CN109409151A - Intelligent multi-function scanner - Google Patents

Intelligent multi-function scanner Download PDF

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Publication number
CN109409151A
CN109409151A CN201811137398.8A CN201811137398A CN109409151A CN 109409151 A CN109409151 A CN 109409151A CN 201811137398 A CN201811137398 A CN 201811137398A CN 109409151 A CN109409151 A CN 109409151A
Authority
CN
China
Prior art keywords
scanner
circuit
sent
governor circuit
intelligent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811137398.8A
Other languages
Chinese (zh)
Inventor
刘连生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Scarlett Ticket (tianjin) Check Quancun Technology Co Ltd
Original Assignee
Scarlett Ticket (tianjin) Check Quancun Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Scarlett Ticket (tianjin) Check Quancun Technology Co Ltd filed Critical Scarlett Ticket (tianjin) Check Quancun Technology Co Ltd
Priority to CN201811137398.8A priority Critical patent/CN109409151A/en
Publication of CN109409151A publication Critical patent/CN109409151A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10712Fixed beam scanning
    • G06K7/10722Photodetector array or CCD scanning
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10366Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications
    • G06K7/10376Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being adapted for being moveable
    • G06K7/10386Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being adapted for being moveable the interrogation device being of the portable or hand-handheld type, e.g. incorporated in ubiquitous hand-held devices such as PDA or mobile phone, or in the form of a portable dedicated RFID reader
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10881Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners

Abstract

The invention proposes a kind of intelligent multi-function scanner include be set to CCD scanning module at the top of scanner, the RFID scanning module that is set to scanner back, button assembly, MCU governor circuit, liquid crystal display, telecommunication circuit and for providing the power circuit of power supply;It is provided with CCD scanning module in scanner and RFID scanning module has scanning bar code and RFID electronic label dual function;It is shown in time provided with information of the liquid crystal display to display;And button assembly is provided in scanner, it is realized using fingerprint key to scanner user identity identification.

