CN201707645U - Keyboard structure and terminal device provided with keyboard structure - Google Patents
Keyboard structure and terminal device provided with keyboard structure Download PDFInfo
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- CN201707645U CN201707645U CN2010202364673U CN201020236467U CN201707645U CN 201707645 U CN201707645 U CN 201707645U CN 2010202364673 U CN2010202364673 U CN 2010202364673U CN 201020236467 U CN201020236467 U CN 201020236467U CN 201707645 U CN201707645 U CN 201707645U
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Abstract
The utility model discloses a keyboard structure, comprising a control unit, a light-sensitive sensor for sensing the light intensity change in the control unit and a controller for judging the button operation status in the control unit depend on the light intensity change sensed by the light-sensitive sensor, the control unit, the light-sensitive sensor and the controller are sequentially in an electrical connection, the control unit is a structure of a single layer light-passing board shape, the light-sensitive sensor is located at the other side opposed to one side of the key zone of the control unit, the light-sensitive sensor is corresponding to the position of the key in the key zone. The utility model also discloses a terminal device, The keyboard structure and the terminal device provided with the keyboard structure in the utility model can take extraneous light as sensing and reference light source, and is advantaged by simple structure, reducing unnecessary waste as well as reducing production cost.
Description
Technical field
The utility model relates to communication field, relates in particular to a kind of keyboard structure and has the terminal device of this keyboard structure.
Background technology
At present, the photoinduction keyboard is generally two-layer printing opacity thin-slab construction, comprise first thin plate, second thin plate and optical sensor, laser engraving has keypad character on the ground floor thin plate, scribbles electroluminescent material on the keypad character, the luminous demonstration of character on keyboard after the keyboard energising, second layer thin plate covers on the ground floor and folder is established optical sensor, optical sensor is used to detect the light power on the second layer thin plate, and the power according to light judges whether button.
The prior art scheme is reasonable inadequately because of structural design, there is certain defective: as, keyboard in this scheme is divided into double-layer structure, a part is a light emitting source, and another part is an optical sensor, only the luminous demonstration of the ability of the character on keyboard after the energising, like this, not only will keep the power supply of normal terminal, also need to the power supply of keyboard ground floor EL plate, electric weight is wasteful; Simultaneously, because this device can produce certain wearing and tearing in physical operations process repeatedly, the light intensity that also can cause light source to send reduces or loses lighting function.
The utility model content
The utility model embodiment technical matters to be solved is, a kind of keyboard structure is provided and has the terminal device of this keyboard structure, can be by ambient light as induction with reference to light source, simple in structure, reduced unnecessary waste, reduced production cost.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of keyboard structure, comprise the portion of controlling, be used to respond to described control the light sensation sensor that portion's light intensity changes and be used for light intensity according to described light sensation sensor sensing change and judge the described controller of controlling portion's button operation situation, the described portion that controls, described light sensation sensor and described controller are electrically connected successively, it is characterized in that, the described portion of controlling is an individual layer printing opacity platy structure, described light sensation sensor is positioned at the described portion of controlling and has the relative opposite side of key area one side, and described light sensation sensor is corresponding with the position of described key area button.
Described keyboard structure also comprise the light that is used to reduce described key area button change to the light barrier of the corresponding light sensation sensor influence of key position around it, described light barrier enclosing be arranged on described light sensation sensor around.
Described controller comprises:
The threshold value that is used to be provided with the light intensity change threshold of described key area button is provided with the unit;
Whether the light intensity changing value with the corresponding described key area of described light sensation sensor button that is used to detect described light sensation sensor sensing has reached the light intensity change threshold that described threshold value is provided with the described key area button that the unit is provided with, and the induction detecting unit of output testing result information;
Be used for responding the control response unit of the corresponding button in described key area according to the described testing result information Control of described induction detecting unit output;
Described threshold value is provided with unit, described induction detecting unit and described control response unit and is electrically connected successively.
Described controller also comprises:
Be used to be provided with initial setting up unit with reference to the light intensity threshold value;
Be used to judge the threshold decision the unit whether light intensity of the described key area button of described light sensation sensor sensing is provided with less than described initial setting up unit with reference to the light intensity threshold value;
Described initial setting up unit and described threshold decision unit are electrically connected.
The described portion of controlling also comprises secondary light source, the described threshold decision unit of described secondary light source and described controller is electrically connected, when the light intensity of the described key area button of the described light sensation sensor sensing of described threshold decision unit judges less than described initial setting up unit be provided with reference to the light intensity threshold value time, described threshold decision unit controls starts described secondary light source.
Preferably, described secondary light source is a led light source.
