CN114036966B - Real-time adjustable window feature for bar code scanning and process of scanning bar codes with adjustable window feature - Google Patents

Abstract

Real-time adjustable window features for bar code scanning and a process of scanning bar codes with adjustable window features. A mobile barcode scanning device with a shrink-to-window feature includes an embedded camera and a user interface system with a visual display. The user interface system enables a user to access features of the mobile barcode scanning device with touch gestures. The mobile barcode scanning device also includes a barcode scanning application that is initialized by a user of the mobile barcode scanning device. The mobile barcode scanning device further includes an operating system communicatively coupled to the embedded camera, a barcode scanning application, and a user interface system. The visual display provides a viewfinder for the embedded camera in the bar code scanning application. The user-defined shrink-to-window feature is adjustable in size, orientation, and position in real-time by the at least two-point touch gesture.

Description

Real-time adjustable window feature for barcode scanning and process of scanning barcode with adjustable window feature

Cross-reference to priority application

This U.S. nonprovisional application hereby claims the benefit of U.S. Patent Application No. 62/098,072 (filed on December 30, 2014) for Real-Time Adjustable Window Feature for Barcode Scanning and Process of Scanning Barcode with Adjustable Window Feature, which is hereby incorporated by reference in its entirety.

Technical Field

The present invention relates to a mobile barcode scanning device and a process of scanning a barcode.

Background Art

A common problem with barcode scanning systems occurs when multiple barcodes are close to each other and the user wants to scan only one of the barcodes. Most barcode decoding solutions are unable to target a specific barcode within the field of view when other barcodes are nearby, so all barcode decode information may be returned to the business logic.

One solution to this problem relies on business logic to discern which barcode is required, but sometimes this may not be possible due to the similarity of the barcodes being scanned.

Another solution to this problem may be to define a window within the field of view of the barcode scanning device, within which decoding can occur only. However, this solution is not very flexible and may need to be resized frequently.

Therefore, a need exists for a bar code scanning process and apparatus that can be flexibly adjusted to scan only desired bar codes.

Summary of the invention

Thus, in one aspect, the present invention includes a feature on a mobile barcode scanning device for flexibly adjusting a barcode scanning window in real time.

An embedded camera and a user interface system are provided for a mobile barcode scanning device. A visual display is provided for the user interface system and is configured to allow a user to access features of the mobile barcode scanning device using touch gestures on the visual display. A barcode scanning application is further provided for the mobile barcode scanning device. The barcode scanning application can be initialized by a user of the mobile barcode scanning device. An operating system is further provided for the mobile barcode scanning device. The operating system is communicatively coupled to the embedded camera, the barcode scanning application, and the user interface system. The visual display provides a viewfinder for the embedded camera in the barcode scanning application.

Features of the mobile barcode scanning device include a user-defined graphics window overlaid on the viewfinder. The user-defined graphics window is adjustable in size, orientation, and position by a user of the mobile barcode scanning device through at least a two-point touch gesture on the visual display. The two-point touch gesture is capable of resizing, reorienting, and repositioning the graphics window to a two-point size, orientation, and position in real time, whereby a barcode to be scanned can be defined by the user in real time in the adjustable graphics window.

In one exemplary embodiment, the two-point touch gesture on the visual display is a pinch gesture with two fingers of the user.

In another exemplary embodiment, the two-point touch gesture is a touch gesture with a pair of styluses (ie, styluses).

In yet another exemplary embodiment, the two-point touch gesture is a multi-touch gesture.

In yet another exemplary embodiment, the mobile barcode scanning device further includes a front-facing camera (i.e., a camera facing the user) and image processing software. The operating system is communicatively coupled to the front-facing camera and the image processing software. The front-facing camera and the image processing software allow the graphics window to be repositioned by the eye tracking capability of the mobile device.

In yet another exemplary embodiment, the mobile barcode scanning device is a smartphone.

In yet another exemplary embodiment, the mobile barcode scanning device is a smart watch.

In yet another exemplary embodiment, the mobile barcode scanning device is a tablet computer.

In yet another exemplary embodiment, the user's action to initiate the barcode scanning operation may be a voice command, a swiping motion of a stylus on the visual display, a touch gesture on the visual display, or a physical motion of moving the barcode scanning device.

In yet another exemplary embodiment, the barcode scanning application is configured such that a barcode may be successfully decoded if the barcode is partially encompassed by the graphics window.

In yet another exemplary embodiment, the barcode scanning application is configured such that a barcode can be successfully decoded if the barcode is completely encompassed by the graphics window.

