CN104793754A - Wireless input device - Google Patents
Wireless input device Download PDFInfo
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- CN104793754A CN104793754A CN201410021939.6A CN201410021939A CN104793754A CN 104793754 A CN104793754 A CN 104793754A CN 201410021939 A CN201410021939 A CN 201410021939A CN 104793754 A CN104793754 A CN 104793754A
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- sheet metal
- conductive magnet
- button
- input device
- module
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- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The invention relates to a wireless input device. The wireless input device comprises an input module and an induction module. The input module comprises an induction area and a button area. The induction module is connected with a power supply. One or more conductive magnets are arranged inside the induction module, and the conductive magnets are electrified with high-frequency current. Metal plates are arranged inside the induction area, the number of the metal plates is same to that of the conductive magnets, and the positions of the metal plates and the positions of the conductive magnets are in a one-to-one correspondence mode. Buttons are arranged on the button area, and the buttons are electrically connected with the metal plates. The high-frequency current in the conductive magnets can change when the input module approaches the induction module and the buttons are triggered, so that the wireless input is achieved. According to the wireless input device, contacting points do not exist, and the power consumption is lower.
Description
Technical field
The present invention relates to a kind of radio input device, particularly a kind of non-contact type radio input device.
Background technology
At present, traditional wired external keyboard is generally provided with the contact of exposing, and is not easy to accomplish water proof and dust proof.Further, contact is exposed in air, be easy to oxidized, and contact is once oxidized, and wiring circuit contact will be caused bad, and impact uses.And traditional wireless type external keyboard, when realizing input, be generally utilize short range transmission agreement (as bluetooth), now keyboard end needs extra power supply, and power consumption is large.
Summary of the invention
For this reason, the invention provides a kind of contactless and radio input device of low-power consumption.
A kind of radio input device, comprises input module and inductive module, and input module comprises induction region and key area.Inductive module is connected with a power supply, and inductive module inside is provided with at least one conductive magnet, is connected with high-frequency current in this conductive magnet.Induction region inside is provided with and position one to one sheet metal identical with conductive magnet quantity, and key area is provided with button, and button is electrically connected with sheet metal.When input module near inductive module and button is triggered time, the high-frequency electrical in conductive magnet fails to be convened for lack of a quorum and changes, to realize wireless input.
Radio input device of the present invention, comprises input module and inductive module, and input module comprises induction region and key area.Inductive module inside is provided with at least one conductive magnet, induction region inside and conductive magnet one_to_one corresponding, be provided with the sheet metal of equal number, because conductive magnet and sheet metal are arranged at inductive module and input module internal respectively, directly do not contact with external environment condition, therefore inductive module and the input contactless contact of module, can play good protective action in some comparatively rugged environment.In addition, in this radio input device, only inductive module is connected with power supply, and input module, without the need to being connected with power supply, effectively can reduce electric energy loss, realize the characteristic of the low-power consumption of radio input device with this, the ultimate attainment lightening design inputting module can also be realized simultaneously.
Accompanying drawing explanation
Fig. 1 is the cut-open view of radio input device of the present invention.
Fig. 2 is the cut-open view of the inductive module of the radio input device shown in Fig. 1.
Fig. 3 is the cut-open view of the input module of the radio input device shown in Fig. 1.
Fig. 4 is the schematic diagram of the input module internal refined structure shown in the inductive module shown in Fig. 2 and Fig. 3.
Fig. 5 is the circuit connection diagram of the input module shown in the inductive module shown in Fig. 2 and Fig. 3.
Main element symbol description
| Radio input device | 100 |
| Inductive module | 10 |
| Input module | 20 |
| Conductive magnet | 11 |
| Conduction magnetic sheet | 111、112 |
| Induction region | 21 |
| Sheet metal | 211 |
| Input area | 22 |
| Button | 221 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
State with reference to the accompanying drawings according to embodiments of the invention.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Please refer to Fig. 1, radio input device 100 of the present invention, comprise inductive module 10 and input module 20.Input module 20, the key area 22 comprising induction region 21 and be connected by wire (not shown) with induction region 21.When inductive module 10 and induction region 21 are close to each other or when fitting together, input operation can be carried out to system in key area 22.
