CN202049539U - On-off number intelligent counting realizing device of vehicle - Google Patents
On-off number intelligent counting realizing device of vehicle Download PDFInfo
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- CN202049539U CN202049539U CN2011200838877U CN201120083887U CN202049539U CN 202049539 U CN202049539 U CN 202049539U CN 2011200838877 U CN2011200838877 U CN 2011200838877U CN 201120083887 U CN201120083887 U CN 201120083887U CN 202049539 U CN202049539 U CN 202049539U
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- infrared
- receiving tube
- infrared receiving
- pipe
- infraluminescence pipe
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Abstract
The utility model discloses an on-off number intelligent counting realizing device of a vehicle, comprising a double-row array infrared lighting tube and a double-row array infrared receiving tube; the get-on number, the height situation of getting on passengers and the height ticket-free situation are counted with processing of the situation that the passengers and luggage keep the infrared lighting tube out when the passengers get on the vehicle; and images are collected by a video camera, the situation of getting on the vehicle simultaneously is distinguished through the computer recognition image technology, therefore, the amount of the getting-on passengers are precisely counted. The on-off number intelligent counting realizing device of the vehicle can be widely applied to counting the passengers getting on a public bus and a tourist bus.
Description
One, technical field
The utility model patent vehicle number intelligence counting implement device of getting on or off the bus relates to a kind of broadcasting and TV pipe that utilizes and realizes getting on or off the bus the self registering a kind of device of number, particularly relates to a kind of vehicle that utilizes phototron array number intelligence counting implement device of getting on or off the bus.
Two, background technology
IBoin_iVPC binocular number calculating instrument be a small and exquisite precision develop embedded device based on non-contacting technique of binocular stereoscopic vision.This equipment can be used for the passenger flow counting of bus, subway, train, also can be applicable to the discrepancy personnel counting aspect of market, building or restricted area simultaneously.Can be installed in the top in doorframe, corridor, hall easily.
Capture video image by the binocular solid video camera, analyze height, shape, direction, thereby judge accurately whether this object is the people through all objects in the image, turnover direction with the people, the number that adds up accurately and pass in and out, and stack date and time generate a turnover record.The built-in infrared LED lamp illumination of iBoin_iVPC binocular number calculating instrument can adapt to any light environment, even complete black situation also can operate as normal.
The infrared LED lamp illumination that iBoin_iVPC binocular number calculating instrument is built-in can adapt to any light environment, even complete black situation also can operate as normal.
Alert data can transmit by RS485, RS232, TCP/IP, USB dish.Built-in independent digit I/O mouth can wait equipment to be connected with other supervisory system (as DVR) and door easily, and the warning precision can be provided.As: when door was closed, calculating instrument can stop counting.
Three, summary of the invention
The problem that solves:
The existing vehicle number intelligence counting implement device of getting on or off the bus is commonly used, thereby single to infrared photocell or adopt video camera to carry out the number that the Flame Image Process record is got on the bus merely.Error is big.
Technical scheme:
Infrared ray with following some infrared tube emissions when the people gets on the bus is blocked, and is empty above; Utilize the signal of each infrared receiving tube of processor for recording, thereby the general height and the record that roughly calculate every passenger pass through number;
When people cannot not get on the bus crowdedly, a people comprised a break-make that produces following several infrared receiving tubes when saluting by car door, thus the number that more accurate record is got on the bus;
When people get on the bus when crowded, the light that photoelectric receiving tube normally receives is blocked always fully, have only top broadcasting and TV pipe may produce break-make, if each number of people is not parallel by blocking infrared photocell, infrared photocell then produces break-make, thereby can write down the number of people number by this row's infrared photocell, thus the number that record is got on the bus, below because luggage etc. blocks infrared photocell continuously, count results is not had influence.
Beneficial effect:
Adopt the matrix infrared electro to pipe, count substantially, utilize binocular camera to simulate identification, parallel personnel are counted correction, thereby improved the precision of counting greatly.
Four, description of drawings
The single infrared electro emission of Fig. 1 receives the pipe synoptic diagram;
Fig. 2 cylindrical tube structure synoptic diagram;
The double emission of Fig. 3 is to the pipe synoptic diagram;
The double reception photoelectric tube of Fig. 4 synoptic diagram;
The two common camera synoptic diagram of Fig. 5;
Fig. 6 thermal camera synoptic diagram.