In another aspect, the invention includes a process for scanning a bar code with a mobile device.

A mobile device has an embedded camera and a user interface system. A visual display is provided for the user interface system. The user interface system is configured to allow a user to access features of the mobile device with touch gestures on the visual display. A barcode scanning application and an operating system are also provided for a mobile barcode scanning device. The operating system is communicatively coupled to the embedded camera, the barcode scanning application, and the user interface system. The visual display provides a viewfinder for the embedded camera. The viewfinder has a user-defined graphical window in which, when the barcode scanning application begins scanning, a barcode to be scanned and successfully decoded must be at least partially included. The graphical window is adjustable in size, orientation, and position by a two-point touch gesture of a user moving the barcode scanning device.

The process includes the steps of: (i) initializing a barcode scanning application; (ii) displaying a camera viewfinder on a visual display; (iii) superimposing a user-defined graphics window in the viewfinder; (iv) defining the size, orientation and position of the graphics window in real time in the viewfinder through a user's two-point touch gesture to at least partially include a barcode to be scanned and decoded in the viewfinder; and (v) decoding any barcode within the graphics window.

In an exemplary embodiment, the limiting step is completed by resizing, reorienting and relocating the graphics window to the size, orientation and position of two points in real time by a two-point touch gesture. Thus, the bar code to be scanned can be limited in an adjustable graphics window by the user in real time.

In another exemplary embodiment, the two-point touch gesture is a pinch gesture of two fingers.

In another exemplary embodiment, at least a portion of the defining step is accomplished by an eye tracking capability of the mobile device. A front camera and image processing software are further provided for the mobile device. An operating system is communicatively coupled to the front camera and the image processing software. The eye tracking capability is implemented by collaboration between the front camera and the image processing software. For example, the eye tracking capability can help reposition the graphics window in real time.

In yet another exemplary embodiment, the barcode scanning application is configured such that a barcode must be completely included in the graphics window in the viewfinder to be scanned and successfully decoded.

In another exemplary embodiment, the mobile barcode scanning device may be a smart phone, a smart watch, or a tablet computer.

In another exemplary embodiment, the initialization step is performed by a physical action of the user. The physical action of the user to initiate the barcode scanning operation can be a voice command, a swipe motion of a stylus on the visual display, a touch gesture on the visual display, or a physical motion of moving the barcode scanning device.

In another exemplary embodiment, application logic is provided for the barcode scanning application. The application logic performs the required data processing of the barcode scanning application. The initialization step is completed by the application logic.

The foregoing illustrative summary, as well as other exemplary objects and/or advantages of the present invention, and the manner in which the same are accomplished, are further explained in the following detailed description and its accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 depicts a block diagram of a mobile barcode scanning device according to the present invention.

2A and 2B schematically depict an adjustable user-defined graphics window in use on a mobile barcode scanning device according to the present invention.

FIG. 3 schematically depicts another embodiment of an adjustable user-defined graphics window in use on a mobile barcode scanning device according to the present invention.

FIG. 4 depicts a flow chart of a process for scanning a bar code using a mobile bar code scanning device according to the present invention.

DETAILED DESCRIPTION

The present invention will now be described more fully below with reference to the accompanying drawings in which exemplary embodiments of the present invention are shown. However, the present invention may be implemented in many different forms and should not be construed as being limited to the embodiments set forth herein. In the drawings, similar numbers refer to similar elements throughout the text.

In one aspect, the present invention includes a feature on a mobile bar code scanning device for adjusting a user-defined bar code scanning window in real time.

Referring now to FIG. 1 , an exemplary mobile barcode scanning device 10 is provided with an embedded camera 11, a user interface system 12 including a visual display 18, a barcode scanning application 13, and an operating system 14. The user interface system 12 is configured to allow a user to access features of the mobile barcode scanning device 10 using touch gestures on the visual display 18. The operating system 14 communicatively links the embedded camera 11, the user interface system 12, and the barcode scanning application 13. The barcode scanning application 13 can be initialized by an action of a user of the mobile barcode scanning device 10. A system bus 15 can be provided for the mobile barcode scanning device 10, which helps the operating system 14 to communicatively link to other components. Other interface circuits and components may also be present, such as memory (not shown), etc.

As previously discussed, the barcode scanning application 13 may be initialized by an action of a user of the mobile barcode scanning device 10. The user's action may include a voice command, a swiping motion of a stylus on the visual display 18, a touch gesture on the visual display 18, a physical motion of the mobile barcode scanning device 10, or a combination of any of these. Alternatively, the barcode scanning application 13 may be provided with an application logic 25 that performs the required data processing of the barcode scanning application 13. Initialization of the barcode application 13 may be accomplished by the application logic 25.

