CN111124244B - Bluetooth infrared virtual keyboard - Google Patents
Bluetooth infrared virtual keyboard Download PDFInfo
- Publication number
- CN111124244B CN111124244B CN201911314735.0A CN201911314735A CN111124244B CN 111124244 B CN111124244 B CN 111124244B CN 201911314735 A CN201911314735 A CN 201911314735A CN 111124244 B CN111124244 B CN 111124244B
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- CN
- China
- Prior art keywords
- infrared
- virtual keyboard
- bluetooth
- module
- key
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000003384 imaging method Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
-
- 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
-
- 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
Abstract
The invention relates to a Bluetooth infrared virtual keyboard system. The virtual keyboard is projected and the positions of keys of the keyboard are positioned through the two positioning projection devices, and the infrared key device is worn by fingers. The positioning device is provided with a Bluetooth module used for connecting the infrared key device and a computer, a ray tracing module used for determining the relative positions of the two positioners and the relative position of the infrared device, an infrared module used for receiving the information of the infrared device, and a projection module used for displaying the virtual keyboard; the infrared device is provided with a Bluetooth module for connecting the positioning device, and the infrared module is used for transmitting signals with the positioning device. The invention is different from the traditional keyboard and the laser projection keyboard, the key input is monitored by two signals of ray tracing and infrared detection, the operation range is not limited on the projection surface, the key detection can be carried out in the ray tracing range, the projection effect is weakened, and the key accuracy is improved.
Description
Technical Field
The invention relates to the field of hardware manufacturing, in particular to a virtual keyboard designed for a computer (mostly a notebook or a microcomputer) with a Bluetooth function.
Background
As computers become more lightweight and smaller, keyboards are separated from a main board and then integrated into a touch screen, but the layout and design of the keyboards still limit the computers to continue shrinking, and even if some keys of the keyboards are omitted or compactly arranged, a minimum limit is inevitable, so that it is necessary to change a physical entity into a virtual entity. To further optimize the virtual keyboard, the computer is operated with the adjustable virtual keyboard by bringing the virtual keyboard on the screen to the desktop. The traditional keyboard needs a main board to receive, process and transmit fixed key information, the accuracy of keys of the projection keyboard is reduced due to various shelters, and a touch screen similar to a pad can involve the problem that the keyboard shelters from pictures, so that a new generation keyboard which has no entity, does not influence the familiar operation of people and can ensure the stability and the accuracy is needed by combining the advantages and the disadvantages of the projection keyboard.
Disclosure of Invention
The invention aims to further optimize a virtual keyboard, and the virtual keyboard is formed by integrating infrared, ray tracing, Bluetooth and projection functions, positioning position information of finger keys through ray tracing, displaying a virtual keyboard picture through projection, connecting a computer through Bluetooth and determining key information through infrared.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a bluetooth infrared virtual keyboard which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the infrared key device comprises an infrared emitting module for emitting infrared signals and an infrared module for transmitting signals with the positioning device;
the positioning device comprises a Bluetooth module, a ray tracing module, an infrared module and a projection module; the projection module is used for projecting the virtual keyboard and recording the positions of all the keyboards of the virtual keyboard; the light ray tracking module is used for tracking an infrared signal of the infrared key device, measuring an infrared shielding position when the infrared key device emits and disappears the infrared signal, comparing the infrared shielding position with the position of the virtual keyboard, and determining a key signal; the infrared module is used for receiving infrared device information; the Bluetooth module is used for realizing signal connection between the positioning device and the infrared key device and signal connection between the positioning device and the computer.
The bluetooth infrared virtual keyboard of the present invention is preferably: the number of the positioning devices is two; the size of the positioning device is 1-2 cm 3; after the two positioning devices are configured through the first driving, automatic imaging and pairing are carried out later.
The bluetooth infrared virtual keyboard of the present invention is preferably: the number of the infrared key devices is ten, and the infrared key devices are respectively arranged on ten fingers.
