CN112539699A - Display device and method for laser-assisted positioning - Google Patents
Display device and method for laser-assisted positioning Download PDFInfo
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- CN112539699A CN112539699A CN202011345281.6A CN202011345281A CN112539699A CN 112539699 A CN112539699 A CN 112539699A CN 202011345281 A CN202011345281 A CN 202011345281A CN 112539699 A CN112539699 A CN 112539699A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention belongs to the technical field of display, and particularly discloses a display device and a display method for laser-assisted positioning. The device comprises a display device screen, linear laser transmitters, linear laser receivers and a controller, wherein a plurality of virtual keys for executing corresponding operations are arranged in an operable area, the linear laser transmitters are arranged on two adjacent display device frames, the linear laser receivers are arranged on two adjacent display device frames opposite to the linear laser transmitters, and the controller is used for calculating the specific operation position in the operable area, acquiring the virtual key information corresponding to the operation position and converting the virtual key information into target information. The method comprises the steps that a controller controls linear laser transmitters to transmit linear lasers to linear laser receivers which are arranged in one-to-one correspondence to the linear laser transmitters, the operation positions are calculated, and the linear lasers are converted into target information. The invention has the characteristics of low cost, simple structure and good stability.
Description
Technical Field
The invention belongs to the technical field of display, and particularly relates to a display device and method for laser-assisted positioning.
Background
With the expansion of the market, display devices are applied to more fields, and application modes tend to be diversified. When the size of the existing display device is small, a piezoresistor, a piezocapacitor, a photosensitive element and the like are mostly arranged at the rear part of a display screen, so that the capturing and the positioning of operation are realized, the requirement on the precision of components is high, the cost is high, and the display device is limited by the size of the display; when the size is bigger, the operation is finished by depending on external equipment, the size is not integral, the carrying is inconvenient, and the operation is easily influenced by factors such as external illumination and temperature.
Based on the above defects and shortcomings, there is a need in the art to further improve and design the existing display device, construct a display device with simple structure and stable performance, and solve the problems of high precision and limited size of the original components of the display device in the prior art.
Disclosure of Invention
Aiming at the defects or the improvement requirements of the prior art, the invention provides a display device with laser auxiliary positioning and a method thereof, wherein the display device with laser auxiliary positioning is correspondingly designed by combining the characteristics of the display device and the technical characteristics of auxiliary positioning, and the structures and the specific arrangement modes of key components of the display device, such as a display device screen, a linear laser transmitter, a linear laser receiver and a controller, can be researched and designed, so that the problems of inconvenience in carrying, high cost and easiness in liquid entering into gaps of the display device can be effectively solved, and the auxiliary positioning of the display device realized by laser has the characteristic of good stability due to the self anti-interference characteristic of the laser.
To achieve the above object, according to one aspect of the present invention, there is provided a laser-assisted positioning display device including a display screen, a linear laser transmitter, a linear laser receiver, and a controller, wherein,
the display device screen comprises an operable area and a display device frame arranged on the periphery of the operable area, wherein a plurality of virtual keys for executing corresponding operations are arranged in the operable area, and the virtual keys are used for blocking the transmission of laser emitted by the linear laser emitter when the corresponding operations are executed;
the linear laser transmitters are arranged on the frames of two adjacent display devices and are used for transmitting laser;
the linear laser receivers are arranged on two adjacent display device frames opposite to the linear laser transmitters and used for receiving laser emitted by the linear laser transmitters;
the controller is used for acquiring a key value of a virtual key which is displayed in an operable area corresponding to the corresponding operation position according to the time of the laser transmitter for transmitting the laser and the position of the linear laser receiver which does not receive the laser due to the blockage of the corresponding operation, and converting the key value into target information.
Preferably, the linear laser transmitter includes a first linear laser transmitter and a second linear laser transmitter, and the linear laser receiver includes a first linear laser receiver and a second linear laser receiver, wherein the first linear laser transmitter is disposed corresponding to the first linear laser receiver, and the second linear laser transmitter is disposed corresponding to the second linear laser receiver;
the first linear laser transmitter, the second linear laser transmitter, the first linear laser receiver and the second linear laser receiver are all in communication connection with the controller.
