CN209881955U - Intelligent pen with projection function - Google Patents
Intelligent pen with projection function Download PDFInfo
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- CN209881955U CN209881955U CN201920826338.0U CN201920826338U CN209881955U CN 209881955 U CN209881955 U CN 209881955U CN 201920826338 U CN201920826338 U CN 201920826338U CN 209881955 U CN209881955 U CN 209881955U
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Abstract
The utility model is suitable for an intelligence pen field provides an intelligence pen with projection function, including the intelligence pen body, the one end of intelligence pen body is the nib, be provided with the camera that is used for acquireing identifying information on the intelligence pen body, this internal built-in battery that is provided with of intelligence pen and the report module that is used for reporting identifying information, still be provided with on the intelligence pen body and be used for carrying out projection display's projection module with the identifying information that the camera acquireed, projection module includes projecting lens and light source module, projecting lens and camera all towards in the nib direction, projection module is still including being used for the linking module with this body coupling of intelligence pen. The utility model provides an intelligence pen with projection function can not only report identification information, still can show near the nib region with identification information through projected mode, and the user need not remove the content that the identification information can be seen to the sight, makes the user know identification information's content, convenient and fast from sense of hearing and vision.
Description
Technical Field
The utility model belongs to intelligence pen field especially relates to an intelligence pen with projection function.
Background
After the existing intelligent pen completes intelligent recognition, only the microphone is used for reading pronunciation, and detailed information recognized by the intelligent pen cannot be vividly displayed for a user.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of above-mentioned technical problem at least, provide an intelligent pen with projection function, it can not only report identification information, can also show identification information near the nib region of intelligent pen through the projected mode, and the user need not remove the sight can see identification information's content, makes the user can follow the sense of hearing and the content that the vision is known identification information, convenient and fast.
The technical scheme of the utility model is that: the utility model provides an intelligent pen with projection function, includes the intelligent pen body, the one end of intelligent pen body is the nib, be provided with the camera that is used for acquireing identifying information on the intelligent pen body, this internal built-in battery that is provided with of intelligent pen with be used for reporting identifying information's report module, still be provided with on the intelligent pen body be used for with identifying information that the camera acquireed carries out the projection module that projection shows, projection module includes projection lens and light source module, projection lens with the camera all towards in the nib direction, projection module still including be used for with the connecting module of this body coupling of intelligent pen.
Optionally, the projection module is detachably connected to the smart pen body.
Optionally, the projection module further includes a distance sensor for sensing a projection distance between the projection lens and the projection plane, and a focusing module for adjusting a focal length of the projection lens according to the projection distance.
Optionally, the connection module is a bluetooth module.
Optionally, the connection module is a WIFI module.
Optionally, the smart pen body is provided with a charging interface, the projection module is provided with a charging connector connected with the charging interface when the projection module is connected to the smart pen body, and the charging interface is connected to the internal battery.
Optionally, the smart pen body or the projection module is provided with a control switch for controlling the charging interface and the charging connector to be switched on and off.
The utility model provides an intelligence pen with projection function, it is connected with projection module to be provided with to dismantle on the intelligence pen body, when the user need look over the identification information of intelligence pen, can install projection module on the intelligence pen body, supply power to projection module through built-in battery, and make projection module and this body coupling of intelligence pen through connecting module, after the intelligence pen body gives projection module with identification information propelling movement, near the nib region of identification information projection display to the intelligence pen body by projection lens, need not the user and shift the content that the eye can watch identification information, make the user can follow the sense of hearing and know identification information's content in the vision simultaneously, when the user need not show identification information, can pull down projection module from the intelligence pen body, alleviate the weight of intelligence pen in the use.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an intelligent pen with a projection function according to an embodiment of the present invention;
FIG. 2 is a flowchart of a projection operation of the projection module in embodiment 1;
fig. 3 is a projection work flow chart of the projection module in embodiment 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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.
It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed, installed, connected, or indirectly disposed and connected through intervening components and intervening structures.
In addition, in the embodiments of the present invention, if there are orientations or positional relationships indicated by "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., based on the orientations or positional relationships shown in the drawings or the conventional placement state or use state, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated structure, feature, device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and various combinations of features/embodiments are not separately described in order to avoid unnecessary repetition in the present disclosure.
Example 1:
as shown in fig. 1, an intelligent pen with a projection function provided in an embodiment of the present invention includes an intelligent pen body 1, one end of the intelligent pen body 1 is a pen point 11, a camera 111 for acquiring identification information is disposed on the intelligent pen body 1, a built-in battery 12 and a broadcast module 13 for broadcasting the identification information are disposed in the intelligent pen body 1, a projection module 2 for projecting and displaying the identification information acquired by the camera 111 is further disposed on the intelligent pen body 1, the projection module 2 includes a projection lens 21 and a light source module 22, the projection lens 21 and the camera 111 both face the direction of the pen point 11, so that a picture projected by the projection lens 21 is displayed in a region near the pen point 11 (i.e., a sight range of a user), and the user can see contents on a projection picture without looking, the projection module 2 further comprises a connection module 25 connected with the intelligent pen body 1, and the connection module is in communication connection with the intelligent pen body 1 and used for transmitting the identification information to the projection module 2. After camera 111 accomplished the discernment, the user can be informed to the mode that identifying information can carry out voice broadcast through broadcasting module 13 (voice broadcast module 13), or, identifying information also can carry out the projection through projection module 2 and show the region near nib 11, in order to supply the user to watch, or identifying information can be by broadcasting module 13 and projection module 2 combined action, can carry out the projection again and show when carrying out voice broadcast, the user can follow the content of visual and auditory understanding identifying information, the convenience that the user obtained the information has been improved.
