CN209859158U - Scanning pen - Google Patents
Scanning pen Download PDFInfo
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- CN209859158U CN209859158U CN201920834451.3U CN201920834451U CN209859158U CN 209859158 U CN209859158 U CN 209859158U CN 201920834451 U CN201920834451 U CN 201920834451U CN 209859158 U CN209859158 U CN 209859158U
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- 238000005286 illumination Methods 0.000 claims description 14
- 241001422033 Thestylus Species 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000180587 Pinnidae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Abstract
An embodiment of the utility model provides a scanning pen, this scanning pen includes: a housing; the scanning window is positioned at one end of the shell close to a scanning object; the observation window is positioned in the scanning window and used for observing the scanning object; wherein the scanning window comprises: a bevel portion for stopping against a medium on which the scan object is placed; and the plane part is opposite to the inclined plane part and is used for arranging the observation window. This wand is through setting up the scanning window that has plane portion and inclined plane portion to set up the observation window who link up plane portion and inclined plane portion at the scanning window, can make the user directly observe the scanning object that is covered by the scanning window under the state that the wand was held in the slope, thereby can adjust the position of wand and the route of scanning removal accurately, avoid leading to the condition that the scanning object surpassed wand scanning range because of sheltering from of casing, and then can improve wand's discernment rate of accuracy and scanning efficiency.
Description
Technical Field
The utility model discloses an embodiment relates to input device technical field, more specifically, the utility model discloses an embodiment relates to a wand.
Background
This section is intended to provide a background or context to the embodiments of the invention that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.
The scanning pen is one of the common tools for character scanning and inputting when people read data or books, and contents of various media such as photos, drawings, books and the like can be transcribed into the scanning pen or transmitted into a computer through a scanning technology, so that operations such as storage, reading, editing, modifying and the like can be conveniently carried out.
The existing scanning pen generally comprises a shell and a camera module positioned in the shell, wherein the camera module identifies and scans a scanning object on scanning media such as photos, books and the like through a scanning window arranged on the shell so as to complete the input of the scanning object.
SUMMERY OF THE UTILITY MODEL
In the prior art, a scanning pen generally needs to be covered on a scanning object, and because a user cannot directly see the position of the scanning object, it is difficult to strictly align a scanning window of the scanning pen with the scanning object.
For this reason, there is a high necessity for an improved wand so that a scan object can be accurately captured and recognized, thereby improving recognition accuracy of the wand and improving scanning efficiency thereof.
In this context, embodiments of the present invention are intended to provide a scanning pen, which solves the technical problems of poor recognition accuracy, low scanning efficiency, etc. caused by the shielding of the scanning object in the prior art to some extent.
According to an aspect of the present invention, there is provided a wand, including:
a housing;
the scanning window is positioned at one end of the shell close to a scanning object;
the observation window is positioned in the scanning window and used for observing the scanning object;
wherein the scanning window comprises:
a bevel portion for stopping against a medium on which the scan object is placed;
and the plane part is opposite to the inclined plane part and is used for arranging the observation window.
In some exemplary embodiments of the present invention, based on the above technical solutions, a first switch and a second switch extending out of the housing are disposed at one end close to the scanning object, and the first switch and the second switch are disposed oppositely.
In some exemplary embodiments of the present invention, based on the above technical solution, the observation window is provided with a transparent observation plate contacting with the housing.
In some exemplary embodiments of the present invention, based on the above technical solution, the transparent observation plate is provided with an indication mark for indicating a position of the scanning object.
In some exemplary embodiments of the present invention, based on the above technical solutions, the indication mark is an indication line parallel to a length direction of the wand.
In some exemplary embodiments of the present invention, based on the above technical solutions, the inclined plane portion is a smooth transition curved surface.
In some exemplary embodiments of the present invention, based on the above technical solutions, the wand further includes:
the image acquisition unit is positioned in the shell and used for acquiring the image information of the scanning object through the scanning window;
and the illumination unit is positioned in the shell and used for providing an illumination light source to the scanning object through the scanning window.
