CN1588480A - System for assisting blind crossing traffice cross based on monolithic processor - Google Patents
System for assisting blind crossing traffice cross based on monolithic processor Download PDFInfo
- Publication number
- CN1588480A CN1588480A CN 200410066207 CN200410066207A CN1588480A CN 1588480 A CN1588480 A CN 1588480A CN 200410066207 CN200410066207 CN 200410066207 CN 200410066207 A CN200410066207 A CN 200410066207A CN 1588480 A CN1588480 A CN 1588480A
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- scm
- lead
- single chip
- slave
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a system for helping blind person pass through crossing system based on one-chip computer, it includes host and slave unit. Host includes one-chip computer system and radio digital transmitting module and reading interface of pedestrian traffic light state. The slave unit includes one-chip computer system and electronic compass sensor and radio digital transmitting module, the host and slave unit set up public radio communication mode by their radio digital transmission modules.
Description
Technical field
The present invention relates to a kind of equipment of assisting blind crossing traffice cross, specifically is a kind of system based on the single-chip microcomputer assisting blind crossing traffice cross.Be used for technical field of information processing.
Background technology
The scheme of existing assisting blind crossing traffice cross mainly is: inform the current traffic lights situation of blind person in the auditory tone cues mode, auxiliary its crossing traffice cross.
Find that by literature search China Patent No. is: 03261479.9, utility model patent title: novel sounding traffic lights.This patent readme is: " be made of lampshade, signal lamp, lamppost, audio amplifier, battery door, accumulator, lamp socket, switch, lead, chip.It is characterized in that: the lower position of lampshade covers the top position of signal lamp, the tail end position of signal lamp is connected electrically in the terminal position of audio amplifier, the terminal position of audio amplifier is connected electrically in the terminal position of chip, another terminal position of chip is connected electrically in the electrode position of accumulator, the lower end position of switch is connected electrically in the position, middle and lower part of lamppost, and the lower position of lamppost is fixedly mounted on the top position of lamp socket." on each pedestrian's traffic lights of traffic cross-road, settle audio amplifier, when pedestrian's traffic lights were indicated the green light different conditions of red light, green light and flicker, audio amplifier can send different sound and come the different conditions of indication lamp respectively.When the blind person goes to traffic intersection and prepares to go across the road, by differentiating the sound that audio amplifier sends, judge lights state, jaywalk.
But there is following deficiency in this technology: 1) needs constantly do not stop sends prompting sound, no matter the daytime or the late into the night.2) volume of audio amplifier is difficult to be provided with, and owing to the cause of ambient noise, needs bigger volume during daytime; And to the excessive noise pollution that will produce of volume in evening, influence peripheral resident and have a rest.3) a standard traffic intersection has the different pedestrian traffic pilot lamp of both direction, just to go across the road at any one street corner, the capital hears simultaneously from the auditory tone cues of two different direction indications (because horizontal and vertical traffic lights always opposed), and this will cause acoustically interference to the blind person.4) audio amplifier sends the fixing standard of sound neither one of that represent traffic signal lamp state, and different places uses different sound to represent traffic light status, and this identification for the blind person can impact.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of system based on the single-chip microcomputer assisting blind crossing traffice cross is provided, make it can help the traffic intersection that passes through of the convenient safety again of blind person, thereby reach the purpose that makes things convenient for the trip of blind person's safety, and solved the shortcoming in the background technology simultaneously.