Please refer to Fig. 2, be provided with at least one conductive magnet 11 in inductive module 10, it has magnetic, can adsorbing metal object.It is inner that conductive magnet 11 is arranged at inductive module 10 by embedding manner or sealing means, and it does not contact with extraneous air, in case conductive magnet 11 is oxidized.In addition, in some comparatively rugged environment, because conductive magnet 11 does not directly contact with external environment condition, good protective action can be played, as waterproof and dustproof etc.Conductive magnet 11 is connected with power supply, and inside is connected with high-frequency current signal.When being provided with two or more conductive magnet 11 in inductive module 10, the plurality of conductive magnet 11, according to the arrangement of certain position relationship, when its position relationship ensures each conductive magnet 11 is connected with high-frequency signal, can not produce interference each other.
Please refer to Fig. 3, be provided with in induction region 21 with shown in conductive magnet 11(Fig. 2) the identical sheet metal 211 of quantity, and the position one_to_one corresponding of the position of sheet metal 211 and conducting magnetic iron 11.It is inner that sheet metal 211 is arranged at input module 20 by embedding manner or sealing means, and it does not contact with extraneous air, in case sheet metal 211 is oxidized.In addition, in some comparatively rugged environment, because sheet metal 211 does not directly contact with external environment condition, good protective action can be played, greatly improve the stability that keyboard system uses under various circumstances.When inductive module 10 accordingly near or when fitting on induction region 21, conductive magnet 11 can adsorb the sheet metal 211 on relevant position, thus make inductive module 10 accurately correspond to induction region 21 to arrange.Key area 22 is provided with at least one button 221, button 221 is electrically connected with sheet metal 211 by wire (not shown), and when button 221 is triggered, sheet metal 211 is connected to ground or is connected with zero potential point.Input module 20, without the need to being connected with power supply, can reduce the power consumption of radio input device on the one hand, can realize the ultimate attainment thin design inputting module 20 on the other hand.
The principle during interphase interaction of the sheet metal 211 of conductive magnet 11 and corresponding setting is with it described below in conjunction with Fig. 4: conductive magnet 11 comprises conduction magnetic sheet 111 and conduction magnetic sheet 112, conduction magnetic sheet 111 and conduction magnetic sheet 112 are oppositely arranged in predetermined angular, and it is inner to be connected to high-frequency circuit (not shown).These two conduction magnetic sheets 111 and conduction magnetic sheet 112 form Non-parallel Plate electric capacity, and led to the characteristic of high frequency, resistance low frequency from electric capacity, conductive magnet 11 inside can produce high-frequency current, and high-frequency current flows to conduction magnetic sheet 112 by conducting electricity magnetic sheet 111.
When conductive magnet 11 is placed near sheet metal 211, sheet metal 211 is positioned at extending out on direction of conduction magnetic sheet 111 and conduction magnetic sheet 112 angulation, and sheet metal 211 is arranged relative to conduction magnetic sheet 111 and conduction magnetic sheet 112 respectively.Shown in button 221(Fig. 3 of connecting corresponding to sheet metal 211) when not being triggered, sheet metal 211 is in off state, and the electric current now flowing into conduction magnetic sheet 111 equals the electric current flowed out from conduction magnetic sheet 112.When the button 221 that connect corresponding to sheet metal 211 is triggered, sheet metal 211 ground connection or be connected with other zero potential points, now sheet metal 211 forms path with conduction magnetic sheet 111, and sheet metal 211 is oppositely arranged with conduction magnetic sheet 111 and forms Non-parallel Plate electric capacity, the characteristic of high frequency, resistance low frequency is led to from electric capacity, high-frequency current can be produced in the circuit be connected with sheet metal 211, and this high-frequency current flows to sheet metal 211 by conducting electricity magnetic sheet 111.Now, the electric current of magnetic sheet 111 is conducted electricity because the circuit that is connected with sheet metal 211 separates a part of inflow, so no longer equal from the electric current of conduction magnetic sheet 112 outflow the electric current flowing into conduction magnetic sheet 111, the electric current flowed out by conduction magnetic sheet 112 can produce corresponding change, thus can obtain a trigger pip.The change of the electric current flowed out by conduction magnetic sheet 112 can judge whether the button 221 be connected with sheet metal 211 is triggered.