Five, embodiment
Below in conjunction with accompanying drawing embodiments of the present invention are described in detail:
Preferred embodiment 1:
Be illustrated in figure 1 as, 101 is infrared transmitting tube, and 104 is infrared receiving tube; 102 is infrared transmitting tube; 103 is infrared transmitting tube; 105 is infrared receiving tube, and 106 is infrared receiving tube, is illustrated in figure 2 as luminous pipe support, and 201 is cylindrical tube, and 202 is the infraluminescence pipe; 201 effect is the direction restriction that Infrared that 202 luminotrons are sent is sent, and it can only be received by the infrared receiving tube of correspondence; 101 infrared rays that send can only be received by 104 infrared receiving tubes, and 102 infrared rays that send can only be received by 105 infrared receiving tubes, and 103 infrared rays that send can only be received by 106 infrared receiving tubes;
Infrared transmission pipe, infrared receiving tube, processor is formed people's counter implement device of getting on or off the bus; Infrared transmitting tube (101), infrared receiving tube (104); Infrared transmitting tube (102), infrared transmitting tube (103); Infrared receiving tube (105), infrared receiving tube (106);
Cylindrical tube (201), infraluminescence pipe (202); The effect of cylindrical tube (201) is the direction restriction that Infrared that infraluminescence pipe (202) luminotron is sent is sent, and it can only be received by the infrared receiving tube of correspondence; The infrared ray that infraluminescence pipe (101) sends can only be received by infrared receiving tube (104) infrared receiving tube, the infrared ray that infraluminescence pipe (102) sends can only be received by infrared receiving tube (105) infrared receiving tube, and the infrared ray that infraluminescence pipe (103) sends can only be received by infrared receiving tube (106) infrared receiving tube.
Preferred embodiment 2:
Be illustrated in figure 3 as double luminotron structure, 301 is luminotron, and 302 is the infraluminescence pipe, and 303 is the infraluminescence pipe; 304 is the infraluminescence pipe, and 305 is the infraluminescence pipe, and 306 is the infraluminescence pipe.
Be illustrated in figure 4 as double receiving tube, 401 is infrared receiving tube, and 402 is infrared receiving tube, and 403 is infrared receiving tube; 404 is infrared receiving tube, and 405 is infrared receiving tube, and 406 is infrared receiving tube.
Adopt and to carry out orientation as Fig. 2 cylindrical tube, the infrared rays of 301 transmissions can only by 401 receive; 302 infrared rays that send can only by 402 receive; 303 infrared rays that send can only by 403 receive; 304 infrared rays that send can only by 404 receive; 305 infrared rays that send can only by 405 receive; 306 infrared rays that send can only by 406 receive.
The infraluminescence pipe, double corresponding one by one arrangement of infrared receiving tube;
Infraluminescence pipe (301), infraluminescence pipe (302), infraluminescence pipe (303), infraluminescence pipe (304), infraluminescence pipe (305), infraluminescence pipe (306);
Infrared receiving tube (401), infrared receiving tube (402), infrared receiving tube (403), infrared receiving tube (404), infrared receiving tube (405), infrared receiving tube (406);
Adopt cylindrical tube to carry out orientation, the infrared ray that infraluminescence pipe (301) sends can only be received by infrared receiving tube (401); The infrared ray that infraluminescence pipe (302) sends can only be received by infrared receiving tube (402); The infrared ray that infraluminescence pipe (303) sends can only be received by infrared receiving tube (403); The infrared ray that infraluminescence pipe (304) sends can only be received by infrared receiving tube (404); The infrared ray that infraluminescence pipe (305) sends can only be received by infrared receiving tube (405); The infrared ray that infraluminescence pipe (306) sends can only by 406 receive.
Preferred embodiment 3:
The vehicle number intelligence counting implement device implementation method of getting on or off the bus, utilize as shown in Figure 1 101,102,103,110,111,112,113,114 form row's infraluminescence pipe; 104,105,106,120,121,122,123,124 form row's infrared receiving tube forms; 101 infrared rays that send can only 104 receive; 102 infrared rays that send can only 105 receive; 103 infrared rays that send can only receive by 106; 110 infrared rays that send can only receive by 120; 111 infrared rays that send can only receive by 121; 112 infrared rays that send can only receive by 122; 113 infrared rays that send can only receive by 123; 114 infrared rays that send can only receive by 124;
One row's infrared transmitting tube is installed on a side of automobile door, row's infrared receiving tube is installed on an other side of automobile door, and accomplish correspondingly one by one, guarantee that 101 infrared rays that send can only be received by 104 pipes; 114 infrared rays that send can only be received by 124 pipes.
