CN109144332B - Mobile electronic equipment, portable keyboard thereof and intelligent perception input method - Google Patents
Mobile electronic equipment, portable keyboard thereof and intelligent perception input method Download PDFInfo
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- CN109144332B CN109144332B CN201811192180.2A CN201811192180A CN109144332B CN 109144332 B CN109144332 B CN 109144332B CN 201811192180 A CN201811192180 A CN 201811192180A CN 109144332 B CN109144332 B CN 109144332B
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000008447 perception Effects 0.000 title abstract description 6
- 230000009471 action Effects 0.000 claims abstract description 32
- 230000033001 locomotion Effects 0.000 claims description 38
- 238000010009 beating Methods 0.000 claims description 5
- 230000001953 sensory effect Effects 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 2
- 230000005057 finger movement Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 14
- 238000004590 computer program Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000006243 chemical reaction Methods 0.000 description 1
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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
- G06F3/03—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 mobile electronic device, a portable keyboard and an intelligent perception input method thereof, wherein the method comprises the following steps: providing a driving signal to the positioning light source to drive the positioning light source to provide a light signal in a specified direction, wherein the light signal is used for indicating an operation area of the keyboard; providing a collection signal for the tracker to drive the tracker to collect a hand action signal set, wherein the hand action signal set is used for representing hand actions in a keyboard operation area; acquiring and analyzing a hand action signal set to obtain a keyboard input signal matched with the hand action signal set; and transmitting the keyboard input signal to the mobile terminal. The scheme disclosed by the invention can improve the accuracy of the font input of the user.
Description
Technical Field
The invention relates to the technical field of keyboards, in particular to a mobile electronic device, a portable keyboard thereof and an intelligent perception input method.
Background
With the rapid development of integrated circuit technology, the processing capability of mobile terminals, especially mobile phones, is greatly improved, and the mobile terminals are changing from simple communication tools to an integrated information processing platform. For example, entertainment chat, office typing and other functions are added. And these functions are all independent of the keyboard input. Currently, there are two ways to implement mobile terminal input. The first is to use the virtual keyboard of the mobile terminal, input by clicking the virtual keyboard, and because the key size of the virtual keyboard is greatly different from the actual finger size of human beings, misoperation often occurs to the user, and the mobile terminal is not suitable for long-time typing and has low office efficiency. The second type is to input by adding a Bluetooth keyboard, but the common Bluetooth keyboard is large in size and inconvenient to carry.
Therefore, how to improve portability of the mobile terminal keyboard and improve accuracy of character input is a technical problem to be solved.
Disclosure of Invention
The technical problem to be solved by the invention is how to improve the portability of the mobile terminal keyboard and the accuracy of character input.
To this end, according to a first aspect, an embodiment of the present invention discloses a portable keyboard comprising: a sensor mounting rack; the positioning light source is arranged on the sensor mounting frame and used for providing light signals to the appointed direction, and the light signals are used for indicating the keyboard operation area; the trackers are arranged on the sensor mounting frame and are respectively distributed on two sides of the positioning light source and used for respectively tracking and collecting hand motions in the keyboard operation area to obtain a hand motion signal set; the controller is respectively connected with the positioning light source and the trackers in a signal way, and is used for respectively controlling the positioning light source and/or the trackers to execute respective actions; the controller is also used for receiving and analyzing the hand action signal set to obtain a keyboard input signal matched with the hand action signal set and transmitting the keyboard input signal to the mobile terminal.
Optionally, the tracker includes: a transmitter and a receiver arranged in pairs; the transmitter transmits an infrared signal to the keyboard operation area under the excitation of the controller; the receiver receives the infrared signal reflected by the hand in the keyboard operation area to obtain reflection information, and the reflection information carries hand signal information. The controller analyzes the reflection information to determine the gesture of the hand in the keyboard operation area so as to obtain a keyboard input signal matched with the hand action signal set.