Description

Intelligent multi-function scanner
Technical field
The present invention relates to scanner technical field, in particular to a kind of intelligent multi-function scanner.
Background technique
Bar code has been adopted by logistic information systems as a kind of data input means in time, accurate, reliable, economic With.In the national popularization and application of industry prosperity, it has also become the exclusive world of commodity general " identity card ".With bar code The use of circulation and POS machine, scanner play important role in bar code identification, and bar code identification applies in logistics, surpasses When city, restaurant etc. consume place, since scanner is to be used by special messenger, and the information of bar code identification is related with spending amount, Therefore, must have special authorization using the personnel of scanner just can be used, or work as needs in logistics and transportation industry again When using scanner under specific circumstances, need to verify the identity of user of service, under normal circumstances for user of service's identity Verifying generally uses radio-frequency card, but radio-frequency card has circulation, no matter who is found, and can use, therefore use radio-frequency card Irrelevant personnel can not fundamentally be prevented and falsely use the behavior that scanner carries out faulty operation;On the other hand existing scanner is simultaneously Do not have scanning bar code and RFID electronic label dual function, and is generally not provided with liquid crystal display on scanner, it cannot be right The information of display is shown in time, while when scanner connects other equipment, cannot be directly connected to must have PC machine progress Data relay transmission, thus caused scanning machine cannot be used alone, it is necessary to PC machine be cooperated just to be able to achieve scan data export.
Summary of the invention
The purpose of the present invention aims to solve at least one of the technological deficiency.
For this purpose, being provided in scanner an object of the present invention is to provide a kind of intelligent multi-function scanner CCD scanning module and RFID scanning module have scanning bar code and RFID electronic label dual function, while being provided with liquid crystal Display screen shows the information of display in time;And button assembly is provided in scanner, it is realized using fingerprint key to sweeping Retouch rifle user identity identification.
To achieve the goals above, the embodiment of one aspect of the present invention provides a kind of intelligent multi-function scanner, including It is set to the CCD scanning module at the top of scanner, the RFID scanning module for being set to scanner back, button assembly, MCU master control Circuit, liquid crystal display, telecommunication circuit and for providing the power circuit of power supply;The CCD scanning module is for acquiring wait know The Item Information that other article carries, the RFID scanning module are used to acquire the object that the RFID electronic label of article to be identified carries Product information;The Item Information of identification is sent to MCU governor circuit by the CCD scanning module and RFID scanning module;It is described to press Key asembly is used to acquire the control instruction of user's key entry, carries out human-computer interaction, and control instruction is sent to MCU governor circuit; The MCU governor circuit is used to receive the Item Information that CCD scanning module and RFID scanning module are sent, the MCU master control electricity The Item Information received is sent to telecommunication circuit by road;The Item Information received is converted into display information simultaneously, and will Display information is sent to liquid crystal display and is shown;The MCU governor circuit receives the control instruction that button assembly is keyed in, and The display timing of the display information is adjusted according to control instruction, and display information adjusted is sent to liquid crystal display;Institute Telecommunication circuit is stated for being communicated with RFID electronic label or host computer, Item Information will be received and be sent to host computer.
Preferably, the telecommunication circuit includes 433M wireless radio frequency modules, 3G communication module and OTG-USB communication module; The 433M wireless radio frequency modules are used to acquire the Item Information of RFID electronic label carrying, and the Item Information of acquisition is sent To MCU governor circuit;The 3G communication module with host computer for communicating, and the Item Information that MCU governor circuit is acquired is sent out It send to host computer;The OTG-USB communication module is used to scanner and host computer carrying out wired connection, and MCU master control is electric The Item Information of road acquisition is sent to host computer.
In any of the above-described scheme preferably, the button assembly includes switch key, return key, entree singly-bound, answers With Menu key and fingerprint collecting key;The power circuit of the switch key and scanner connection, for controlling scanner switching on and shutting down; The display information of the main menu key control liquid crystal display is back to main menu;The main menu includes user management module; The user management module is for instructing user to complete fingerprint typing.The fingerprint collecting is keyed fingerprint recognition circuit, is used for The finger print information that identification user presses, and finger print information is sent to MCU governor circuit.
In any of the above-described scheme preferably, the side of the fingerprint collecting key is additionally provided with infrared temperature collector, institute The output end connection MCU governor circuit of infrared temperature collector is stated, the infrared temperature collector is for acquiring pressed finger The temperature of line object, and the temperature of acquisition is sent to MCU governor circuit, the MCU governor circuit is acquired according to infrared temperature Device acquisition temperature judgement press fingerprint object whether finger.
In any of the above-described scheme preferably, the fingerprint collecting key uses the fingerprint sensing of model FPC1011F Device;The fingerprint identification controller uses the fingerprint recognition chip of model AS602.
In any of the above-described scheme preferably, the OTG-USB communication module include 2 line I2C serial line interfaces, it is linear steady Depressor, USB-OTG transceiver and USB controller;The USB-OTG transceiver is connect with USB controller;The USB controller It is connect with the data communication interface of MCU governor circuit;The input terminal of the 2 line I2C serial line interface connection linear voltage regulator, it is described The output end of linear voltage regulator connects USB-OTG transceiver.
In any of the above-described scheme preferably, the telecommunication circuit further includes WIFI telecommunication circuit;The WIFI communication Circuit is connect with MCU governor circuit.
In any of the above-described scheme preferably, the power circuit includes power management chip and lithium electrical storage cell;Institute Binding temperature sensor on lithium electrical storage cell is stated, the temperature sensor connects MCU governor circuit;The MCU governor circuit with Power management chip connection.
In any of the above-described scheme preferably, the power management chip uses the power supply of model QFN48-AXP209 Managing chip.
In any of the above-described scheme preferably, the IRQ pin of the power management chip connects first diode;It is described First diode reverse leakage at 75 degrees Celsius of environment temperature is less than 5uA.
A kind of intelligent multi-function scanner provided according to embodiments of the present invention, at least has compared to existing scanner There is advantage:
1, it is provided with CCD scanning module in scanner and RFID scanning module has scanning bar code and RFID electronic label Dual function;
2, it is shown in time provided with information of the liquid crystal display to display;And key group is provided in scanner Part is realized using fingerprint key to scanner user identity identification.
