CN107094067A - A kind of scanning information transfer approach and its scanner - Google Patents
A kind of scanning information transfer approach and its scanner Download PDFInfo
- Publication number
- CN107094067A CN107094067A CN201710220638.XA CN201710220638A CN107094067A CN 107094067 A CN107094067 A CN 107094067A CN 201710220638 A CN201710220638 A CN 201710220638A CN 107094067 A CN107094067 A CN 107094067A
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- China
- Prior art keywords
- scanning information
- scanning
- send
- scanner
- signal
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1809—Selective-repeat protocols
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/17—Image acquisition using hand-held instruments
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Facsimiles In General (AREA)
Abstract
The invention discloses a kind of scanning information transfer approach, this method is that scan image is converted into scanning information；Store the scanning information；Send the scanning information；Judge whether the scanning information sends success；If the scanning information is sent successfully, the scanning information is labeled as " transmission "；If the scanning information does not send success, continue transmission and do not send the successful scanning signal.The invention also discloses a kind of scanner.The scanner of the present invention can determine whether whether scanning information is sent to receiving terminal when sending scanning information, when scanning information is not sent to receiving terminal, and successful scanning information is not sent can continue transmission, until receiving terminal, which is received, scans the scanning information.Solve that scanner wirelessly transmitting data is unstable to cause the problem of receiving terminal can not receive data completely.
Description
Technical field
The present invention relates to bar code scanning field, more particularly to a kind of scanning information transfer approach and its scanner.
Background technology
Scanner is a kind of equipment of reading bar code, generally passes through USB or com port and dataphone.When scanner and electricity
When brain is distant, wiring just seems complicated and in disorder., it is necessary to which a kind of invisible communication is swept especially in query facility of tracing to the source
Rifle is retouched, problem can be solved.
In the prior art, Publication No. CN103065117B Chinese invention patent discloses a kind of bluetooth scanner, bag
A printer main body and its internal printer circuitry are included, the bluetooth scanner is additionally provided with bluetooth sending module, and bluetooth connects
Receive module and single-chip microcomputer；The bluetooth sending module is installed on scanner, and printer circuitry, bluetooth are connected to by single-chip microcomputer
Receiving module is installed on host computer；After scanner distinguishes bar code, data, distal end are sent by bluetooth sending module
Bluetooth receptions module receive after Bluetooth signal, send serial data to host computer.The beneficial effects of the present invention are：Will
Scanner adds a bluetooth module, can enter with other equipment with Bluetooth function, such as mobile phone, computer, enquiry machine
Row wireless telecommunications, increase scanner application.
But, there is unstability in bluetooth communication, tranmitting frequency is unstable first, and recipient's demodulation will be caused wrong
By mistake；Secondly, bluetooth is a kind of short-distance wireless communication technology, when the distance of scanner and reception device exceedes transmission range,
The data message that scanner is sent can not be sent to reception device, cause data acquisition to fail.
The content of the invention
The purpose of the present invention one is to provide a kind of scanning information transfer approach, which solves scanner wirelessly transmitting data not
It is stable to cause the problem of receiving terminal receive data completely.
The present invention above-mentioned technical purpose one technical scheme is that：
A kind of scanning information transfer approach, methods described is that scan image is converted into scanning information；The storage scanning letter
Breath；Send the scanning information；Judge whether the scanning information sends success；If the scanning information is sent successfully, institute
Scanning information is stated labeled as " transmission "；If the scanning information does not send success, continue transmission and do not send successfully described
Scanning signal.
Further, the scanning information is labeled as not continuing to send after " transmission ".
Further, described to judge whether the scanning information sends successful step and include, detecting whether to receive is used for
Reflection receiving terminal has been received by the feedback signal of the scanning signal.
Further, sent immediately after the scanning signal storage.
Further, the continuation transmission does not send the successful scanning signal step and included, after certain interval of time
Again automatic send does not send the successful scanning signal, so circulation until the scanning signal is sent successfully.
Further, the continuation transmission does not send the successful scanning signal step and included, and sends do not send manually
The success scanning signal.
The purpose of the present invention two is to provide a kind of scanner, which solves that scanner wirelessly transmitting data is unstable to be caused to connect
Receive the problem of terminal can not receive data completely.
The present invention above-mentioned technical purpose two technical scheme is that：
A kind of scanner, including, scanning element, for scan image to be converted into scanning information；Memory cell, for storing
State scanning information；Transmitting element, for sending the scanning information；Processing unit, for judging whether the scanning information is sent out
Success is sent, if the scanning information is sent successfully, the scanning information is labeled as " transmission "；If the scanning information is not sent out
Success is sent, then continues transmission and does not send the successful scanning signal.