Preferably, the first linear laser transmitters and the first linear laser receivers are arranged in a plurality, and the first linear laser transmitters and the first linear laser receivers are arranged in a one-to-one correspondence manner; the second linear laser transmitter and the second linear laser receiver are provided with a plurality of, and a plurality of the second linear laser transmitter and the second linear laser receiver are arranged in a one-to-one correspondence manner.
As a further preference, the controller includes a laser emission control module, a time counting module, a positioning calculation module, and a corresponding operation conversion module, wherein,
the laser emission control module is used for controlling the linear laser emitter to emit linear laser;
the time counting module is used for calculating the time for delaying the laser emitted by the linear laser transmitter to be received by the linear laser receiver due to the shielding of the corresponding operation;
the positioning calculation module obtains the position of a shielding area, which is used by the linear laser transmitter to shield the linear laser receiver from the laser due to the corresponding operation, in the time period according to the time of transmitting the laser by the linear laser transmitter and the time of delaying the receiving of the laser by the linear laser receiver due to the shielding of the corresponding operation, wherein the position of the shielding area corresponds to a virtual key displayed in an operable area by the controller;
and the operation conversion module acquires the virtual key information corresponding to the operation position according to the position of the virtual key and the key value of the virtual key and converts the virtual key information into target information.
Preferably, the linear laser transmitter and the linear laser receiver are fixedly connected with the screen of the display device by bolts and/or by gluing.
Preferably, the mobile terminal further includes a virtual key wake-up module, a virtual key hiding module, and a hidden timer, wherein the virtual key wake-up module is configured to sense a corresponding operation and wake up the virtual key after sensing the corresponding operation, the virtual key hiding module is configured to hide the virtual key within a specified time when the virtual key is not operated, and the hidden timer is configured to record a time when the virtual key is not operated and trigger the virtual key hiding module when the time when the virtual key is not operated reaches the specified time.
According to another aspect of the invention, a laser-assisted positioning method is further provided, which is implemented by using the display device.
As a further preference, the following steps are included:
the method comprises the following steps: the controller controls the linear laser transmitters to transmit linear laser to linear laser receivers which are arranged in one-to-one correspondence to the linear laser transmitters;
step two: operating a virtual key for performing a corresponding operation within the operable area, the virtual key for displaying function key information when the corresponding operation is performed, the corresponding operation obstructing transmission of laser light emitted by the linear laser emitter when the corresponding operation is performed;
step three: and the controller acquires the virtual key position corresponding to the operation position in the time period according to the time for the linear laser transmitter to transmit the laser, the position of the linear laser receiver which does not receive the laser due to the blockage of the corresponding operation and the time for the linear laser receiver to delay receiving the laser, and converts the key value into target information according to the key value of the virtual key at the position.
As a further preferred, in step three, the calculation model of the position of the operation is:
x1<X<x2
y1<Y<y2
wherein X is a position value of the operation position along the horizontal direction of the operation region, Y is a position value of the operation position along the vertical direction of the operation region, X1 is a position value of a previous linear laser transmitter at the operation position along the vertical direction of the operation region, X2 is a position value of a next linear laser transmitter at the operation position along the vertical direction of the operation region, Y1 is a position value of a previous linear laser receiver at the operation position along the horizontal direction of the operation region, and Y2 is a position value of a next linear laser receiver at the operation position along the horizontal direction of the operation region;
and according to the section of the operation position (X, Y), the operation position corresponds to the position of the virtual display key one to one, so that external input information is transmitted to the controller, and the controller converts the input information into target information.
Preferably, the second step further comprises the following steps:
before operating a virtual key for executing corresponding operation in an operable area, waking up the virtual key;
the third step also comprises the following steps: and after the corresponding operation is not executed within the appointed time, hiding the virtual key.
