CN110738282A - Unique nature detecting system for mine - Google Patents
Unique nature detecting system for mine Download PDFInfo
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- CN110738282A CN110738282A CN201910971436.8A CN201910971436A CN110738282A CN 110738282 A CN110738282 A CN 110738282A CN 201910971436 A CN201910971436 A CN 201910971436A CN 110738282 A CN110738282 A CN 110738282A
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- 238000001514 detection method Methods 0.000 claims abstract description 48
- 238000005065 mining Methods 0.000 claims description 11
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- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 238000007726 management method Methods 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 230000003993 interaction Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007958 sleep Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- 238000005728 strengthening Methods 0.000 description 1
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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
- G06K17/0022—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 arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—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 arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0707—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
- G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
- G06Q10/109—Time management, e.g. calendars, reminders, meetings or time accounting
- G06Q10/1091—Recording time for administrative or management purposes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
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Abstract
The invention relates to the technical field of detection systems and discloses a mine-used unique detection system.A mounting plate is arranged in a left channel and used for mounting a unique central control panel, a person enters the detection channel and triggers an infrared correlation sensor to start a passive card reader, a camera identifies face information and then sends a card searching command to the passive card reader, the passive card reader immediately returns card information to upper computer software, the upper computer software compares the passive card information with active card information and face data, if the face information is the same as personal information, the software voice broadcasts and displays a certain pass through in a text mode, if the face information is not the same as personal information, the human card is not prompted to be , if the passive card is not detected, the fact that the card is not carried, if the passive card is , but the active card information is not detected, the fact that the card is abnormal is prompted, the card leakage rate and the false alarm rate are effectively reduced, and the effective safety management method is provided.
Description
Technical Field
The invention relates to the technical field of detection systems, in particular to a mine -only detection system.
Background
The card punching refers to putting a magnetic card on a magnetic card machine to read related contents, and particularly refers to that when workers go to work and leave work, the attendance card is inserted into the magnetic card machine to record the time of arriving or leaving a unit, which can be understood as 'registration and certificate presentation'.
Disclosure of Invention
() problems to be solved
Aiming at the defects of the prior art, the invention provides a mine unique nature detection system, which has the advantages of reducing card leakage rate and virtual warning rate and the like, and solves the problems that when the existing enterprise management is used for checking attendance on staff, the staff mostly carries out one-way identification through an active card and a passive card, and the staff can help the active card and the passive card of other staff to carry out attendance identification in such a way, so that the conditions of card leakage and duty leakage occur, and the management of the enterprise is not facilitated.
(II) technical scheme
In order to achieve the purpose of reducing the card leakage rate and the virtual warning rate, the invention provides the following technical scheme that the mine-used unique detection device comprises a left channel , a right channel and a base, wherein red and green double-color lamp display holes are formed in front panels of the left channel and the right channel , infrared correlation sensor holes are formed in the front panels, black acrylic baffles are arranged at the holes of the front panels, heat dissipation holes and net openings are formed in a rear panel, a power supply opening and a reset button opening are formed in the rear panels, and the base is fixedly installed at the bottom ends of the left channel and the right channel .
The inside of left side passageway is provided with the mounting panel, and the mounting panel is used for installing only nature center control board, audio frequency power amplifier board, passive card reader, switching power supply, loudspeaker, mini industrial computer and switch module, and left side passageway sets up in the front of the wall, is provided with the camera on the wall, and the camera passes through the support to be fixed on the wall.
The system comprises a mine-used unique nature detection system, a mini industrial personal computer is in electrical signal connection with a switch power supply, the mini industrial personal computer provides energy through the switch power supply, the mini industrial personal computer is in electrical signal connection with a unique nature central control panel, the mini industrial personal computer transmits signals to the input end of the unique nature central control panel, the unique nature central control panel is used for detecting transmitted signals, the unique nature central control panel is in electrical signal connection with an infrared opposite-emitting sensor, the infrared opposite-emitting sensor can monitor personnel entering a detection channel, when the personnel enter the range of the infrared opposite-emitting sensor, the signals are transmitted through the infrared opposite-emitting sensor, the infrared opposite-emitting sensor is in electrical signal connection with a passive card reader, the passive card does not need to be separately powered through the arrangement of the passive card, the passive card is not in a sleep period, the system can be used at any time, the detection speed is effectively improved, the accuracy and the speed of the passive card reading of the passive card by the passive card reader is greatly improved, the accuracy and the speed of the personnel performing the reading the passive card by the passive card reader in the passive card reader, the passive card, the detection of the two-way that the two-way of the passive card reader, the two-way of the passive card reader, the passive card reader is that the face identification camera is connected with the face identification camera, the face identification camera is connected with the face identification camera, the face identification camera is connected with the face identification camera, the face identification camera is connected with the face identification camera.