Technical scheme of the present invention is achieved in that and the present invention includes the slave that the main frame that is connected with the pedestrian traffic lamp and blind person carry at any time.Main frame comprises: first Single Chip Microcomputer (SCM) system and first wireless data transmission module, and pedestrian traffic lamp state read in interface, first wireless data transmission module is set up physics by lead with first Single Chip Microcomputer (SCM) system and is electrically connected, and the interface that reads in of pedestrian traffic lamp state links to each other by the input port of lead with first Single Chip Microcomputer (SCM) system; Slave comprises: second singlechip system and a digital compass sensor and second wireless data transmission module that accuracy requirement is higher, second wireless data transmission module is set up physics by lead with the second singlechip system and is electrically connected, and the digital compass sensor links to each other with the second singlechip system by lead.Slave is designed to portable, and blind man carries, and the blind person can carry to put everywhere and use.Main frame and slave are set up the public character communication by wireless data transmission module separately, and main frame and slave carry out the exchange and the transmission of data and information by wireless mode.Main frame can be simultaneously and any a plurality of slave communicate, solve the situation that a plurality of blind persons pass through same traffic intersection simultaneously.Main frame is identical with traffic lights, also with 24 continuous throughout the twenty-four hour24s.
Main frame is except comprising Single Chip Microcomputer (SCM) system and wireless data transmission module, also comprise the fixing control section of connecting interface, modification and the preservation main frame of visiting traffic light status towards value (main frame herein fix towards value be meant the pedestrian traffic lamp that is connected with main frame the lamp face towards with the angle of cut value of direct north, scope 0-360, this can measure by the digital compass sensor towards value) and the power supply input media.Main frame by wireless data transmission module receive from the information of inquiring of slave and blind person and slave towards value (blind person herein and slave are meant the blind person who carries this slave towards value front towards with the angle of cut value of direct north, scope 0-360, this can measure by the digital compass sensor towards value), obtain the state of the current pedestrian traffic lamp that is connected with main frame again by the connecting interface of visit traffic light status, afterwards, Single Chip Microcomputer (SCM) system is according to resulting information and data, make the judgement that this blind person whether can crossing traffice cross, send it back this slave by wireless data transmission module again.
Slave comprises Single Chip Microcomputer (SCM) system, wireless data transmission module, digital compass sensor, power supply input media, sound-producing device and shaking device.When the blind person comes traffic intersection, when the road that will pass through is prepared to go across the road, start slave, slave at first by Single Chip Microcomputer (SCM) system visit digital compass sensor with obtain blind person and slave towards value, to inquire information and be somebody's turn to do the main frame that send to this crossing towards value by wireless data transmission module afterwards, then, constantly the visit wireless data transmission module is waited for the return information of main frame, Single Chip Microcomputer (SCM) system is judged the host response information that receives, determining whether then can crossing traffice cross, this signal is showed by sound-producing device or shaking device, with the prompting blind person.
The present invention designs and produces simply, and cost is lower, and reliability, accuracy, security are higher, and utilize wireless mode, by the interactive type communication method of main frame and slave, each blind person is treated respectively as different independently individualities, increase reliability and accuracy.Remedied the go across the road deficiency of method of existing assisting blind: can not produce noise; Sounding and the two kinds of current traffic lights signal lamp of the selective blind person of prompting of prompting mode states of vibrations are arranged, and it is unified to be easy to formal Specification.Each traffic intersection only needs a main frame, and main frame can be installed on any one pedestrian's traffic lights of traffic intersection, and is easy for installation.Native system not only can be installed at the traffic intersection of blind person's close quarters, at each traffic intersection in city native system can both be installed.Like this, blind person's daily routines scope can enlarge, the more location in visit city that can be convenient, safe, relieved.The present invention provides assistant service for the blind person, better matches with the sidewalk for visually impaired people, for the blind person solves difficult this problem of going across the road.
Description of drawings:
Fig. 1 is the structural representation of system of the present invention.
Fig. 2 is the basic composition synoptic diagram of main frame in the system of the present invention.
Fig. 3 is the basic composition synoptic diagram of slave in the system of the present invention.
Fig. 4 is system works flow process figure of the present invention.