Infrared transmission pipe (101,102,103,110,111,112,113,114) is formed row's infraluminescence pipe; Infrared receiving tube (104,105,106,120,121,122,123,124) is formed row's infrared receiving tube and is formed; The infrared ray that infrared transmission pipe (101) sends can only receive by infrared receiving tube (104); The infrared ray that infrared transmission pipe (102) sends can only receive by infrared receiving tube (105); The infrared ray that infrared transmission pipe (103) sends can only be received by infrared receiving tube (106); The infrared ray that infrared transmission pipe (110) sends can only be received by infrared receiving tube (120); The infrared ray that infrared transmission pipe (111) sends can only be received by infrared receiving tube (121); The infrared ray that infrared transmission pipe (112) sends can only be received by infrared receiving tube (122); The infrared ray that infrared transmission pipe (113) sends can only be received by infrared receiving tube (123); The infrared ray that infrared transmission pipe (114) sends can only be received by infrared receiving tube (124);
One row's infrared transmitting tube is installed on a side of automobile door, row's infrared receiving tube is installed on an other side of automobile door, and accomplish correspondingly one by one, guarantee that the infrared ray that infrared transmission pipe (101) sends can only be received by infrared receiving tube (104) pipe; The infrared ray that infrared transmission pipe (114) sends can only be received by infrared receiving tube (124) pipe.
Preferred embodiment 5:
Infrared ray with following some infrared tube emissions when the people gets on the bus is blocked, and is empty above; Utilize the signal of each infrared receiving tube of processor for recording, thereby the general height and the record that roughly calculate every passenger pass through number;
When people cannot not get on the bus crowdedly, a people comprised a break-make that produces following several infrared receiving tubes when saluting by car door, thus the number that more accurate record is got on the bus;
When people get on the bus when crowded, the light that photoelectric receiving tube normally receives is blocked always fully, have only top broadcasting and TV pipe may produce break-make, if each number of people is not parallel by blocking infrared photocell, infrared photocell then produces break-make, thereby can write down the number of people number by this row's infrared photocell, thus the number that record is got on the bus, below because luggage etc. blocks infrared photocell continuously, count results is not had influence.
Preferred embodiment 6:
During as two numbers of people and together by the broadcasting and TV pipe, may produce the number of getting on the bus and lack, thereby produce counting error than actual number;
Adopt double infrared light pipe and double infrared receiving tube method, as Fig. 3 is double infraluminescence pipe, Fig. 4 is double infrared receiving tube, the infrared light that infraluminescence pipe (301) sends can only be received by infrared receiving tube (401), the infrared light that infraluminescence pipe (302) sends can only be received by infrared receiving tube (402), the infrared light that infraluminescence pipe (303) sends can only be received by infrared receiving tube (403), the infrared light that infraluminescence pipe (304) sends can only be received by infrared receiving tube (404), the infrared light that infraluminescence pipe (305) sends can only be received by infrared receiving tube (405), and the infrared light that infraluminescence pipe (306) sends can only be received by infrared receiving tube (406); The distance of infraluminescence pipe (301) and infraluminescence pipe (304) is greater than 30 centimetres, guarantee that the number of people does not block the infrared light of the infrared receiving tube of infraluminescence pipe (301) and infraluminescence pipe (304) correspondence simultaneously, as long as two numbers of people have successively during by double infraluminescence pipe, just can tell is two people like this;
Because two row's infraluminescence pipe and infrared receiving tubes are arranged, always block the light that first row's infrared photocell sends when the people gets on the bus earlier simultaneously, then block second row's photoelectric tube again, know that present passenger is getting on the bus;
Equally, block second row's infraluminescence pipe earlier as the passenger, block first row's infraluminescence pipe again, the expression passenger gets off; Thereby can accurately add up psgrs. No. of of getting on the bus and the psgrs. No. of of getting off; And add up the time that the passenger gets on the bus and gets off; Be connected with gps signal and can also be positioned with how many passengers and where get on the bus, have how many passengers where to get off; And passenger's information such as roughly height.