Passive card reader reads card substation and identification card with active card and all carries out the electricity through the signal of telecommunication and is connected with the switch, the switch adopts the giga switch, thereby effectual improvement information exchange's speed, the switch has hyperfrequency electronic tags and host computer software through electric signal connection, hyperfrequency electronic tags's output carries out two-way electric signal connection with the input of input and switch and output, through adopting the design of hyperfrequency electronic tags, make the operating frequency separation of passive card and active card, the confusion that the information interaction produced when avoiding detecting, the smoothness degree of system operation has been improved, host computer software's output carries out two-way electric signal connection with the input and the output of input and switch.
Preferably, the upper computer software can compare signals transmitted by the switch.
Preferably, the rims of the left channel and the right channel are both made of stainless steel plates, and the front panel and the rear panel are made of ABS plastic through injection molding.
Preferably, the base adopts the stainless steel plate preparation, and the surface adopts anti-skidding decorative pattern design, and there are threading pipe and strengthening rib design in the bottom, guarantees to provide sufficient compressive capacity.
Preferably, the antenna of the passive card is a KLY8-26045 type ultrahigh frequency circularly polarized antenna, the card reading distance is 1.5 meters, and the card reading range is effectively controlled to be 0.5 meter behind the detection .
Preferably, the audio power amplifier board is used for adjusting the sound of a loudspeaker.
Preferably, the passive card reader is used for -only detection, detecting whether the card corresponds to the person's face .
(III) advantageous effects
Compared with the prior art, the invention provides a unique nature detection system for mines, which has the following beneficial effects:
1. the mining -only detection system is characterized in that when upper computer software compares active card information, passive card information and face data information at the same time when comparison results are obtained, the upper computer software reads an identification card in a sub-station coverage range of -time card reading every 500ms and stores the read card information into a database of a mining server, the card information is valid within three minutes, the card information is invalid after the three minutes, the passive card does not read the card when a person does not enter a personnel detection channel, the person enters the detection channel and triggers an infrared correlation sensor to start a passive card reader, a card searching command is sent to the passive card reader after the camera recognizes face information, the passive card reader immediately returns the card information to the upper computer software, the upper computer software compares the passive card information, the active card information and the face data, if the information is personal information of the same person, the software displays a certain broadcast by voice at the same time, if the face information and the passive card information are not personal information of the same person, the human card is not detected, if the passive card information is not detected, the false face information is not detected, if the passive card information and the false face information is not detected, the passive card management method prompts that the passive card is invalid, if the face information is not detected, the false face information is not detected, the false face information, the.
2. This mining only nature detecting system uses the passive card through setting up, and the passive card need not supply power alone, does not have the dormancy period, can use at any time, and the instantaneity is good, and wherein the antenna of passive card chooses for use KLY8-26045 type hyperfrequency circular polarized antenna, and the distance of reading the card is at 1.5 meters, and the effective control of reading the card scope is before detecting 0.5 meters behind , very big improvement the passive card reader to carry out the precision and the speed of reading the passive card, the effectual speed that improves the detection.
3. According to the mining -only detection system, the KLY8-26045 type ultrahigh frequency circular polarized antenna is selected as the antenna of the passive card, the card reading distance is 1.5 m, the card reading range is effectively controlled to be 0.5 m behind the detection , the reading accuracy and speed of the passive card reader for reading the passive card are greatly improved, the detection speed is effectively improved, and the misreading rate of the passive card reader is effectively reduced.
4. This mining only nature detecting system through setting up hyperfrequency electronic tags and switch, through adopting the design of hyperfrequency electronic tags, makes the operating frequency separation of passive card and active card, avoids the confusion that the information interaction produced when detecting, has improved the smoothness degree of system operation.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a schematic plan view of the left channel of the present invention;
fig. 3 is a schematic plan view of the right channel according to the present invention.
In the figure, 1 is a left channel , 2 is a right channel , and 3 is bases.
Detailed Description
The present invention will be described in further detail at with reference to the drawings, wherein like parts are designated by like reference numerals, wherein the terms "front", "rear", "left", "right", "upper" and "lower", "bottom" and "top" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular part.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.