The mobile barcode scanning device 10 may also include a front-facing camera 16 and image processing software 17 to provide eye tracking capabilities to the mobile barcode scanning device 10. The operating system 14 is communicatively coupled to the front-facing camera 16 and the image processing software 17.

The mobile barcode scanning 10 device can be a smart phone, smart watch or tablet computer.

Referring now to FIGS. 2A and 2B , in an exemplary embodiment of an inventive feature, the mobile barcode scanning device 10 shown in the block diagram of FIG. 1 is schematically shown in FIG. 2A before the graphics window 20 is adjusted for size, position, and orientation, and the mobile barcode scanning device 10 shown in the block diagram of FIG. 1 is schematically shown in FIG. 2B after the graphics window 20 is adjusted for size, position, and orientation. FIG. 2A shows the mobile barcode scanning device 10 with the visual display 18 and the viewfinder 19 on the visual display 18 after a barcode application (not shown) has been initialized. The graphics window 20 is in the center of the viewfinder 19. Two barcodes 22 and 23 are close to each other in the viewfinder 19. The graphics window 20 includes the entire first barcode 22 and a portion of the adjacent second barcode 23. In FIGS. 2A and 2B , the barcode 23 is the barcode to be scanned and decoded. The user 43 is ready to adjust the graphics window 20.

2B , the user 43 has moved the graphics window 20 to the right side of the viewfinder 19 and resized the graphics window 20 to include only the barcode 23 to be decoded. The user 43 uses a two-point touch gesture 21 (e.g., a pinch gesture 21) to move and resize the graphics window 20 in real time so that the graphics window 20 is sized, positioned, and oriented at the location of the two-point touch gesture 21.

The two-point touch gesture 21 may be a pinch gesture 21 as shown in FIG. 2B , but may alternatively be a two-point gesture 21 made with a stylus (not shown) or a multi-point gesture (not shown).

The barcode 23 to be decoded may be fully encompassed by the graphics window 20, as shown in FIG. 2B, or may be partially encompassed by the graphics window 20, depending on how the barcode scanning application (not shown) is configured.

Referring now to FIG. 3 , in another exemplary embodiment of a feature of the present invention, the mobile barcode scanning device 10 includes a front camera 16 and image processing software (not shown). The front camera 16 and the image processing software cooperate to allow the mobile barcode scanning device 10 to have eye tracking capabilities, as known in the art for smart mobile devices. A user (not shown) can reposition the graphics window 20 with eye movement. The user's eye 40A views the graphics window 20 at a first position 20A in a first orientation. Subsequently, the user focuses his eye 40B to a second position on the viewfinder 19, where the user wants to reposition the graphics window 20 from the initial position 20A to the second position 20B. In FIG. 3 , the user moves the graphics window 20 from the center of the viewfinder 19 from the first position 20A (where the graphics window 20 includes a portion of the barcode 22 and the barcode 23) to the second position 20B on the right side of the viewfinder 19, effectively moving the graphics window 20 so that the barcode 22 is no longer in the graphics window 20, and the barcode 23 is completely included in the graphics window 20. In this way, the graphics window 20 can be repositioned on the viewfinder 19 in real time by moving the eye tracking capability of the bar code scanning device 10.

In another aspect, the present invention includes a process for scanning a bar code using a mobile bar code scanning device having a real-time, user-defined adjustable window.

In an exemplary embodiment depicted as a flow chart in FIG. 4 , a process 30 for scanning a barcode with a mobile device is provided. The exemplary mobile device used in the process has been described and illustrated in FIGS. 1-3 , and in particular uses the feature of a user-defined graphical window, which must at least partially include the barcode to be scanned and decoded in the user-defined graphical window when the barcode scanning application begins scanning. The graphical window is adjustable in size, orientation, and position by a two-point touch gesture of a user of the mobile device. The process 30 includes the following steps: initializing the barcode scanning application 31; displaying a camera viewfinder on a visual display 32; superimposing a user-defined graphical window in the viewfinder 33; defining the size, orientation, and position of the graphical window in the viewfinder in real time by a two-point touch gesture of the user to at least partially include the barcode to be scanned and decoded in the viewfinder 34; and decoding any barcode within the graphical window 35.