Further, in addition to for receiving the reception device of the scanning information, when the reception device receives institute
State after scanning information, send feedback signal.
Further, the scanner also includes receiving unit, for receiving the feedback signal.
In summary, the invention has the advantages that：The scanner of the present invention can determine whether when sending scanning information
Whether scanning information is sent to receiving terminal, and when scanning information is not sent to receiving terminal, successful scanning information is not sent
It can continue to send, until receiving terminal, which is received, scans the scanning information.Solve scanner wirelessly transmitting data unstable
Cause the problem of receiving terminal can not receive data completely.
Brief description of the drawings
Fig. 1 is the conceptual schema of the inventive method；
Fig. 2 is the conceptual schema of scanner structure.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the protection domain of invention by Patent Law.
Embodiment one：
A kind of scanning information transfer approach, including：Scan image is converted into scanning information；Store the scanning information；Send
The scanning information；Judge whether the scanning information sends success；If the scanning information is sent successfully, the scanning letter
Breath is labeled as " transmission "；If the scanning information does not send success, continue transmission and do not send the successful scanning signal.
Method in reference picture 1, the present embodiment comprises the following steps：
Step 101, scan image is converted into scanning information.
In an embodiment of the present invention, the optical signal detected is converted into electric signal using photoelectric cell, then by telecommunications
Number be converted into digital data transmission by analog-digital converter is handled into computer.When a sub-picture is scanned, light
Source is irradiated to back reflection light on image and converged to through lens in scanning module, and optical signal is converted into by scanning module to simulate number
Word signal（That is voltage, the intensity of its light with receiving is relevant）, while pointing out that as the gloomy degree of number.At this time mould
Analog voltage is converted into digital signal by plan-digital conversion circuit, and this digital signal is both the scanning information in above-mentioned steps.
A bar code or other images are scanned, a corresponding scanning information will be produced.
Step 102, the scanning information is stored.
In an embodiment of the present invention, scanning information is stored, it is to avoid scanning information is lost.It is easy to follow-up hair
Send.
Step 103, the scanning information is sent.
In an embodiment of the present invention, scanning information step 102 stored is sent, and this transmission is instantaneity, when
After scanning information storage, scanning information is sent at once.So as to realize the function of receiving terminal instant playback scanning information.
Step 104, judge whether the scanning information sends success.
In an embodiment of the present invention, judge whether scanning information sends successfully foundation and be：Whether feedback letter is received
Number, this feedback signal represents that receiving terminal has been received that scanning signal, that is to say, that scanning signal is sent successfully.
Step 105, if scanning information is sent successfully, scanning information is labeled as " transmission ".
In an embodiment of the present invention, when scanning information is sent successfully, the successful scanning information of this transmission can be marked
For " transmission ", just the signal need not be sent again.Certainly because scanning information stores, therefore needing to call these
During the scanning information being stored in electron gun, electron gun is manually operable, scanning information is sent.One of advantage so set exists
In if during receiving terminal (such as computer) accident loss scanning information, scanning information in scanner can be sent again, so as to avoid
Information is lost.
Step 106, if scanning information does not send success, continue transmission and do not send successful scanning signal.
In an embodiment of the present invention, when scanning information does not send success, the scanning information will not be marked as " having sent out
Send ", therefore two states are just only existed in the scanning information of storage, the scanning information for being marked with " transmission " is exactly " to have sent out
Send " success status, the scanning information for being not marked with " transmission " is exactly not send state.And do not send then may proceed to send,
Until scanning signal is sent successfully.
In another embodiment of the invention, scanning information labeled not three states, the scanning information quilt not sent also
It is exactly not send state labeled as " not sending ", and the scanning information being transmitted across is marked as " transmission " and " sends and lose
Lose ", represent send success status and transmission status of fail respectively.When handling scanning signal, scanned according to computer instant playback
The need for information, it is sent instantaneously labeled as the scanning information of " not sending "；No longer sent out labeled as the scanning information of " transmission "
Send；Labeled as the scanning information of " sending failure ", then continue to send, until sending successfully.
In another embodiment of the invention, can be through super-interval when continuing to send labeled as the scanning information for sending failure
One end time retransmits.The effect of power saving can be played.