Preferred embodiment 7:
Fig. 5 is a twin camera, and two passengers of aid identification or a plurality of passenger get on the bus simultaneously, and 501 is the twin camera frame, and 502 is that normal optical video camera 1,503 is a normal optical video camera 2; Utilize two video cameras to make a video recording simultaneously, its image is because the angle difference of shooting, by the three-dimensional image reconstruction algorithm, produce three-dimensional image, it is a passenger or two passengers that method by pattern-recognition identifies, even more passenger, just at the same time by double infraluminescence pipe and infrared receiving tube, compensate the deficiency of double infraluminescence pipe and infrared receiving tube test, thereby realize more accurate measurement.
Preferred embodiment 8:
Fig. 6 is for utilizing thermal camera, and two passengers of aid identification or a plurality of passenger get on the bus simultaneously, and 601 is the twin camera frame, and 602 is the infrared pick-up machine, because people's fever, the infrared radiation of its ir signature and background is also inequality;
Line between double infrared transmission pipe and the double infrared receiving tube is a rectangular area on thermal camera, and when the passenger sends between pipe and the infrared light receiving tube by infrared light, its infrared image will have imaging on the thermal camera rectangular area; When having an infrared image, this zone represent just to have a passenger by the zone between double photoelectricity transmission pipe and the double receiving tube; When having two infrared images, this zone represent just to have two passengers simultaneously by the zone between double photoelectricity transmission pipe and the double receiving tube; When having three infrared images, this zone represent just to have three passengers to send zone between pipe and the double receiving tube or the like simultaneously by double photoelectricity; Compensate the deficiency of double infraluminescence pipe and infrared receiving tube test, thereby realize more accurate measurement.
Preferred embodiment 9:
In the preferred case 8 is double infraluminescence, receiving tube; Equally also can have only the situation of row's infraluminescence pipe and infrared receiving tube, be straight line between at this moment single infraluminescence and the receiving tube, is straight line on thermal camera; At this moment on this straight line of thermal camera, several infrared imagings are arranged by pattern-recognition, thereby identification has several passengers simultaneously by the car door between infraluminescence pipe and the infrared receiving tube, compensate the deficiency of single infraluminescence pipe and infrared receiving tube test, thereby realize more accurate measurement.
Preferred embodiment 10:
In the preferred embodiment 6, the distance of infraluminescence pipe (301) and infraluminescence pipe (304) is greater than 30 centimetres, guarantee that the number of people does not block the infrared light of the infrared receiving tube of infraluminescence pipe (301) and infraluminescence pipe (304) correspondence simultaneously, as long as two numbers of people have successively during by double infraluminescence pipe, just can tell is two people like this;
Infraluminescence pipe (301) also can be to be less than or equal to 30 centimetres with the distance of infraluminescence pipe (304);
Double in addition infraluminescence pipe and double infrared receiving tube wherein have the row also can be only with a pair of infrared light power valve and infrared light receiving tube.
Though in conjunction with the accompanying drawings embodiments of the present invention are described, those of ordinary skills can make various distortion or modification within the scope of the appended claims.
Claims (9)
1. the vehicle number intelligence counting implement device of getting on or off the bus, its feature comprises: infrared transmission pipe, infrared receiving tube, processor, thermal camera, common camera, Flame Image Process DSP;
Described infrared transmission pipe, infrared receiving tube, processor is formed people's counter implement device of getting on or off the bus;
Described thermal camera, common camera, Flame Image Process DSP forms people's counter implement device of getting on or off the bus.
2. a kind of vehicle according to claim 1 number intelligence counting implement device of getting on or off the bus is characterized in that: described infrared transmission pipe, and infrared receiving tube, processor is formed people's counter implement device of getting on or off the bus;
Infrared transmitting tube (101), infrared receiving tube (104) is the car door symmetric offset spread relatively, and the infrared ray that infraluminescence pipe (101) sends can only be received by infrared receiving tube (104) infrared receiving tube; Infrared transmitting tube (102), infrared transmitting tube (105) is the car door symmetric offset spread relatively, and the infrared ray that infraluminescence pipe (102) sends can only be received by infrared receiving tube (105) infrared receiving tube; Infrared receiving tube (114), infrared receiving tube (124) is the car door symmetric offset spread relatively, and the infrared ray that infraluminescence pipe (114) sends can only be received by infrared receiving tube (124) infrared receiving tube.
3. a kind of vehicle according to claim 1 number intelligence counting implement device of getting on or off the bus is characterized in that: described infrared transmission pipe, and infrared receiving tube, processor is formed people's counter implement device of getting on or off the bus;
Cylindrical tube (201), infraluminescence pipe (202); Cylindrical tube (201) effect is the direction restriction that Infrared that infraluminescence pipe (202) luminotron is sent is sent, and it can only be received by the infrared receiving tube of correspondence.