The utility model embodiment also provides a kind of terminal device, comprises above-mentioned keyboard structure, and described terminal device is any equipment in mobile phone, computing machine or the printer.
Implement the keyboard structure of the utility model embodiment and have the terminal device of this keyboard structure, because the portion of controlling is individual layer printing opacity platy structure, can be by ambient light as induction with reference to light source, simple in structure, reduce unnecessary waste, reduced production cost; Simultaneously, realize response owing to need only cover corresponding key area with finger or other objects in this keyboard structure use, and do not need to push, reduced the physics loss of keyboard, improved precision, prolonged the serviceable life of keyboard.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the local structure for amplifying synoptic diagram of the appearance of the utility model embodiment keyboard structure;
Fig. 2 is the structural representation of the utility model embodiment keyboard structure;
Fig. 3 is the schematic flow sheet that the control of the utility model embodiment keyboard structure starts secondary light source;
Fig. 4 is the schematic flow sheet of the utility model embodiment keyboard structure control response.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.
In conjunction with referring to Fig. 1, Fig. 2, the keyboard structure of the utility model embodiment comprises the portion of controlling 1, is used to respond to the described described controller 3 of controlling portion's 1 button operation situation of light intensity variation judgement of controlling the light sensation sensor 2 of portion's 1 light intensity variation and being used for responding to according to described light sensation sensor 2, and described portion 1, described light sensation sensor 2 and the described controller 3 controlled is electrically connected successively.
Control the key area that portion 1 is a keyboard structure, be individual layer printing opacity platy structure, its function is, the intensity of illumination of outside is passed through self good light transmittance energy penetrating arriving on the light sensation sensor 2 of one side (direction shown in Figure 1 right side) as much as possible, control portion's one side (left side of direction shown in Figure 1) and have key area 12, be carved with button 122 on the key area 12, button 122 is by the frame and the character combination of portrayal in frame that are engraved on the key area 12, be understandable that, the portrayal frame, the form and the color of character do not limit, as long as satisfy the light transmission that does not influence the portion of controlling 1.
Preferably, in the button 122 that is carved with on the key area 12 and the prior art on the keyboard ordering of button identical.
Preferably, the keyboard structure of the utility model embodiment also comprises light barrier 4, light barrier 4 enclosings be arranged on each light sensation sensor 2 around, its function is: the light that reduces key area 12 a certain buttons change to the influence of the corresponding light sensation sensor of key position around it.For example, when pushing button by key area 12 122 the time, respond to the corresponding light sensation sensor 2 that is positioned under it in its position, because enclosing is provided with light barrier 4 around the light sensation sensor 2, the light of this button changes can not influence this button light sensation sensor of other button correspondences on every side, has improved the accuracy of button.
Be used to be provided with initial setting up unit 31 with reference to the light intensity threshold value;
Be used to judge the threshold decision the unit 32 whether light intensity of the described key area button of described light sensation sensor 2 inductions is provided with less than described initial setting up unit 31 with reference to the light intensity threshold value;
Described initial setting up unit 31 is electrically connected with described threshold decision unit 32.
In concrete the enforcement, what initial setting up unit 31 was provided with can be keyboard unified setting when dispatching from the factory with reference to the light intensity threshold value, also can be that the user is according to setting up on their own that reality use scene is carried out, do not influence enforcement of the present utility model, for example, what initial setting up unit 31 was provided with is M1 with reference to the light intensity threshold value, the light intensity of key area 12 buttons 122 of light sensation sensor 2 inductions is a certain numerical value, the light intensity numerical value of relatively light sensation sensor 2 inductions and the size with reference to light intensity threshold value M1 that initial setting up unit 31 is provided with are judged in threshold decision unit 32, when threshold decision unit 32 is judged as not, be light sensation sensor 2 induction key area 12 buttons 122 light intensity greater than initial setting up unit 31 be provided with reference to light intensity threshold value M1, illustrate that the light intensity of external light source can support the clear resolution of user to control the button of portion 1 or the changing value of light intensity; When threshold decision unit 32 is judged as when being, be light sensation sensor 2 induction key area 12 buttons 122 light intensity less than initial setting up unit 31 be provided with reference to light intensity threshold value M1, the light intensity that external light source is described a little less than, the concrete button that is not enough to make the clear resolution of user control portion 1 or the changing value of light intensity, because secondary light source 14 is electrically connected with the threshold decision unit 32 of controller 3, at this moment, 32 controls of threshold decision unit start secondary light source 14, to strengthen as the light intensity with reference to light source.
Preferably, secondary light source is a led light source, and the quantity of led light source and concrete installation site do not limit, and are advisable to satisfy to can be used as with reference to light source and have certain light intensity.