In some exemplary embodiments of the present invention, based on the above technical solutions, the image capturing unit includes:
a lens for acquiring an optical image of the scan object;
and the image sensor is connected with the lens and used for converting the optical image acquired by the lens into a digital image.
In some exemplary embodiments of the present invention, based on the above technical solution, the imaging center line of the image capturing unit and the lighting center line of the lighting unit have a preset angle therebetween, and the preset angle is 5 to 10 degrees.
In some exemplary embodiments of the present invention, based on the above technical solutions, the first switch and the second switch respectively include:
the trigger is used for contacting a scanning medium where the scanning object is located to generate a pressure signal;
and the pressure sensor is connected with the trigger and used for converting the pressure signal generated by the trigger into an electric signal.
The utility model discloses an among the exemplary embodiment, through setting up the scanning window that has plane portion and inclined plane portion, and set up the observation window who link up plane portion and inclined plane portion at the scanning window, can make the user directly observe the scanning object that is covered by the scanning window under the state that the wand was held in the slope, thereby can adjust the position of wand and the route that the scanning removed accurately, avoid leading to the scanning object to surpass the condition of wand scanning range because of sheltering from of casing, and then can improve the discernment accuracy and the scanning efficiency of wand.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
fig. 1 schematically shows a structural diagram of a wand according to an exemplary embodiment of the present invention.
Fig. 2 schematically illustrates a usage state diagram of a wand according to an exemplary embodiment of the present invention.
Fig. 3A schematically shows a structural diagram of a planar portion and an inclined portion of a scanning window in an exemplary embodiment of the present invention.
Fig. 3B schematically shows another structure diagram of the planar portion and the inclined surface portion of the scanning window in an exemplary embodiment of the present invention.
Fig. 4 schematically shows a structural diagram of a wand according to another exemplary embodiment of the present invention.
Fig. 5 schematically shows a structural diagram of a wand according to still another exemplary embodiment of the present invention.
In the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.
Detailed Description
The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments. It should be understood that these embodiments are given solely for the purpose of enabling those skilled in the art to better understand and thereby implement the present invention, and are not intended to limit the scope of the invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
According to the utility model discloses an embodiment provides a wand.
In this document, it is to be understood that although relative terms, such as "upper" and "lower", may be used herein to describe one element of an icon relative to another, such terms are used herein for convenience only, e.g., in accordance with the orientation of the examples illustrated in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.
The terms "a," "an," "the," "said," and "at least one" are used to indicate the presence of one or more elements/components/parts/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first," "second," and "third," etc. are used merely as labels, and are not limiting on the number of their objects.
Moreover, any number of elements in the drawings are by way of example and not by way of limitation, and any nomenclature is used solely for differentiation and not by way of limitation.
The principles and spirit of the present invention are explained in detail below with reference to a number of representative embodiments of the invention.
Summary of the utility model
The inventor has found that, because the scanning window of the scanning pen is generally small in size, in order to improve the capturing and identifying effect on the scanning object, the user generally needs to closely attach the scanning pen to the scanning object. However, under the user's view angle, the scanning object will be shielded by the casing of the scanning pen, especially under the condition that the layout of the scanning object is irregular or the arrangement of the scanning object is tight, it is difficult for the user to directly observe the relative position between the scanning window and the scanning object. If the scanning window is spaced from the scanning object by a large distance or the scanning pen is tilted by a large angle, the user can view the scanning object and the scanning window of the scanning pen from the side, but the recognition effect and the scanning efficiency of the scanning pen are affected. Based on this problem, the utility model discloses make the improvement to the structure of wand, through set up the observation window who corresponds to scanning window on the casing for the user can look over current scanning window just right scanning object in step when implementing normal scanning action, also can adjust the removal route of wand in real time according to the position relation of the two, consequently can improve the discernment rate of accuracy and the scanning efficiency of wand.
