switcher and switching method thereof |
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| CN2009100043171A CN101799719B (en) | 2009-02-06 | 2009-02-06 | Keyboard and mouse switcher and switching method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107145338A (en) * | 2017-03-16 | 2017-09-08 | 江苏航天龙梦信息技术有限公司 | A kind of control system that switching on and shutting down and the switching of interior external equipment are realized by keyboard hot key |
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| CN102693021B (en) * | 2011-03-21 | 2016-01-27 | 联想(北京)有限公司 | Radio input device and changing method, computing equipment |
| CN103218212B (en) * | 2012-01-19 | 2016-03-02 | 腾讯科技（深圳）有限公司 | The method and system of hot key is shared between a kind of many application examples |
| CN103309461B (en) * | 2013-05-14 | 2017-02-08 | 泰凌微电子（上海）有限公司 | Wireless one-to-many controlling method and device |
| CN104076943A (en) * | 2013-09-25 | 2014-10-01 | 苏州天趣信息科技有限公司 | Switching type keyboard combination |
| CN104793755B (en) * | 2014-01-22 | 2019-01-25 | 国基电子（上海）有限公司 | The method of equipment ConvertBox and shared peripheral device |
| TWI500001B (en) * | 2014-06-06 | 2015-09-11 | Nuvoton Technology Corp | Control device, control method, and chip |
| TWI514150B (en) * | 2014-11-26 | 2015-12-21 | Aten Int Co Ltd | Keyboard-video-mouse switch and operating method thereof |
| CN115344129B (en) * | 2022-10-20 | 2023-03-24 | 中孚信息股份有限公司 | One-way KVM keyboard state indication synchronization method, system and equipment |
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| CN1873631A (en) * | 2005-05-31 | 2006-12-06 | 陈坤助 | Integration accessor for signals of peripheries, and method for integrated outputting signals of peripheries |
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| CN1873631A (en) * | 2005-05-31 | 2006-12-06 | 陈坤助 | Integration accessor for signals of peripheries, and method for integrated outputting signals of peripheries |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107145338A (en) * | 2017-03-16 | 2017-09-08 | 江苏航天龙梦信息技术有限公司 | A kind of control system that switching on and shutting down and the switching of interior external equipment are realized by keyboard hot key |
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| CN101799719A (en) | 2010-08-11 |
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