4. a kind of vehicle according to claim 1 number intelligence counting implement device of getting on or off the bus is characterized in that:
The infraluminescence pipe, double corresponding one by one arrangement of infrared receiving tube;
Infraluminescence pipe (301), infraluminescence pipe (302), infraluminescence pipe (303) are first row; Infraluminescence pipe (304), infraluminescence pipe (305), infraluminescence pipe (306) are second row;
Infrared receiving tube (401), infrared receiving tube (402), infrared receiving tube (403) are first row; Infrared receiving tube (404), infrared receiving tube (405), infrared receiving tube (406) are second row;
Infraluminescence pipe (301), infrared receiving tube (401) is the car door symmetric offset spread relatively,, the infrared ray that infraluminescence pipe (301) sends can only be received by infrared receiving tube (401) infrared receiving tube; Infraluminescence pipe (302), infrared receiving tube (402) is the car door symmetric offset spread relatively, and the infrared ray that infraluminescence pipe (302) sends can only be received by infrared receiving tube (402) infrared receiving tube; Infraluminescence pipe (303), infrared receiving tube (403) is the car door symmetric offset spread relatively, and the infrared ray that infraluminescence pipe (303) sends can only be received by infrared receiving tube (403) infrared receiving tube; Infraluminescence pipe (304), infrared receiving tube (404) is the car door symmetric offset spread relatively, and the infrared ray that infraluminescence pipe (304) sends can only be received by infrared receiving tube (404) infrared receiving tube; Infraluminescence pipe (305), infrared receiving tube (405) is the car door symmetric offset spread relatively, and the infrared ray that infraluminescence pipe (305) sends can only be received by infrared receiving tube (405) infrared receiving tube; Infraluminescence pipe (306), infrared receiving tube (406) is the car door symmetric offset spread relatively, and the infrared ray that infraluminescence pipe (306) sends can only be received by infrared receiving tube (406) infrared receiving tube.
5. a kind of vehicle according to claim 1 number intelligence counting implement device of getting on or off the bus is characterized in that:
One row's infrared transmitting tube is installed on a side of automobile door, and the other side symmetry that row's infrared receiving tube is installed on the automobile door is installed, and accomplishes correspondingly one by one, guarantees that the infrared ray that infrared transmission pipe (101) sends can only be received by infrared receiving tube (104) pipe; The infrared ray that infrared transmission pipe (114) sends can only be received by infrared receiving tube (124) pipe.
6. a kind of vehicle according to claim 1 number intelligence counting implement device of getting on or off the bus is characterized in that:
Utilize two video cameras, its image is because the angle difference of shooting by the three-dimensional image reconstruction algorithm, produces three-dimensional image, and it is a passenger or two passengers that the method by pattern-recognition identifies, even more passenger.
7. a kind of vehicle according to claim 1 number intelligence counting implement device of getting on or off the bus is characterized in that:
Line between double infrared transmission pipe and the double infrared receiving tube is a rectangular area on thermal camera, and when the passenger sends between pipe and the infrared light receiving tube by infrared light, its infrared image will have imaging on the thermal camera rectangular area; When having an infrared image, this zone represent just to have a passenger by the zone between double photoelectricity transmission pipe and the double receiving tube; When having two infrared images, this zone represent just to have two passengers simultaneously by the zone between double photoelectricity transmission pipe and the double receiving tube; When having three infrared images, this zone represent just to have three passengers to send zone between pipe and the double receiving tube or the like simultaneously by double photoelectricity; Compensate the deficiency of double infraluminescence pipe and infrared receiving tube test, thereby realize more accurate measurement.
8. a kind of vehicle according to claim 1 number intelligence counting implement device of getting on or off the bus is characterized in that:
Having only the situation of row's infraluminescence pipe and infrared receiving tube, is straight line between at this moment single infraluminescence and the receiving tube, is straight line on thermal camera; At this moment on this straight line of thermal camera, several infrared imagings are arranged by pattern-recognition, thereby identification there are several passengers simultaneously by the car door between infraluminescence pipe and the infrared receiving tube, compensate the deficiency of single infraluminescence pipe and infrared receiving tube test.