Embodiment
As shown in Figure 1, the present invention includes the slave 2 that the main frame 1 that is connected with the pedestrian traffic lamp and blind person carry at any time.Main frame 1 comprises: Single Chip Microcomputer (SCM) system 3 and wireless data transmission module 4, and pedestrian traffic lamp state read in interface 5, wireless data transmission module 4 is set up physics by lead with Single Chip Microcomputer (SCM) system 3 and is electrically connected, and the interface 5 that reads in of pedestrian traffic lamp state links to each other by the input port of lead with Single Chip Microcomputer (SCM) system 3; Slave 2 comprises: Single Chip Microcomputer (SCM) system 6 and digital compass sensor 7 and wireless data transmission module 8, and wireless data transmission module 8 is set up physics by lead with Single Chip Microcomputer (SCM) system 6 and is electrically connected, and digital compass sensor 7 links to each other with Single Chip Microcomputer (SCM) system 6 by lead; Main frame 1 and slave 2 are set up the public character communication by wireless data transmission module separately, carry out the exchange and the transmission of data and information by wireless mode, and 1 while of main frame and any a plurality of slave 2 communicate.
As Fig. 2, shown in Figure 4, main frame 1 is except comprising Single Chip Microcomputer (SCM) system 3, wireless data transmission module 4, reading in beyond the interface 5 of pedestrian traffic lamp state, also comprise: antenna 9, it is fixing towards value controller 10 to preserve and revise main frame, power supply input media 11, the wireless data transmission module 4 of main frame 1 is set up physics by lead with Single Chip Microcomputer (SCM) system 3 and is electrically connected, form by power lead and signal wire two parts line, wherein the wiring quantity of signal wire and mode depend on the mode of Single Chip Microcomputer (SCM) system 3 control wireless data transmission modules 4, usually can use modes such as serial communication (RS-232) or I2C bus, lead just links to each other with Single Chip Microcomputer (SCM) system 3 corresponding ports: serial communication mode need be connected RXD, communication ports such as TXD; The I2C bus mode need connect I2C bus ports such as SCL, SDA; Power lead then is connected with the power supply input media 11 of main frame 1 by lead, uses identical direct current input with Single Chip Microcomputer (SCM) system 3.Antenna 9 is directly installed on the antenna socket of wireless data transmission module 4.Preserving and revise main frame fixing is homemade user's input keyboards towards value controller 10, and keyboard is wired to the input port of Single Chip Microcomputer (SCM) system 3, and single-chip microcomputer 3 just can be read the value by the keyboard input like this.The interface 5 that reads in of pedestrian traffic lamp state connects by lead: the signal that will write down pedestrian traffic lamp current state links to each other by the input port of lead with Single Chip Microcomputer (SCM) system 3, imports the state of current pedestrian's traffic lights signal.And the power supply of main frame 1 is to solve like this: because main frame needs 24 continuous throughout the twenty-four hour24s, therefore need power supply continuously.Just in time, main frame 1 is installed on the pedestrian traffic lamp, can directly use the power supply that the work of pedestrian traffic lamp is provided, because this power supply is 220 volts of alternating currents, and main frame needs lower direct supply.Therefore 220 volts of alternating currents need be wired to the power supply input media 11 of main frame 1.The function of power supply input media 11 is that 220 volts of alternating currents will importing convert stable low-voltage DC to from its delivery outlet output.As long as the power input of the Single Chip Microcomputer (SCM) system 3 of the delivery outlet of power supply input media 11 and main frame 1 is connected with lead, main frame 1 just can operate as normal.