Referring to fig. 1-3, the invention provides a technical scheme that a mine-used unique detection device comprises a left channel 1, a right channel 2 and a base 3, wherein the frames of the left channel 1 and the right channel 2 are both designed by stainless steel plates, front and rear panels are formed by injection molding of ABS plastics, the front panels of the left channel 1 and the right channel 2 are both provided with red and green double-color lamp display openings, an infrared correlation sensor opening is formed, black acrylic baffles are arranged at the openings of the front panel, heat dissipation holes are arranged on the rear panel, a net opening, a power supply opening and a reset button opening, the base 3 is fixedly arranged at the bottom ends of the left channel 1 and the right channel 2, the base 3 is made of stainless steel plates, the surface is designed by anti-skid patterns, and the bottom is provided with a threading pipe and a reinforcing rib, so that sufficient pressure resistance is ensured.
The inside of left side passageway 1 is provided with the mounting panel, and the mounting panel is used for installing only nature center control board, audio frequency power amplifier board, passive card reader, switching power supply, loudspeaker, mini industrial computer and switch module, and left side passageway 1 sets up in the front of the wall, is provided with the camera on the wall, and the camera passes through the support to be fixed on the wall.
The mine-used unique nature detection system, the mini industrial personal computer is in electric signal connection with a switch power supply, the mini industrial personal computer provides energy through the switch power supply, the mini industrial personal computer is in electric signal connection with a unique central control panel, the mini industrial personal computer transmits signals to an input end of a unique central control panel, the unique central control panel is used for detecting the transmitted signals, the unique central control panel is in electric signal connection with an infrared opposite-emitting sensor, the infrared opposite-emitting sensor can monitor personnel entering a detection channel, when the personnel enter the range of the infrared opposite-emitting sensor, the infrared opposite-emitting sensor transmits signals, the infrared opposite-emitting sensor is in electric signal connection with a passive card reader, the passive card does not need to be independently powered through power setting, the passive card does not have a sleep period, the system can be used at any time, the antenna of the passive card selects a Y2-26045 type circularly polarized antenna, the distance is 1.5 meters, the range of the passive card is effectively controlled to be 0.5 meters behind a detection station, the passive card reader is greatly improved, the range of the passive card reader is used, the range of the passive card is improved, the range of the passive card reader is improved, the range of the detection, the two-way of the two-way that the two-way detection of the two-through the two-way detection of the two-through the detection of the two-detection of the two-type two-way detection of the two-way detection of the two-through the two-way detection of the two-type two-way detection of the two-point identification card reader, the two-point detection of the two-point detection, the two-point detection of the.
The method comprises the steps that a passive card reader, an active card reading substation and an identification card are electrically connected with a switch through electric signals, the switch adopts a kilomega switch, the speed of information exchange is effectively improved, the switch is connected with an ultrahigh frequency electronic tag and upper computer software through the electric signals, the output end and the input end of the ultrahigh frequency electronic tag are in bidirectional electric signal connection with the input end and the output end of the switch, the working frequency of the passive card is separated from that of the active card through the ultrahigh frequency electronic tag design, confusion caused by information interaction during detection is avoided, the smoothness of system operation is improved, the output end and the input end of the upper computer software are in bidirectional electric signal connection with the input end and the input end of the switch, the upper computer software can compare signals transmitted by the switch, the upper computer software compares information with information of the active card when the comparison results, the passive card information and face data information are obtained, the upper computer software reads the identification card within the coverage range of the passive card reader every 500ms, and stores the read card information into a database of a plurality of cards in a mine server, the card information is valid in three minutes, the card information, the passive card reader fails after the card reader enters a human face recognition channel, if the passive card, if the human face recognition card reader detects that the passive card does not read by the passive card, the human face recognition software does not enter a human face recognition card, if the human face recognition card, if the human face recognition card, the human face recognition card does not enter a human face recognition reader and the human face recognition card when the human face recognition card, the human face recognition card does not detect that the human face recognition card, the human face recognition card does not.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The mine-used unique detection device comprises a left channel (1), a right channel (2) and a base (3), wherein the bases (3) are fixedly installed at the bottom ends of a left channel (1) and a right channel (2), and the mining-used unique detection device is characterized in that an installation plate is arranged inside the left channel (1), a unique central control board, an audio power amplifier board, a passive card reader, a switching power supply, a loudspeaker, a mini industrial personal computer and a switch module are installed on the installation plate, a camera is arranged on the wall surface, and the camera is fixed on the wall surface through a support.
2. The mine-used detecting system with the unique property is characterized in that the mini industrial personal computer is in electrical signal connection with a switching power supply, the mini industrial personal computer is in electrical signal connection with a unique property middle control panel, the unique property middle control panel is in electrical signal connection with an infrared opposite-emitting sensor, the infrared opposite-emitting sensor is in electrical signal connection with a passive card reader, the passive card reader is in electrical signal connection with a camera, the camera is in electrical signal connection with a lens, the passive card reader and the camera are in bidirectional electrical signal connection with an output end and an input end, the passive card reader and the camera can transmit signals to each other, the passive card reader is in electrical signal connection with an active card reading substation and an identification card, the passive card reader is in bidirectional electrical signal connection with the active card reading substation and the identification card, the passive card reader, the active card reading substation and the identification card are in bidirectional electrical signal connection with an input end and an output end of the switch, the passive card reader, the active card reading substation and the identification card are in electrical signal connection with the switch, the switch is in electrical signal connection with an electronic tag and an upper computer software, the output end of the switch is in bidirectional electrical signal connection with the input end.
