CN112118362B - Scanning bar homing method and device and scanner - Google Patents
Scanning bar homing method and device and scanner Download PDFInfo
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- CN112118362B CN112118362B CN202011025524.8A CN202011025524A CN112118362B CN 112118362 B CN112118362 B CN 112118362B CN 202011025524 A CN202011025524 A CN 202011025524A CN 112118362 B CN112118362 B CN 112118362B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
- H04N1/00007—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for relating to particular apparatus or devices
- H04N1/00018—Scanning arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
- H04N1/00026—Methods therefor
- H04N1/00037—Detecting, i.e. determining the occurrence of a predetermined state
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
- H04N1/00026—Methods therefor
- H04N1/00063—Methods therefor using at least a part of the apparatus itself, e.g. self-testing
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Abstract
The application provides a method and a device for homing a scanning bar and a scanner. The scanner comprises a scanning bar, a manuscript table and a processor, and is further integrated with a Near Field Communication (NFC) card reader and an NFC label, wherein the NFC card reader is embedded in the scanning bar and used for reading radio frequency label information and sending the radio frequency label information to the processor; the NFC label is fixedly arranged in a homing area of the manuscript table; the processor is configured to determine whether the radio frequency tag information matches the radio frequency tag information of the NFC tag after receiving the radio frequency tag information sent by the NFC card reader, and determine that the scan bar is successfully reset when determining that the radio frequency tag information matches the radio frequency tag information of the NFC tag. The method and the device for homing the scanning bar and the scanner can realize successful homing of the scanning bar.
Description
Technical Field
The application relates to the technical field of scanners, in particular to a method and a device for homing a scanning bar and a scanner.
Background
Scanners are widely used in various fields as a digital input device that captures images and converts them into computer-readable images that can be displayed, edited, stored, and output.
The scan bar of the scanner needs to return to the home area (initial position) after the scanner is powered on or after one scan is finished. At present, the commonly used scan bar homing method is: setting a calibration pattern (for example, the calibration pattern is a black dot) in a homing area of the platen; correspondingly, when the scanning bar is reset, if the scanning bar scans the calibration image, the scanning bar is determined to be successfully reset.
When the method is adopted for resetting the scanning bar, the scanning bar can not be successfully reset due to the fact that the scanning bar is reset because of dirt in the scanner or unclear calibration patterns and the like, or the calibration patterns cannot be scanned or the scanned dirt is mistaken for the calibration patterns.
Disclosure of Invention
In view of the above, the present application provides a scan bar homing method, apparatus and scanner to achieve successful homing of scan bars.
A first aspect of the application provides a scanner comprising a scan bar, a platen and a processor, said scanner further integrating a near field communication, NFC, reader and an NFC tag, wherein,
The NFC card reader is embedded in the scanning bar and used for reading radio frequency label information and sending the radio frequency label information to the processor;
the NFC label is fixedly arranged in a homing area of the manuscript table;
the processor is configured to determine whether the radio frequency tag information matches the radio frequency tag information of the NFC tag after receiving the radio frequency tag information sent by the NFC card reader, and determine that the scan bar is successfully reset when determining that the radio frequency tag information matches the radio frequency tag information of the NFC tag.
Further, the processor is further configured to determine whether the scan bar is in a homing process after receiving the radio frequency tag information sent by the NFC card reader, and execute the step of determining whether the radio frequency tag information matches the radio frequency tag information of the NFC tag when determining that the scan bar is in the homing process.
Further, a center line of the manuscript table parallel to the running direction of the scanning bar is used as a reference line, and the difference value between the distance from the NFC label to the reference line and the distance from the NFC card reader to the reference line is smaller than a preset threshold value.
Furthermore, a connecting line of the NFC label and the NFC card reader is parallel to the running direction of the scanning bar.
Further, the platen includes a first homing area and a second homing area; the NFC tags comprise a first NFC tag and a second NFC tag, the first NFC tag is arranged in the first homing area, and the second NFC tag is arranged in the second homing area.
Further, the radio frequency tag information of the first NFC tag is the same as the radio frequency tag information of the second NFC tag;
in the alternative, the first and second sets of the first and second sets of the first and second sets of the first and second sets of the first and second sets of the first and second sets of the second,
the radio frequency tag information of the first NFC tag is different from the radio frequency tag information of the second NFC tag.