In present embodiment, inductive module 10 comprises four conductive magnet 11, and in the induction region 21 of input module 20, corresponding four conductive magnet 11 are provided with four sheet metals 211, are provided with 15 buttons 221 in key area 22.Below with regard to this embodiment and composition graphs 5 illustrates circuit theory of the present invention: first, in order to show difference, respectively four conductive magnet 11 are labeled as M1, M2, M3, M4, respectively four sheet metals 211 are labeled as P1, P2, P3, P4, respectively 15 buttons 221 are labeled as C1 to C15.Four conductive magnet M1, M2, M3, M4 correspond respectively to sheet metal P1, P2, P3, P4 and arrange, and four conductive magnet M1, M2, M3, M4 are connected with high-frequency current respectively.One is optionally gone out from four conductive magnet, one sheet metal corresponds, when the button be electrically connected with this sheet metal is not triggered, this sheet metal is in off state, the electric current that now corresponding with this sheet metal conductive magnet flows into is equal with the electric current flowed out from this conductive magnet, the state of now conductive magnet is designated as " 0 "; When the button be electrically connected with this sheet metal is triggered, this sheet metal is in channel status, high-frequency current can be produced in the circuit be connected with sheet metal, and this high-frequency current flows to sheet metal by conductive magnet, now, because the circuit be connected with sheet metal has separated the electric current of a part of inflow conductive magnet, so no longer equal from the electric current of conductive magnet outflow the electric current flowing into conductive magnet, the electric current flowed out by conductive magnet can produce corresponding change, thus a trigger pip can be obtained, the state of now conductive magnet is designated as " 1 ".
Formation one group of tetrad of the combinations of states of four conductive magnet M4/M3/M2/M1 being got up coding, when not having button to be triggered, the tetrad coding that four conductive magnet M4/M3/M2/M1 are combined to form is designated as " 0000 ".Button C1 is electrically connected with sheet metal P1, when button C1 is triggered, sheet metal P1 ground connection or be connected with other zero potential points, now sheet metal P1 and conductive magnet M1 forms path, high-frequency current can be produced in the circuit be connected with sheet metal P1, and this high-frequency current flows to sheet metal P1 by conductive magnet M1.Now, because the circuit be connected with sheet metal P1 has separated the electric current of a part of inflow conductive magnet M1, so no longer equal from the electric current of conductive magnet M1 outflow the electric current flowing into conductive magnet M1, the electric current flowed out by conductive magnet M1 can produce corresponding change, thus the circuit be connected with conductive magnet M1 can obtain a trigger pip, the state of conductive magnet M1 is " 1 ", and now the state of conductive magnet M2, M3 and M4 is " 0 ", the tetrad coding that now four conductive magnet M4/M3/M2/M1 are combined to form is designated as " 0001 "; Button C2 is electrically connected with sheet metal P2, when button C2 is triggered, corresponding change can be produced to the electric current flowed out in the corresponding conductive magnet M2 arranged of sheet metal P2, thus the circuit be connected with conductive magnet M2 can obtain a trigger pip, the state of conductive magnet M2 is " 1 ", and now the state of conductive magnet M1, M3 and M4 is " 0 ", the tetrad coding that now four conductive magnet M4/M3/M2/M1 are combined to form is designated as " 0010 ".By that analogy, with sheet metal P2 while of button C14, P3, P4 is electrically connected, when button C14 is triggered, sheet metal P2, P3, the equal ground connection of P4 or be connected with other zero potential points, with sheet metal P2, P3, the conductive magnet M2 that P4 correspondence is arranged, M3, the electric current flowed out in M4 all can produce corresponding change, thus with conductive magnet M2, M3, all a trigger pip can be obtained separately in the circuit that M4 connects, conductive magnet M2, M3, the state of M4 is " 1 ", and now the state of conductive magnet M1 is " 0 ", the tetrad coding that now four conductive magnet M4/M3/M2/M1 are combined to form is designated as " 1110 ", with sheet metal P1 while of button C15, P2, P3, P4 is electrically