Whether the light intensity changing value with described light sensation sensor 2 corresponding described key area buttons that is used to detect described light sensation sensor 2 inductions has reached the light intensity change threshold that described threshold value is provided with the described key area button that unit 33 is provided with, and the induction detecting unit 34 of output testing result information;
Be used for responding the control response unit 35 of the corresponding button in described key area according to the described testing result information Control of described induction detecting unit 34 outputs;
Described threshold value is provided with unit 33, described induction detecting unit 34 and described control response unit 35 and is electrically connected successively.
During concrete enforcement, the light intensity change threshold that threshold value is provided with the key area button of unit 33 settings can be provided with reference to the numerical values recited with reference to the light intensity threshold value that initial setting up unit 31 is provided with, as, the light intensity change threshold that threshold value is provided with the key area button of unit 33 settings is M2, the light intensity changing value of 2 inductions of light sensation sensor and light sensation sensor 2 corresponding key area buttons, the light intensity changing value of light sensation sensor 2 inductions is because the user covers button and produces, when the user covers a certain button, light deepening on the light sensation sensor 2 of this button correspondence, the difference of light intensity is the light intensity changing value of light sensation sensor 2 inductions before and after covering, at this moment, the above-mentioned light intensity changing value of induction detecting unit 34 detections has reached threshold value the light intensity change threshold M2 that unit 33 is provided with has been set, output comprises the testing result information that this button is capped, and control response unit 35 responds the button that respective user is pressed according to the testing result information that this button is capped that comprises of described induction detecting unit 34 outputs.
Be understandable that when keyboard did not cover, the light intensity changing value of light sensation sensor 2 inductions of button correspondence did not reach threshold value the light intensity change threshold M2 that unit 33 is provided with is set, control response unit 35 does not respond.
In conjunction with referring to Fig. 3, shown in Figure 4, the flow process that the control of the utility model embodiment keyboard structure starts secondary light source and control response specifically may further comprise the steps:
Among the step S101, the light intensity of the key area button of induction, the light intensity of key area 12 buttons 122 of light sensation sensor 2 inductions is a certain numerical value, also comprise that initial setting up unit 31 is provided with before this step with reference to the light intensity threshold value, this can be keyboard unified setting when dispatching from the factory with reference to the light intensity threshold value, also can be the user uses setting up on their own that scene carries out according to reality, and for example, what initial setting up unit 31 was provided with is M1 with reference to the light intensity threshold value.
Among the step S201, the light intensity numerical value of relatively light sensation sensor 2 inductions and the size with reference to light intensity threshold value M1 that initial setting up unit 31 is provided with are judged in threshold decision unit 32, when threshold decision unit 32 is judged as when being, the light intensity that external light source is described a little less than, the concrete button that is not enough to make the clear resolution of user control portion 1 or the changing value of light intensity then enter step S301; When threshold decision unit 32 is judged as not, illustrate that the light intensity of external light source can support the clear resolution of user to control the button of portion 1 or the changing value of light intensity, then enter step S302.
Among the step S301, start secondary light source;
Among the step S302, use external light source.
Control starts the flow process that changes keyboard structure control response after the secondary light source flow process finishes over to, specifically comprises:
Among step S401 and the step S501, the light intensity changing value of induction and light sensation sensor 2 corresponding key area buttons, the light intensity changing value of light sensation sensor 2 inductions is because the user covers button and produces, when the user covers a certain button, light deepening on the light sensation sensor 2 of this button correspondence, the difference of light intensity is the light intensity changing value of light sensation sensor 2 inductions before and after covering.
Among the step S601, whether the light intensity changing value of judging induction is greater than change threshold M2, need to prove, change threshold M2 is provided with reference to the numerical values recited with reference to the light intensity threshold value that initial setting up unit 31 is provided with, when detecting above-mentioned light intensity changing value and reached threshold value the light intensity change threshold M2 that unit 33 is provided with is set, then change step S701 over to, otherwise process ends.
Among the step S701, handle the related key incident, concrete: output comprises the testing result information that this button is capped, and control response unit 35 responds the button that respective user is pressed according to the testing result information that this button is capped that comprises of described induction detecting unit 34 outputs.
Be understandable that when keyboard did not cover, the light intensity changing value of light sensation sensor 2 inductions of button correspondence did not reach threshold value the light intensity change threshold M2 that unit 33 is provided with is set, control response unit 35 does not respond.
The utility model embodiment also discloses a kind of terminal device, comprises above-mentioned keyboard structure, and this terminal device is the arbitrary equipment in mobile phone, computing machine or the printer, and embodiment is identical with the embodiment of above-mentioned keyboard structure, repeats no more.