9. a kind of vehicle according to claim 1 number intelligence counting implement device of getting on or off the bus is characterized in that:
Infraluminescence pipe (301) also can be to be less than or equal to 30 centimetres with the distance of infraluminescence pipe (304);
Double in addition infraluminescence pipe and double infrared receiving tube wherein have the row also can be only with a pair of infrared light power valve and infrared light receiving tube.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200838877U CN202049539U (en) | 2011-03-28 | 2011-03-28 | On-off number intelligent counting realizing device of vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200838877U CN202049539U (en) | 2011-03-28 | 2011-03-28 | On-off number intelligent counting realizing device of vehicle |
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| CN202049539U true CN202049539U (en) | 2011-11-23 |
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| CN2011200838877U Expired - Lifetime CN202049539U (en) | 2011-03-28 | 2011-03-28 | On-off number intelligent counting realizing device of vehicle |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104137155A (en) * | 2012-02-29 | 2014-11-05 | 皇家飞利浦有限公司 | Apparatus, method and system for monitoring presence of persons in an area |
| CN105827826A (en) * | 2016-03-04 | 2016-08-03 | 维沃移动通信有限公司 | Mobile terminal operation mode switching method and mobile terminal |
| CN105913535A (en) * | 2016-06-10 | 2016-08-31 | 南京交通职业技术学院 | Combined detection type passenger counting device |
| CN104137155B (en) * | 2012-02-29 | 2016-11-30 | 皇家飞利浦有限公司 | For monitoring the device of the existence of personnel, method and system in region |
| CN108710321A (en) * | 2018-05-16 | 2018-10-26 | 上海应用技术大学 | Rail transit cars congestion state monitors system |
| CN109360311A (en) * | 2018-10-12 | 2019-02-19 | 常熟理工学院 | A kind of public transport degree of crowding measurement method |
| CN110893817A (en) * | 2018-09-12 | 2020-03-20 | 台山市金桥铝型材厂有限公司 | Automobile side pedal |
| CN110893818A (en) * | 2018-09-12 | 2020-03-20 | 台山市金桥铝型材厂有限公司 | Automobile side pedal and automobile side pedal control method |
| CN111932411A (en) * | 2020-09-30 | 2020-11-13 | 深圳市城市交通规划设计研究中心股份有限公司 | Method and device for determining urban land function and terminal equipment |
-
2011
- 2011-03-28 CN CN2011200838877U patent/CN202049539U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104137155A (en) * | 2012-02-29 | 2014-11-05 | 皇家飞利浦有限公司 | Apparatus, method and system for monitoring presence of persons in an area |
| CN104137155B (en) * | 2012-02-29 | 2016-11-30 | 皇家飞利浦有限公司 | For monitoring the device of the existence of personnel, method and system in region |
| CN105827826A (en) * | 2016-03-04 | 2016-08-03 | 维沃移动通信有限公司 | Mobile terminal operation mode switching method and mobile terminal |
| CN105913535A (en) * | 2016-06-10 | 2016-08-31 | 南京交通职业技术学院 | Combined detection type passenger counting device |
| CN105913535B (en) * | 2016-06-10 | 2018-07-03 | 南京交通职业技术学院 | A kind of compound detection type passenger's counting device |
| CN108710321A (en) * | 2018-05-16 | 2018-10-26 | 上海应用技术大学 | Rail transit cars congestion state monitors system |
| CN110893817A (en) * | 2018-09-12 | 2020-03-20 | 台山市金桥铝型材厂有限公司 | Automobile side pedal |
| CN110893818A (en) * | 2018-09-12 | 2020-03-20 | 台山市金桥铝型材厂有限公司 | Automobile side pedal and automobile side pedal control method |
| CN109360311A (en) * | 2018-10-12 | 2019-02-19 | 常熟理工学院 | A kind of public transport degree of crowding measurement method |
| CN111932411A (en) * | 2020-09-30 | 2020-11-13 | 深圳市城市交通规划设计研究中心股份有限公司 | Method and device for determining urban land function and terminal equipment |
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Address after: Binjiang District River Street Hangzhou City, Zhejiang province Jiang Er Lu 310030 No. 400 Building 2 room 513 Patentee after: Hangzhou Hong Quan Internet of things technology Limited by Share Ltd Address before: Hangzhou City, Zhejiang province 310030 West Lake science and Technology Park West eight road 2 block B No. 5 Patentee before: Hangzhou Hopechart Digital Equipment Co., Ltd. |
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Granted publication date: 20111123 |