阅读说明：本技术 一种全局扫描的扫描笔及方法 (Scanning pen and method for global scanning ) 是由 李书兵 林磊青 叶发明 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种全局扫描的扫描笔及方法,扫描笔包括有全局摄像头模组,全局扫描摄像头模组包括容腔和摄像头模块,容腔固定在外壳的顶部,摄像头模块设于容腔内,容腔的正面设有供摄像头模块伸出或缩入容腔的开口；摄像头模块连接有滑块,滑块伸出容腔外,并且容腔上与滑块对应的位置设有和滑块相匹配的通槽,推动滑块沿通槽滑动可带动摄像头模块从开口伸出或缩入容腔内部；摄像头模块电性连接于主控；当摄像头模块从开口伸出时,其拍摄范围可覆盖外壳底部的前方区域。本发明仅在现有的扫描笔基础上,增加一个结构简单的全局扫描摄像模组,将摄像头从容腔中拉出即可实现扫描笔的全局扫描功能,成本低、容易实现,能有效提升用户体验。(The invention discloses a scanning pen and a method for global scanning, wherein the scanning pen comprises a global camera module, the global camera module comprises a cavity and a camera module, the cavity is fixed at the top of a shell, the camera module is arranged in the cavity, and an opening for the camera module to extend out of or retract into the cavity is arranged on the front surface of the cavity; the camera module is connected with a sliding block, the sliding block extends out of the accommodating cavity, a through groove matched with the sliding block is formed in the position, corresponding to the sliding block, of the accommodating cavity, and the sliding block is pushed to slide along the through groove to drive the camera module to extend out of the opening or retract into the accommodating cavity; the camera module is electrically connected with the master control; when the camera module extends out of the opening, the shooting range of the camera module can cover the front area of the bottom of the shell. According to the invention, only on the basis of the existing scanning pen, the global scanning camera module with a simple structure is added, and the camera is pulled out from the cavity, so that the global scanning function of the scanning pen can be realized, the cost is low, the realization is easy, and the user experience can be effectively improved.)

1. A scanning pen for global scanning comprises a scanning pen body, wherein the scanning pen body comprises a shell, a display screen, an input device, a master control and a touch scanning pen point, the display screen is arranged on the front surface of the shell, the touch scanning pen point is arranged at the bottom of the shell, and the display screen, the input device and the touch scanning pen point are respectively and electrically connected with the master control; the scanning pen is characterized by further comprising a global camera module, wherein the global camera module comprises a containing cavity and a camera module, the containing cavity is fixed at the top of the shell, the camera module is arranged in the containing cavity, and an opening for the camera module to extend out of or retract into the containing cavity is formed in the front of the containing cavity; the camera module is connected with a sliding block, the sliding block extends out of the accommodating cavity, a through groove matched with the sliding block is formed in the position, corresponding to the sliding block, of the accommodating cavity, and the sliding block is pushed to slide along the through groove to drive the camera module to extend out of the opening or retract into the accommodating cavity; the camera module is electrically connected to the main control; when the camera module extends out of the opening, the shooting range of the camera module can cover the front area of the bottom of the shell.

2. The scanning pen of claim 1, wherein two side walls of the cavity are respectively provided with a sliding groove, two sides of the camera module are respectively provided with a protrusion, and the protrusions of the two sides are respectively embedded into the sliding grooves of the two side walls and can slide along the sliding grooves.

3. The scanning pen for global scanning according to claim 1, wherein the slider extends out of the cavity from the top of the cavity, and the through slot is arranged at the top of the cavity; the through groove extends along the longitudinal length direction of the cavity, and the length of the through groove is shorter than the longitudinal length of the cavity; when the sliding block slides to one end, close to the front face of the containing cavity, of the through groove, the camera module extends out of the containing cavity, the shooting range can cover the front area of the bottom of the shell, and when the sliding block slides to one end, close to the back face of the containing cavity, of the through groove, the camera module is completely collected into the containing cavity.