3, it is provided with temperature sensor in a power, and two poles of protection are set in the interrupt pin of power management chip Pipe, when the environment temperature of battery is more than 75 degree, scanner starts automatic protection.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 is a kind of structural schematic diagram of intelligent multi-function scanner provided in an embodiment of the present invention;
Fig. 2 is a kind of circuit connection structure block diagram of intelligent multi-function scanner provided in an embodiment of the present invention;
Fig. 3 is a kind of circuit of the OTG-USB communication module of intelligent multi-function scanner provided in an embodiment of the present invention Schematic diagram;
Fig. 4 is a kind of power management chip circuit theory of intelligent multi-function scanner provided in an embodiment of the present invention Figure;
In figure:
1, switch key;2, return key;3, entree singly-bound;4, application menu key;5, liquid crystal display;6, CCD scans mould Group;7, RFID scanning module;8, OTG-USB communication module;
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
As shown in Figs. 1-2, a kind of intelligent multi-function scanner of the embodiment of the present invention, including be set at the top of scanner CCD scanning module 6, be set to scanner back RFID scanning module 7, button assembly, MCU governor circuit, liquid crystal display Shield 5, telecommunication circuit and for providing the power circuit of power supply;The CCD scanning module 6 is used to acquire what article to be identified carried Item Information, the RFID scanning module 7 are used to acquire the Item Information that the RFID electronic label of article to be identified carries;It is described The Item Information of identification is sent to MCU governor circuit by CCD scanning module 6 and RFID scanning module 7;The button assembly is used for The control instruction that user keys in is acquired, carries out human-computer interaction, and control instruction is sent to MCU governor circuit;The MCU master control Circuit is used to receive the Item Information that CCD scanning module 6 and RFID scanning module 7 are sent, and the MCU governor circuit will receive Item Information be sent to telecommunication circuit;The Item Information received is converted into display information simultaneously, and will display information hair It send to liquid crystal display 5 and is shown;The MCU governor circuit receives the control instruction that button assembly is keyed in, and according to control The display timing of the instruction adjustment display information, and display information adjusted is sent to liquid crystal display 5;The communication electricity Road will receive Item Information and be sent to host computer for being communicated with RFID electronic label or host computer.
In the present embodiment, scanning module is scanned cargo to be identified, and the signal scanned is sent to AD Conversion circuit carries out analog-to-digital conversion, and the digital signal after conversion is sent to MCU controller by A/D converter circuit;MCU controller will The digital signal received is sent to liquid crystal display 5;The information scanned by 5 Duis of liquid crystal display is shown.Such as Fig. 1 institute Show,
The button assembly includes but is not limited to switch key 1, return key 2, entree singly-bound 3, application menu key 4, fingerprint Acquire key and acknowledgement key;The switch key 1 is connect with the power circuit of scanner, for controlling scanner switching on and shutting down;User By long-pressing switch key 1 and short-press switch key 1 when use, triggering is carried out to power circuit and realizes switching on and shutting down;The entree The display information that singly-bound 3 controls liquid crystal display 5 is back to main menu;The main menu includes user management module;The use Family management module is for instructing user to complete fingerprint typing.The fingerprint collecting is keyed fingerprint recognition circuit, uses for identification The finger print information that family is pressed, and finger print information is sent to MCU governor circuit.After booting, when using barcode scanning gun for the first time, press After switching on and shutting down key, entree singly-bound 3 is pressed, first by pressing fingerprint in fingerprint recognition key under user management module On, fingerprint recognition is acquired the fingerprint pressed by key connection fingerprint recognition chip, and connects AD by fingerprint recognition chip Finger print information is carried out analog signal-digital signal and converted, and is sent to MCU governor circuit, MCU governor circuit by conversion circuit After carrying out identification storage to the fingerprint of user, user presses fingerprint again, identification can be carried out, after identity validation passes through It can trigger MCU governor circuit, start to scan.
To prevent irrelevant personnel from making fingerprint gloves using the fingerprint for having been acknowledged identity, to be missed using scanner Operation, is preferably, the side of the fingerprint collecting key is additionally provided with infrared temperature collector, the infrared temperature in the above scheme The output end for spending collector connects MCU governor circuit, and the infrared temperature collector is for acquiring pressed fingerprint object Temperature, and the temperature of acquisition is sent to MCU governor circuit, what the MCU governor circuit was acquired according to infrared temperature collector Temperature judgement press fingerprint object whether finger.Further, the fingerprint collecting key is passed using the fingerprint of model FPC1011F Sensor;The fingerprint identification controller uses the fingerprint recognition chip of model AS602.
As shown in figure 3, the telecommunication circuit includes 433M less radio-frequency mould in a preferred embodiment of the invention Block, 3G communication module and OTG-USB communication module 8;The 433M wireless radio frequency modules are for acquiring RFID electronic label carrying Item Information, and the Item Information of acquisition is sent to MCU governor circuit;The 3G communication module is used for logical with host computer Letter, and the Item Information that MCU governor circuit acquires is sent to host computer;The OTG-USB communication module 8 is used for scanner Wired connection is carried out with host computer, and the Item Information that MCU governor circuit acquires is sent to host computer.The OTG-USB is logical Believe that module 8 includes 2 line I2C serial line interfaces, linear voltage regulator, USB-OTG transceiver and USB controller;The USB-OTG transmitting-receiving Device is connect with USB controller;The USB controller is connect with the data communication interface of MCU governor circuit;The 2 line I2C is serial Interface connects the input terminal of linear voltage regulator, and the output end of the linear voltage regulator connects USB-OTG transceiver.The communication electricity Road further includes WIFI telecommunication circuit;The WIFI telecommunication circuit is connect with MCU governor circuit.
In any of the above-described scheme preferably, the power circuit includes power management chip and lithium electrical storage cell;Institute Binding temperature sensor on lithium electrical storage cell is stated, the temperature sensor connects MCU governor circuit;The MCU governor circuit with Power management chip connection.The power management chip uses the power management chip of model QFN48-AXP209.The electricity The IRQ pin of source control chip connects first diode;First diode reverse leakage at 75 degrees Celsius of environment temperature Less than 5uA.The output end of temperature sensor connects diode anode, meanwhile, diode anode connects IRQ pin, when temperature mistake The impedance of Gao Shi, temperature sensor become larger, since the reverse leakage of diode is less than 5uA, the terminal pin of power management chip For high level, and interrupt pin is that low level is effective, therefore power management chip stops working.CCD is provided in scanner Scanning module and RFID scanning module have scanning bar code and RFID electronic label dual function;Provided with liquid crystal display to aobvious The information shown is shown in time;And button assembly is provided in scanner, it is realized using fingerprint key to scanner user Identification.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.The scope of the present invention By appended claims and its equivalent limit.

