WO2022068134A1 - Scanning pen - Google Patents

Abstract

Embodiments of the utility model provide a scanning pen. The scanning pen comprises a shell, a color-changing light-transmitting member, a camera module, a control circuit, and a light-emitting device. The color-changing light-transmitting member, the camera module, the control circuit and the light-emitting device are all arranged in the shell. The camera module faces the color-changing light-transmitting member, and the camera module is electrically connected to the control circuit. The light-emitting device is provided in the circumferential direction of the camera module, and the light-emitting device is electrically connected to the control circuit. Under the condition that the color of the color-changing light-transmitting member is a first color, the camera module collects a first image, such that the control circuit realizes a first function. Under the condition that the color of the color-changing light-transmitting member is a second color, the camera module collects a second image, such that the control circuit realizes a second function. According to the embodiments of the utility model, by providing the color-changing light-transmitting member, the control circuit can realize different functions under the condition that the color of the color-changing light-transmitting member is changed, such that the functions of the scanning pen are diversified.

Description

scanning pen

This application claims the priority of the Chinese patent application with the application number 202022194177.3 and the invention name "scanning pen" filed with the China Patent Office on September 29, 2020, the entire contents of which are incorporated into this application by reference.

technical field

The present application relates to the technical field of electronic devices, and in particular, to a scanning pen.

Background technique

In daily life, we usually encounter unrecognized characters. At this time, we need to scan and translate the characters with a reading pen or a dictionary pen, so that people can read quickly or learn with a scanning pen. For example, when you need to know the pronunciation of unrecognized characters, use a reading pen, and when you need to know the specific meaning of an unknown character, use a dictionary pen. However, the reading pen and the scanning pen have a single function and a single applicable scenario. Therefore, a device with more functions is urgently needed, so that in different scenarios, it can meet the different needs of users.

Application content

The embodiment of the present application provides a scanning pen, which can solve the problem that the functions of the pointing pen and the scanning pen are relatively single in the related art.

In order to solve the above technical problems, this application is implemented as follows:

An embodiment of the present application provides a scanning pen, which includes: a casing, a color-changing light-transmitting member, a camera module, a control circuit, and a light-emitting device;

The color-changing light-transmitting member, the camera module, the control circuit and the light-emitting device are all arranged in the casing, the camera module faces the color-changing light-transmitting member, and the camera module electrically connected to the control circuit, the light-emitting device is arranged along the circumferential direction of the camera module, and the light-emitting device is electrically connected to the control circuit;

When the color of the color-changing light-transmitting member is the first color, the camera module collects the first image, so that the control circuit realizes the first function;

When the color of the color-changing light-transmitting member is the second color, the camera module collects a second image, so that the control circuit realizes the second function.

Optionally, the color-changing light-transmitting member is electrochromic glass.

Optionally, the scanning pen includes a battery module, the battery module is electrically connected with the control circuit, the control circuit is electrically connected with the electrochromic glass, and the control circuit controls the electrochromic glass in the switching between the first color and the second color.

Optionally, a control button is provided on the casing, the control button is electrically connected to the control circuit, the control button is used to send an instruction to the control circuit, and the control circuit controls the system according to the instruction. The electrochromic glass switches between the first color and the second color.

Optionally, the scanning pen further includes a speaker module, and the speaker module is electrically connected to the control circuit.

Optionally, the scanning pen further comprises an alarming part, the scanning pen further comprises an alarming part, the alarming part is arranged on the casing, and the alarming part is electrically connected with the control circuit;

When the power of the battery module is less than or equal to a preset power threshold, the control circuit controls the alarm to issue an alarm message.

Optionally, the color-changing light-transmitting member is photochromic glass.

Optionally, the scanning pen further includes a pen head, the pen head is connected to the casing, and the pen head and the color-changing light-transmitting member are located at the same end of the casing.

Optionally, the light emitting device is a light emitting diode.

Optionally, a display screen is provided on the casing, and the display screen is electrically connected to the control circuit.

