CN111796689A - Keyboard with partial virtual laser key positions - Google Patents
Keyboard with partial virtual laser key positions Download PDFInfo
- Publication number
- CN111796689A CN111796689A CN202010681679.0A CN202010681679A CN111796689A CN 111796689 A CN111796689 A CN 111796689A CN 202010681679 A CN202010681679 A CN 202010681679A CN 111796689 A CN111796689 A CN 111796689A
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- CN
- China
- Prior art keywords
- keyboard
- key
- virtual
- key area
- cover body
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0202—Constructional details or processes of manufacture of the input device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
- G06F3/0426—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected tracking fingers with respect to a virtual keyboard projected or printed on the surface
Abstract
The invention discloses a keyboard with partial virtual laser key positions, which comprises a keyboard main body, wherein the keyboard main body comprises a keyboard upper cover body, a circuit board, a bottom plate and a virtual laser keyboard assembly; the virtual laser keyboard assembly comprises a linear motor projection module, a linear infrared emitter and a CMOS sensor; the linear motor, the projection module, the linear infrared emitter and the CMOS sensor are arranged on the same side edge of the circuit board; when partial functions of the virtual keyboard are needed, the virtual keyboard switch is pressed down, the projection module projects a keyboard image on an interface on the right side of the keyboard main body, reflected light can be captured by the CMOS sensor when fingers interact with certain key positions on the interface, so that the input key positions are recognized, and meanwhile, the linear motor feeds back each action in a vibration generating mode. The invention has simple structure, convenience and practicability, leads the product to be more portable and miniaturized, and has the functions of all complete key positions.
Description
Technical Field
The invention belongs to the technical field of keyboards, and particularly relates to a keyboard with partial virtual laser key positions.
Background
In order to meet the requirements of portability, practicability and individuation of the existing keyboard products on the market, a mode of reducing key positions outside a main functional area is generally adopted, and although the loss of partial key positions can be compensated by a combined key, the keyboard products are always not as convenient and fast as a full-key keyboard in operation. Portability and functionality cannot be compromised, and only a part of key position reduction practical functions can be cancelled in order to improve portability, and vice versa.
The virtual laser keyboard adopts a light projection technology, and the virtual keyboard can be projected on any plane. The applicability technology of the virtual keyboard researches the finger movement of a user, and decodes and records the keyboard hitting action. By adding the virtual laser keyboard to replace key positions outside the main key area, the portable, practical and personalized requirements can be met, and meanwhile, the convenient and fast operation experience of all key positions is provided for users.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a keyboard with partial virtual laser key positions. The invention replaces some key positions except the main key area by a laser projection mode, utilizes the linear motor to simulate the feedback on the touch sense, and adjusts the projection intensity according to the intensity of the environment light so as to lead the visual perception of the user to be more comfortable.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a keyboard with partial virtual laser key positions comprises a keyboard main body, wherein the keyboard main body comprises a keyboard upper cover body, a circuit board, a bottom plate and a virtual laser keyboard assembly; the surface of the upper cover body of the keyboard is embedded with a plurality of keyboard keys, and the circuit board is positioned in a cavity between the upper cover body of the keyboard and the bottom plate;
the virtual laser keyboard component comprises a linear motor, a projection module, a linear infrared emitter and a CMOS sensor; the linear motor, the projection module and the CMOS sensor are sequentially arranged on the upper part of one side edge of the circuit board, the linear infrared emitter is arranged on the lower part of the same side of the circuit board, correspondingly, a projection module hole site, a linear infrared emitter hole site and a CMOS sensor hole site are arranged on the side surface of the keyboard upper cover body, and a photosensitive hole site is arranged on the upper surface of the keyboard upper cover body; a virtual keyboard switch for controlling the opening and closing state of the virtual laser keyboard component is arranged on the upper surface of the keyboard upper cover body;
when partial functions of the virtual keyboard are needed, the virtual keyboard switch is pressed, the projection module projects a keyboard image on a plane on the side edge of the keyboard main body to form a projection plane, and the linear infrared emitter parallelly emits an infrared plane covering the projection plane 2-3 mm above the projection plane; the infrared light reflected when the finger interacts with a certain key position on the interface can be captured by the CMOS sensor, the position information of the pressed key position is transmitted to the circuit part for processing, thereby recognizing the input key position, and simultaneously the linear motor feeds back each action in a mode of generating vibration.
Further, virtual laser keyboard subassembly still includes the sensitization module, and the sensitization module carries out automatically regulated to projection light according to ambient light intensity, and the sensitization module sets up on a side upper portion of circuit board, is located CMOS sensor rear side.