The second aspect of the application provides a scan bar homing method, which is applied to a scanner, wherein the scanner comprises a scan bar, a manuscript table, a Near Field Communication (NFC) card reader and an NFC label, and the NFC card reader is embedded in the scan bar; the NFC label is fixedly arranged in a homing area of the manuscript table; the method comprises the following steps:
after receiving the radio frequency tag information sent by the NFC card reader, judging whether the radio frequency tag information is matched with the radio frequency tag information of the NFC tag;
and if so, determining that the scanning bar is successfully reset.
Further, before determining whether the radio frequency tag information matches the radio frequency tag information of the NFC tag, the method further includes:
Judging whether the scanning bar is in a homing process;
and if so, executing a step of judging whether the radio frequency tag information is matched with the radio frequency tag information of the NFC tag.
The third aspect of the application provides a scan bar homing device, and the method is applied to a scanner, wherein the scanner comprises a scan bar, a manuscript table, a Near Field Communication (NFC) card reader and an NFC label; the NFC card reader is embedded in the scanning bar; the NFC label is fixedly arranged in a homing area of the manuscript table; the device comprises a judging module and a processing module, wherein,
the judgment module is used for judging whether the radio frequency tag information is matched with the radio frequency tag information of the NFC tag or not after receiving the radio frequency tag information sent by the NFC card reader;
the processing module is configured to determine that the scan bar is successfully reset when the judging module judges that the radio frequency tag information matches the radio frequency tag information of the NFC tag.
Further, the judging module is further configured to judge whether the scan bar is in a homing process before judging whether the radio frequency tag information matches the radio frequency tag information of the NFC tag, and execute the step of judging whether the radio frequency tag information matches the radio frequency tag information of the NFC tag when judging that the scan bar is in the homing process.
According to the homing method and device for the scanning bar and the scanner, the Near Field Communication (NFC) card reader and the NFC label are integrated on the scanner, the NFC card reader is embedded in the scanning bar and used for reading radio frequency label information and sending the radio frequency label information to the processor; the NFC label is fixedly arranged in the homing area of the manuscript table, so that the processor can judge whether the radio frequency label information is matched with the radio frequency label information of the NFC label after receiving the radio frequency label information sent by the NFC card reader, and when the radio frequency label information is judged to be matched with the radio frequency label information of the NFC label, the scanning bar is determined to be successfully homed. In this way, successful homing of the scanbars may be achieved.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a scanner provided in the present application;
FIG. 2 is a flowchart illustrating a scan bar homing method according to a first embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a first exemplary embodiment of a scan bar homing device provided in the present application.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
The application provides a scanning bar homing method, a scanning bar homing device and a scanner, so as to realize successful homing of a scanning bar.
Several specific embodiments are given below to describe the technical solutions of the present application in detail, and these specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Before introducing the scan bar homing method and apparatus provided by the present application, the following first introduces the scanner provided by the present application in detail:
fig. 1 is a schematic structural diagram of a first embodiment of a scanner provided in the present application. Referring to fig. 1, the scanner provided in this embodiment includes a scan bar 1, a platen 2, a processor (not shown in the figure), a near field communication NFC reader 3, and an NFC tag 4, wherein,
the NFC card reader 3 is embedded in the scanning bar 1 and used for reading radio frequency label information and sending the radio frequency label information to the processor;
the NFC tag 4 is fixedly arranged in a homing area 21 of the platen 2;
the processor is configured to determine whether the radio frequency tag information matches the radio frequency tag information of the NFC tag 4 after receiving the radio frequency tag information sent by the NFC card reader 3, and determine that the scan bar 1 is successfully returned when determining that the radio frequency tag information matches the radio frequency tag information of the NFC tag.
In particular, referring to fig. 1, an NFC reader 3 is embedded in the scan bar 1. It should be noted that the NFC reader 3 may be embedded in any position of the scan bar 1, for example, it may be embedded in the upper, lower or middle part of the scan bar 1 (the upper part of the paper in fig. 1 is the upper part of the scan bar). In the present embodiment, this is not limited. For example, in the example shown in fig. 1, the NFC reader 3 is embedded in the middle of the scan bar 1.
It should be noted that the reading distance of the NFC reader 3 can be adjusted by adjusting the radio frequency parameter of the NFC antenna in the NFC reader 3.
Further, the initial position of the scan bar 1 may be at the leftmost end of the scanner (the left portion of the paper in fig. 1 is the left end of the scan bar) and/or the rightmost end of the scanner. Accordingly, a non-light-transmitting region on the platen 2 corresponding to the initial position of the scan bar is referred to as a homing region (a region shown as 21 in fig. 1).