In the embodiment of the present application, since the color-changing light-transmitting member, the camera module, the control circuit circuit and the light-emitting device are all arranged in the casing, the camera module faces the color-changing light-transmitting member, and when the color of the color-changing light-transmitting member changes , the camera module can capture different images. Since the light-emitting device is arranged along the circumferential direction of the camera module, when the camera module collects an image, the light-emitting device can emit light, which plays a role in supplementing the light for the camera module. When the color of the color-changing light-transmitting part is the first color, the camera module collects the first image, and the control circuit can realize the first function; when the color of the color-changing light-transmitting part is the second color, the camera module When the second image is collected, the control circuit can realize the second function, so that when the color of the color-changing light-transmitting member changes, the camera module can collect different images, and the control circuit can realize different functions. That is, in the embodiment of the present application, by setting the color-changing light-transmitting member, when the color of the color-changing light-transmitting member changes, the control circuit can realize different functions, so that the functions of the scanning pen are diversified, thereby making the scanning pen Has more functions.

Description of drawings

FIG. 1 shows a schematic diagram of a scanning pen provided by an embodiment of the present application.

Reference number:

10: shell; 20: color-changing light-transmitting part; 30: camera module; 40: control circuit; 50: light-emitting device; 60: battery module; 70: pen tip.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

It is to be understood that reference throughout the specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic associated with the embodiment is included in at least one embodiment of the present application. Thus, appearances of "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily necessarily referring to the same embodiment. Furthermore, the particular features, structures or characteristics may be combined in any suitable manner in one or more embodiments.

Before explaining the scanning pen provided by the embodiments of the present application, the application scenarios of scanning provided by the embodiments of the present application will be specifically described: and an infrared filter set in the housing. The light other than the infrared light is filtered out by the infrared filter, so that the control circuit realizes the point-reading function, that is, the point-reading pen realizes the point-reading function. The dictionary pen includes a housing, a control circuit and a transparent filter, and the control circuit and the transparent filter are arranged in the housing. The light can pass through the transparent filter, so that the control circuit realizes the dictionary function, that is, the dictionary pen realizes the dictionary function.

When the user is using the reading pen, he clicks on the unfamiliar word through the reading pen, so that the reading pen can pronounce the unfamiliar word. When the user is using the dictionary pen, the dictionary pen scans unfamiliar words, so that the dictionary pen can translate the unfamiliar words. When the reading pen can only realize the reading function, and the dictionary pen can only realize the dictionary function, that is, the function of the reading pen is relatively simple, and the function of the dictionary pen is relatively simple. Therefore, a device with diversified functions is urgently needed to meet the needs of users need.

Referring to FIG. 1 , a schematic diagram of a scanning pen provided by an embodiment of the present application is shown. As shown in FIG. 1 , the scanning pen includes: a casing 10 , a color-changing light-transmitting member 20 , a camera module 30 , a control circuit 40 and a light-emitting device 50 .

The color-changing light-transmitting member 20 , the camera module 30 , the control circuit 40 and the light-emitting device 50 are all disposed in the housing 10 , the camera module 30 faces the color-changing light-transmitting member 20 , and the camera module 30 is electrically connected with the control circuit 40 to emit light. The device 50 is disposed along the circumferential direction of the camera module 30 , and the light-emitting device 50 is electrically connected to the control circuit 40 .

When the color of the color-changing light-transmitting member 20 is the first color, the camera module 30 collects the first image, so that the control circuit 40 can realize the first function; when the color of the color-changing light-transmitting member 20 is the second color , the camera module 30 collects the second image, so that the control circuit 40 realizes the second function.

In the embodiment of the present application, since the color-changing light-transmitting member 20 , the camera module 30 , the control circuit 40 circuit and the light-emitting device 50 are all disposed in the housing 10 , the camera module 30 faces the color-changing light-transmitting member 20 , and when the color-changing light-transmitting member 20 occurs When the color of the component 20 changes, the camera module 30 can capture different images. Since the light emitting device 50 is disposed along the circumferential direction of the camera module 30 , when the camera module 30 captures an image, the light emitting device 50 can emit light to fill light for the camera module 30 . Since the camera module 30 collects the first image when the color of the color-changing light-transmitting member 20 is the first color, the control circuit 40 can realize the first function, and when the color of the color-changing light-transmitting member 20 is the second color , the camera module 30 collects the second image, and the control circuit 40 can realize the second function, so that when the color of the color-changing light-transmitting member 20 changes, the camera module 30 can collect different images, and the control circuit 40 can realize different functions. That is, in the embodiment of the present application, by setting the color-changing light-transmitting member 20, when the color of the color-changing light-transmitting member 20 changes, the control circuit 40 can realize different functions, so that the functions of the scanning pen are diversified, and further The scanning pen has more functions.

