CN203102166U - Photoelectric sensing type keyboard - Google Patents
Photoelectric sensing type keyboard Download PDFInfo
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- CN203102166U CN203102166U CN 201320110645 CN201320110645U CN203102166U CN 203102166 U CN203102166 U CN 203102166U CN 201320110645 CN201320110645 CN 201320110645 CN 201320110645 U CN201320110645 U CN 201320110645U CN 203102166 U CN203102166 U CN 203102166U
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- type keyboard
- intensity signal
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Abstract
The utility model provides a photoelectric sensing type keyboard. The photoelectric sensing type keyboard comprises a keyboard body and a keyboard face. The portion, corresponding to each key position, of the keyboard face is provided with a light-transmitting key, and a light-transmitting hole is formed in each light-transmitting key. The keyboard body internally comprises a controller, a connector, a photosensitive element, an ambient light detecting module, a light-emitting element and a light-insulating piece. One end of the connector is connected with the controller, and the other end of the connector is used for being connected with an external device. The photosensitive element is used for receiving light, and converting the received light into a light intensity signal so that the controller can judge whether the keys are effective according to the light intensity signal. The ambient light detecting module is used for detecting ambient light, converting the detected ambient light into a light intensity signal and transmitting the light intensity signal into the controller. The light-emitting is used for providing auxiliary lighting when the ambient light detecting module detects that the light intensity signal is smaller than a preset value. The light-insulating piece is arranged between the photosensitive element and the light-emitting. The photoelectric sensing type keyboard can be switched into an energy-saving mode according to conditions of the ambient light so as to improve capacity usage ratios.
Description
Technical field
The utility model relates to technical field of electronic equipment, particularly relates to art of keypads, is specially a kind of photoelectric induction type keyboard.
Background technology
Keyboard is a requisite input equipment in the computing machine, has the function of input.The input equipment of making a general survey of present appearance can roughly be divided into four kinds of numeric keyboard of mobile telephone, hand-written touch screen, collapsible mechanical keyboard, dummy keyboard, and their characteristics are as follows.
Numeric keypad and hand-written touch screen: be widely used, but that their common fault is an input speed is slow excessively, and must possesses the certain physical space, can only reach the input rate of about 20 words per minute clocks.Collapsible mechanical keyboard: can be launched into keyboard of notebook computer, obtain the more satisfactory input speed of about 40 words per minute clocks, but,, be inconvenient to carry so volume can not be done very for a short time because principle is based on the compression to existing keyboard.Dummy keyboard: this is a kind of wireless senser trigger-type input equipment, judges hammer action by the action of surveying staff.Volume is little, and input mode has the advantage of input speed height and portable two aspects near keyboard.But it is too high that the shortcoming of this product is exactly a production cost, and power consumption is very big, and common battery can only be kept 2 hours service time; Expensive and shortcoming high energy consumption causes this product slowly can't open up markets, and fails to obtain to popularize widely.In addition, there is the gap between the button of traditional mechanical formula keyboard, causes easily accumulating dust with card in the dish and being not easy to cleaning.
The photo-electric keyboard provides a kind of break-make with light beam to come the new equipment of the output of supervisory keyboard signal, and it can be used as computer keyboard and electronic organ keyboard.But existing photo-electric keyboard has used the light-emitting component that works long hours in a large number, and this light-emitting component promptly is in full load condition after the keyboard energising, and capacity usage ratio is low.
The utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of photoelectric induction type keyboard, is used for solving prior art and promptly is in full load condition and the low problem of capacity usage ratio brought after energising in PKB photoelectric keyboard.
Reach other relevant purposes for achieving the above object, the utility model provides a kind of photoelectric induction type keyboard, comprising: disk body and card, and described card is the printing opacity key at corresponding each place, key position, described printing opacity key is provided with a light hole; Comprise in the described disk body: controller; One end and described controller link to each other, an end is used for the connector that is connected with external unit; Link to each other, be used to receive light with described controller and the light that receives is converted to light intensity signal and judge whether effectively light activated element of button according to this light intensity signal, link to each other, be used for ambient light with described controller and detected surround lighting is converted to light intensity signal and is transferred to the surround lighting detection module of described controller for described controller; Link to each other with described controller and be oppositely arranged with described light activated element, be used for and provide the light-emitting component of floor light when detecting light intensity signal in that described surround lighting detection module is defeated less than preset value; Be arranged between described light activated element and the described light-emitting component every mating plate.
Preferably, described card is an overshooting shape at the printing opacity key at corresponding each place, key position.