connected, when button C15 is triggered, sheet metal P1, P2, P3, the equal ground connection of P4 or be connected with other zero potential points, with sheet metal P1, P2, P3, the conductive magnet M1 that P4 correspondence is arranged, M2, M3, the electric current flowed out in M4 all can produce corresponding change, thus with conductive magnet M1, M2, M3, all a trigger pip can be obtained separately in the circuit that M4 connects, conductive magnet M1, M2, M3, the state of M4 is " 1 ", the tetrad coding that now four conductive magnet M4/M3/M2/M1 are combined to form is designated as " 1111 ".Thus, the signal produced when different buttons can be triggered changes the binary coding that radio input device 100 can identify into.
Be understandable that, also when button is not triggered, the state of the conductive magnet of corresponding setting with it can be designated as " 1 "; When button is triggered, the state of the conductive magnet of corresponding setting is with it designated as " 0 ".
Be understandable that, the plurality of button also can connect the plurality of conductive magnet according to other modes, such as button C1 is electrically connected with sheet metal P1, P2, P3, P4 simultaneously, and button C2 is electrically connected with sheet metal P2, P3, P4 simultaneously, and meeting the plurality of button can distinguish.
Be understandable that, the number of this button is arbitrary, adjusts the number of sheet metal and conductive magnet according to design number of keys, thus meets each button corresponding differentiable binary coding respectively.
The circuit that the radio input device 100 of present embodiment provides connects, and can only detect the operation that the same time only has a button to be triggered.In other embodiments, can at sheet metal and the electric capacity or other electronic devices and components allowing high-frequency signal to pass through that add different capacitance in the circuit that button connects, such as resistance, while monitoring changes from the high-frequency current that conductive magnet flows out, monitor the size of this high-frequency current changing value, stored away in advance by the changing value selecting the high-frequency current that arbitrary number button is triggered simultaneously from the plurality of button, the pre-stored values of the plurality of high-frequency current change is different.When there being arbitrary number button to be triggered simultaneously, the changing value of the high-frequency current from conductive magnet outflow monitored being compared with pre-stored values, judges have several button to be triggered with this, and judge it is which button is concurrently triggered.
Radio input device 100 of the present invention, comprise inductive module 10 and input module 20, inductive module 10 inside is provided with at least one conductive magnet 11 by embedding manner or sealing means, input module 20 inside is provided with the sheet metal 211 corresponding with conductive magnet 11 position by embedding manner or sealing means, conductive magnet 11 does not directly contact with external environment condition with sheet metal 211, therefore inductive module 10 and the input contactless contact of module 20, can play good protective action in some comparatively rugged environment.Input module 20 also comprises at least one button 221, button 221 is connected with sheet metal 211 by internal circuit, when button 221 is not triggered, the corresponding binary coding of conductive magnet 11, when button 221 is triggered, the sheet metal 211 be connected with button 221 and conductive magnet 11 form path, the electric current flowed out in this conductive magnet 11 arranged corresponding to this sheet metal 211 can change, thus a trigger pip can be obtained in the circuit be connected with conductive magnet 11, the now corresponding another one binary coding of conductive magnet 11.The signal produced during by being triggered by different buttons changes the binary coding that radio input device 100 can identify into, realizes the wireless input function of radio input device 100 thus.In addition, in radio input device 100, only inductive module 10 is connected with power supply, and inputs module 20 and do not need to be connected with power supply, effectively can reduce electric energy loss, realize the characteristic of the low-power consumption of radio input device 100 with this, the ultimate attainment lightening design inputting module 20 can also be realized simultaneously.