It should be noted that, in the embodiment of the present application, the first color is a color that can pass infrared light but filter out visible light. For example, the first color can be black, and the first color can also be dark red. In this case, the color changes The light-transmitting member 20 corresponds to an infrared filter. The second color is a color capable of passing visible light. For example, the second color may be white or transparent. In this case, the color of the color-changing light-transmitting member 20 may allow visible light to pass through the color-changing light-transmitting member 20 .

In addition, in the embodiment of the present application, the camera module 30 includes a lens, and the camera module 30 facing the color-changing light-transmitting member 20 means that the lens is facing the color-changing light-transmitting member 20 .

In addition, in the embodiment of the present application, the first image and the second image may be the same, and both may be the same character to be scanned, and the first image and the second image may also be different, which are not limited in this embodiment of the present application.

In addition, in this embodiment of the present application, the first function may be a point reading function, and the second function may be a dictionary function. When the first function is the point reading function, at this time, the scanning pen can realize the point reading function, and the scanning pen is equivalent to the point reading pen. When the second function is a dictionary function, at this time, the translation can realize the function of looking up a dictionary, and the scanning pen is equivalent to a dictionary pen. That is, when the color of the color-changing light-transmitting member 20 changes, the scanning pen can not only realize the function of the point reading pen, but also the function of the dictionary pen, so that the function of the scanning pen is more, and the function of the point reading pen and the dictionary pen can be realized. Functional integration.

In addition, in the embodiment of the present application, the connection method for the electrical connection between the camera module 30 and the control circuit 40 may be as follows: the camera module 30 is electrically connected with the control circuit 40 through a flexible printed circuit board (FPC), so that The camera module 30 is electrically connected to the control circuit 40 . Of course, there may be other ways for the electrical connection between the camera module 30 and the control circuit 40. For example, the camera module 30 and the control circuit 40 are electrically connected through wires, and the connection between the camera module 30 and the control circuit 40 is electrically connected. manner, which is not limited in this embodiment of the present application.

In addition, in the embodiment of the present application, the light-emitting device 50 may be a light-emitting diode (Light-Emitting Diode, LED). Of course, the light-emitting device 50 may also be other devices, such as a laser transmitter, a light-emitting triode, etc. For the light-emitting device 50 type, which is not limited in this embodiment of the present application. Wherein, when the light emitting device 50 is a light emitting diode, the light emitting diode may emit white light, and may also emit red light, and the color of the light emitted by the light emitting diode is not limited in this embodiment of the present application.

In addition, in the embodiment of the present application, the light emitting device 50 and the control circuit 40 may be connected in a manner of: electrically connecting the light emitting device 50 and the control circuit 40 through a flexible circuit board. Of course, the light emitting device 50 and the control circuit 40 may also be electrically connected through wires, which are not limited in this embodiment of the present application.

In addition, in this embodiment of the present application, the number of light-emitting devices 50 may be determined according to actual needs. For example, the number of light-emitting devices may be 2 or 4. For the number of light-emitting devices 50, the embodiment of the present application is here Not limited.

In addition, in the embodiment of the present application, when the type of the color-changing light-transmitting member 20 is different, the structure of the scanning pen may be different, and the following examples are used for illustration:

(1) The color-changing light-transmitting member 20 is electrochromic glass.

When the color-changing light-transmitting member 20 is electrochromic glass, electricity can be applied to the electrochromic glass, so that the electrochromic glass changes color, so that the control circuit 40 can realize different functions. In addition, when the color-changing light-transmitting member 20 is electrochromic glass, the color change of the electrochromic glass can be precisely controlled by adjusting the current input to the electrochromic glass, so that the color change of the color-changing light-transmitting member 20 can be easily controlled.

In addition, in the embodiment of the present application, when the color-changing light-transmitting member 20 is electrochromic glass, the scanning pen may include a battery module 60, the battery module 60 is electrically connected to the control circuit 40, and the control circuit 40 is electrically connected to the electrochromic glass. , the control circuit 40 controls the electrochromic glass to switch between the first color and the second color.