It should be noted that, when the initial position of the scan bar is the leftmost end of the scanner, the homing area on the platen is located at the left end of the platen, and at this time, the NFC tag is disposed in the homing area at the left end of the platen. Accordingly, when the initial position of the scan bar is the rightmost end of the scanner, the homing area on the platen is located at the right end of the platen, and at this time, the NFC tag is disposed in the homing area at the right end of the platen.
Of course, in the example shown in fig. 1, the platen includes a first parking area and a second parking area; the NFC tags comprise a first NFC tag and a second NFC tag, the first NFC tag is arranged in the first homing area, and the second NFC tag is arranged in the second homing area.
Specifically, the first homing area and the second homing area are homing areas at the left end and the right end of the platen, respectively, and at this time, the scan bar can be either homing to the left side or homing to the right side of the scanner.
It should be noted that, when the NFC tag includes a first NFC tag and a second NFC tag, the radio frequency tag information of the first NFC tag and the radio frequency tag information of the second NFC tag may be the same or different. In the present embodiment, this is not limited.
Further, in a specific implementation, the NFC tag may be fixedly disposed in the homing area of the platen by a fixing method such as engagement or adhesion.
With reference to fig. 1, a method for homing a scan bar of the scanner shown in fig. 1 is described below, specifically, radio frequency tag information of an NFC tag is recorded in the scanner, and when receiving the radio frequency tag information sent by the NFC card reader, a processor determines whether the radio frequency tag information matches the radio frequency tag information of the NFC tag for matching, and when determining matching, determines that the scan bar is successfully homed.
It should be noted that, when the scanner includes two NFC tags and the radio frequency standard information of the two NFC tags is different, at this time, the radio frequency tag information reported by the NFC card reader may be respectively matched with the radio frequency tag information of the first NFC tag and the radio frequency tag information of the second NFC tag, and when the radio frequency tag information reported by the NFC card reader is matched with the radio frequency tag information of any one NFC, it is determined that the scan bar is successfully reset.
In the scanner provided by this embodiment, the NFC card reader is embedded in the scan bar, and the NFC tag is set in the homing area of the platen. In this way, after receiving the radio frequency tag information sent by the NFC card reader, the processor determines that the scanning bar is successfully reset by judging whether the radio frequency tag information matches the radio frequency tag information of the NFC tag and when the radio frequency tag information matches the radio frequency tag information of the NFC tag, so that the scanning bar can be successfully reset.
Further, the processor is further configured to determine whether the scan bar is in a homing process after receiving the radio frequency tag information sent by the NFC card reader, and execute the step of determining whether the radio frequency tag information matches the radio frequency tag information of the NFC tag when determining that the scan bar is in the homing process.
For a specific implementation principle of determining whether the scan bar is in the homing process, reference may be made to the description in the related art, and details are not described here. For example, in one embodiment, a status parameter is recorded in the scanner, the status parameter being used to characterize whether the scan bar is in the scanning process or in the homing process, and from the status parameter, it can be determined whether the scan bar is in the homing process.
In the method provided by this embodiment, when it is determined that the scan bar is in the homing process, the step of determining whether the radio frequency tag information matches the radio frequency tag information of the NFC tag is performed. In this way, resources can be saved.
Optionally, in the scanner provided by the application, in order to improve the sensitivity of the NFC card reader, two NFC antenna coils may be arranged in the NFC card reader.
Optionally, a center line of the platen parallel to the running direction of the scanning bar is used as a reference line, and a difference between a distance from the NFC tag to the reference line and a distance from the NFC card reader to the reference line is smaller than a preset threshold.
Specifically, the preset threshold is set according to actual needs, and in this embodiment, a specific value of the preset threshold is not limited. For example, in one embodiment, the predetermined threshold is 5 mm.
In the method provided by this embodiment, a center line of the platen parallel to the running direction of the scan bar is used as a reference line, and the difference between the distance from the NFC tag to the reference line and the distance from the NFC reader to the reference line is smaller than a preset threshold value by setting the positions of the NFC tag and the NFC reader. Therefore, when the scanning bar is in the homing area, the NFC card reader can read the radio frequency tag information of the NFC tag.
Further, in a possible implementation manner, a connection line between the NFC tag and the NFC card reader is parallel to the running direction of the scan bar.