The bluetooth infrared virtual keyboard of the present invention is preferably: the projection module is provided with a projection lens switch.
The bluetooth infrared virtual keyboard of the present invention is preferably: also comprises an expandable bracket.
The bluetooth infrared virtual keyboard of the present invention is preferably: the two positioning devices take an axis in the direction of the fixed support as a common axis, and perform scaling projection on a virtual keyboard with a fixed proportion by a plane perpendicular to the axis.
The bluetooth infrared virtual keyboard of the present invention is preferably: the ray tracing range is not more than 1m up and down in the direction perpendicular to the planes of the two positioning devices.
The design scheme provided by the invention is mainly designed for a virtual keyboard system which is easy to carry and use and is designed for a microcomputer. The system is easy to carry, can save a large amount of spaces, is convenient to operate, and can automatically form images and pair when being started after the first drive configuration.
Compared with the prior art, the invention has the following advantages:
remote wireless pairing by means of bluetooth technology.
The keyboard entity is not provided, after the configuration is completed, the key is only related to the infrared shielding positions of the positioning device and the infrared key device, and whether the imaging lens is shielded or not, if the keyboard position can be remembered, the key operation is not influenced even if the imaging lens is turned off at the moment.
The sizes of the real objects of the positioning devices are not more than 2cm3, and the infrared key device is attached to the size of a finger, can adjust the thickness and is convenient to carry.
The keyboard is convenient to use, and after the keyboard is configured for the first time, the keyboard can be automatically connected in a matching way and can be displayed for key position positioning only by starting the equipment.
Detailed Description
The present invention will be described in detail
A Bluetooth infrared virtual keyboard comprises ten infrared key devices and two positioning devices.
Ten infrared button devices are respectively worn on ten fingers, and the infrared button devices are attached to the fingers, can adjust the size and are convenient to carry. The infrared key device is provided with an infrared transmitting module for transmitting infrared signals and an infrared module for transmitting signals with the positioning device.
The positioning device comprises a Bluetooth module, a ray tracing module, an infrared module and a projection module. The projection module is used for projecting the virtual keyboard and recording the positions of all the keyboards of the virtual keyboard; the light ray tracking module is used for tracking an infrared signal of the infrared key device, measuring an infrared shielding position when the infrared key device emits and disappears the infrared signal, comparing the infrared shielding position with the position of the virtual keyboard, and determining a key signal; the infrared module is used for receiving infrared device information; the Bluetooth module is used for realizing signal connection between the positioning device and the infrared key device and signal connection between the positioning device and the computer.
The size of the positioning device does not exceed 2cm 3; after the two positioning devices are configured through the first driving, automatic imaging and pairing are carried out later.
When the device is used, the two positioning devices are fixed, the switch is turned on, the positioning devices can perform zoom projection of a virtual keyboard with a fixed proportion on an XY surface vertical to the axis by taking the angle fixed by the positioning devices as a Z axis (the positioning devices are coaxial with the direction of the support under the normal operation condition), and the light rays track the virtual position of the infrared key device, when the distance between the positions of the two positioning devices is far, the virtual keyboard is amplified in an equal proportion, otherwise, the keyboard is reduced in an equal proportion, and when the device is operated, the finger wearing device needs to show that a certain key is pressed down at the moment by shielding an infrared transmitting port (the finger, a desktop or other objects are shielded), then the positioning devices can determine the key information pressed down by the finger according to the position when the infrared signals disappear (the light ray tracking range is vertical to the plane direction of the two positioning devices, the upper and lower parts do not exceed 1 m), namely, the finger does not need to fall on the virtual keyboard, the operation is carried out at a position not exceeding 1m in the vertical direction without influence, and finally the operation is sent to the PC through Bluetooth.