Preferably, described light hole be positioned at described printing opacity key finger by on the downward pairing position of bending of back finger tip.
Preferably, described light activated element, described light-emitting component are all relative with described light hole.
Preferably, the standby in described controller and computing machine, panel computer, the mobile phone/wake up button links to each other and stops luminous to control described light-emitting component when the said equipment standby.
Preferably, comprise that also the audio output module that links to each other with described controller is pointed out when importing successfully at button.
As mentioned above, a kind of photoelectric induction type keyboard of the present utility model has following beneficial effect:
The keyboard face of the photoelectric induction type keyboard in the utility model is the button of dummy keyboard, does not have interstitial structure between button, and the keyboard face is simple, opposed flattened, be convenient to cleaning; And the utility model disposed the surround lighting detection module, and signal optical source can be that visible light also can be an invisible light, and can switch to energy saver mode according to the situation of surround lighting, improves capacity usage ratio; In addition, the utlity model has keyboard standby/arousal function, can for a long time without keyboard the time, realize energy-conservation.
Description of drawings
Fig. 1 is shown as the schematic appearance of a kind of photoelectric induction type keyboard of the present utility model.
Fig. 2 is shown as the sectional view of a kind of photoelectric induction type keyboard of the present utility model.
Fig. 3 is shown as the structured flowchart of a kind of photoelectric induction type keyboard of the present utility model.
Fig. 4 is shown as the synoptic diagram of printing opacity key, light-emitting component and the light activated element of a kind of photoelectric induction type keyboard of the present utility model.
The element numbers explanation
1 photoelectric induction type keyboard
11 controllers
12 connectors
13 surround lighting detection modules
14 light-emitting components
15 light activated elements
16 audio output modules
17 disk bodies
18 cards
181 key positions
19 light holes
110 every mating plate
111 printing opacity keys
2 main frames
3 standbies/wake up button
Embodiment
Below by specific instantiation embodiment of the present utility model is described, those skilled in the art can understand other advantages of the present utility model and effect easily by the disclosed content of this instructions.The utility model can also be implemented or be used by other different embodiment, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications or change under the spirit of the present utility model not deviating from.
Need to prove, the diagram that is provided in the present embodiment only illustrates basic conception of the present utility model in a schematic way, satisfy only show in graphic with the utility model in relevant assembly but not component count, shape and size drafting when implementing according to reality, kenel, quantity and the ratio of each assembly can be a kind of random change during its actual enforcement, and its assembly layout kenel also may be more complicated.
As shown in Figures 1 to 4, the purpose of this utility model is to provide a kind of photoelectric induction type keyboard, is used for solving prior art and promptly is in full load condition and the low problem of capacity usage ratio brought after energising in PKB photoelectric keyboard.Below will elaborate the principle and the embodiment of a kind of photoelectric induction type keyboard of the present utility model, and make those skilled in the art not need creative work can understand a kind of photoelectric induction type keyboard of the present utility model.
See also Fig. 1, be shown as the structural representation of a kind of photoelectric induction type keyboard of the present utility model.As shown in Figure 1, photoelectric induction type keyboard 1 comprises: disk body 17 and card 18.
Described card 18 is a printing opacity key 111 at corresponding each 181 place, key position, rather than the mechanical entities key.As seen, the card 18 of keyboard is the button of dummy keyboard, does not have interstitial structure between button, is convenient to cleaning, also is not easy dust stratification.Particularly, in the present embodiment, as shown in Figure 2, described card 18 is an overshooting shape at the printing opacity key 111 at corresponding each 181 place, key position.
Described printing opacity key 111 is provided with a light hole 19; Described light hole 19 be positioned at described printing opacity key 111 finger by on the downward pairing position of bending of back finger tip.Like this, after finger was placed on the keyboard, the finger tip bending just can shelter from described light hole 19.
Particularly,, comprise in the described disk body 17 to shown in Figure 4 as Fig. 3: controller 11, connector 12, light activated element 15, surround lighting detection module 13, light-emitting component 14 and every mating plate 110.
Described connector 12 1 ends link to each other with described controller 11, an end is used for being connected with external unit.Described connector 12 is to need the main frame 2 of the electronic equipment of button input to link to each other in described keyboard and the main frame 2 of computer, the main frame 2 of controller 11, panel computer in the mobile phone or other.
Described light activated element 15 links to each other, is used to receive light with described controller 11.Particularly, described light activated element 15 is relative with described light hole 19, to receive light by described light hole 19.Simultaneously, described light activated element 15 is converted to light intensity signal with the light that receives and judges according to this light intensity signal whether button is effective for described controller 11.How to judge that specifically this light intensity signal will describe in detail below in conjunction with surround lighting detection module 13 and light-emitting component 14.