Having described the basic principles of the present invention, various non-limiting embodiments of the invention are described in detail below.
Application scene overview
It should be noted that the following application scenarios are presented merely to facilitate an understanding of the spirit and principles of the present invention, and the embodiments of the present invention are not limited in this respect. Rather, embodiments of the present invention may be applied to any scenario where applicable.
Take the text scanning on the paper books as an example, the user opens the utility model provides a wand, attaches the scanning window of wand on books to aim at it and wait the characters part of scanning. Before scanning is started, a user views scanned characters through an observation window arranged on a scanning pen shell, and the scanned characters can be aligned to the center of a scanning window after position adjustment. And then continuously scanning the scanned characters by moving the scanning pen, wherein in the moving process of the scanning pen, a user can observe the position relation between the scanned characters and the scanning window in real time through the observation window. Based on the position relation, the user can adjust the moving path of the scanning pen in real time, so that the scanned characters are always kept in the central range of the scanning window.
Exemplary device
In the following, in conjunction with the above application scenarios, a wand according to an exemplary embodiment of the present invention is described with reference to fig. 1 to 3.
In an exemplary embodiment of the present invention, a novel wand is provided. As shown in fig. 1, the wand 100 may generally include a housing 110, a scanning window 120, and a viewing window 130.
The scanning window 120 is located at one end of the housing 110 close to the object to be scanned (the other end of the housing is not shown), and image capturing tools such as a camera can be disposed in the housing, so that the object to be scanned can be identified and scanned through the scanning window 120. The scanning object may be, for example, a photo or a text on a book, and when the user needs to capture the text, the scanning window 120 may be attached to the photo or the book and aligned with the text thereon for scanning.
The observation window 130 is located at the scanning window 120, and a user can directly observe a scanning object aligned with the scanning window 120 through the observation window 130. Specifically, the position relationship between the scan object and the scan window 120 can be observed, and generally, the scan object needs to be aligned with the center of the scan window 120, so that the image capturing unit of the scan pen can accurately scan the scan object.
With continued reference to fig. 1, the scanning window 120 may further include a ramp portion 121 and a flat portion 122. The slope part 121 is located on the bottom surface of the housing for stopping against the medium on which the scanning object is located. Opposite the inclined surface portion 121 is a planar portion 122 located on the top surface of the housing, the planar portion 122 is used for providing an observation window 130, and the observation window 130 may pass through the planar portion 122 and the inclined surface portion 121. When a user needs to perform a scanning operation, the inclined surface portion 121 of the scanning window 120 may be abutted against a medium on which a scanning object such as a book or a photo is placed, and then a specific position of the scanning object may be viewed through the observation window 130 penetrating through the flat surface portion 122 and the inclined surface portion 121, so as to align the scanning object with the scanning window 120.
As shown in fig. 2, since the inclined surface portion 121 as a whole presents an inclined surface having an inclined angle with the flat bottom surface 113 of the housing 110, when the inclined surface portion 121 is stopped against the medium on which the scanning object is placed, the flat surface portion 122 located on the top surface of the housing 110 just intersects the medium at an inclination. The stylus as a whole also obliquely intersects the medium, unlike the perpendicular intersection, the user can easily view the scan object located below the stylus through the observation window 130 located on the planar portion 122 in a direct-view state. Moreover, the oblique intersection of the scanning pen and the medium by the inclined surface part 121 also conforms to the normal holding posture of the user, and the comfort level of the user when holding the scanning pen for scanning operation is improved.
As shown in fig. 3A, the inclined surface portion 121 may be a plane having a predetermined included angle α with the plane portion 122 as a whole, and may be, for example, 30 to 60 degrees. Preferably, the predetermined included angle α may be 45 degrees, which is suitable for the user with high comfort to hold the pen. As shown in fig. 3B, the inclined surface portion 121 may also be a smoothly transitional curved surface, one side of which has a predetermined included angle β with the plane portion 122, and the other side of which is connected with the bottom surface of the housing. The preset included angle β may be, for example, 30 to 90 degrees. Preferably, the preset included angle β may be 90 °, and the inclined surface portion 121 gradually and smoothly transitions from the nib portion to the rear portion, and finally is parallel or approximately parallel to the plane portion 122. The inclined surface portion 121 having the curved surface structure enables a user to more conveniently adjust a holding posture of the stylus pen and to conveniently adjust an inclination angle of the stylus pen.