Specifically, the connection line between the NFC tag and the NFC reader may be a connection line between center points of the NFC tag and the NFC reader. In this embodiment, by setting the positions of the NFC tag and the NFC card reader, the connection line between the NFC tag and the NFC card reader is parallel to the running direction of the scan bar. Therefore, when the scanning bar is in the homing area, the NFC card reader can read the radio frequency tag information of the NFC tag.
In the above description, the scanner provided by the present application is introduced, and the scan bar homing method and apparatus provided by the present application are introduced as follows:
fig. 2 is a flowchart of a scan bar homing method according to a first embodiment of the present disclosure. The scan bar homing method provided by this embodiment is applied to the scanner shown in fig. 1, and the method may include:
S201, after receiving the radio frequency tag information sent by the NFC card reader, judging whether the scanning bar is in the homing process.
Specifically, the specific implementation principle of determining whether the scan bar is in the homing process may refer to descriptions in the related art, and details are not described here. For example, in one embodiment, a status parameter is recorded in the scanner, the status parameter being used to characterize whether the scan bar is in the scanning process or in the homing process, and from the status parameter, it can be determined whether the scan bar is in the homing process.
S202, if yes, judging whether the radio frequency tag information is matched with the radio frequency tag information of the NFC tag.
And S203, if so, determining the successful homing of the scanning bar.
Specifically, after the radio frequency tag information of the NFC tag is recorded in the scanner, when it is determined that the scan bar is in the homing process after the radio frequency tag information reported by the NFC card reader is received, the radio frequency tag information reported by the NFC card reader and the locally recorded radio frequency tag information of the NFC tag can be matched, and when the radio frequency tag information is matched, it is indicated that the radio frequency tag information currently read by the NFC card reader is the radio frequency tag information of the NFC tag, the NFC card reader is located in the homing area, the scan bar is located in the homing area, and the scan bar has successfully homed.
It should be noted that, when the scanner includes two NFC tags and the radio frequency tag information of the two NFC tags is different, at this time, the radio frequency tag information of the two NFC tags is recorded in the scanner, the radio frequency tag information reported by the NFC card reader may be respectively matched with the radio frequency tag information of the first NFC tag and the radio frequency tag information of the second NFC tag, and when the radio frequency tag information reported by the NFC card reader is matched with the radio frequency tag information of any one NFC, it is determined that the scan bar is successfully returned.
In the method for homing a scan bar provided by this embodiment, when receiving the radio frequency tag information sent by the NFC card reader, it is determined that the scan bar is successfully homed by determining whether the radio frequency tag information matches the radio frequency tag information of the NFC tag, and when determining that the radio frequency tag information matches the radio frequency tag information of the NFC tag. In this way, successful homing of the scanbars may be achieved.
Fig. 3 is a schematic structural diagram of a first exemplary embodiment of a scan bar homing device provided in the present application. Referring to fig. 3, the apparatus provided in this embodiment may be applied to a scanner, where the scanner includes a scan bar, a platen, a NFC card reader and an NFC tag; the NFC card reader is embedded in the scanning bar; the NFC label is fixedly arranged in a homing area of the manuscript table; the apparatus comprises a determining module 301 and a processing module 302, wherein,
The judging module 301 is configured to judge whether the radio frequency tag information matches the radio frequency tag information of the NFC tag after receiving the radio frequency tag information sent by the NFC card reader;
the processing module 302 is configured to determine that the scan bar is successfully returned when the determining module determines that the radio frequency tag information matches the radio frequency tag information of the NFC tag.
The apparatus of this embodiment may implement the technical solution of the method embodiment shown in fig. 2, and the implementation principle and the technical effect are similar, which are not described herein again.
Further, the determining module 301 is further configured to determine whether the scan bar is in a homing process before determining whether the radio frequency tag information matches the radio frequency tag information of the NFC tag, and execute the step of determining whether the radio frequency tag information matches the radio frequency tag information of the NFC tag when determining that the scan bar is in the homing process.
The present application also provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of any of the scan bar homing methods provided herein.
In particular, computer-readable media suitable for storing computer program instructions and data include all forms of non-volatile memory, media and memory devices, including by way of example semiconductor memory devices (e.g., EPROM, EEPROM, and flash memory devices), magnetic disks (e.g., internal hard disk or removable disks), magneto-optical disks, and CD ROM and DVD-ROM disks.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.