Furthermore, the solid key area on the surface of the housing on the keyboard comprises a main key area, a functional area and an editing key area, and the virtual key area projected by the projection module is a digital key area.
Furthermore, the solid key areas on the surface of the housing on the keyboard are a main key area and a functional area, and the virtual key areas projected by the projection module are an editing key area and a digital key area.
Furthermore, the solid key area on the surface of the housing on the keyboard is a main key area and a functional area, the virtual key area projected by the projection module is an editing key area or/and a digital key area, and the editing key area and the digital key area are displayed in a switching manner or simultaneously by setting key area selection keys on the surface of the housing on the keyboard.
Furthermore, the solid key area on the surface of the housing on the keyboard is only a main key area, and the virtual key area projected by the projection module is only a digital key area.
Has the advantages that: the invention has simple structure, convenience and practicability, leads the product to be more portable and miniaturized, has all functions of complete key positions, and can start the virtual mouse function when no mouse exists.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a logic block diagram of a virtual laser keyboard assembly of the present invention;
FIG. 3 is a schematic diagram of the distribution of the physical key locations and the virtual key locations in embodiment 1 of the present invention;
FIG. 4 is a schematic diagram of the distribution of the physical key locations and the virtual key locations in embodiment 2 of the present invention;
FIG. 5 is a schematic diagram of the distribution of the physical key locations and the virtual key locations in embodiment 3 of the present invention;
fig. 6 is a schematic diagram of the distribution of the physical key locations and the virtual key locations in embodiment 4 of the present invention.
In the figure, 1-a keyboard body, 2-a keyboard upper cover body, 3-a circuit board, 4-a bottom plate, 5-a virtual laser keyboard component, 6-a linear motor, 7-a projection module, 8-a-word infrared emitter, 9-a CMOS sensor, 10-a photosensitive module, 11-a virtual keyboard switch, 12-a projection module hole site, 13-a-word infrared emitter hole site, 14-a CMOS sensor hole site, 15-a photosensitive hole site, and 16-key site area selection keys.
Detailed Description
The invention is illustrated below with reference to specific examples. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention in any way.
Example 1
A keyboard with partial virtual laser key positions is shown in figure 1 and comprises a keyboard main body 1, wherein the keyboard main body 1 comprises a keyboard upper cover body 2, a circuit board 3, a bottom plate 4 and a virtual laser keyboard component 5; the surface of the keyboard upper cover body 2 is embedded with a plurality of keyboard keys, and the circuit board 3 is positioned in a cavity between the keyboard upper cover body 2 and the bottom plate 4 which are spliced together;
the virtual laser keyboard assembly 5 comprises a linear motor 6, a projection module 7, a linear infrared emitter 8, a CMOS sensor 9 and a photosensitive module 10; the linear motor 6, the projection module 7, the CMOS sensor 9 and the photosensitive module 10 are sequentially arranged on the upper portion of the right side of the circuit board 3, the linear infrared emitter 8 is arranged on the lower portion of the right side of the circuit board 3, correspondingly, a projection module hole site 12, a linear infrared emitter hole site 13 and a CMOS sensor hole site 14 are formed in the right side of the keyboard upper cover body 2, and a photosensitive hole site 15 is formed in the upper surface of the keyboard upper cover body 2; a virtual keyboard switch 11 for controlling the open-close state of the virtual laser keyboard component 5 is arranged on the left side of the upper surface of the keyboard upper cover body 2; as shown in fig. 2, when partial functions of the virtual keyboard are needed, the virtual keyboard switch is pressed, the projection module projects a keyboard image on the interface on the right side of the keyboard main body 1 to form a projection surface, and the linear infrared emitter emits an infrared plane covering the projection surface in parallel 2-3 mm above the projection surface; the reflected infrared light is captured by the CMOS sensor when the finger interacts with a certain key position on the interface, the position information of the pressed key position is transmitted to the circuit part for processing, so that the input key position is recognized, and simultaneously, the linear motor feeds back each action in a mode of generating vibration; the photosensitive module automatically adjusts the projection light according to the intensity of the ambient light. Referring to fig. 3, in this embodiment, the physical key areas on the surface of the cover body 2 on the keyboard include a main key area, a functional area and an editing key area, and the virtual key area projected by the projection module is a numeric key area.
Example 2
As shown in FIG. 4, a keyboard with partial virtual laser keys, on the basis of embodiment 1, the solid key areas on the surface of the casing on the keyboard are the main key area and the functional area, and the virtual key areas projected by the projection module are the editing key area and the digital key area.