Described surround lighting detection module 13 links to each other, is used for ambient light with described controller 11 and detected surround lighting is converted to light intensity signal and is transferred to described controller 11.Under the brighter situation of daytime or room lighting, the keyboard in the utility model can not need extra light-emitting component 14 when work.
Particularly, minimum numerical value to the ambient light intensity requirement is set in the described controller 11, judge according to this value whether the surround lighting that described surround lighting detection module 13 detects meets the demands, the minimum of the required light intensity of keyboard work also is set in the described controller 11 simultaneously.
The signal optical source that described surround lighting detection module 13 can detect can be that visible light also can be an invisible light.By day or under the brighter situation of room lighting, described surround lighting detection module 13 detected light intensities are bigger usually, when detected ambient light intensity meets the demands, the described light-emitting component 14 of described controller 11 controls is not luminous, simultaneously this moment is when button not, each light activated element 15 also can the bigger light of detected light intensity by light hole 19, if finger is pinned certain key position 181, the value of the light intensity that receives of the light activated element 15 at these 181 places, key position surround lighting that just can continue to receive less than described light activated element 15 then, this moment, the input of controller 11 these buttons of judgement was effective, and button is imported successfully.
Under the darker situation of night, cloudy day or room lighting, the keyboard in the utility model can need light-emitting component 14 when work.
Described light-emitting component 14 links to each other with described controller 11 and is oppositely arranged with described light activated element 15, is used for provides floor light when detecting light intensity signal less than preset value in that described surround lighting detection module 13 is defeated.Just described light activated element 15, described light-emitting component 14 are all relative with described light hole 19.Be provided with every mating plate 110 between described light activated element 15 and described light-emitting component 14 simultaneously, to avoid described light-emitting component 14 when luminous, described light activated element 15 can directly receive the light of described light-emitting component 14.
Particularly, under the darker situation of night, cloudy day or room lighting, described surround lighting detection module 13 detected light intensities are less usually, and when detected ambient light intensity did not meet the demands, the described light-emitting component of described controller 11 controls 14 was luminous.Simultaneously this moment is when button not, each light activated element 15 also can the less ambient light of detected light intensity by light hole 19, if finger is pinned certain key position 181, then the diffuse reflection that the light that sends of light-emitting component 14 just can be by finger is to the light activated element 15 at this place.The value of the surround lighting that the light intensity that the light activated element 15 at these 181 places, key position receives just can continue to receive greater than described light activated element 15, this moment, controller 11 judged that the input of these buttons is effective.Button is imported successfully.
Can know by foregoing description, when ambient light satisfies the demands, controller 11 control light-emitting components 14 are not luminous, when ambient light does not satisfy the demands, the described light-emitting component of controller 11 control 14 is luminous, that is to say that described photoelectric induction type keyboard can switch to energy saver mode according to the situation of surround lighting, improve capacity usage ratio.
Especially, in the present embodiment, the standby in described controller 11 and computing machine, panel computer, the mobile phone/wake up button 3 links to each other and stops luminous to control described light-emitting component 14 when the said equipment standby.Like this, the keyboard in the utility model can be realized energy-conservation for a long time without keyboard the time.
This shows that in the utility model, described photoelectric induction type keyboard can be set to three kinds of mode of operations: whether to start the pattern of light-emitting component 14 be fully automatic mode in automatic selection according to detected ambient light conditions; No matter surround lighting how, all start light-emitting component 14 when reading button and be semi-automatic pattern; Light-emitting component 14, when light activated element 15 all quits work standby mode.
In addition, in the utility model, comprise that also the audio output module 16 that links to each other with described controller 11 is pointed out when importing successfully at button.
In sum, a kind of photoelectric induction type keyboard of the present utility model has following beneficial effect:
The keyboard face of the photoelectric induction type keyboard in the utility model is the button of dummy keyboard, does not have interstitial structure between button, and the keyboard face is simple, opposed flattened, be convenient to cleaning; And the utility model disposed the surround lighting detection module, and signal optical source can be that visible light also can be an invisible light, and can switch to energy saver mode according to the situation of surround lighting, improves capacity usage ratio; In addition, the utlity model has keyboard standby/arousal function, can for a long time without keyboard the time, realize energy-conservation.
So the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
The foregoing description is illustrative principle of the present utility model and effect thereof only, but not is used to limit the utility model.Any person skilled in the art scholar all can be under spirit of the present utility model and category, and the foregoing description is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of being finished under spirit that the utility model discloses and the technological thought, must be contained by claim of the present utility model.