Since the battery module 60 is electrically connected to the control circuit 40, and the control circuit 40 is electrically connected to the electrochromic glass, the control circuit 40 can control the current flowing from the battery module 60 to the electrochromic glass, so that the current in the electrochromic glass changes. , so that the color of the electrochromic glass changes, and then the color of the electrochromic glass can be switched between the first color and the second color by controlling the current flowing to the electrochromic glass, so that the control circuit 40 can realize the first color. a function or a second function. That is, by disposing the battery module 60 and the battery module 60 is electrically connected to the control circuit 40, the control circuit 40 can facilitate the control of the current flowing to the electrochromic glass, thereby facilitating the control of the color change of the electrochromic glass.

In addition, in some embodiments, the casing 10 is provided with a control button, the control button is electrically connected to the control circuit 40, the control button is used to send an instruction to the control circuit 40, and the control circuit 40 controls the electrochromic glass to be in the first Toggle between color and second color.

When the casing 10 is provided with a control button, and the control button is electrically connected to the control circuit 40, the control button can send an instruction to the control circuit 40. After the control circuit 40 receives the instruction, the control circuit 40 can control the battery module 60 to send the instruction to the control circuit 40. The electric current delivered by the electrochromic wave color makes the color of the electrochromic glass change from the first color to the second color, or from the second color to the first color, so that the electrochromic glass can be between the first color and the second color. Switch between two colors. When the electrochromic glass is switched between the first color and the second color, the control circuit 40 is enabled to switch between the first function and the second function. That is, by arranging the control buttons, it is convenient to control the electrochromic glass to change the color through the control circuit 40, so that the control circuit 40 can be easily switched between different functions.

It should be noted that the control button can be slidably connected to the housing 10. When the control button slides to the first position on the housing 10, the control circuit 40 controls the current flowing from the battery module 60 to the electrochromic glass, so that the electrochromic glass The color of is the first color, at this time, the control circuit 40 can realize the first function. When the control button slides on the housing 10 to the second position, the control circuit 40 controls the current flowing from the battery module 60 to the electrochromic glass, so that the color of the electrochromic glass is the second color. At this time, the control circuit 40 can realize second function. If the first function is a point reading function and the second function is a dictionary function, the control circuit 40 can realize the point reading or dictionary function by sliding the control button.

Of course, the control buttons can also be set in other ways on the housing 10, and there can also be other ways to send instructions to the control circuit 40 through the control buttons. For example, by clicking the control button, the color of the electrochromic glass can be the first One color, the control circuit 40 realizes the first function, double-clicking the control button can make the color of the electrochromic glass to be the second color, and the control circuit 40 realizes the second function, for the setting method of setting the control button on the housing 10, and The manner in which the command is sent to the control circuit 40 through the control button is not limited in this embodiment of the present application.

In addition, in some embodiments, the scanning pen may further include a speaker module, and the speaker module is electrically connected to the control circuit 40 .

Since the speaker module is electrically connected to the control circuit 40, the control circuit 40 can control the speaker module to emit sound, so that when the user uses the scanning pen provided by the embodiment of the present application, the user can know the to-be-scanned object through the sound of the speaker module. character. That is, by setting the speaker module, it is convenient for the user to use the scanning pen provided by the embodiment of the present application.

For example, when the control circuit 40 controls the current flowing from the battery module to the electrochromic glass through the control button, so that the control circuit 40 realizes the first function, if the first function is the point reading function, at this time, when the user uses the scanning pen During the process, the control circuit 40 can control the speaker module to emit sound, so that the sound emitted by the speaker module is the pronunciation corresponding to the character to be scanned. For another example, if the character to be scanned is the English word "cat", the control circuit 40 can control the speaker module to pronounce the English word "cat" when the user uses the scanning pen.

In addition, in some embodiments, the scanning pen may further include an alarm part, the alarm part is disposed on the casing 10 and the alarm part is electrically connected with the control circuit 40 . When the power of the battery module 60 is less than or equal to the preset power threshold, the control circuit 40 controls the alarm device to issue an alarm message.