The defining step 34 is accomplished by resizing, reorienting, and repositioning the graphics window 36 using a two-point touch gesture. The two-point touch gesture can resize, reorient, and reposition the graphics window to the size, orientation, and position of the two points in real time, thereby enabling the barcode to be scanned and decoded to be defined in the adjustable graphics window by the user in real time. The two-point touch gesture can be a pinch gesture with two fingers, a multi-touch gesture, or a two-point gesture with a stylus.

The defining step 34 may be accomplished at least in part by the eye tracking capability of the mobile device. The eye tracking capability is provided by the cooperation of the front camera and the image processing software. The repositioning of the graphics window may be accomplished by the eye tracking capability of the mobile device, as described above with respect to FIG. 3 .

The initialization step 31 may be accomplished by a physical action of the user, such as a voice command, a swiping motion of a stylus on the visual display, a touch gesture on the visual display, a physical motion of a mobile barcode scanning device, or a combination thereof.

Alternatively, an application logic may be provided for the barcode scanning application. The application logic performs the required data processing of the barcode scanning application. For example, the initialization step 31 may be completed by the application logic.

* * *

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* * *

In the specification and/or drawings, typical embodiments of the present invention have been disclosed. The present invention is not limited to such exemplary embodiments. The use of the term "and/or" includes any and all combinations of one or more of the relevant listed items. The drawings are schematic representations and are therefore not necessarily drawn to scale. Unless otherwise stated, specific terms have been used in a general and descriptive sense and not for the purpose of limitation.

Claims (8)

1.A mobile barcode scanning device comprising:

an embedded camera;

A user interface system including a visual display, the user interface system configured to allow a user to access features of the bar code scanning device using the visual display;

A bar code scanning application; and

An operating system communicatively coupled to the embedded camera, the barcode scanning application, and the user interface system;

Wherein:

The visual display is configured to operate as a viewfinder for displaying at least one bar code in a field of view of the embedded camera, and to provide an adjustable bar code scan window superimposed on the viewfinder,

Wherein the bar code scanning device is configured to initiate scanning and decode a bar code of the at least one bar code in a case where the at least one bar code is partially, but not fully, included by the adjustable bar code scanning window, and wherein the adjustable bar code scanning window is adjustable in size and position by a two-touch gesture made on the visual display by a user of the bar code scanning device.

2. The device of claim 1, wherein the adjustable barcode scanning window is adjustable by a two-touch gesture in an orientation other than size and position.

3. The apparatus of claim 1, wherein the two-touch gesture on the visual display is a pinch gesture.

4. The device of claim 1, wherein the embedded camera comprises a front-end camera, and wherein the device further comprises image processing software comprising eye tracking capabilities, and wherein the operating system is communicatively coupled to the front-end camera and the image processing software, and wherein the adjustable barcode scanning window is repositionable by eye tracking capabilities performed by the front-end camera and the image processing software.

5. A method of scanning a bar code, comprising:

Initializing a bar code scanning application on a mobile bar code scanning device, wherein the bar code scanning device comprises: (i) An embedded camera and (ii) a user interface system provided with a visual display, wherein the visual display provides a viewfinder for the embedded camera;

Displaying a viewfinder on a visual display, wherein the viewfinder displays at least one bar code and a user-defined graphical window in a field of view of the embedded camera, wherein the user-defined graphical window is adjustable by a two-touch gesture by a user of the device, by which the graphical window is definable, including being moved and resized in real time; and

The method may further include decoding the bar code of the at least one bar code in a case where the bar code to be scanned is at least partially included within the user-defined graphical window, wherein the at least one bar code is decoded in a case where the at least one bar code is partially, but not fully, included by the adjustable bar code scanning window.

6. The method of claim 5, further comprising:

in addition to defining size and position, the orientation of the user-defined graphical window in the viewfinder is defined in real-time by a two-touch gesture of the user.

7. The method of claim 6, wherein defining the size, orientation, and/or position of the user-defined graphical window in the viewfinder in real-time further comprises: the user-defined graphical window is resized, redirected, and/or repositioned in real-time by the two-touch gesture such that the bar code to be scanned is definable in the user-defined graphical window by the user in real-time.

8. The method of claim 6, wherein defining the size, orientation, and/or position of the user-defined graphical window in real-time in the viewfinder is based on eye tracking capabilities of a device that includes a front-end camera and image processing software, and an operating system, wherein the operating system is communicatively coupled to the embedded camera, the barcode scanning application, the user interface system, the front-end camera, and the image processing software, and wherein the eye tracking capabilities are performed through cooperation between the front-end camera and the image processing software.