In addition, for the person of ordinary skill of the art, other various corresponding change and distortion can be made by technical conceive according to the present invention, and all these change the protection domain that all should belong to the claims in the present invention with distortion.
Claims (9)
1. a radio input device, comprise input module and inductive module, this input module comprises induction region and key area, it is characterized in that: this inductive module is connected with a power supply, this inductive module inside is provided with at least one conductive magnet, high-frequency current is connected with in this conductive magnet, this induction region inside is provided with and position one to one sheet metal identical with this conductive magnet quantity, this key area is provided with button, this button is electrically connected with this sheet metal, when input module near inductive module and button is triggered time, high-frequency electrical in this conductive magnet fails to be convened for lack of a quorum and changes, to realize wireless input.
2. radio input device as claimed in claim 1, is characterized in that: this conductive magnet comprises two conduction magnetic sheets, and these two conduction magnetic sheets are that predetermined angular is oppositely arranged.
3. radio input device as claimed in claim 2, is characterized in that: when this inductive module near or when fitting on this induction region, this sheet metal is positioned at extending out on direction of these two conduction magnetic sheet angulations and arranges relative to these two conduction magnetic sheets.
4. radio input device as claimed in claim 1, is characterized in that: when this button is triggered, the sheet metal ground connection be electrically connected with this button.
5. radio input device as claimed in claim 1, is characterized in that: the number of this sheet metal and this conductive magnet is corresponding with the number of this button.
6. radio input device as claimed in claim 1, it is characterized in that: the quantity of this button and this sheet metal is multiple, each sheet metal is electrically connected with at least one button respectively, the plurality of conductive magnet that arrange corresponding to the plurality of sheet metal is combined to form the binary coding of one group of multidigit, the electric signal produced when this each button is triggered is corresponding this radio input device this binary coding that can identify respectively, thus this radio input device realizes wireless input.
7. radio input device as claimed in claim 1, is characterized in that: this sheet metal and the electric capacity being connected to different capacitance in the circuit that this button is electrically connected.
8. radio input device as claimed in claim 1, is characterized in that: this conductive magnet has magnetic, and when this input module is near this inductive module, the sheet metal on this conductive magnet absorption relevant position, makes this input module accurately correspond to this inductive module.
9. radio input device as claimed in claim 1, is characterized in that: this conductive magnet and this sheet metal are arranged at this inductive module and this input module internal respectively by the mode buried underground or seal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021939.6A CN104793754A (en) | 2014-01-18 | 2014-01-18 | Wireless input device |
| TW103102463A TW201530354A (en) | 2014-01-18 | 2014-01-23 | Wireless input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021939.6A CN104793754A (en) | 2014-01-18 | 2014-01-18 | Wireless input device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104793754A true CN104793754A (en) | 2015-07-22 |
Family
ID=53558623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410021939.6A Pending CN104793754A (en) | 2014-01-18 | 2014-01-18 | Wireless input device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104793754A (en) |
| TW (1) | TW201530354A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577243A (en) * | 2015-12-16 | 2016-05-11 | 北京橙鑫数据科技有限公司 | User equipment and data transmission method |
-
2014
- 2014-01-18 CN CN201410021939.6A patent/CN104793754A/en active Pending
- 2014-01-23 TW TW103102463A patent/TW201530354A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577243A (en) * | 2015-12-16 | 2016-05-11 | 北京橙鑫数据科技有限公司 | User equipment and data transmission method |
| CN105577243B (en) * | 2015-12-16 | 2018-05-01 | 北京橙鑫数据科技有限公司 | User equipment and data transmission method |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201530354A (en) | 2015-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150722 |
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| WD01 | Invention patent application deemed withdrawn after publication |