As shown in Figure 3, Figure 4, slave 2 is except comprising Single Chip Microcomputer (SCM) system 6, digital compass sensor 7, wireless data transmission module 8, also comprise: antenna 12, power supply input media 13, sound-producing device 14, shaking device 15, similar with main frame, the wireless data transmission module 8 of slave 2 is set up physics by lead with Single Chip Microcomputer (SCM) system 6 and is electrically connected, and is made up of power lead and signal wire two parts line.Wherein the wiring quantity of signal wire and mode depend on the mode of Single Chip Microcomputer (SCM) system 6 control wireless data transmission modules 8, usually can use modes such as serial communication (RS232) or I2C bus, lead just links to each other with Single Chip Microcomputer (SCM) system 6 corresponding ports: serial communication mode need be connected communication ports such as RXD, TXD; The I2C bus mode need connect I2C bus ports such as SCL, SDA; Power lead then is connected with the power supply input media 13 of slave 2 by lead, uses identical direct current input with Single Chip Microcomputer (SCM) system 6.Antenna 12 is directly installed on the antenna socket of wireless data transmission module 8.The digital compass sensor 7 of slave 2 also needs two-part line, power lead and signal wire: wherein the wiring quantity of signal wire and mode depend on the mode of Single Chip Microcomputer (SCM) system 6 control digital compass sensors 7, usually can use modes such as serial communication (RS232) or I2C bus, lead just links to each other with Single Chip Microcomputer (SCM) system 6 corresponding ports: serial communication mode need be connected communication ports such as RXD, TXD; The I2C bus mode need connect I2C bus ports such as SCL, SDA; Power lead then is connected with the power supply input media 13 of slave 2 by lead, by its direct power supply.Since digital compass sensor 7 usually need be higher than Single Chip Microcomputer (SCM) system 6 DC power supply, therefore need the power supply input media 13 of slave 2 that two kinds of different direct supplys outputs can be provided: the digital compass sensor 7 of lower direct-current power supply slave Single Chip Microcomputer (SCM) system 6 and wireless data transmission module 8 and higher direct-current power supply slave 2.The sound-producing device 14 of slave and shaking device 15 are connected respectively to the different output port (OutputPort) of Single Chip Microcomputer (SCM) system 6 by lead, by programming Control output port output current, drive sound-producing device 14 and shaking device 15 work by Single Chip Microcomputer (SCM) system 6.Because slave 2 is designed to portablely, blind man is carried, and therefore the power supply of the power supply of whole slave 2 is fit to select for use dry cell or rechargeable battery, is easy to carry and changes.The power supply of slave 2 also links to each other with the power supply input media 13 of slave 2 by lead, as the input source of power supply input media 13.Through the voltage transitions of power supply input media 13, respectively by different two kinds of higher and lower DC power supply of delivery outlet output.
When the blind person comes traffic intersection, when the road that will pass through is prepared to go across the road, start slave 2, slave 2 at first by Single Chip Microcomputer (SCM) system 6 visit digital compass sensors 7 with obtain blind person and slave 2 towards value, will inquire information by wireless data transmission module 8 afterwards and should send to the main frame 1 at this crossing towards value.Then, Single Chip Microcomputer (SCM) system 6 constantly visit wireless data transmission modules 8 waits for and the return information of main frame 1 information that receives carried out judgment processing, and determining whether can crossing traffice cross, and should judgement information show by sounding or vibration mode, inform the blind person.
The main frame in the system of the present invention and the composition of slave are simple, and can directly adopt the commercial goods is ingredient.The Single Chip Microcomputer (SCM) system range of choice is wider, and common 8 or above Single Chip Microcomputer (SCM) system can be used.And purchase Single Chip Microcomputer (SCM) system such as comprising Intel, Philip, AVR on the market easily.Wireless data transmission module in the electronic market or company of some special development wireless communication devices ready-made module supply is arranged, generally provide serial communication interface and reliable the transmission to receive wireless encoding decoding communication protocol, can guarantee confidentiality, reliability and the accuracy of radio communication.Certainly, in order to reduce cost, improve the entire system performance, suggestion is research and development design wireless data transmission module voluntarily, in the Single Chip Microcomputer (SCM) system that is incorporated into main frame and slave, controls as the part of Single Chip Microcomputer (SCM) system.
The digital compass module that slave adopts has ready-made module supply, and the transfer rate of I2C interface 100Kbps mainly is provided, and serial communication interface also is provided simultaneously.Single Chip Microcomputer (SCM) system can be visited this module, reading of data by interface mode arbitrarily.Certainly, still the digital compass sensor is researched and developed in suggestion voluntarily, is integrated in the slave Single Chip Microcomputer (SCM) system, as the part of slave Single Chip Microcomputer (SCM) system, both has been convenient to control, improves system performance again, reduces cost.
Other electronic components that use in the system of the present invention all can be purchased in the electronic market.