The inclined plane part 121 can realize that the whole scanning pen is intersected with the medium in an inclined way, and the utility model discloses do not specially limit its concrete structure and shape. In the exemplary embodiment, by providing the scanning window 120 having the planar portion 122 and the inclined portion 121 and providing the observation window 130 penetrating through the planar portion 122 and the inclined portion 121 in the scanning window 120, the user can directly observe the scanning object covered by the scanning window 120 in a state of holding the scanning pen in an inclined state, thereby accurately adjusting the position of the scanning pen and the path of scanning movement, avoiding the situation that the scanning object exceeds the scanning range of the scanning pen due to the shielding of the housing 110, and thus, the recognition accuracy and the scanning efficiency of the scanning pen can be improved.
With continued reference to FIG. 1, the present exemplary embodiment provides a way to arrange viewing windows. Specifically, a first switch 111 and a second switch 112 formed to extend outward by a certain length from the housing are provided at one end close to the scan target, and the first switch 111 is disposed opposite to the second switch 112.
The gap region formed between the first switch 111 and the second switch 112 may be used as the observation window 130 for observing the scan target. For the scanned object of horizontally laid characters, a user can position the scan pen to enable the first switch 111 and the second switch 112 to be respectively located above and below the scanned characters, so that the scan window 120 between the first switch 111 and the second switch 112 can be aligned with the scanned object, and the position of the scanned object can be checked through the observation window 130 to further adjust the position of the scan pen and the scan moving path.
As shown in fig. 4, in another exemplary embodiment of the present invention, a transparent viewing plate 131 contacting the housing 110 may be disposed on the viewing window 130, and the transparent viewing plate 131 may be, for example, a transparent plastic plate or a transparent glass plate. Preferably, the transparent viewing plate 131 may be disposed on the planar portion 122 and contact the upper surface of the housing 110.
Preferably, the width (dimension along the width direction of the scanning pen) of the observation window 130 is smaller than the width of the scanning window 120, and the length (dimension along the length direction of the scanning pen) of the observation window 130 is smaller than the depth of the scanning window 120. For example, if the width of the scanning window 120 is 1.2cm and the depth is 0.9cm, the width of the observation window 130 may be 1.1cm and the length may be 0.7 cm. The thickness of the viewing window 130 may be the same as the thickness of the housing 110 of the wand. It should be noted that the data listed here are only used to explain the present invention, and the size of the scanning window 120 and the observation window 130 may be other values, and the present invention is not limited to this.
According to this exemplary embodiment, the transparent observation plate 131 may further be provided with an indicator for indicating the position of the scanning object, which may be, for example, an indicator line 132 parallel to the length direction of the scanning pen as shown in fig. 4, and during the scanning movement of the scanning pen, the indicator line 132 may be always aligned with the scanning object, so that once the position deviation occurs, the position and the moving direction of the scanning pen may be adjusted in real time.
In the wand shown in FIG. 4, the indicator line 132 is disposed along the entire length of the wand, but in other embodiments, the indicator line 132 may extend in the width direction of the wand or in any other direction. Besides, the indication mark arranged on the transparent observation plate 131 can be two parallel lines, scale lines, arrows, etc., and the utility model discloses do not specially limit to this.
In the scanning pen provided by the exemplary embodiment, the transparent observation plate is arranged on the observation window, and the indication mark is arranged on the transparent observation plate, so that the position of the scanned object can be indicated in real time in the scanning process, and the user can conveniently observe and align the object. Especially, under the condition that the arrangement position of the scanning objects is irregular or the arrangement of the scanning objects is too close, the scanning window can be easily aligned to the scanning objects under the guidance of the indication mark, so that the scanning accuracy and the scanning efficiency are improved.