4. The scanning pen of claim 1, wherein the camera module has a permanent magnet inside, and the housing has a hall circuit inside, and the hall circuit is electrically connected to the main control, and the hall circuit is used to sense the magnetic field of the permanent magnet and output a corresponding electrical signal to the main control, and the main control determines whether the camera module is currently in an extended or retracted state according to the electrical signal output by the hall circuit.

5. A method for using the wand of any one of claims 1 to 4, comprising the steps of:

when global scanning is needed, a user triggers a global scanning event by using the input device and manually slides the camera module out of the accommodating cavity from the accommodating cavity by using the sliding block; the method comprises the steps that after a main control receives a signal of an input device, a camera module is driven to start shooting, an image shot by the camera module is displayed on a display screen in real time, a user adjusts the extension degree and the shooting angle of the camera module according to the image on the display screen, when the current shooting range of the camera module is determined to be a target scanning area, the input device is used for confirming, and the main control carries out OCR recognition on the image shot by the camera module and displays the recognition result on the display screen;

under the condition that a global scanning event is not triggered, the camera module is retracted into the containing cavity by using the sliding block, and the master control controls the camera module to stop shooting; at the moment, a user can utilize the touch scanning pen point to touch and press on the target scanning area and perform sliding scanning, and the master control performs OCR recognition on the image acquired by the touch scanning pen point and displays the recognition result on the display screen.

6. The method of claim 5, wherein when the camera module is provided with a permanent magnet inside and the housing is provided with a Hall circuit inside, when the camera module is pulled out from the chamber, the position of the permanent magnet changes, the magnetic field induced by the Hall circuit changes and outputs a corresponding electrical signal to the master control, the master control starts timing, and when the camera module is pulled out beyond a preset time threshold but is not used, the master control reminds the user to reset the camera module.

7. The method as claimed in claim 6, wherein when the master control detects that the shutdown event occurs to the scan pen body, it first detects whether the current camera module is reset according to the signal of the hall circuit, and if not, it reminds the user to reset the camera module first.

Technical Field

The invention relates to the technical field of scanning pens, in particular to a scanning pen and a method for global scanning.

Background

At present, the scanning pen capable of supporting intelligent recognition and translation is deeply loved by parents and children, when the scanning pen encounters an incomprehensible word, paraphrases can be known only by scanning one touch pen point, learning and communication are very facilitated, but the scanning pen on the market at present can only rely on one end of a touch pen point to press and trigger recognition, the pen point needs to be dragged for scanning every time of recognition, a scanning area is scanned along with the dragged position, and the scanning pen is not beneficial to global scanning (for example, a whole page of books are recognized).

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a scanning pen and a method for global scanning.

In order to achieve the purpose, the invention adopts the following technical scheme:

a scanning pen for global scanning comprises a scanning pen body, wherein the scanning pen body comprises a shell, a display screen, an input device, a master control and a touch scanning pen point, the display screen is arranged on the front surface of the shell, the touch scanning pen point is arranged at the bottom of the shell, and the display screen, the input device and the touch scanning pen point are respectively and electrically connected with the master control; the scanning pen further comprises a global camera module, the global camera module comprises a containing cavity and a camera module, the containing cavity is fixed at the top of the shell, the camera module is arranged in the containing cavity, and an opening for the camera module to extend out of or retract into the containing cavity is formed in the front face of the containing cavity; the camera module is connected with a sliding block, the sliding block extends out of the accommodating cavity, a through groove matched with the sliding block is formed in the position, corresponding to the sliding block, of the accommodating cavity, and the sliding block is pushed to slide along the through groove to drive the camera module to extend out of the opening or retract into the accommodating cavity; the camera module is electrically connected to the main control; when the camera module extends out of the opening, the shooting range of the camera module can cover the front area of the bottom of the shell.

Furthermore, the two side walls inside the cavity are respectively provided with a sliding groove, the two sides of the camera module are respectively provided with a protrusion, and the protrusions on the two sides are respectively embedded into the sliding grooves on the two side walls and can slide along the sliding grooves.