The wireless data transmission module that uses in the system of the present invention should be operated in international public use frequency range, easy to use and frequency configuration, simultaneously because aloft can the phase mutual interference with radiowave frequently, therefore, in the process of design native system main frame slave communication, it should be noted that this problem, avoid its phase mutual interference, influence communication.Simultaneously, also to consider many slaves simultaneously with the problem of same main-machine communication, (solving the problem that a plurality of blind persons pass through same traffic intersection simultaneously) also needs to consider many problem of co-channel interference that produce from chance when design system of the present invention.
Claims (4)
1, a kind of system based on the single-chip microcomputer assisting blind crossing traffice cross, comprise the slave (2) that the main frame (1) that is connected with the pedestrian traffic lamp and blind person carry at any time, it is characterized in that, main frame (1) comprising: Single Chip Microcomputer (SCM) system (3) and wireless data transmission module (4), and pedestrian traffic lamp state read in interface (5), wireless data transmission module (4) is set up physics by lead with Single Chip Microcomputer (SCM) system (3) and is electrically connected, the interface (5) that reads in of pedestrian traffic lamp state links to each other by the input port of lead with Single Chip Microcomputer (SCM) system (3), slave (2) comprising: a Single Chip Microcomputer (SCM) system (6) and a digital compass sensor (7) and wireless data transmission module (8), wireless data transmission module (8) is set up physics by lead with Single Chip Microcomputer (SCM) system (6) and is electrically connected, digital compass sensor (7) links to each other with Single Chip Microcomputer (SCM) system (6) by lead, main frame (1) and slave (2) are set up the public character communication by wireless data transmission module separately, carry out the exchange and the transmission of data and information by wireless mode, a main frame (1) while and any a plurality of slave (2) communicate.
2, system based on the single-chip microcomputer assisting blind crossing traffice cross according to claim 1, it is characterized in that, main frame (1) also comprises: antenna (9), it is fixing towards value controller (10) to preserve and revise main frame, power supply input media (11), the wireless data transmission module (4) of main frame (1) is set up physics by lead with Single Chip Microcomputer (SCM) system (3) and is electrically connected, form by power lead and signal wire two parts line, wherein the wiring quantity of signal wire and mode depend on the mode of Single Chip Microcomputer (SCM) system (3) control wireless data transmission module (4), use serial communication or I2C bus mode, lead just links to each other with Single Chip Microcomputer (SCM) system (3) corresponding ports, power lead then is connected with power supply input media (11) by lead, antenna (9) is set directly on the antenna socket of wireless data transmission module (4), preserving and revise main frame fixing is user's input keyboard towards value controller (10), keyboard is wired to the input port of Single Chip Microcomputer (SCM) system (3), and the delivery outlet of power supply input media (11) is connected with lead with the power input of Single Chip Microcomputer (SCM) system (3).
3, system based on the single-chip microcomputer assisting blind crossing traffice cross according to claim 1, it is characterized in that, slave (2) also comprises: antenna (12), power supply input media (13), sound-producing device (14), shaking device (15), the wireless data transmission module (8) of slave (2) is set up physics by lead with Single Chip Microcomputer (SCM) system (6) and is electrically connected, form by power lead and signal wire two parts line, wherein the wiring quantity of signal wire and mode depend on the mode of Single Chip Microcomputer (SCM) system (6) control wireless data transmission module (8), use serial communication or I2C bus mode, lead just links to each other with Single Chip Microcomputer (SCM) system (6) corresponding ports, power lead then is connected with the power supply input media (13) of slave (2) by lead, antenna (12) is set directly on the antenna socket of wireless data transmission module (8), sound-producing device (14) and shaking device (15) are connected respectively to the output port of Single Chip Microcomputer (SCM) system (6) by lead, the power supply of slave (2) also links to each other with the power supply input media (13) of slave (2) by lead, as the input source of power supply input media (13).