As shown in fig. 5, in another exemplary embodiment of the present invention, the wand 100 may further include a main circuit board 540 inside the housing 110, and an image capturing unit 510 and an illumination unit 520 connected to the main circuit board 540. The image acquisition unit 510 is configured to acquire image information of a scan object through a scan window, and the illumination unit 520 is configured to provide an illumination light source to the scan object through the scan window.
In this exemplary embodiment, the image acquisition unit 510 may further include: a lens 511 and an image sensor 512. The lens 511 is used for acquiring an optical image of a scanning object; the image sensor 512 is connected to the lens 511, and is configured to convert an optical image captured by the lens 511 into a digital image.
The imaging center line of the image capturing unit 510 and the illumination center line of the illumination unit 520 may be approximately parallel to each other and may have a predetermined angle. Preferably, the angle can be set to 5 to 10 degrees, so that the light coverage is improved while the vertical incidence is avoided. By setting the two to have a preset angle, the illumination light emitted by the illumination unit 520 can be obliquely incident on the surface of the scanned medium, so that the illumination can be ensured not to be excessively concentrated, the uniformity of the illumination can be improved, and the resolution of the acquired image and the contrast of the detection target can be improved.
With continued reference to FIG. 5, in this exemplary embodiment, the second switch 112 may include a trigger 1121 extending a length outward of the housing and a pressure sensor 1122 located within the housing. The trigger 1121 is configured to contact a scanning medium on which a scanning object is located to generate a pressure signal; the pressure sensor 1122 is connected to the trigger 1121 for converting a pressure signal generated by the trigger 1121 into an electrical signal. The first switch 111 disposed opposite to the second switch 112 may have the same or similar structure.
When the first switch 111 and the second switch 112 contact a scanning medium where a scanning object is located, the trigger extending to a certain length to the outside of the housing may be pushed towards the inside of the housing of the scanning pen by force to generate a pressure signal, and the pressure signal is converted into an electrical signal by the pressure sensor, so as to turn on the image acquisition unit and/or the illumination unit 520.
Based on the above exemplary embodiments, the utility model provides a general workflow that wand scans is as follows:
when a user desires to scan, the end of the stylus 100 with the scanning window 120 may be placed on a scanning medium. The user can see through the observation window 130 and adjust the position relationship between the scanning object and the scanning window 120, and particularly, the scanning object can be aligned with the scanning window 120 through the indication mark provided on the transparent observation plate 131. At the same time, the user may apply a force to the wand 100 that presses against the scan medium, enabling the first and second switches 111, 112 to generate a pressure signal that is converted to an electrical signal by the pressure sensor and transmitted to the main circuit board 540 of the wand. Then, the digital signal processor on the main circuit board 540 senses the change and controls the illuminating unit 520 to emit illuminating light to the scanning object, and the image capturing unit 510 may start image capturing. The image capturing unit 510 may be connected to the main Circuit board 540 through a Flexible Printed Circuit (FPC), and may transmit the captured image information to the main Circuit board 540. The processor on the main circuit board 540 can perform processing such as stitching, binarization, identification and the like on the acquired image, can control the page display of the scanning pen display screen, and can receive a control instruction of a user on a scanned object through a virtual control provided by the display screen so as to control the processor to perform operations such as storage, editing, translation and the like on the scanned object. When the user finishes scanning, the scanning pen 100 can be lifted, the first switch 111 and the second switch 112 are disengaged from the scanning medium, and after the pressure is lost, the pressure sensor will recover to its original state. The processor on the main circuit board 540 controls the image capture unit 510 and the illumination unit 520 to turn off in response to this pressure change, ending the scanning process.