Optionally, the number of the plurality of trackers is at least 10, and the plurality of trackers are used for respectively tracking and collecting the finger motions in the keyboard operation area one by one to obtain the hand motion signal set.
Optionally, the method further comprises: the vibration sensor is arranged at the bottom of the sensor mounting frame, is connected with the controller through signals and is used for contacting with a table surface where the keyboard operation area is located; the vibration sensor is used for collecting a beating signal in the keyboard operation area to obtain vibration waves; the controller is used for obtaining keyboard input signals matched with the hand motion signal set according to the hand motion signal set and the vibration wave.
Optionally, the method further comprises: a carrier, comprising: the mobile terminal comprises a shell, a mobile terminal storage device and a mobile terminal storage device, wherein the shell is provided with a mobile terminal storage position for storing the mobile terminal; one end of the mobile terminal placement position is provided with an opening for leading in the mobile terminal to the mobile terminal placement position or leading out the mobile terminal from the mobile terminal placement position; the sensor mounting frame is rotatably arranged on the side edge of the shell along the first direction; and the cover body can move along the first direction and is arranged at one end of the shell close to the opening of the mobile terminal placement position and is used for closing or opening the opening of the mobile terminal placement position.
Optionally, the carrier further comprises: and the bracket is rotatably accommodated and arranged on one side of the shell opposite to the placement position of the mobile terminal.
Optionally, the method further comprises: the electric connector is arranged on one side of the cover body close to the opening of the mobile terminal placement position; the electric connector is used for electrically connecting the mobile terminal placed on the mobile terminal placement position and the controller after the cover body is closed to the opening of the mobile terminal placement position.
According to a second aspect, an embodiment of the present invention provides an intelligent perception input method, including: providing a driving signal to the positioning light source to drive the positioning light source to provide a light signal in a specified direction, wherein the light signal is used for indicating an operation area of the keyboard; providing a collection signal for the tracker to drive the tracker to collect a hand action signal set, wherein the hand action signal set is used for representing hand actions in a keyboard operation area; acquiring and analyzing a hand action signal set to obtain a keyboard input signal matched with the hand action signal set; and transmitting the keyboard input signal to the mobile terminal.
According to a third aspect, an embodiment of the present invention provides an intelligent sensory input device, including: the driving signal module is used for providing driving signals for the positioning light source to drive the positioning light source to provide light signals according to the appointed direction, and the light signals are used for indicating the keyboard operation area; the acquisition signal module is used for providing an acquisition signal for the tracker to drive the tracker to acquire a hand action signal set, and the hand action signal set is used for representing hand actions in the keyboard operation area; the input signal module is used for acquiring and analyzing the hand action signal set to obtain a keyboard input signal matched with the hand action signal set; and the signal sending module is used for sending the keyboard input signal to the mobile terminal.
According to a fourth aspect, an embodiment of the present invention provides a mobile electronic device, including: a keyboard as in the first aspect; and the mobile terminal is placed on the shell and is in signal connection with the controller.
According to a fifth aspect, the present invention provides a computer apparatus comprising a processor for executing a computer program stored in a memory to implement the method of the second aspect described above.
According to a sixth aspect, the present invention provides a computer readable storage medium having stored thereon a computer program, a processor for executing the computer program stored in the storage medium to perform the method of the second aspect described above.
The technical scheme of the invention has the following advantages:
the portable keyboard provided by the embodiment of the invention is characterized in that the positioning light source and the trackers are arranged on the sensor mounting frame, the positioning light source is used for providing the light signals for indicating the keyboard operation area, the trackers are used for tracking and collecting the hand motions in the keyboard operation area to obtain the hand motion signal set, and the controller is respectively connected with the positioning light source and the trackers and is used for receiving and analyzing the hand motion signal set to obtain the keyboard input signals matched with the hand motion signal set and transmitting the keyboard input signals to the mobile terminal. Compared with the scheme of using a virtual keyboard or a Bluetooth keyboard of a mobile phone in the prior art, the scheme disclosed by the embodiment of the invention enables a user to establish a keyboard operation area outside a physical keyboard of the mobile terminal, so that the problem that the key size of the virtual keyboard is greatly different from the actual finger size of a human being is avoided, the probability of user input errors is reduced, and the accuracy of user font input is improved; meanwhile, the scheme disclosed by the embodiment of the invention does not need to add an additional physical keyboard, and is convenient to carry.