Generally, compared with the prior art, the above technical solution conceived by the present invention mainly has the following technical advantages:
1. the invention provides a simple and practical mode, under the condition of not making complicated changes to the original display device assembly, the problems of inconvenient carrying, high cost and easy liquid inlet of the display device clearance can be effectively solved by using a line laser transmitter, a laser receiver and the like, and the auxiliary positioning of the display device realized by laser has the characteristics of low cost, simple structure and good stability due to the self anti-interference characteristic of the laser.
2. The device of the invention is convenient to seal and not easy to generate gaps, can effectively solve the problem of liquid leakage of the gaps of the screen layer of the display device, and has the advantages of good manufacturability, easy realization, simplicity, convenience, low cost and the like. The display device without the touch control component has a touch control function.
Drawings
FIG. 1 is a schematic diagram of a laser-assisted positioning display device according to a preferred embodiment of the present invention;
FIG. 2 is a schematic illustration of a laser-assisted positioning display device according to a preferred embodiment of the present invention;
fig. 3 is a schematic structural view of a bezel, a linear laser transmitter, and a linear laser receiver of the display device referred to in fig. 1;
fig. 4 is a schematic structural diagram of a laser-assisted positioning display device according to embodiment 2 of the present invention;
fig. 5 is a schematic diagram of a laser-assisted positioning display device according to a preferred embodiment of the present invention.
In all the figures, the same reference numerals denote the same features, in particular: 1-display device screen, 2-operable area, 3-linear laser emitter, 4-linear laser receiver, 5-display device frame, 6-operation position, 7-linear laser, 8-virtual key.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The device comprises a display device screen, a linear laser transmitter, a linear laser receiver and a controller, wherein the display device screen comprises an operable area and display device frames, a plurality of virtual keys capable of displaying a plurality of corresponding operations are arranged in the operable area, the linear laser transmitter is arranged on two adjacent display device frames, the linear laser receiver is arranged on two adjacent display device frames opposite to the linear laser transmitter, and the controller calculates the specific operation position in the operable area, acquires the virtual key information corresponding to the operation position, converts the virtual key information into target information and transmits the target information to other equipment. The method comprises the steps that a controller controls linear laser transmitters to transmit linear lasers to linear laser receivers which are arranged in one-to-one correspondence to the linear laser transmitters, the operation positions are calculated, and the linear lasers are converted into target contents. The invention can effectively solve the problems of inconvenient carrying, high cost and easy liquid inlet of the display device gap, and has the characteristics of low cost, simple structure and good stability.
Specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, the display device with laser assisted positioning according to the embodiment of the present invention is a simple and practical way, and can effectively solve the problems of inconvenience in carrying, high cost, and easy liquid entry into the gap of the display device by using a line laser transmitter, a laser receiver, etc. without complicated modification of the original display device assembly. The device of the invention is respectively designed with two sections of line laser transmitters and two sections of laser receivers, and the length is determined by the length and the width of the operable area of the display. The device can be arranged in an outer frame of the display device and outside the display screen, and can also improve the existing display device, and the device can be adhered to the edge of the screen of the existing display device in modes of sticking, bolt connection and the like and can complete operation tasks together with a matched positioning device control unit. More specifically, the display device comprises a display device screen 1, a linear laser emitter 3, a linear laser receiver 4 and a controller, wherein the display device screen 1 comprises an operable area 2 and a display device frame arranged around the operable area 2, a plurality of virtual keys for executing corresponding operations are arranged in the operable area 2, and the virtual keys are used for blocking the transmission of laser emitted by the linear laser emitter 3 when the corresponding operations are executed; the linear laser transmitters 3 are arranged on the frames of two adjacent display devices and are used for transmitting laser; the linear laser receivers 4 are arranged on two adjacent display device frames opposite to the linear laser transmitters 3 and used for receiving laser emitted by the linear laser transmitters 3; the controller is used for calculating a corresponding operation position according to the time of the laser emitted by the linear laser emitter 3, the position of the linear laser receiver 4 which does not receive the laser due to the blockage of the corresponding operation and the time of the linear laser receiver 4 delaying to receive the laser, wherein the position corresponds to a virtual key, namely, the key value of the virtual key is obtained according to the virtual key corresponding to the corresponding operation position, and the key value is converted into target information.