Claims (10)

1. a kind of intelligent multi-function scanner, which is characterized in that including being set to CCD scanning module at the top of scanner, setting It is placed in the RFID scanning module at scanner back, button assembly, MCU governor circuit, liquid crystal display, telecommunication circuit and for proposing The power circuit of power supply source;
The CCD scanning module is used to acquire the Item Information that article to be identified carries, and the RFID scanning module is for acquiring The Item Information that the RFID electronic label of article to be identified carries;The CCD scanning module and RFID scanning module are by identification Item Information is sent to MCU governor circuit;
The button assembly is used to acquire the control instruction of user's key entry, carries out human-computer interaction, and control instruction is sent to MCU Governor circuit;
The MCU governor circuit is used to receive the Item Information that CCD scanning module and RFID scanning module are sent, the MCU master It controls circuit and the Item Information received is sent to telecommunication circuit;The Item Information received is converted into display information simultaneously, And display information is sent to liquid crystal display and is shown;The MCU governor circuit receives the control that button assembly is keyed in and refers to It enables, and adjusts the display timing of the display information according to control instruction, and display information adjusted is sent to liquid crystal display Screen;
The telecommunication circuit for being communicated with RFID electronic label or host computer, will receive Item Information be sent to it is upper Machine.
2. intelligent multi-function scanner according to claim 1, which is characterized in that the telecommunication circuit include 433M without Line radio-frequency module, 3G communication module and OTG-USB communication module;
The 433M wireless radio frequency modules are used to acquire the Item Information of RFID electronic label carrying, and by the Item Information of acquisition It is sent to MCU governor circuit;
The Item Information that MCU governor circuit acquires is sent to host computer for communicating with host computer by the 3G communication module;
The OTG-USB communication module is used to scanner and host computer carrying out wired connection, and MCU governor circuit is acquired Item Information is sent to host computer.
3. intelligent multi-function scanner according to claim 1, which is characterized in that the button assembly includes switching on and shutting down Key, return key, entree singly-bound, application menu key and fingerprint collecting key;The connection of the power circuit of the switch key and scanner, For controlling scanner switching on and shutting down;The display information of the main menu key control liquid crystal display is back to main menu;The master Menu includes user management module;The user management module is for instructing user to complete fingerprint typing.The fingerprint collecting key Fingerprint recognition circuit, the finger print information that user presses for identification are connected, and finger print information is sent to MCU governor circuit.
4. intelligent multi-function scanner according to claim 1, which is characterized in that the side of the fingerprint collecting key is also Equipped with infrared temperature collector, the output end of the infrared temperature collector connects MCU governor circuit, the infrared temperature acquisition Device is used to acquire the temperature of pressed fingerprint object, and the temperature of acquisition is sent to MCU governor circuit, the MCU master control The temperature judgement that circuit is acquired according to infrared temperature collector presses whether fingerprint object is finger.
5. intelligent multi-function scanner according to claim 4, which is characterized in that the fingerprint collecting key uses model For the fingerprint sensor of FPC1011F;The fingerprint identification controller uses the fingerprint recognition chip of model AS602.
6. intelligent multi-function scanner according to claim 1, which is characterized in that the OTG-USB communication module packet Include 2 line I2C serial line interfaces, linear voltage regulator, USB-OTG transceiver and USB controller;The USB-OTG transceiver and USB are controlled Device connection processed;The USB controller is connect with the data communication interface of MCU governor circuit;The 2 line I2C serial line interface connection The output end of the input terminal of linear voltage regulator, the linear voltage regulator connects USB-OTG transceiver.
7. intelligent multi-function scanner according to claim 1, which is characterized in that the telecommunication circuit further includes WIFI Telecommunication circuit;The WIFI telecommunication circuit is connect with MCU governor circuit.
8. intelligent multi-function scanner according to claim 1, which is characterized in that the power circuit includes power supply pipe Manage chip and lithium electrical storage cell;Binding temperature sensor on the lithium electrical storage cell, the temperature sensor connection MCU master control electricity Road;The MCU governor circuit is connect with power management chip.
9. intelligent multi-function scanner according to claim 8, which is characterized in that the power management chip uses type Number be QFN48-AXP209 power management chip.
10. intelligent multi-function scanner according to claim 9, which is characterized in that in the power management chip Disconnected pin connects first diode;First diode reverse leakage at 75 degrees Celsius of environment temperature is less than 5uA.
CN201811137398.8A 2018-09-28 2018-09-28 Intelligent multi-function scanner Pending CN109409151A (en)