It should be noted that although in the above detailed description several units or sub-units of the stylus are mentioned, this division is merely exemplary and not mandatory. Indeed, the features and functions of two or more modules or units described above may be embodied in one module or unit according to embodiments of the invention. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
While the spirit and principles of the invention have been described with reference to several particular embodiments, it is to be understood that the invention is not limited to the described embodiments, nor is the division of aspects, which is merely for convenience of presentation, to imply that features in these aspects cannot be combined to advantage. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A wand, comprising:
a housing;
the scanning window is positioned at one end of the shell close to a scanning object;
the observation window is positioned in the scanning window and used for observing the scanning object;
wherein the scanning window comprises:
a bevel portion for stopping against a medium on which the scan object is placed;
and the plane part is opposite to the inclined plane part and is used for arranging the observation window.
2. The stylus according to claim 1, wherein a first switch and a second switch formed to extend outside the housing are provided at an end near the scanning object, the first switch being disposed opposite to the second switch.
3. The wand of claim 1, wherein the viewing window is provided with a transparent viewing plate in contact with the housing.
4. The wand of claim 3, wherein the transparent viewing plate is provided with an indicator for indicating the position of the scanned object.
5. The wand of claim 4, wherein the indicator is a line parallel to a length of the wand.
6. The wand of claim 1, wherein the ramp portion is a smooth-transition curved surface.
7. The wand of any one of claims 1 to 6, further comprising:
the image acquisition unit is positioned in the shell and used for acquiring the image information of the scanning object through the scanning window;
and the illumination unit is positioned in the shell and used for providing an illumination light source to the scanning object through the scanning window.
8. The wand of claim 7, wherein the image capture unit comprises:
a lens for acquiring an optical image of the scan object;
and the image sensor is connected with the lens and used for converting the optical image acquired by the lens into a digital image.
9. The wand of claim 7, wherein the imaging center line of the image capturing unit and the illuminating center line of the illuminating unit have a predetermined angle therebetween, and the predetermined angle is 5 to 10 degrees.
10. The wand of claim 2, wherein the first switch and the second switch each comprise:
the trigger is used for contacting a scanning medium where the scanning object is located to generate a pressure signal;
and the pressure sensor is connected with the trigger and used for converting the pressure signal generated by the trigger into an electric signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920834451.3U CN209859158U (en) | 2019-06-04 | 2019-06-04 | Scanning pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920834451.3U CN209859158U (en) | 2019-06-04 | 2019-06-04 | Scanning pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209859158U true CN209859158U (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920834451.3U Ceased CN209859158U (en) | 2019-06-04 | 2019-06-04 | Scanning pen |
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| Country | Link |
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| CN (1) | CN209859158U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112347228A (en) * | 2020-11-10 | 2021-02-09 | 网易有道信息技术（北京）有限公司 | Method and portable electronic device for text query |
| WO2023236521A1 (en) * | 2022-06-10 | 2023-12-14 | 科大讯飞股份有限公司 | Pen scanner |
-
2019
- 2019-06-04 CN CN201920834451.3U patent/CN209859158U/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112347228A (en) * | 2020-11-10 | 2021-02-09 | 网易有道信息技术（北京）有限公司 | Method and portable electronic device for text query |
| CN112347227A (en) * | 2020-11-10 | 2021-02-09 | 网易有道信息技术（北京）有限公司 | Method and portable electronic device for text query |
| WO2023236521A1 (en) * | 2022-06-10 | 2023-12-14 | 科大讯飞股份有限公司 | Pen scanner |
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Effective date of registration: 20220629 Address after: 310052 room 509, building 3, No. 399, Wangshang Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Netease Youdao (Hangzhou) Intelligent Technology Co.,Ltd. Address before: 100193 1 / F, block a, building 7, West Zhongguancun Software Park, yard 10, northwest Wangdong Road, Haidian District, Beijing Patentee before: NETEASE YOUDAO INFORMATION TECHNOLOGY (BEIJING) Co.,Ltd. |
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| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20221103 Decision number of declaring invalidation: 58993 Granted publication date: 20191227 |
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| IW01 | Full invalidation of patent right |