Furthermore, the sliding block extends out of the cavity from the top of the cavity, and the through groove is formed in the top of the cavity; the through groove extends along the longitudinal length direction of the cavity, and the length of the through groove is shorter than the longitudinal length of the cavity; when the sliding block slides to one end, close to the front face of the containing cavity, of the through groove, the camera module extends out of the containing cavity, the shooting range can cover the front area of the bottom of the shell, and when the sliding block slides to one end, close to the back face of the containing cavity, of the through groove, the camera module is completely collected into the containing cavity.

Furthermore, a permanent magnet is arranged in the camera module, a Hall circuit is arranged in the shell and electrically connected with the master control, the Hall circuit is used for sensing the magnetic field of the permanent magnet and outputting a corresponding electric signal to the master control, and the master control judges whether the camera module is in a stretching or retracting state currently according to the electric signal output by the Hall circuit.

The invention also provides a method for utilizing the scanning pen, which comprises the following specific processes:

when global scanning is needed, a user triggers a global scanning event by using the input device and manually slides the camera module out of the accommodating cavity from the accommodating cavity by using the sliding block; the method comprises the steps that after a main control receives a signal of an input device, a camera module is driven to start shooting, an image shot by the camera module is displayed on a display screen in real time, a user adjusts the extension degree and the shooting angle of the camera module according to the image on the display screen, when the current shooting range of the camera module is determined to be a target scanning area, the input device is used for confirming, and the main control carries out OCR recognition on the image shot by the camera module and displays the recognition result on the display screen;

under the condition that a global scanning event is not triggered, the camera module is retracted into the containing cavity by using the sliding block, and the master control controls the camera module to stop shooting; at the moment, a user can utilize the touch scanning pen point to touch and press on the target scanning area and perform sliding scanning, and the master control performs OCR recognition on the image acquired by the touch scanning pen point and displays the recognition result on the display screen.

Further, when a permanent magnet is arranged in the camera module and a Hall circuit is arranged in the shell, when the camera module is pulled out from the interior of the slave cavity, the position of the permanent magnet changes, a magnetic field induced by the Hall circuit also changes and outputs a corresponding electric signal to the master control, the master control starts timing, and when the camera module is pulled out and exceeds a preset duration threshold value but is not used, the master control reminds a user to reset the camera module.

Furthermore, when the master control detects that the shutdown event of the scanning pen body occurs, whether the current camera module is reset or not is detected according to signals of the Hall circuit, and if the current camera module is not reset, a user is reminded to reset the camera module first.

The invention has the beneficial effects that: according to the invention, only on the basis of the existing scanning pen, the global scanning camera module with a simple structure is added, and the camera is pulled out from the cavity, so that the global scanning function of the scanning pen can be realized, the cost is low, the realization is easy, and the user experience can be effectively improved.

Drawings

FIG. 1 is a front view of a scanning pen according to embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram (a camera retraction state) of the global scanning camera module in embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram (a camera extended state) of the global scanning camera module in embodiment 1 of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.

Example 1

The embodiment provides a scanning pen for global scanning, as shown in fig. 1-3, which includes a scanning pen body, where the scanning pen body includes a casing 1, a display screen 2, an input device, a main control unit, and a touch scanning pen head 3, where the display screen 2 is disposed on the front surface of the casing 1, the touch scanning pen head 3 is disposed at the bottom of the casing 1, and the display screen 2, the input device, and the touch scanning pen head 3 are respectively electrically connected to the main control unit; the scanning pen further comprises a global camera module, the global camera module comprises a cavity 4 and a camera module 5, the cavity 4 is fixed at the top of the shell 1, the camera module 5 is arranged in the cavity 4, and an opening 6 for the camera module 5 to extend out of or retract into the cavity 4 is formed in the front of the cavity 4; the camera module 5 is connected with a sliding block 7, the sliding block 7 extends out of the accommodating cavity 4, a through groove 8 matched with the sliding block 7 is formed in the accommodating cavity 4 at a position corresponding to the sliding block 7, and the sliding block 7 is pushed to slide along the through groove 8 to drive the camera module 5 to extend out of the opening 6 or retract into the accommodating cavity 4; the camera module 5 is electrically connected to the main control; when the camera module is extended from the opening 6, the shooting range can cover the front area of the bottom of the shell 1.