In the present invention, the linear laser transmitter 3 includes a first linear laser transmitter and a second linear laser transmitter, and the linear laser receiver 4 includes a first linear laser receiver and a second linear laser receiver, wherein the first linear laser transmitter is disposed corresponding to the first linear laser receiver, and the second linear laser transmitter is disposed corresponding to the second linear laser receiver; the first linear laser transmitter, the second linear laser transmitter, the first linear laser receiver and the second linear laser receiver are all in communication connection with the controller. The first linear laser transmitters and the first linear laser receivers are arranged in a plurality, and the first linear laser transmitters and the first linear laser receivers are arranged in a one-to-one correspondence manner; the second linear laser transmitter and the second linear laser receiver are provided with a plurality of, and a plurality of the second linear laser transmitter and the second linear laser receiver are arranged in a one-to-one correspondence manner.
In a preferred embodiment of the present invention, the controller comprises a laser emission control module, a time counting module, a positioning calculation module and a corresponding operation conversion module, wherein the laser emission control module is used for controlling the linear laser emitter 3 to emit linear laser; the time counting module is used for calculating the time when the laser emitted by the linear laser emitter 3 is blocked by the linear laser receiver 4 due to operation shielding; the positioning calculation module calculates the position of the virtual key according to the time of the linear laser transmitter 3 transmitting laser and the position of the linear laser receiver 4 which does not receive the laser due to the obstruction of the virtual key; and the operation conversion module acquires corresponding operation information according to the position of the virtual key and the time of delaying the linear laser receiving by the linear laser receiver 4 at the position of the virtual key.
Preferably, the linear laser transmitter 3 and the linear laser receiver 4 are fixedly connected with the display device screen 1 by bolts and/or by adhesion.
Preferably, the present invention further includes a virtual key wake-up module, a virtual key hiding module, and a hidden timer, wherein the virtual key wake-up module is configured to sense a corresponding operation and wake up the virtual key after sensing the corresponding operation, the virtual key hiding module is configured to hide the virtual key within a specified time when the virtual key is not operated, and the hidden timer is configured to record a time when the virtual key is not operated and trigger the virtual key hiding module when the time when the virtual key is not operated reaches the specified time. In the invention, the virtual key awakening module comprises an infrared sensor for identifying corresponding operations of people, and correspondingly, in the invention, the sensor for identifying the corresponding operations can be selected according to an executor sending the corresponding operations.
The working process of the device of the invention is as follows:
the method comprises the following steps: the controller controls the linear laser transmitters 3 to transmit linear laser to linear laser receivers 4 which are arranged in one-to-one correspondence with the linear laser transmitters 3.
Step two: a virtual key for performing a corresponding operation is operated within the operable area 2, and the virtual key is used for blocking the transmission of the laser light emitted by the linear laser transmitter 3 when the corresponding operation is performed.
Step three: the controller is used for calculating the key value of the corresponding operation key according to the position of the laser emitted by the linear laser emitter 3 and obstructing the transmission of the linear laser due to the operation. Wherein. The controller calculates the virtual key position corresponding to the operation position in the time period according to the time of the laser transmitter for transmitting the laser, the position of the linear laser receiver which does not receive the laser due to the blockage of the corresponding operation and the time of the linear laser receiver for delaying the laser reception, and converts the key value into the target information according to the key value of the virtual key at the position. The computational model of the position of the operation is:
x1<X<x2
y1<Y<y2
wherein X is a position value of the operation position along the horizontal direction of the operation region, Y is a position value of the operation position along the vertical direction of the operation region, X1 is a position value of a previous linear laser transmitter at the operation position along the vertical direction of the operation region, X2 is a position value of a next linear laser transmitter at the operation position along the vertical direction of the operation region, Y1 is a position value of a previous linear laser receiver at the operation position along the horizontal direction of the operation region, and Y2 is a position value of a next linear laser receiver at the operation position along the horizontal direction of the operation region;
and according to the section of the operation position (X, Y), the operation position corresponds to the position of the virtual display key one to one, so that external input information is transmitted to the controller, and the controller converts the input information into target information.