The concrete technical problems and solution that the present invention is solved are as follows：
Technical problem and solution one：Scanner points out the information to bar code to complete to gather by display lamp, but due to
It is wirelessly transferred itself unstable or be interfered, although scanner is sent to scanning information, and reception device does not connect
Scanning signal is received, so that scanning signal can not typing computer or other equipment.In above mentioned problem, scanner it is scanned
Journey does not go wrong, but there is a problem when sending scanning signal.At this moment, for existing scanner, need
Again bar code be scanned and retransmited, scanning information typing computer is made in signal stabilization, scanning barcode is added again
The workload of operating personnel.And the scanner of the present invention can detect scanning signal in scanner and whether send success, in scanning letter
Number sending the follow-up supervention of failure send scanning signal, until scanning signal is sent successfully, it is to avoid to the rescan of same bar code,
Reduce workload.
Technical problem and solution two：Need scanning article the reason such as be inconvenient to move because weight is larger may be from
The reception device of scanning signal needs to hold scanner farther out, at this moment to be scanned to the position that the article is placed to its bar code.
Wherein, the distance of article and reception device is more than the coverage being wirelessly transferred, and the scanning information that scanner is sent is due to distance
Problem and reception device can not be sent to.The scanner of the present invention first can be stored scanning information, while lasting send is swept
Retouch signal, when rifle to be scanned returns to reception device and can received in the range of scanning signal, scanning signal is successfully sent to
Reception device, scanning information typing apparatus such as computer.
Embodiment two：
A kind of scanner, reference picture 2, including scanning element 201, for scan image to be converted into scanning information；Memory cell
202, for storing scanning information；Transmitting element 203, for sending scanning information；Processing unit 204, for judging scanning letter
Whether breath sends success, if scanning information is sent successfully, and scanning information is labeled as " transmission "；If scanning information is not sent into
Work(, then continue transmission and do not send the successful scanning signal；Receiving unit 205, for receiving feedback signal.
Also include the reception device 206 for being used to receive scanning information, after reception device receives scanning information, send anti-
Feedback signal.
In an embodiment of the present invention, scanning element 201 mainly realizes the function that image is converted into digital signal, and its is hard
Part structure is identical with existing scanner, is not added with repeating here, and the main hardware of memory cell 202 is NVRAM or other are readable
Writeable storage hardware, the main hardware of transmitting element 203 is Bluetooth signal transmitter, but is not limited to bluetooth transmitters, can also
It is infrared transmitter etc., corresponding reception device main hardware is Bluetooth signal receiver, in order to send feedback signal, receives dress
Put 206 and also there is Bluetooth signal transmitter.The main hardware of receiving unit 205 is Bluetooth signal receiver.Processing unit 204
Main hardware is microprocessor.
In an embodiment of the present invention, be provided with USB port in reception device, can by the reception device 206 and computer or
Other equipment is connected.But it is not limited to this serial ports connected mode.
Various illustrative logical blocks, module, circuit, element and/or the component described with reference to embodiments disclosed herein is equal
Can be by general processor, digital signal processor (DSP), application specific integrated circuit (ASIC), field programmable gate array
(FPGA) or other programmable logic components, discrete gate or transistor logic, discrete hardware components or it is designed to perform this paper
Any combinations of described function are practiced or carried out.General processor can be microprocessor, but another selection is, the place
It can be any conventional processor, controller, microcontroller or state machine to manage device.Processor can also be embodied as computation module
Combination, such as DSP and microprocessor combination, the combination of multi-microprocessor, one or more microprocessors and DSP core
The joint of the heart or any other this configuration.
With reference to embodiments disclosed herein describe method or algorithm can be directly contained in hardware, can be by computing device
In the combination of software module or both.Software module can reside in RAM memory, flash memory, ROM memory, EPROM and deposit
In reservoir, eeprom memory, register, hard disc, removable disk, CD-ROM or art it is known it is any its
In the computer-readable media of its form.Computer-readable media can be coupled to the processor so that the processor can be from meter
Calculation machine readable media reads information and writes information to the computer-readable media.Or, computer-readable media can collect
Into to processor.
Claims (9)
1. a kind of scanning information transfer approach, it is characterized in that：Methods described is,
Scan image is converted into scanning information；
Store the scanning information；
Send the scanning information；
Judge whether the scanning information sends success；
If the scanning information is sent successfully, the scanning information is labeled as " transmission "；If the scanning information is not sent
Success, then continue transmission and do not send the successful scanning signal.
2. according to the method described in claim 1, it is characterized in that：The scanning information is labeled as after " transmission " not continuing to hair
Send.
3. a kind of scanning information transfer approach according to claim 1 and its scanner, it is characterized in that：Described in the judgement
Whether scanning information, which sends successful step, includes, and detects whether to receive for reflecting that receiving terminal has been received by the scanning signal
Feedback signal.
4. a kind of scanning information transfer approach according to claim 1 and its scanner, it is characterized in that：The scanning signal
Sent immediately after storage.