Specifically, the identification information may be text information or/and image information, a circuit board is disposed in the smart pen body 1, the camera 111 is connected to the circuit board through a conductive device, the connection module 25 is in protocol connection with the circuit board, the circuit board or the camera 111 is connected to an identification module for identifying the text information and the pattern information, and the circuit board is connected to a search module for searching the text information and the pattern information and obtaining a search result.
Optionally, the projection module 2 is detachably connected to the smart pen body 1, that is, when the user needs to use the projection module 2, the projection module 2 may be mounted on the smart pen body 1, and the identification information is projected and displayed to an area near the pen point 11 (i.e., a sight range of the user) through the projection module 2 for the user to watch; when the user need not use projection module 2's function, can dismantle projection module 2 from intelligent pen body 1, the effectual weight that alleviates the intelligent pen does benefit to the user and uses. Wherein, when projection module 2 installs on intelligent pen body 1, can not influence user's normal use of holding a pen. In practical application, the camera 111 is located at one end close to the pen point 11, the projection module 2 is disposed on the same side as the camera 111, the projection module 2 is located above the camera 111, and the camera 111 does not block a projection route of the projection lens 21.
Optionally, the projection module 2 further includes a distance sensor 23 sensing a projection distance between the projection lens 21 and the projection surface, and a focusing module 24 for adjusting a focal length of the projection lens 21 according to the projection distance to clearly display the projection picture, where the focusing module 24 may be according to the formula: the minimum projection distance is the minimum focal length (m) × the picture size (in)/the chip size (in) and the maximum projection distance is the maximum focal length (m) × the picture size (in)/the chip size (in) to calculate the optimum focal length of the projection lens 21, and the actual focal length of the projection lens 21 is adjusted according to the calculated optimum focal length, so that the projection picture can be clearly displayed in the area near the pen point 11, which is beneficial for the user to watch. The projection distance is measured by the distance sensor 23, and the picture size and the chip size are both known quantities.
Optionally, the connection module 25 may be a bluetooth module or a WIFI module, and a wireless connection mode is adopted, so that the overall structure of the smart pen can be simplified, the smart pen is convenient to disassemble and assemble, the smart pen is prevented from becoming too bulky, the appearance visual effect is poor, and the use experience of a user is influenced.
Optionally, the smart pen body 1 can be provided with the interface that charges, projection module 2 can be provided with the interface that charges who is connected with the interface that charges when projection module 2 is connected in smart pen body 1, the interface that charges is connected in built-in battery 12, when the interface that charges and charging structure dock promptly, built-in battery 12 of smart pen body 1 can be for projection module 2 power supply, avoid giving projection module 2 additional power supply, thereby increase projection module 2's weight, be unfavorable for projection module 2's miniaturization, specifically speaking, can also charge for smart pen body 1 through the interface that charges. As another embodiment, the projection module 2 may be provided with a charging interface, and the smart pen body 1 may be provided with a charging connector connected with the charging interface when the projection module 2 is connected to the smart pen body 1.
Specifically, the interface that charges can be elastic metal terminal, and the joint that charges is the metal contact that can dock with metal terminal, and when projection module 2 installed intelligent pen body 1, metal terminal can support in the metal contact, makes the circuit switch-on, and the built-in battery 12 of intelligent pen body 1 can be for projection module 2 power supply.
Optionally, the smart pen body 1 or the projection module 2 can be provided with a control switch 3 for controlling the charging interface and the charging connector to be switched on, and the switching on state of the charging interface and the charging connector is controlled through the control switch 3, so that the use safety of the projection module 2 can be improved.
As shown in fig. 2, when the projection module 2 is installed on the smart pen body 1, the steps of performing projection display on the identification information are as follows: projection module 2 passes through connecting module 25 and 1 communication connection of intelligent pen body to give projection module 2 with identification information transmission, the distance inductor acquires projection lens 21 to the projection distance between the plane of projection afterwards, and exports projection distance for focusing module 24, and focusing module 24 is according to the formula: the optimum focal length of the projection lens 21 is calculated for the minimum projection distance (m) x the screen size (in)/the chip size (in) and for the maximum projection distance (m) x the screen size (in)/the chip size (in), and the actual focal length of the projection lens 21 is adjusted so that the projection screen can be clearly displayed in the area near the pen tip 11.