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Application Number Priority Date Filing Date Title
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101639802A (en) * 2008-07-31 2010-02-03 三星电子株式会社 Computer system mounted with battery pack and system main body thereof
CN201408458Y (en) * 2009-05-08 2010-02-17 上海孚恩电子科技有限公司 RFID wireless hand-held POS terminal
CN203573299U (en) * 2013-08-23 2014-04-30 北京计算机技术及应用研究所 Handheld terminal for military use
CN204089889U (en) * 2014-10-14 2015-01-07 江苏物联网研究发展中心 Multifunctional mobile internet-of-things terminal
CN204229413U (en) * 2014-10-13 2015-03-25 航天信息股份有限公司 Handheld device
CN105656152A (en) * 2016-03-30 2016-06-08 上海铁路通信有限公司 Portable battery management device for reader-writer of responder
CN106296903A (en) * 2016-08-03 2017-01-04 北海和思科技有限公司 A kind of gate control system based on fingerprint recognition
CN206892900U (en) * 2017-01-22 2018-01-16 广东宏景科技股份有限公司 A kind of portable hyperfrequency handhold RFID read write line based on Bluetooth communication

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101639802A (en) * 2008-07-31 2010-02-03 三星电子株式会社 Computer system mounted with battery pack and system main body thereof
CN201408458Y (en) * 2009-05-08 2010-02-17 上海孚恩电子科技有限公司 RFID wireless hand-held POS terminal
CN203573299U (en) * 2013-08-23 2014-04-30 北京计算机技术及应用研究所 Handheld terminal for military use
CN204229413U (en) * 2014-10-13 2015-03-25 航天信息股份有限公司 Handheld device
CN204089889U (en) * 2014-10-14 2015-01-07 江苏物联网研究发展中心 Multifunctional mobile internet-of-things terminal
CN105656152A (en) * 2016-03-30 2016-06-08 上海铁路通信有限公司 Portable battery management device for reader-writer of responder
CN106296903A (en) * 2016-08-03 2017-01-04 北海和思科技有限公司 A kind of gate control system based on fingerprint recognition
CN206892900U (en) * 2017-01-22 2018-01-16 广东宏景科技股份有限公司 A kind of portable hyperfrequency handhold RFID read write line based on Bluetooth communication

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