Claims (9)
1. The utility model provides a bluetooth infrared virtual keyboard which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
at least one infrared key device which can be brought to the finger comprises an infrared emission module for emitting infrared signals and an infrared module for transmitting signals with the positioning device;
the positioning device comprises a Bluetooth module, a ray tracing module, an infrared module and a projection module; the projection module is used for projecting the virtual keyboard and recording the positions of all the keyboards of the virtual keyboard; the light ray tracking module is used for tracking an infrared signal of the infrared key device, measuring an infrared shielding position when the infrared key device emits and disappears the infrared signal, comparing the infrared shielding position with the position of the virtual keyboard, and determining a key signal; the infrared module is used for receiving infrared device information; the Bluetooth module is used for realizing signal connection between the positioning device and the infrared key device and signal connection between the positioning device and the computer.
2. The bluetooth infrared virtual keyboard of claim 1, wherein: the number of the positioning devices is two.
3. The bluetooth infrared virtual keyboard of claim 1, wherein: the size of the positioning device is 1-2 cm3。
4. The bluetooth infrared virtual keyboard according to claim 2 or 3, characterized in that: after the two positioning devices are configured through the first driving, automatic imaging and pairing are carried out later.
5. The bluetooth infrared virtual keyboard of claim 1, wherein: the number of the infrared key devices is ten, and the infrared key devices are respectively arranged on ten fingers.
6. The bluetooth infrared virtual keyboard of claim 1, wherein: the projection module is provided with a projection lens switch.
7. The bluetooth infrared virtual keyboard of claim 1, wherein: also comprises an expandable bracket.
8. The bluetooth infrared virtual keyboard of claim 2, wherein: the two positioning devices take an axis in the direction of the fixed support as a common axis, and perform scaling projection on a virtual keyboard with a fixed proportion by a plane perpendicular to the axis.
9. The bluetooth infrared virtual keyboard of claim 7, wherein: the ray tracing range is not more than 1m up and down in the direction perpendicular to the planes of the two positioning devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911314735.0A CN111124244B (en) | 2019-12-19 | 2019-12-19 | Bluetooth infrared virtual keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911314735.0A CN111124244B (en) | 2019-12-19 | 2019-12-19 | Bluetooth infrared virtual keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111124244A CN111124244A (en) | 2020-05-08 |
| CN111124244B true CN111124244B (en) | 2021-07-23 |
Family
ID=70500114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911314735.0A Active CN111124244B (en) | 2019-12-19 | 2019-12-19 | Bluetooth infrared virtual keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111124244B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102023796A (en) * | 2009-09-11 | 2011-04-20 | 鸿富锦精密工业（深圳）有限公司 | Display system of virtual keyboard and realization method thereof |
| CN103558950A (en) * | 2013-11-15 | 2014-02-05 | 深圳市大乘科技有限公司 | Virtual keyboard equipment and achieving method thereof |
| CN108319375A (en) * | 2018-01-18 | 2018-07-24 | 安徽三弟电子科技有限责任公司 | A kind of revolving laser virtual keyboard system |
-
2019
- 2019-12-19 CN CN201911314735.0A patent/CN111124244B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102023796A (en) * | 2009-09-11 | 2011-04-20 | 鸿富锦精密工业（深圳）有限公司 | Display system of virtual keyboard and realization method thereof |
| CN103558950A (en) * | 2013-11-15 | 2014-02-05 | 深圳市大乘科技有限公司 | Virtual keyboard equipment and achieving method thereof |
| CN108319375A (en) * | 2018-01-18 | 2018-07-24 | 安徽三弟电子科技有限责任公司 | A kind of revolving laser virtual keyboard system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111124244A (en) | 2020-05-08 |
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Effective date of registration: 20210809 Address after: 250000 floors 11-12, building 3, future entrepreneurship Plaza, north section of Gangxing Third Road, high tech Zone, Jinan City, Shandong Province Patentee after: Shandong new generation Information Industry Technology Research Institute Co.,Ltd. Address before: North 6th floor, S05 building, Langchao Science Park, 1036 Langchao Road, hi tech Zone, Jinan City, Shandong Province Patentee before: SHANDONG INSPUR ARTIFICIAL INTELLIGENCE RESEARCH INSTITUTE Co.,Ltd. |
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