The battery module 60 is electrically connected to the control circuit 40 , so the control circuit 40 can monitor the power of the battery module 60 . Since the alarm element is disposed on the housing 10 and is electrically connected to the control circuit 40, when the control circuit 40 detects that the power of the battery module 60 is less than or equal to the preset power threshold, the control circuit 40 can control the alarm element to emit Alarm information to remind the user that the power of the battery module 60 may be insufficient. That is, by arranging an alarm on the casing 10, the user can be reminded.

It should be noted that the preset power threshold can be set according to actual needs. For example, the preset power threshold can be 10% or 20%. The specific value of the preset power threshold is not limited in this embodiment of the present application. .

In addition, in the embodiment of the present application, the alarm component may be a light-emitting diode. When the alarm component is a light-emitting diode, when the control circuit 40 detects that the power of the battery module 60 is less than or equal to the preset power threshold, the control circuit 40 can control the alarm The device emits light of a preset color to prompt the user. The preset color may be red or green, and the preset color is not limited in this embodiment of the present application.

Of course, the alarm component may also be other components, such as a buzzer, and the type of the alarm component is not limited in this embodiment of the present application.

(2) The color-changing light-transmitting member 20 is a photochromic glass.

When the color-changing light-transmitting member 20 is photochromic glass, the photochromic glass can change color according to the light irradiated on the photochromic glass, so that the control circuit 40 can realize different functions.

In the above-mentioned method (1), that is, the color-changing light-transmitting member 20 is an electrochromic glass, the control circuit 40 can precisely control the color of the color-changing light-transmitting member 20 . In the above-mentioned method (2), that is, the color-changing light-transmitting member 20 is photochromic glass, which does not need to be controlled by the control circuit 40, which can save the power of the scanning pen.

In addition, in some embodiments, the scanning pen may further include a pen tip 70 connected to the housing 10 , and the pen tip 70 and the color-changing light-transmitting member 20 are located at the same end of the housing 10 .

When the scanning pen includes a pen tip 70, and the pen tip 70 and the color-changing light-transmitting member 20 are located at the same end of the housing 10, in the process of using the scanning pen, the characters to be scanned can be determined by the pen tip 70, so that the camera module 30 can obtain the characters to be scanned. The image of the character to be scanned, thereby enabling the control circuit 40 to translate the character to be scanned. That is, by setting the pen tip 70, it can be convenient to determine the characters to be scanned.

For example, in the process of using the scanning pen, if the pen tip 70 is in contact with the characters to be scanned, at this time, the camera module 30 can obtain the image of the characters to be scanned, and then sends the image of the characters to be scanned to the control circuit 40 to control the Circuit 40 can then translate the characters to be scanned.

In addition, in some embodiments, the casing 10 may be provided with a display screen, and the display screen is electrically connected to the control circuit 40 .

Since the casing 10 is provided with a display screen, and the display screen is electrically connected to the control circuit 40, the control circuit 40 can send the information to be displayed to the display screen, so that the display screen displays the information to be displayed, so that the user can see the information through the display screen The information to be displayed is convenient for the user to use the scanning pen. That is, by setting the display screen, it is convenient for the user to use the scanning pen, so that the scanning pen has more functions.

It should be noted that when the control circuit 40 implements the second function and the second function is a dictionary function, at this time, when the user uses the scanning pen, when the control circuit 40 obtains the characters to be scanned, the control circuit 40 can treat the characters to be scanned. Scan the characters to translate and display the result of the translation on the display.

For example, when the character to be scanned is "banana", the control circuit 40 obtains the character to be scanned "banana", and after translating the character to be scanned, the control circuit 40 displays the translation result "banana" on the display screen. For another example, when the characters to be scanned are ancient poems, the control circuit 40 can acquire the semantics of the ancient poems, and display the semantics of the ancient poems on the display screen.

In addition, in the embodiment of the present application, when the scanning pen includes the battery module 60, at this time, the power level of the battery module 60 may also be displayed on the display screen. Of course, other information may also be displayed on the display screen, which is not limited in this embodiment of the present application.