As an optional technical scheme, the vibration sensor is arranged at the bottom of the sensor mounting frame and is used for contacting with a table surface where the keyboard operation area is located to collect a beating signal in the keyboard operation area so as to obtain vibration waves. The system has the effects of enhancing the robustness of the system, fusing the vibration data acquired by the vibration sensor with the hand action signal set data acquired by the tracker, and improving the measurement accuracy. In addition, the situation that the tail end of the finger of the user reaches the letter area, but the keyboard operation area is not knocked to generate vibration or vibration is generated, and the finger is not in the letter area is avoided, so that misoperation of the user is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a portable keyboard according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a front structure of a portable keyboard according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a back structure of a portable keyboard according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a front layout of a portable keyboard according to an embodiment of the present invention;
FIG. 5 is a schematic diagram showing a back layout of a portable keyboard according to an embodiment of the present invention;
FIG. 6 is a schematic view of a sensor mount according to an embodiment of the present invention;
FIG. 7 is an enlarged view of a portion of a vibration sensor in accordance with an embodiment of the present invention;
FIG. 8 is a flow chart of an intelligent perception input method in an embodiment of the invention;
fig. 9 is a block diagram of an intelligent sensing input device according to an embodiment of the present invention.
Reference numerals: cover 1, cover latch 101, telescoping rod 102, volume hole 103, electrical connector 104, anti-slip glue 105, sensor mount 2, backplane 201, spring plate 202, screw 203, positioning light source 204, tracker 205, vibration sensor 206, tracker panel 207, sensor mount lock hole 208, housing 3, flash hole 301, camera hole 302, volume key hole 303, switch key hole 304, bracket 305, sensor mount latch 306, cover lock hole 307, encoder 4, infrared receiving module 5, communication chip 6, first chip 7, second chip 8.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Please refer to fig. 1, which is a schematic diagram of a portable keyboard disclosed in the present embodiment, the portable keyboard includes a cover 1, a sensor mounting frame 2 and a housing 3, wherein:
referring to fig. 3, 6 and 7, the sensor mounting frame 2 includes a base plate 201 and a rotating shaft, and a positioning light source 204 is mounted on the rotating shaft of the sensor mounting frame 2, where the positioning light source 204 is used to provide a light signal to a specified direction, and the light signal is used to indicate a keyboard operation area. In the implementation process, the number of the positioning light sources 204 is two, and the two positioning light sources 204 are symmetrically arranged in the center of the sensor mounting frame 2 along the central axis of the sensor mounting frame 2, and the positioning light sources 204 are used for forming light spots in the keyboard operation area to determine the initial position of the keyboard operation area. The rotation shaft of the sensor mounting frame 2 is a damping rotation shaft, the angle of the sensor mounting frame 2 can be adjusted in a certain range, and a user can change the distance of the projection of the light emitted by the positioning light source 204 on the table surface by adjusting the angle of the sensor mounting frame 2 so as to obtain a comfortable typing area. The rotating shaft of the sensor mounting frame 2 is further provided with a tracker panel 207, a plurality of trackers 205 are uniformly arranged on the tracker panel 207, each tracker 205 comprises transmitters and receivers which are arranged in pairs, preferably, the number of trackers 205 is 10, and the trackers 205 are uniformly distributed on two sides of the positioning light source 204 and used for respectively tracking and collecting the movements of each finger in the keyboard operation area one by one to obtain a hand movement signal set.