Example 3
As shown in FIG. 5, a keyboard with partial virtual laser key positions, on the basis of embodiment 2, the solid key areas on the surface of the housing on the keyboard are the main key area and the functional area, the virtual key areas projected by the projection module are the editing key area or/and the digital key area, and the editing key area and the digital key area are displayed in a switching way or simultaneously by setting the key area selection keys 16 on the surface of the housing on the keyboard.
Example 4
As shown in fig. 6, a keyboard with partial virtual laser key positions, relative to the embodiment 1, the physical key positions on the surface of the housing on the keyboard are only the main key positions, and the virtual key positions projected by the projection module are only the numeric key positions.
Claims (6)
1. A keyboard with partial virtual laser key positions is characterized in that: the keyboard comprises a keyboard main body, wherein the keyboard main body comprises a keyboard upper cover body, a circuit board, a bottom plate and a virtual laser keyboard assembly; the surface of the upper cover body of the keyboard is embedded with a plurality of keyboard keys, and the circuit board is positioned in a cavity between the upper cover body of the keyboard and the bottom plate;
the virtual laser keyboard component comprises a linear motor, a projection module, a linear infrared emitter and a CMOS sensor; the linear motor, the projection module and the linear infrared emission and CMOS sensor are sequentially arranged on the upper part of one side edge of the circuit board, the linear infrared emitter is arranged on the lower part of the same side of the circuit board, correspondingly, a projection module hole site, a linear infrared emitter hole site and a CMOS sensor hole site are arranged on the side surface of the keyboard upper cover body, and a photosensitive hole site is arranged on the upper surface of the keyboard upper cover body; a virtual keyboard switch for controlling the opening and closing state of the virtual laser keyboard component is arranged on the upper surface of the keyboard upper cover body;
when partial functions of the virtual keyboard are needed, the virtual keyboard switch is pressed, the projection module projects a keyboard image on a plane on the side edge of the keyboard main body to form a projection plane, and the linear infrared emitter parallelly emits an infrared plane covering the projection plane 2-3 mm above the projection plane; the infrared light reflected when the finger interacts with a certain key position on the interface can be captured by the CMOS sensor, the position information of the pressed key position is transmitted to the circuit part for processing, thereby recognizing the input key position, and simultaneously, the linear motor makes a feedback section for each action in a mode of generating vibration.
2. The keyboard with partial virtual laser key locations as claimed in claim 1, wherein: the virtual laser keyboard assembly further comprises a photosensitive module, the photosensitive module automatically adjusts projection light according to the intensity of ambient light, and the photosensitive module is arranged on the upper portion of one side edge of the circuit board and located on the rear side of the CMOS sensor.
3. The keyboard with partial virtual laser key locations as claimed in claim 1, wherein: the solid key area on the surface of the upper cover body of the keyboard comprises a main key area, a functional area and an editing key area, and the virtual key area projected by the projection module is a digital key area.
4. The keyboard with partial virtual laser key locations as claimed in claim 1, wherein: the solid key areas on the surface of the upper cover body of the keyboard are a main key area and a functional area, and the virtual key areas projected by the projection module are an editing key area and a digital key area.
5. The keyboard with partial virtual laser key locations as claimed in claim 1, wherein: the solid key area on the surface of the upper cover body of the keyboard is a main key area and a functional area, the virtual key area projected by the projection module is an editing key area or/and a digital key area, and the editing key area and the digital key area are displayed in a switching mode or simultaneously displayed by setting key area selection keys on the surface of the upper cover body of the keyboard.
6. The keyboard with partial virtual laser key locations as claimed in claim 1, wherein: the solid key area on the surface of the housing on the keyboard is only a main key area, and the virtual key area projected by the projection module is only a digital key area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010681679.0A CN111796689A (en) | 2020-07-15 | 2020-07-15 | Keyboard with partial virtual laser key positions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010681679.0A CN111796689A (en) | 2020-07-15 | 2020-07-15 | Keyboard with partial virtual laser key positions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111796689A true CN111796689A (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010681679.0A Pending CN111796689A (en) | 2020-07-15 | 2020-07-15 | Keyboard with partial virtual laser key positions |
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| Country | Link |
|---|---|
| CN (1) | CN111796689A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022143620A1 (en) * | 2020-12-30 | 2022-07-07 | 华为技术有限公司 | Virtual keyboard processing method and related device |
| WO2022188429A1 (en) * | 2021-03-11 | 2022-09-15 | 京东方科技集团股份有限公司 | Keyboard |
-
2020
- 2020-07-15 CN CN202010681679.0A patent/CN111796689A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022143620A1 (en) * | 2020-12-30 | 2022-07-07 | 华为技术有限公司 | Virtual keyboard processing method and related device |
| WO2022188429A1 (en) * | 2021-03-11 | 2022-09-15 | 京东方科技集团股份有限公司 | Keyboard |
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