4, the system based on the single-chip microcomputer assisting blind crossing traffice cross according to claim 3, it is characterized in that, digital compass sensor (7) has two-part line, power lead and signal wire: wherein the wiring quantity of signal wire and mode depend on the mode of Single Chip Microcomputer (SCM) system (6) control digital compass sensor (7), use serial communication or I2C bus mode, lead just links to each other with Single Chip Microcomputer (SCM) system (6) corresponding ports, power lead then is connected with power supply input media (13) by lead, by its direct power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410066207 CN1264124C (en) | 2004-09-09 | 2004-09-09 | System for assisting blind crossing traffice cross based on monolithic processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410066207 CN1264124C (en) | 2004-09-09 | 2004-09-09 | System for assisting blind crossing traffice cross based on monolithic processor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1588480A true CN1588480A (en) | 2005-03-02 |
| CN1264124C CN1264124C (en) | 2006-07-12 |
Family
ID=34603943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410066207 Expired - Fee Related CN1264124C (en) | 2004-09-09 | 2004-09-09 | System for assisting blind crossing traffice cross based on monolithic processor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1264124C (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101214181B (en) * | 2008-01-12 | 2010-06-16 | 郑凯宏 | Vehicle for disabled person and using method thereof |
| CN102218008A (en) * | 2011-06-01 | 2011-10-19 | 河北工业大学 | Traffic junction blind-help system |
| CN102631280A (en) * | 2012-04-18 | 2012-08-15 | 东南大学 | Wearable blind-guiding device based on wireless sensor network and vibration feedback |
| US8253593B2 (en) | 2009-04-11 | 2012-08-28 | Shenzhen Futaihong Precision Industry Co., Ltd. | Traffic light system and method for using the same |
| CN102810249A (en) * | 2012-07-27 | 2012-12-05 | 四川长虹电器股份有限公司 | Traffic navigating system for the blind |
| CN103606286A (en) * | 2013-11-13 | 2014-02-26 | 河南理工大学 | Traffic light real-time state prompting device for assisting colorblind |
| TWI579810B (en) * | 2014-10-30 | 2017-04-21 | 群邁通訊股份有限公司 | System and method for assisting visually impaired persons |
| CN107945504A (en) * | 2017-12-08 | 2018-04-20 | 湖州师范学院 | Three wheeler guiding blind-man crossing street auxiliary device |
| CN108417025A (en) * | 2018-03-10 | 2018-08-17 | 张定宇 | A kind of blind person crossing is passed through guiding system, device and its working method |
| CN108629966A (en) * | 2018-05-08 | 2018-10-09 | 京东方科技集团股份有限公司 | Intersection blind guiding system, blind-guiding method and guide terminal |
| CN111052195A (en) * | 2017-09-06 | 2020-04-21 | 松下知识产权经营株式会社 | Roadside device, pedestrian device, communication system, abnormality detection method, and abnormality notification method |
| CN111388291A (en) * | 2020-04-20 | 2020-07-10 | 吉林大学 | Intelligent blind stick in wireless communication with traffic light |
| CN112402196A (en) * | 2020-10-23 | 2021-02-26 | 西安交通大学 | Barrier-free ecological intelligent eye stick and working method thereof |
| CN113920716A (en) * | 2021-10-08 | 2022-01-11 | 湖南湘江智能科技创新中心有限公司 | V2X device-based intersection perception system and method for visually impaired people |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201421220D0 (en) * | 2014-11-28 | 2015-01-14 | Neatebox Ltd And Neate Gavin A | Traffic control system apparatus |
-
2004
- 2004-09-09 CN CN 200410066207 patent/CN1264124C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101214181B (en) * | 2008-01-12 | 2010-06-16 | 郑凯宏 | Vehicle for disabled person and using method thereof |
| US8253593B2 (en) | 2009-04-11 | 2012-08-28 | Shenzhen Futaihong Precision Industry Co., Ltd. | Traffic light system and method for using the same |
| CN102218008A (en) * | 2011-06-01 | 2011-10-19 | 河北工业大学 | Traffic junction blind-help system |