The vibration sensor 206 is mounted on the base plate 201 of the sensor mounting frame 2, and the vibration sensor 206 contacts with the table surface where the keyboard operation area is located to collect the beating signal of the table surface where the keyboard operation area is located, thereby obtaining the vibration wave. In a specific implementation process, the spring piece 202 is fixed on the bottom plate 201 through the screw 203, and the vibration sensor 206 is fixedly connected with the spring piece 202 and the rotating shaft through the screw 203. When a user types on the table surface, the table surface is knocked to generate vibration, the vibration generated by knocking the table surface is amplified by the spring piece 202 on the sensor mounting frame 2, so that the vibration sensor 206 generates a large deformation amount, and the vibration sensor 206 acquires the deformation amount to realize conversion from a mechanical signal to an electric signal. The bottom plate 201 of the sensor mounting frame 2 is also provided with a sensor mounting frame locking hole 208.
Referring to fig. 2, 3, 4 and 5, the sensor mounting frame 2 is rotatably disposed on a side of the housing 3 along a first direction by a rotation shaft, and in this embodiment, the first direction is from one end of the mobile terminal placement position where an opening is provided to the other end of the mobile terminal placement position.
One side of the shell 3 is provided with a mobile terminal placing position, one end of the mobile terminal placing position is provided with an opening, and the opening is used for placing or taking out the mobile terminal into or from the mobile terminal placing position. In the specific implementation process, the mobile terminal may be a mobile phone, and it should be noted that, in this embodiment, the mobile terminal is merely an example for facilitating understanding of those skilled in the art, and is not to be construed as limiting the technical solution of the present application, and the specific type of the mobile terminal is not limited in this embodiment, and may be determined empirically in the specific implementation process. The encoder 4 is installed to one side that sets up mobile terminal place on the casing 3, and communication chip 6, first chip 7 and second chip 8 are installed to one side on the casing 3 opposite to mobile terminal place, and wherein, the first chip 7 carries out preliminary treatment such as filtering to the beating signal that vibration sensor 206 gathered, and the second chip 8 carries out preliminary treatment to the hand action signal set that tracker 205 gathered, and communication chip 6 carries out the data that gathers and sends the data that gathers to mobile terminal to the data that first chip 7 and second chip 8 gathered. In a specific implementation process, one end of the sensor mounting frame 2 may be used in cooperation with the encoder 4, and different positions of the sensor mounting frame 2 may be recorded by the encoder 4 and sent to the communication chip 6 to change internal parameters of the tracker 205 and the vibration sensor 206, so as to compensate for deviation of sensor acquired data caused by typing on different tables.
A bracket 305 and a sensor mounting frame latch 306 are arranged on the other side of the shell 3 opposite to the mobile terminal placement position, the sensor mounting frame latch 306 is matched with the sensor mounting frame locking hole 208, and in an initial state, the sensor mounting frame latch 306 is matched with the sensor mounting frame locking hole 208 to fix the sensor mounting frame 2 on the shell 3; the support 305 is rotatably connected with the housing 3, and the support 305 can be accommodated on the housing 3, and the support 305 is used for adjusting the viewing angle, so as to provide a comfortable look and feel for the user.
One end of the shell 3 far away from the mobile terminal placement position opening can be provided with a flash lamp hole 301 and a camera hole 302, and the positions of the flash lamp hole 301 and the camera hole 302 correspond to the positions of a flash lamp and a camera on the mobile terminal respectively, so that the mobile terminal is convenient for daily use; one side of the shell 3 can be also provided with a volume key hole 303 and a switch key hole 304, and the volume key and the switch key hole 304 respectively correspond to the positions of a volume key and a switch key on the mobile terminal, so that the volume and the switch of the mobile terminal can be conveniently adjusted; the casing 3 is further provided with a cover lock hole 307 at one end of the opening of the mobile terminal.