Further, in this embodiment, two side walls inside the cavity 4 are respectively provided with a sliding groove 9, two sides of the camera module 5 are respectively provided with a protrusion (not shown), and the protrusions at two sides are respectively embedded into the sliding grooves 9 on the two side walls and can slide along the sliding grooves 9.

Furthermore, in the present embodiment, the sliding block 7 extends out of the cavity 4 from the top of the cavity 4, and the through slot 8 is disposed at the top of the cavity 4; the through groove 8 extends along the longitudinal length direction of the cavity 4, and the length of the through groove 8 is shorter than the longitudinal length of the cavity 4; when the sliding block 7 slides to one end, close to the front face of the accommodating cavity 4, of the through groove 8, the camera module 5 extends out of the accommodating cavity 4 and the shooting range can cover the front area of the bottom of the shell 1, and when the sliding block 7 slides to one end, close to the back face of the accommodating cavity 4, of the through groove 8, the camera module 5 is completely retracted into the accommodating cavity 4.

It should be noted that in the camera module 5, the camera 51 is located on the bottom surface, and the shooting direction is downward, so that the camera is the area facing the front of the bottom of the housing after extending out of the cavity.

It should be noted that when the slider 7 slides to one end of the through slot 8 close to the front surface of the cavity 4, the camera module 5 extends out of the cavity 4 and is partially located in the cavity 4. I.e. the camera module does not leave the cavity completely when it is extended to the maximum extent.

Further, a permanent magnet (not shown) is arranged in the camera module 5, a hall circuit (not shown) is arranged in the shell 1, the hall circuit is electrically connected with the main control, the hall circuit is used for sensing the magnetic field of the permanent magnet and outputting a corresponding electric signal to the main control, and the main control judges whether the camera module 5 is in a stretching state or a retracting state at present according to the electric signal output by the hall circuit.

It should be noted that the display screen and the input device may be integrated into a touch screen to realize the integrated functions of display and input, or may be separately provided with input devices such as keys, or may be provided with voice instruction input devices such as a voice acquisition module.

Example 2

The present embodiment provides a method for using the stylus pen described in embodiment 1, which includes the following specific steps:

when global scanning is needed, a user triggers a global scanning event by using the input device and manually slides the camera module out of the accommodating cavity from the accommodating cavity by using the sliding block; the method comprises the steps that after a main control receives a signal of an input device, a camera module is driven to start shooting, an image shot by the camera module is displayed on a display screen in real time, a user adjusts the extension degree and the shooting angle of the camera module according to the image on the display screen, when the current shooting range of the camera module is determined to be a target scanning area, the input device is used for confirming, and the main control carries out OCR recognition on the image shot by the camera module and displays the recognition result on the display screen;

under the condition that a global scanning event is not triggered, the camera module is retracted into the containing cavity by using the sliding block, and the master control controls the camera module to stop shooting; at the moment, the user can utilize the touch scanning pen head to touch and press and slide and scan on the target scanning area, and the master control performs OCR recognition on the image acquired by the touch scanning pen head and displays the recognition result on the display screen (namely, the conventional scanning mode is adopted for scanning).

Further, when a permanent magnet is arranged in the camera module and a hall circuit is arranged in the shell, when the camera module is pulled out from the interior of the chamber, the position of the permanent magnet changes, a magnetic field induced by the hall circuit also changes and outputs a corresponding electric signal to the master control, the master control starts timing, and when the camera module is pulled out and exceeds a preset duration threshold value but is not used, the master control reminds a user to reset the camera module (voice reminding, text reminding and the like).

Furthermore, when the master control detects that the shutdown event caused by low power, abnormity, active triggering of a user and the like occurs to the scanning pen body, whether the current camera module is reset is detected according to the signal of the Hall circuit, if the current camera module is not reset, the user is reminded, and the user is reminded to reset the camera module first (the low power and the abnormal shutdown cannot be prevented, so that the prompt can be performed only before the shutdown).

Various corresponding changes and modifications can be made by those skilled in the art based on the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.