The laser auxiliary positioning display device is convenient to seal and not easy to generate gaps, can effectively solve the problem of liquid leakage of the gaps of the screen layer of the display device, and has the advantages of good manufacturability, easiness in implementation, simplicity, convenience, low cost and the like. The display device without the touch control component has a touch control function.
Further, the second step further comprises the following steps:
before operating a virtual key for executing corresponding operation in an operable area, waking up the virtual key; the third step also comprises the following steps: and after the corresponding operation is not executed within the appointed time, hiding the virtual key.
Example 1
In the embodiment, two segments of line laser transmitters and two segments of laser receivers are respectively designed, and the length is determined by the length and the width of the operable area of the display. The device can be arranged in an outer frame of the display device and outside the display screen, and can also improve the existing display device, and the device can be adhered to the edge of the screen of the existing display device in modes of sticking, bolt connection and the like and can complete operation tasks together with a matched positioning device control unit.
The laser receiver and the laser transmitter are embedded in the frame of the display device, the frame is guaranteed to be located on the same plane, and the purpose of positioning can be achieved without a sensor outside the screen of the display device. The laser receiver and the laser transmitter are adhered and bolted to the outer side of the frame of the display device and are positioned on the same plane, so that the existing display device is modified or improved.
Example 2
In this embodiment, the operable area may integrate the computer keyboard, and the buttons clicked in the keyboard area are identified by positioning each button on the computer keyboard, specifically, each character for inputting instructions on the computer keyboard is used as a virtual key, and is disposed in the operable area 2, and correspondingly, the linear laser transmitters and the linear laser receivers are mounted around the frame of the display device, in this embodiment, the frame of the display device includes two horizontally disposed frames and two vertically disposed frames, the linear laser transmitters are disposed on the adjacent frames, the linear laser receivers are disposed on the two adjacent frames opposite to the linear laser transmitters, and the number of the linear laser transmitters is the same as the number of lines of the keyboard in the vertical direction, and the number of the linear laser receivers corresponds to the number of lines of the keyboard in the horizontal direction, in this way, at each virtual key, a cross is formed by the line connecting the linear laser emitter and the linear laser receiver. When the positioning operation is carried out, the virtual key is pressed down to enable the virtual key to prevent the linear laser receiver from receiving the laser emitted by the corresponding linear laser emitter, and the controller is used for calculating the position of the virtual key according to the time when the linear laser emitter emits the laser and the position of the linear laser receiver which does not receive the laser due to the blockage of the virtual key.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A display device with laser-assisted positioning, comprising a display device screen (1), a linear laser transmitter (3), a linear laser receiver (4) and a controller,
the display device screen (1) comprises an operable area (2) and a display device frame arranged on the periphery of the operable area (2), wherein a plurality of virtual keys for executing corresponding operations are arranged in the operable area (2), and the virtual keys are used for blocking the transmission of laser emitted by the linear laser emitter (3) when the corresponding operations are executed;
the linear laser transmitters (3) are arranged on the frames of two adjacent display devices and are used for transmitting laser;
the linear laser receivers (4) are arranged on two adjacent display device frames opposite to the linear laser transmitters (3) and used for receiving laser emitted by the linear laser transmitters (3);
the controller is used for acquiring a key value of a virtual key displayed in the operable area (2) corresponding to the corresponding operation position according to the time of the laser transmitter (3) transmitting laser and the position of the linear laser receiver (4) which does not receive the laser due to the blockage of the corresponding operation, and converting the key value into target information.
2. A laser-assisted positioning display device according to claim 1, wherein the linear laser transmitter (3) comprises a first linear laser transmitter and a second linear laser transmitter, and the linear laser receiver (4) comprises a first linear laser receiver and a second linear laser receiver, wherein the first linear laser transmitter is arranged corresponding to the first linear laser receiver, and the second linear laser transmitter is arranged corresponding to the second linear laser receiver;
the first linear laser transmitter, the second linear laser transmitter, the first linear laser receiver and the second linear laser receiver are all in communication connection with the controller.