3. The mining -only detection system according to claim 1, wherein the borders of the left channel (1) and the right channel (2) are both made of stainless steel plates, and the front and rear panels are made of ABS plastic by injection molding.
4. The mining unique nature detection system of claim 2, wherein the active card reading substation and the identification card are in electrical signal connection with a red-green two-color indicator light, the active card reading substation and the identification card are in electrical signal connection with a loudspeaker, and an input end of the loudspeaker is in electrical signal connection with an audio power amplifier board.
5. The mining unique nature detection system of claim 1, wherein the front panels of the left channel (1) and the right channel (2) are provided with red and green two-color light display openings, the infrared correlation sensor openings, the openings of the front panel are provided with black acrylic baffles, the rear panel is provided with heat dissipation holes, a net port, a power supply port and a reset button port.
6. The mining -only detection system of claim 2, wherein the antenna of the passive card is a KLY8-26045 type UHF circularly polarized antenna, the reading distance is 1.5 m, and the reading range is effectively controlled to be 0.5 m behind the detection .
7. The mining -only detection system of claim 2, wherein the passive card reader is used for -only detection to detect whether the card is consistent with the face of a person performing detection.
8. The mining only nature detecting system of claim 1, characterized in that the base (3) is made of stainless steel plate, the surface is designed with anti-skid pattern, the bottom is designed with threading tube and reinforcing rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910971436.8A CN110738282A (en) | 2019-10-14 | 2019-10-14 | Unique nature detecting system for mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910971436.8A CN110738282A (en) | 2019-10-14 | 2019-10-14 | Unique nature detecting system for mine |
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| CN110738282A true CN110738282A (en) | 2020-01-31 |
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| CN201910971436.8A Pending CN110738282A (en) | 2019-10-14 | 2019-10-14 | Unique nature detecting system for mine |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030093305A1 (en) * | 2001-11-15 | 2003-05-15 | Davis Garry L. | Radio frequency check-in |
| CN101571962A (en) * | 2009-06-18 | 2009-11-04 | 四川华旗数据软件有限责任公司 | Attendance identification device |
| CN101996335A (en) * | 2010-11-30 | 2011-03-30 | 重庆梅安森科技股份有限公司 | Intrinsically safe type personal identification locator based on double-frequency RFID |
| CN102903159A (en) * | 2012-08-27 | 2013-01-30 | 红门智能科技股份有限公司 | Dual-card anti-theft system and anti-theft method for vehicle in parking lot |
| CN103927792A (en) * | 2014-04-30 | 2014-07-16 | 陈昊 | Full-function path recognition charging double-source multi-frequency read-write system and method for expressway |
| CN206557860U (en) * | 2017-03-01 | 2017-10-13 | 赵辰晖 | A kind of Internet of Things safety check is registered system |
| CN109816837A (en) * | 2019-03-13 | 2019-05-28 | 重庆芯力源科技有限公司 | Mine operation personnel identity uniqueness detection system and method |
-
2019
- 2019-10-14 CN CN201910971436.8A patent/CN110738282A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030093305A1 (en) * | 2001-11-15 | 2003-05-15 | Davis Garry L. | Radio frequency check-in |
| CN101571962A (en) * | 2009-06-18 | 2009-11-04 | 四川华旗数据软件有限责任公司 | Attendance identification device |
| CN101996335A (en) * | 2010-11-30 | 2011-03-30 | 重庆梅安森科技股份有限公司 | Intrinsically safe type personal identification locator based on double-frequency RFID |
| CN102903159A (en) * | 2012-08-27 | 2013-01-30 | 红门智能科技股份有限公司 | Dual-card anti-theft system and anti-theft method for vehicle in parking lot |
| CN103927792A (en) * | 2014-04-30 | 2014-07-16 | 陈昊 | Full-function path recognition charging double-source multi-frequency read-write system and method for expressway |
| CN206557860U (en) * | 2017-03-01 | 2017-10-13 | 赵辰晖 | A kind of Internet of Things safety check is registered system |
| CN109816837A (en) * | 2019-03-13 | 2019-05-28 | 重庆芯力源科技有限公司 | Mine operation personnel identity uniqueness detection system and method |
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