5. a kind of scanning information transfer approach according to claim 1 and its scanner, it is characterized in that：It is described to continue to send
Not sending the successful scanning signal step includes, and automatic send does not send successfully described sweep again after certain interval of time
Signal is retouched, so circulation is until the scanning signal is sent successfully.
6. a kind of scanning information transfer approach according to claim 1 and its scanner, it is characterized in that：It is described to continue to send
Not sending the successful scanning signal step includes, and sends do not send successfully the scanning signal manually.
7. a kind of scanner, it is characterized in that：Including,
Scanning element, for scan image to be converted into scanning information；
Memory cell, for storing the scanning information；
Transmitting element, for sending the scanning information；
Processing unit, it is described to sweep if the scanning information is sent successfully for judging whether the scanning information sends success
Information flag is retouched for " transmission "；If the scanning information does not send success, continue transmission and do not send the successful scanning
Signal.
8. scanner according to claim 7, it is characterized in that：Also include the reception dress for being used to receive the scanning information
Put, after the reception device receives the scanning information, send feedback signal.
9. scanner according to claim 8, it is characterized in that：The scanner also includes receiving unit, for receiving
State feedback signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710220638.XA CN107094067A (en) | 2017-04-06 | 2017-04-06 | A kind of scanning information transfer approach and its scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710220638.XA CN107094067A (en) | 2017-04-06 | 2017-04-06 | A kind of scanning information transfer approach and its scanner |
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| Publication Number | Publication Date |
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| CN107094067A true CN107094067A (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710220638.XA Pending CN107094067A (en) | 2017-04-06 | 2017-04-06 | A kind of scanning information transfer approach and its scanner |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189020A (en) * | 1996-10-16 | 1998-07-29 | 松下电器产业株式会社 | Communication system for wireless bar code reader |
| CN201111079Y (en) * | 2007-09-13 | 2008-09-03 | 肖辉 | Wireless bar code recognizer |
| CN201820243U (en) * | 2010-09-27 | 2011-05-04 | 郑哲 | Wireless barcode scanning image acquisition system |
| CN202205212U (en) * | 2011-07-25 | 2012-04-25 | 李文庆 | Wireless barcode scanner |
| CN202394243U (en) * | 2011-12-02 | 2012-08-22 | 惠州Tcl移动通信有限公司 | Scanning system based on mobile terminal |
| CN103065117A (en) * | 2013-01-17 | 2013-04-24 | 江苏省农业科学院 | Bluetooth scanning gun |
| CN104504357A (en) * | 2014-12-23 | 2015-04-08 | 福建新大陆自动识别技术有限公司 | Automatic barcode scanner and scanning method |
| CN205121581U (en) * | 2015-11-02 | 2016-03-30 | 珠海市台金科技有限公司 | No line sweep rifle |
| CN205809878U (en) * | 2016-06-01 | 2016-12-14 | 曾平桂 | Bar code scanner |
| CN106372685A (en) * | 2016-08-29 | 2017-02-01 | 李玮 | Code scanning method and code scanning device |
-
2017
- 2017-04-06 CN CN201710220638.XA patent/CN107094067A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189020A (en) * | 1996-10-16 | 1998-07-29 | 松下电器产业株式会社 | Communication system for wireless bar code reader |
| CN201111079Y (en) * | 2007-09-13 | 2008-09-03 | 肖辉 | Wireless bar code recognizer |
| CN201820243U (en) * | 2010-09-27 | 2011-05-04 | 郑哲 | Wireless barcode scanning image acquisition system |
| CN202205212U (en) * | 2011-07-25 | 2012-04-25 | 李文庆 | Wireless barcode scanner |
| CN202394243U (en) * | 2011-12-02 | 2012-08-22 | 惠州Tcl移动通信有限公司 | Scanning system based on mobile terminal |
| CN103065117A (en) * | 2013-01-17 | 2013-04-24 | 江苏省农业科学院 | Bluetooth scanning gun |
| CN104504357A (en) * | 2014-12-23 | 2015-04-08 | 福建新大陆自动识别技术有限公司 | Automatic barcode scanner and scanning method |
| CN205121581U (en) * | 2015-11-02 | 2016-03-30 | 珠海市台金科技有限公司 | No line sweep rifle |
| CN205809878U (en) * | 2016-06-01 | 2016-12-14 | 曾平桂 | Bar code scanner |
| CN106372685A (en) * | 2016-08-29 | 2017-02-01 | 李玮 | Code scanning method and code scanning device |
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| PB01 | Publication | ||
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Application publication date: 20170825 |