Claims (6)
1. photoelectric induction type keyboard, comprising: disk body and card is characterized in that:
Described card is the printing opacity key at corresponding each place, key position, and described printing opacity key is provided with a light hole;
Comprise in the described disk body:
Controller;
One end and described controller link to each other, an end is used for the connector that is connected with external unit;
Link to each other, be used to receive light with described controller and the light that receives is converted to light intensity signal and judge whether effectively light activated element of button according to this light intensity signal for described controller;
Link to each other, be used for ambient light with described controller and detected surround lighting is converted to light intensity signal and is transferred to the surround lighting detection module of described controller;
Link to each other with described controller and be oppositely arranged with described light activated element, be used for and provide the light-emitting component of floor light when detecting light intensity signal in that described surround lighting detection module is defeated less than preset value;
Be arranged between described light activated element and the described light-emitting component every mating plate.
2. photoelectric induction type keyboard according to claim 1 is characterized in that: described card is an overshooting shape at the printing opacity key at corresponding each place, key position.
3. photoelectric induction type keyboard according to claim 2 is characterized in that: described light hole be positioned at described printing opacity key finger by on the downward pairing position of bending of back finger tip.
4. photoelectric induction type keyboard according to claim 3 is characterized in that: described light activated element, described light-emitting component are all relative with described light hole.
5. photoelectric induction type keyboard according to claim 1 is characterized in that: the standby in described controller and computing machine, panel computer, the mobile phone/wake up button links to each other and stops luminous to control described light-emitting component when the said equipment standby.
6. photoelectric induction type keyboard according to claim 1 is characterized in that: comprise that also the audio output module that links to each other with described controller is pointed out when importing successfully at button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320110645 CN203102166U (en) | 2013-03-11 | 2013-03-11 | Photoelectric sensing type keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320110645 CN203102166U (en) | 2013-03-11 | 2013-03-11 | Photoelectric sensing type keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203102166U true CN203102166U (en) | 2013-07-31 |
Family
ID=48853550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320110645 Expired - Fee Related CN203102166U (en) | 2013-03-11 | 2013-03-11 | Photoelectric sensing type keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203102166U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017084039A1 (en) * | 2015-11-18 | 2017-05-26 | 博立多媒体控股有限公司 | Input device |
| CN106980389A (en) * | 2017-04-27 | 2017-07-25 | 华侨大学 | A kind of remote keyboard control instruction system based on optical fiber sensing technology |
| CN109672437A (en) * | 2018-12-25 | 2019-04-23 | 苏州达方电子有限公司 | A kind of optical axis keyboard |
| TWI678716B (en) * | 2018-11-28 | 2019-12-01 | 達方電子股份有限公司 | Optical axis keyboard |
| CN111986466A (en) * | 2020-09-03 | 2020-11-24 | 深圳市方腾网络技术有限公司 | Outdoor wireless sensor |
| US12020873B2 (en) | 2021-10-27 | 2024-06-25 | Darfon Electronics Corp. | Sensing keyboard and sensing keyswitches thereof |
-
2013
- 2013-03-11 CN CN 201320110645 patent/CN203102166U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017084039A1 (en) * | 2015-11-18 | 2017-05-26 | 博立多媒体控股有限公司 | Input device |
| US10379656B2 (en) | 2015-11-18 | 2019-08-13 | Bolymedia Holdings Co. Ltd. | Input device |
| CN106980389A (en) * | 2017-04-27 | 2017-07-25 | 华侨大学 | A kind of remote keyboard control instruction system based on optical fiber sensing technology |
| CN106980389B (en) * | 2017-04-27 | 2023-05-05 | 华侨大学 | Remote keyboard control instruction system based on optical fiber sensing technology |
| TWI678716B (en) * | 2018-11-28 | 2019-12-01 | 達方電子股份有限公司 | Optical axis keyboard |
| CN109672437A (en) * | 2018-12-25 | 2019-04-23 | 苏州达方电子有限公司 | A kind of optical axis keyboard |
| CN109672437B (en) * | 2018-12-25 | 2023-07-18 | 苏州达方电子有限公司 | Optical axis keyboard |
| CN111986466A (en) * | 2020-09-03 | 2020-11-24 | 深圳市方腾网络技术有限公司 | Outdoor wireless sensor |
| US12020873B2 (en) | 2021-10-27 | 2024-06-25 | Darfon Electronics Corp. | Sensing keyboard and sensing keyswitches thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20160311 |
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| CF01 | Termination of patent right due to non-payment of annual fee |