Example 2:
the intelligent pen with the projection function provided by the embodiment comprises a projection module 2, wherein the projection module 2 further comprises a conversion module for converting identification information into a projection picture, namely the conversion module can calculate according to the content of the identification information, so that the content of the identification information is displayed in the picture within a certain size range, and the projection display of the content of the identification information can be clearly and completely realized, and the loss of the identification information is avoided.
As shown in fig. 3, the specific steps of the projection module 2 performing projection display on the identification information are as follows: projection module 2 passes through connecting module 25 and 1 communication connection of intelligent pen body, intelligent pen body 1 transmits the identifying information for the conversion module earlier, calculate the back and convert into the projection picture (confirm the projection picture according to the size of identifying information content) through the conversion module, the conversion module is in the picture of certain size range with the demonstration of identifying information's content promptly, distance inductor acquires the projection distance between projection lens 21 and the projection plane afterwards, and export the projection distance for focusing module 24, focusing module 24 is according to the formula: the optimum focal length of the projection lens 21 is calculated for the minimum projection distance (m) x the screen size (in)/the chip size (in) and for the maximum projection distance (m) x the screen size (in)/the chip size (in), and the actual focal length of the projection lens 21 is adjusted so that the projection screen is displayed clearly and completely in the area near the pen tip 11. The present embodiment generates an optimal projection screen by identifying the information content length, and adjusts the projection focal length of the projection lens 21 according to the size of the projection screen, so as to achieve the optimal display effect.
In a specific application, when the identification information is a picture, the number of the character output is judged to be 14 by the conversion module, and the pixel converted into the projection picture is 328PX, the optimal focal length of the projection lens 21 is calculated according to the pixel (picture size) of the projection picture, the actual focal length of the projection lens 21 is adjusted, and the picture finally projected and displayed is 328 PX; when the identification information is that the character "Ihave a dream i has a dream", the character size output is judged to be 14 by the conversion module, the pixel converted into the projection picture is 700X, the optimal focal length of the projection lens 21 is calculated according to the pixel (picture size) of the projection picture, the actual focal length of the projection lens 21 is adjusted, and the picture finally projected and displayed is 700 PX.
The embodiment of the utility model provides an intelligent pen with projection function, be provided with on intelligent pen body 1 and dismantle the connection projection module 2, when the user needs to look over the identification information of intelligent pen, can adorn projection module 2 on intelligent pen body 1, supply power to projection module 2 through built-in battery 12, and make projection module 2 and intelligent pen body 1 agreement be connected through connecting module 25, identification information is pushed to projection module 2 by intelligent pen body 1, convert to the corresponding picture size through the conversion module and then the projection lens 21 projection shows to the area near nib 11 of intelligent pen body 1, need not the user to shift the eyesight can watch the content of identification information, make the user know the content of identification information from the sense of hearing and vision simultaneously, when the user need not show identification information, can pull down projection module 2 from intelligent pen body 1, the weight of the intelligent pen in the using process is reduced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (7)
1. The utility model provides an intelligent pen with projection function, includes the intelligent pen body, the one end of intelligent pen body is the nib, be provided with the camera that is used for acquireing identifying information on the intelligent pen body, this internal built-in battery that is provided with of intelligent pen with be used for reporting identifying information's report module, a serial communication port, still be provided with on the intelligent pen body be used for with identifying information that the camera acquireed carries out the projection module that projection shows, projection module includes projecting lens and light source module, projecting lens with the camera all towards in the nib direction, projection module still including be used for with this body coupling module of intelligent pen.
2. The smart pen with the projection function of claim 1, wherein the projection module is detachably connected to the smart pen body.
3. The smart pen with projection function as claimed in claim 1, wherein the projection module further comprises a distance sensor for sensing a projection distance between the projection lens and the projection surface and a focusing module for adjusting a focal length of the projection lens according to the projection distance.
4. The smart pen with projection function as claimed in claim 1, wherein the connection module is a bluetooth module.
5. The smart pen with projection function of claim 1, wherein the connection module is a WIFI module.
6. The smart pen with the projection function as claimed in claim 1, wherein the smart pen body is provided with a charging interface, the projection module is provided with a charging connector connected with the charging interface when the projection module is connected to the smart pen body, and the charging interface is connected to the internal battery.
7. The smart pen with the projection function as claimed in claim 6, wherein the smart pen body or the projection module is provided with a control switch for controlling the charging interface and the charging connector to be electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920826338.0U CN209881955U (en) | 2019-06-03 | 2019-06-03 | Intelligent pen with projection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920826338.0U CN209881955U (en) | 2019-06-03 | 2019-06-03 | Intelligent pen with projection function |
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| Publication Number | Publication Date |
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| CN209881955U true CN209881955U (en) | 2019-12-31 |
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| CN201920826338.0U Active CN209881955U (en) | 2019-06-03 | 2019-06-03 | Intelligent pen with projection function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115086626A (en) * | 2022-05-23 | 2022-09-20 | 广州达蒙安防科技有限公司 | Projection pen, projection method and storage medium |
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2019
- 2019-06-03 CN CN201920826338.0U patent/CN209881955U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115086626A (en) * | 2022-05-23 | 2022-09-20 | 广州达蒙安防科技有限公司 | Projection pen, projection method and storage medium |
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