3. The laser-assisted positioning display device of claim 2, wherein the first linear laser transmitters and the first linear laser receivers are provided in plurality, and the first linear laser transmitters and the first linear laser receivers are arranged in a one-to-one correspondence manner; the second linear laser transmitter and the second linear laser receiver are provided with a plurality of, and a plurality of the second linear laser transmitter and the second linear laser receiver are arranged in a one-to-one correspondence manner.
4. The laser-assisted positioning display device of claim 1, wherein the controller comprises a laser emission control module, a time counting module, a positioning calculation module and a corresponding operation conversion module,
the laser emission control module is used for controlling the linear laser emitter (3) to emit linear laser;
the time counting module is used for calculating the time for delaying the laser emitted by the linear laser emitter (3) to be received by the linear laser receiver (4) due to the corresponding operation occlusion;
the positioning calculation module acquires the position of an occlusion area, in which the linear laser transmitter (3) does not receive the laser light due to the occlusion of the corresponding operation, of the linear laser receiver (4) in the time period according to the time of the linear laser transmitter (3) emitting the laser light and the time of delaying the reception of the laser light by the linear laser receiver (4) due to the occlusion of the corresponding operation, wherein the position of the occlusion area corresponds to a virtual key displayed in the operable area (2) by the controller;
and the operation conversion module acquires the virtual key information corresponding to the operation position according to the position of the virtual key and the key value of the virtual key and converts the virtual key information into target information.
5. A laser-assisted positioning display device according to claim 1, characterised in that the linear laser emitter (3) and the linear laser receiver (4) are fixedly connected to the display device screen (1) by means of screws and/or by gluing.
6. The laser-assisted positioning display device of claim 1, further comprising a virtual key wake-up module, a virtual key hiding module, and a hiding timer, wherein the virtual key wake-up module is configured to sense a corresponding operation and wake up the virtual key after sensing the corresponding operation, the virtual key hiding module is configured to hide the virtual key within a specified time when the virtual key is not operated, and the hiding timer is configured to record a time when the virtual key is not operated and trigger the virtual key hiding module when the time when the virtual key is not operated reaches the specified time.
7. A method for laser-assisted positioning, characterized in that it is implemented using a display device as claimed in any one of claims 1 to 5.
8. The laser-assisted positioning method of claim 7, comprising the steps of:
the method comprises the following steps: the controller controls the linear laser transmitters (3) to transmit linear laser to linear laser receivers (4) which are arranged in one-to-one correspondence to the linear laser transmitters (3);
step two: operating a virtual key for performing a corresponding operation within the operable area (2), the virtual key for displaying function key information when the corresponding operation is performed, the corresponding operation obstructing the transmission of the laser light emitted by the linear laser emitter (3) when the corresponding operation is performed;
step three: the controller obtains the virtual key position corresponding to the operation position in the time period according to the time of the laser transmitter (3) for transmitting the laser, the position of the linear laser receiver (4) which does not receive the laser due to the blockage of the corresponding operation and the time of the linear laser receiver (4) for delaying the laser reception, and converts the key value into the target information according to the key value of the virtual key at the position.
9. The laser-assisted positioning method of claim 7, wherein in step three, the calculation model of the position of the operation is:
x1<X<x2
y1<Y<y2
wherein X is a position value of the operation position along the horizontal direction of the operation region, Y is a position value of the operation position along the vertical direction of the operation region, X1 is a position value of a previous linear laser transmitter at the operation position along the vertical direction of the operation region, X2 is a position value of a next linear laser transmitter at the operation position along the vertical direction of the operation region, Y1 is a position value of a previous linear laser receiver at the operation position along the horizontal direction of the operation region, and Y2 is a position value of a next linear laser receiver at the operation position along the horizontal direction of the operation region;
and according to the section of the operation position (X, Y), the operation position corresponds to the position of the virtual display key one to one, so that external input information is transmitted to the controller, and the controller converts the input information into target information.
10. The laser-assisted positioning method of claim 7, wherein the second step further comprises the steps of:
before operating the virtual key for executing corresponding operation in the operable area (2), waking up the virtual key;
the third step also comprises the following steps: and after the corresponding operation is not executed within the appointed time, hiding the virtual key.
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