Referring to fig. 2, a cover 1 is disposed at one end of the cover 1 near the opening of the mobile terminal placement site and can slide on the housing 3 along a first direction for closing or opening the opening of the mobile terminal placement site.
One end of the cover body 1 is provided with a telescopic rod 102, the telescopic rod 102 can rotate around the axis of the cover body, the cover body 1 slides on the shell 3 through the telescopic rod 102 to open or close an opening of the mobile terminal placing position, and the rotatable telescopic rod 102 increases the space of the opening of the mobile terminal placing position, so that the mobile terminal can be placed in the mobile terminal placing position or taken out from the mobile terminal placing position conveniently; the other end of the cover body 1 is provided with a cover body lock 101 matched with a cover body lock hole 307 on the shell body 3, when the cover body 1 closes the opening of the mobile terminal placing position, the cover body 1 and the shell body 3 are locked together through the cover body lock 101, so as to play a role in fixing; a plurality of volume holes 103 can be uniformly formed in the cover body 1, so that the mobile terminal can be used daily; the cover body 1 is also provided with the anti-slip adhesive 105, and preferably, the anti-slip adhesive 105 is positioned at the center of one side of the cover body 1 at the same side as the placement position of the mobile terminal, and the anti-slip adhesive 105 is convenient for a user to separate the cover body 1 from the shell 3; the cover body 1 is also provided with an electric connector 104, the electric connector 104 is arranged on one side of the cover body 1, which is close to the opening of the mobile terminal placing position, and when the cover body 1 is closed to the opening of the mobile terminal placing position, the electric connector 104 is connected with the mobile terminal placed on the mobile terminal placing position.
And the controller is in signal connection with the positioning light source 204, the vibration sensor 206 and the trackers 205, and is used for respectively controlling the positioning light source 204, the vibration sensor 206 and the trackers 205 to execute respective actions, the electric connector 104 is used for electrically connecting the mobile terminal placed on the mobile terminal placement position with the controller, the portable keyboard obtains electric energy from the battery of the mobile terminal through the electric connector 104 to maintain the operation of the portable keyboard, and information acquired by the vibration sensor 206 and the trackers 205 is also transmitted to the mobile terminal through the electric connector 104.
Referring to fig. 8, a flowchart of an intelligent sensing input method disclosed in this embodiment includes:
step S401, providing a driving signal to the positioning light source drives the positioning light source to provide an optical signal in a specified direction.
In the specific implementation process, the optical signal is used for indicating the keyboard operation area, the number of the positioning light sources is two, the two positioning light sources project light spots to the desktop at a certain angle, and the positions of the two light spots are initial positioning positions in the keyboard operation area. In a specific embodiment, the two projected light spots may represent the second row of letters "f" of the portable keyboard and the second row of letters "j" of the portable keyboard, respectively, and a three-dimensional coordinate system is established in space based on the two projected light spots, wherein the letter "f" is used as an origin of coordinates, the vertical table top is upward used as a Z axis, the connection line of the letters "f" and "j" is used as an X axis, and the vertical axis is used as a Y axis.
Step S402, providing acquisition signals to the tracker to drive the tracker to acquire a hand motion signal set.
In a specific implementation, the set of hand motion signals is used to characterize hand motion in the keyboard operational area. The controller sends an acquisition signal to the tracker to drive the tracker to acquire hand motions of a user in the keyboard operation area. The tracker comprises a transmitter and a receiver which are arranged in pairs, the controller excites the transmitter to emit infrared signals to the keyboard operation area, the receiver receives the infrared signals reflected by hands in the keyboard operation area to obtain reflection information, and the reflection information carries hand signal information.
Step S403, acquire and analyze the hand motion signal set to obtain a keyboard input signal matched with the hand motion signal set.
The controller acquires a hand motion information set, analyzes the acquired hand motion information set to determine the gesture of the hand in the keyboard operation area, and receives the reflected information and the vibration wave to obtain a keyboard input signal matched with the hand motion signal set.