In the embodiment of the present application, since the color-changing light-transmitting member 20 , the camera module 30 , the control circuit 40 circuit and the light-emitting device 50 are all disposed in the housing 10 , the camera module 30 faces the color-changing light-transmitting member 20 , and when the color-changing light-transmitting member 20 occurs When the color of the component 20 changes, the camera module 30 can capture different images. Since the light emitting device 50 is disposed along the circumferential direction of the camera module 30 , when the camera module 30 captures an image, the light emitting device 50 can emit light to fill light for the camera module 30 . Since the camera module 30 collects the first image when the color of the color-changing light-transmitting member 20 is the first color, the control circuit 40 can realize the first function, and when the color of the color-changing light-transmitting member 20 is the second color , the camera module 30 collects the second image, and the control circuit 40 can realize the second function, so that when the color of the color-changing light-transmitting member 20 changes, the camera module 30 can collect different images, and the control circuit 40 can realize different functions. That is, in the embodiment of the present application, by setting the color-changing light-transmitting member 20, when the color of the color-changing light-transmitting member 20 changes, the control circuit 40 can realize different functions, so that the functions of the scanning pen are diversified, and further The scanning pen has more functions.

It should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. For the same and similar parts among the various embodiments, refer to each other Can.

Although alternative embodiments of the embodiments of the present application have been described, those skilled in the art may make additional changes and modifications to these embodiments once the basic inventive concepts are known. Therefore, the appended claims are intended to be construed to include alternative embodiments and all changes and modifications that fall within the scope of the embodiments of the present application.

Finally, it should also be noted that in this document, relational terms such as first and second are used only to distinguish one entity from another, and do not necessarily require or imply any existence between these entities. This actual relationship or sequence. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that an article or terminal device comprising a list of elements includes not only those elements, but also other elements not expressly listed , or also include elements inherent to the article or terminal equipment. Without further limitation, an element defined by the phrase "comprises a..." does not preclude the presence of additional identical elements in the article or terminal device comprising the element.

The technical solutions provided by the present application have been introduced in detail above, and specific examples are used to illustrate the principles and implementations of the present application. There will be changes in the specific implementation manner and application scope. In conclusion, the contents of this description should not be construed as a limitation on the present application.

Claims (10)

A scanning pen, characterized in that the scanning pen comprises: a casing, a color-changing light-transmitting part, a camera module, a control circuit and a light-emitting device; The color-changing light-transmitting member, the camera module, the control circuit and the light-emitting device are all arranged in the casing, the camera module faces the color-changing light-transmitting member, and the camera module electrically connected to the control circuit, the light-emitting device is arranged along the circumferential direction of the camera module, and the light-emitting device is electrically connected to the control circuit; When the color of the color-changing light-transmitting member is the first color, the camera module collects the first image, so that the control circuit realizes the first function; When the color of the color-changing light-transmitting member is the second color, the camera module collects a second image, so that the control circuit realizes the second function. The scanning pen according to claim 1, wherein the color-changing light-transmitting member is electrochromic glass. The scanning pen according to claim 2, wherein the scanning pen comprises a battery module, the battery module is electrically connected to the control circuit, the control circuit is electrically connected to the electrochromic glass, the A control circuit controls the electrochromic glass to switch between the first color and the second color. The scanning pen according to claim 3, wherein a control button is provided on the casing, the control button is electrically connected to the control circuit, and the control button is used to send an instruction to the control circuit, The control circuit controls the electrochromic glass to switch between the first color and the second color according to the instruction. The scanning pen according to claim 4, wherein the scanning pen further comprises a speaker module, and the speaker module is electrically connected to the control circuit. The scanning pen according to claim 3, characterized in that, the scanning pen further comprises an alarm part, the alarm part is arranged on the casing, and the alarm part is electrically connected with the control circuit; When the power of the battery module is less than or equal to a preset power threshold, the control circuit controls the alarm to issue an alarm message. The scanning pen according to claim 1, wherein the color-changing light-transmitting member is photochromic glass. The scanning pen according to any one of claims 1-7, characterized in that, the scanning pen further comprises a pen head, the pen head is connected to the housing, and the pen head and the color-changing light-transmitting member are located at the the same end of the housing. The scanning pen according to any one of claims 1-7, wherein the light-emitting device is a light-emitting diode. The scanning pen according to any one of claims 1-7, wherein a display screen is provided on the casing, and the display screen is electrically connected to the control circuit.

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