| CN102631280A (en) * | 2012-04-18 | 2012-08-15 | 东南大学 | Wearable blind-guiding device based on wireless sensor network and vibration feedback |
| CN102810249A (en) * | 2012-07-27 | 2012-12-05 | 四川长虹电器股份有限公司 | Traffic navigating system for the blind |
| CN103606286A (en) * | 2013-11-13 | 2014-02-26 | 河南理工大学 | Traffic light real-time state prompting device for assisting colorblind |
| TWI579810B (en) * | 2014-10-30 | 2017-04-21 | 群邁通訊股份有限公司 | System and method for assisting visually impaired persons |
| CN111052195A (en) * | 2017-09-06 | 2020-04-21 | 松下知识产权经营株式会社 | Roadside device, pedestrian device, communication system, abnormality detection method, and abnormality notification method |
| CN107945504A (en) * | 2017-12-08 | 2018-04-20 | 湖州师范学院 | Three wheeler guiding blind-man crossing street auxiliary device |
| CN108417025A (en) * | 2018-03-10 | 2018-08-17 | 张定宇 | A kind of blind person crossing is passed through guiding system, device and its working method |
| CN108629966A (en) * | 2018-05-08 | 2018-10-09 | 京东方科技集团股份有限公司 | Intersection blind guiding system, blind-guiding method and guide terminal |
| US11529282B2 (en) | 2018-05-08 | 2022-12-20 | Beijing Boe Display Technology Co., Ltd. | Intersection blind-guiding system, blind-guiding method and blind-guiding terminal |
| CN111388291A (en) * | 2020-04-20 | 2020-07-10 | 吉林大学 | Intelligent blind stick in wireless communication with traffic light |
| CN112402196A (en) * | 2020-10-23 | 2021-02-26 | 西安交通大学 | Barrier-free ecological intelligent eye stick and working method thereof |
| CN113920716A (en) * | 2021-10-08 | 2022-01-11 | 湖南湘江智能科技创新中心有限公司 | V2X device-based intersection perception system and method for visually impaired people |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1264124C (en) | 2006-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1264124C (en) | System for assisting blind crossing traffice cross based on monolithic processor | |
| CN207049795U (en) | Full intelligent road-lamp photovoltaic comprehensive application system | |
| CN207603967U (en) | A kind of intelligent road lamp system based on Internet of Things | |
| CN103249232A (en) | Intelligent streetlamp illumination control system | |
| CN107240270A (en) | Silent cop | |
| CN208849887U (en) | A kind of Internet of Things linkage camera | |
| CN209375992U (en) | A kind of control system of tunnel intelligent illumination | |
| CN203313474U (en) | Intelligent illumination control system of street lamps | |
| CN107071979A (en) | A kind of bridge lighting energy saving automatic control system | |
| CN202634837U (en) | Area return circuit controller in intelligent roadway lighting system | |
| CN208477715U (en) | A kind of street lamp topology network architecture and management system based on zigbee and GPRS | |
| CN201854478U (en) | Street lamp control circuit for controlling any node based on digital technology | |
| CN206674266U (en) | A kind of bridge lighting energy saving automatic control system | |
| CN1746935A (en) | Monochip computer based on system as place name guide for blind person | |
| CN202488847U (en) | Street lamp intelligent control system | |
| CN205883657U (en) | But many sensing network deployment LED lamp intelligent light -adjusting devices | |
| CN115038209A (en) | Energy-saving control system and method based on Internet of things | |
| CN210488803U (en) | Device for controlling signal lamp of lane | |
| CN201667131U (en) | Signal machine supporting wireless communication and wireless control system based on signal machine | |
| CN205430712U (en) | City street lamp intelligent monitoring system based on internet of things | |
| CN205211051U (en) | Intelligence electronics doorman | |
| CN207897186U (en) | A kind of streetlight embedded real-time control apparatus based on Lora | |
| CN209693120U (en) | A kind of wisdom street lamp box | |
| CN204291500U (en) | Intelligent building combined lighting long distance control system | |
| CN207149068U (en) | Control system between vehicle based on zigbee |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060712 |