A kind of keyboard structure of the utility model embodiment and have the terminal device of this keyboard structure because the portion of controlling is an individual layer printing opacity platy structure, can be by ambient light as induction with reference to light source, simple in structure, reduced unnecessary waste, reduced production cost; Simultaneously, realize response owing to need only cover corresponding key area with finger or other objects in this keyboard structure use, and do not need to push, reduced the physics loss of keyboard, improved precision, prolonged the serviceable life of keyboard.
Above disclose only for a kind of preferred embodiment of the utility model, can not limit the interest field of the utility model certainly with this, therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (7)
1. keyboard structure, comprise the portion of controlling, be used to respond to described control the light sensation sensor that portion's light intensity changes and be used for light intensity according to described light sensation sensor sensing change and judge the described controller of controlling portion's button operation situation, described portion, described light sensation sensor and the described controller controlled is electrically connected successively, it is characterized in that, the described portion of controlling is an individual layer printing opacity platy structure, described light sensation sensor is positioned at the described portion of controlling and has the relative opposite side of key area one side, and described light sensation sensor is corresponding with the position of described key area button.
2. keyboard structure as claimed in claim 1, it is characterized in that, described keyboard structure also comprise the light that is used to reduce described key area button change to the light barrier of the corresponding light sensation sensor influence of key position around it, described light barrier enclosing be arranged on described light sensation sensor around.
3. keyboard structure as claimed in claim 1 is characterized in that, described controller comprises:
The threshold value that is used to be provided with the light intensity change threshold of described key area button is provided with the unit;
Whether the light intensity changing value with the corresponding described key area of described light sensation sensor button that is used to detect described light sensation sensor sensing has reached the light intensity change threshold that described threshold value is provided with the described key area button that the unit is provided with, and the induction detecting unit of output testing result information;
Be used for responding the control response unit of the corresponding button in described key area according to the described testing result information Control of described induction detecting unit output;
Described threshold value is provided with unit, described induction detecting unit and described control response unit and is electrically connected successively.
4. keyboard structure as claimed in claim 3 is characterized in that, described controller also comprises:
Be used to be provided with initial setting up unit with reference to the light intensity threshold value;
Be used to judge the threshold decision the unit whether light intensity of the described key area button of described light sensation sensor sensing is provided with less than described initial setting up unit with reference to the light intensity threshold value;
Described initial setting up unit and described threshold decision unit are electrically connected.
5. keyboard structure as claimed in claim 4, it is characterized in that, the described portion of controlling also comprises secondary light source, the described threshold decision unit of described secondary light source and described controller is electrically connected, when the light intensity of the described key area button of the described light sensation sensor sensing of described threshold decision unit judges less than described initial setting up unit be provided with reference to the light intensity threshold value time, described threshold decision unit controls starts described secondary light source.
6. keyboard structure as claimed in claim 5 is characterized in that, described secondary light source is a led light source.
7. a terminal device is characterized in that, described terminal device comprises the keyboard structure as described in each as claim 1-6, and described terminal device is any equipment in mobile phone, computing machine or the printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202364673U CN201707645U (en) | 2010-06-24 | 2010-06-24 | Keyboard structure and terminal device provided with keyboard structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202364673U CN201707645U (en) | 2010-06-24 | 2010-06-24 | Keyboard structure and terminal device provided with keyboard structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707645U true CN201707645U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202364673U Expired - Lifetime CN201707645U (en) | 2010-06-24 | 2010-06-24 | Keyboard structure and terminal device provided with keyboard structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201707645U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539277A (en) * | 2014-10-13 | 2015-04-22 | 广东美的集团芜湖制冷设备有限公司 | Light-operated key |
| CN108399014A (en) * | 2018-05-22 | 2018-08-14 | 漳州立达信光电子科技有限公司 | Control system and keyboard |
| CN109284011A (en) * | 2018-11-06 | 2019-01-29 | 仁化县启航电子科技有限公司 | A kind of light sensation keyboard |
-
2010
- 2010-06-24 CN CN2010202364673U patent/CN201707645U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539277A (en) * | 2014-10-13 | 2015-04-22 | 广东美的集团芜湖制冷设备有限公司 | Light-operated key |
| CN108399014A (en) * | 2018-05-22 | 2018-08-14 | 漳州立达信光电子科技有限公司 | Control system and keyboard |
| CN109284011A (en) * | 2018-11-06 | 2019-01-29 | 仁化县启航电子科技有限公司 | A kind of light sensation keyboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110112 |
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| CX01 | Expiry of patent term |