Claims (7)
1. A scanner comprises a scanning bar, a manuscript table and a processor, and is characterized in that the scanner is further integrated with a Near Field Communication (NFC) card reader and an NFC label, wherein,
the NFC card reader is embedded in the scanning bar and used for reading radio frequency label information and sending the radio frequency label information to the processor;
the NFC label is fixedly arranged in the homing area of the manuscript table;
the processor is configured to determine whether the scan bar is in a homing process after receiving the radio frequency tag information sent by the NFC card reader, determine whether the radio frequency tag information matches the radio frequency tag information of the NFC tag when determining that the scan bar is in the homing process, and determine that the scan bar is successfully homed when determining that the radio frequency tag information matches the radio frequency tag information of the NFC tag.
2. The scanner of claim 1, wherein a difference between a distance from the NFC tag to the reference line and a distance from the NFC reader to the reference line is smaller than a preset threshold value, taking a center line of the platen parallel to a moving direction of the scan bar as a reference line.
3. The scanner of claim 1, wherein a line connecting the NFC tag and the NFC reader is parallel to a scan bar running direction.
4. The scanner of claim 1, wherein the platen includes a first parking area and a second parking area; the NFC tags comprise a first NFC tag and a second NFC tag, the first NFC tag is arranged in the first homing area, and the second NFC tag is arranged in the second homing area.
5. The scanner of claim 4, wherein the radio frequency tag information of the first NFC tag and the radio frequency tag information of the second NFC tag are the same;
in the alternative, the first and second sets of the first and second sets of the first and second sets of the first and second sets of the first and second sets of the first and second sets of the second,
the radio frequency tag information of the first NFC tag is different from the radio frequency tag information of the second NFC tag.
6. A method for homing a scan bar is applied to a scanner, wherein the scanner comprises the scan bar, a manuscript table, a Near Field Communication (NFC) card reader and an NFC label, and the NFC card reader is embedded in the scan bar; the NFC label is fixedly arranged in a homing area of the manuscript table; the method comprises the following steps:
after receiving the radio frequency tag information sent by the NFC card reader, judging whether the scanning bar is in a homing process;
If so, the user can use the method,
judging whether the radio frequency tag information is matched with the radio frequency tag information of the NFC tag;
and if so, determining that the scanning bar is successfully reset.
7. The scanning bar homing device is applied to a scanner, wherein the scanner comprises a scanning bar, a manuscript table, a Near Field Communication (NFC) card reader and an NFC label; the NFC card reader is embedded in the scanning bar; the NFC label is fixedly arranged in a homing area of the manuscript table; the device comprises a judging module and a processing module, wherein,
the judging module is used for judging whether the scanning bar is in a homing process after receiving the radio frequency tag information sent by the NFC card reader, and judging whether the radio frequency tag information is matched with the radio frequency tag information of the NFC tag when judging that the scanning bar is in the homing process;
the processing module is configured to determine that the scan bar is successfully reset when the judging module judges that the radio frequency tag information matches the radio frequency tag information of the NFC tag.
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| CN202011025524.8A CN112118362B (en) | 2020-09-25 | 2020-09-25 | Scanning bar homing method and device and scanner |
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| CN202011025524.8A CN112118362B (en) | 2020-09-25 | 2020-09-25 | Scanning bar homing method and device and scanner |
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| CN112118362B true CN112118362B (en) | 2022-07-29 |
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| CN101510929A (en) * | 2008-02-12 | 2009-08-19 | 精工爱普生株式会社 | Image reading device, image reading method, and image reading program |
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| CN100454959C (en) * | 2004-09-10 | 2009-01-21 | 虹光精密工业（苏州）有限公司 | Scanner with fast addressing function and method thereof |
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| JP6565741B2 (en) * | 2016-03-03 | 2019-08-28 | 京セラドキュメントソリューションズ株式会社 | Image reading apparatus and program |
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|---|---|---|---|---|
| CN2546957Y (en) * | 2000-07-14 | 2003-04-23 | 致伸实业股份有限公司 | Platform scanner with electric machine type sensor |
| JP2006272769A (en) * | 2005-03-29 | 2006-10-12 | Konica Minolta Business Technologies Inc | Image forming device |
| CN101510929A (en) * | 2008-02-12 | 2009-08-19 | 精工爱普生株式会社 | Image reading device, image reading method, and image reading program |
| CN101262543A (en) * | 2008-04-07 | 2008-09-10 | 苏州佳世达电通有限公司 | Resetting method for scanning device and scanning module |
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