Step S404, the keyboard input signal is sent to the mobile terminal.
The embodiment also discloses an intelligent sensing input device, please refer to fig. 9, which is a schematic structural diagram of the intelligent sensing input device, the intelligent sensing input device includes:
a driving signal module 501 for providing a driving signal to the positioning light source to drive the positioning light source to provide a light signal in a specified direction, the light signal being used to indicate a keyboard operation area; the acquisition signal module 502 is configured to provide an acquisition signal to the tracker to drive the tracker to acquire a hand motion signal set, where the hand motion signal set is used for representing hand motions in the keyboard operation area; an input signal module 503, configured to obtain and parse the hand motion signal set to obtain a keyboard input signal matched with the hand motion signal set; the signal sending module 504 is configured to send the keyboard input signal to the mobile terminal.
The embodiment also discloses a mobile electronic device, which includes: the mobile terminal and the portable keyboard disclosed in the above embodiment, wherein the mobile terminal is placed on the shell and is in signal connection with the controller.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (10)
1. A portable keyboard, comprising:
the mobile terminal comprises a shell, wherein a mobile terminal placement position is arranged on the shell; an opening is arranged at one end of the mobile terminal placement position and used for leading in the mobile terminal to the mobile terminal placement position or leading out the mobile terminal from the mobile terminal placement position for the mobile terminal; the sensor mounting rack is rotatably arranged on the shell;
the positioning light source is arranged on the sensor mounting frame and used for providing a light signal to a specified direction, the light signal is used for indicating a keyboard operation area, light spots are formed in the keyboard operation area to determine the initial positioning position of the keyboard operation area, and the projection distance of light rays emitted by the positioning light source on a table top is changed by adjusting the angle of the sensor mounting frame so as to enable a user to obtain a comfortable typing area; establishing a space three-dimensional coordinate system in the keyboard operation area based on the initial positioning position, wherein the initial positioning position is a reference of the space three-dimensional coordinate system;
the number of the positioning light sources is two, two projection light spots are formed in the keyboard operation area, and the two projection light spots respectively represent letters 'f' and letters 'j' so as to represent the whole portable keyboard;
the trackers are arranged on the sensor mounting frame and are respectively distributed on two sides of the positioning light source and used for respectively tracking and collecting all finger motions in the keyboard operation area one by one to obtain a hand motion signal set, wherein the hand motion signal set is used for representing hand motions in the keyboard operation area;
the controller is respectively connected with the positioning light source and the trackers in a signal way, and is used for respectively controlling the positioning light source and/or the trackers to execute respective actions; the controller is further configured to receive and parse the set of hand motion signals to determine a hand gesture in the keyboard operation area, obtain a keyboard input signal matched with the set of hand motion signals, and send the keyboard input signal to the mobile terminal.
2. The portable keyboard of claim 1 wherein the tracker comprises: a transmitter and a receiver arranged in pairs;
the transmitter transmits an infrared signal to the keyboard operation area under the excitation of the controller; the receiver receives infrared signals reflected by hands in the keyboard operation area to obtain reflection information, and the reflection information carries the hand action signal set;
the controller analyzes the reflection information to determine the gesture of the hand in the keyboard operation area so as to obtain a keyboard input signal matched with the hand action signal set.
3. The portable keyboard of claim 1, wherein the number of the plurality of trackers is at least 10, and the plurality of trackers are used for respectively tracking and collecting the finger movements in the keyboard operation area one by one to obtain the hand movement signal set.
4. The portable keyboard of any of claims 1-3, further comprising:
the vibration sensor is arranged at the bottom of the sensor mounting frame, is connected with the controller in a signal manner and is used for contacting with a table surface where the keyboard operation area is located;
the vibration sensor is used for collecting a beating signal in the keyboard operation area to obtain vibration waves; the controller is used for obtaining keyboard input signals matched with the hand motion signal set according to the hand motion signal set and the vibration wave.
5. The portable keyboard of claim 4, further comprising:
a carrier, comprising:
the mobile terminal comprises a shell, wherein a mobile terminal placement position is arranged on the shell and used for placing a mobile terminal; the sensor mounting frame is rotatably arranged on the side edge of the shell along the first direction;
and the cover body can move along a first direction and is arranged at one end of the shell close to the opening of the mobile terminal placement position and is used for closing or opening the opening of the mobile terminal placement position.
6. The portable keyboard of claim 5 wherein the carrier further comprises:
and the bracket is rotatably accommodated and arranged on one side of the shell opposite to the placement position of the mobile terminal.
7. The portable keyboard of claim 5, further comprising:
the electric connector is arranged on one side of the cover body, close to the opening of the mobile terminal placement position; the electric connector is used for electrically connecting the mobile terminal placed on the mobile terminal placement position with the controller after the cover body is closed to the opening of the mobile terminal placement position.
8. An intelligent sensory input method, characterized in that it is applied to a portable keyboard as claimed in any one of claims 1 to 7, wherein the intelligent sensory input method comprises:
providing a driving signal for the positioning light source to drive the positioning light source to provide a light signal according to a specified direction, wherein the light signal is used for indicating a keyboard operation area, forming light spots in the keyboard operation area to determine the initial positioning position of the keyboard operation area, and changing the distance of projection of light rays emitted by the positioning light source on a table top by adjusting the angle of the sensor mounting frame so as to enable a user to obtain a comfortable typing area; establishing a space three-dimensional coordinate system in the keyboard operation area based on the initial positioning position, wherein the initial positioning position is a reference of the space three-dimensional coordinate system;
the number of the positioning light sources is two, two projection light spots are formed in the keyboard operation area, and the two projection light spots respectively represent letters 'f' and letters 'j' so as to represent the whole portable keyboard;
providing acquisition signals to a tracker to drive the tracker to acquire a hand motion signal set, wherein the hand motion signal set is used for representing hand motions in a keyboard operation area;
acquiring and analyzing the hand action signal set to obtain a keyboard input signal matched with the hand action signal set;
and sending the keyboard input signal to the mobile terminal.
9. An intelligent sensory input device as claimed in any one of claims 1 to 7, wherein said intelligent sensory input device comprises:
the driving signal module is used for providing driving signals for the positioning light source to drive the positioning light source to provide light signals according to a specified direction, the light signals are used for indicating a keyboard operation area, light spots are formed in the keyboard operation area to determine the initial positioning position of the keyboard operation area, and the projection distance of light rays emitted by the positioning light source on a table top is changed by adjusting the angle of the sensor mounting frame so that a user can obtain a comfortable typing area; establishing a space three-dimensional coordinate system in the keyboard operation area based on the initial positioning position, wherein the initial positioning position is a reference of the space three-dimensional coordinate system;
the number of the positioning light sources is two, two projection light spots are formed in the keyboard operation area, and the two projection light spots respectively represent letters 'f' and letters 'j' so as to represent the whole portable keyboard;
the acquisition signal module is used for providing an acquisition signal for the tracker to drive the tracker to acquire a hand action signal set, and the hand action signal set is used for representing hand actions in a keyboard operation area;
the input signal module is used for acquiring and analyzing the hand action signal set to obtain a keyboard input signal matched with the hand action signal set;
and the signal sending module is used for sending the keyboard input signal to the mobile terminal.
10. A mobile electronic device, comprising:
a portable keyboard as claimed in any one of claims 5 to 7;
and the mobile terminal is placed on the shell and is in signal connection with the controller.
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| CN201811192180.2A CN109144332B (en) | 2018-10-12 | 2018-10-12 | Mobile electronic equipment, portable keyboard thereof and intelligent perception input method |
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| CN201811192180.2A CN109144332B (en) | 2018-10-12 | 2018-10-12 | Mobile electronic equipment, portable keyboard thereof and intelligent perception input method |
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