CN105405251A - Taxi display control alarm system and realization method - Google Patents
Taxi display control alarm system and realization method Download PDFInfo
- Publication number
- CN105405251A CN105405251A CN201510955393.6A CN201510955393A CN105405251A CN 105405251 A CN105405251 A CN 105405251A CN 201510955393 A CN201510955393 A CN 201510955393A CN 105405251 A CN105405251 A CN 105405251A
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- taxi
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- signal detection
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 230000006870 function Effects 0.000 claims description 29
- 238000012790 confirmation Methods 0.000 claims description 8
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 claims description 5
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 claims description 5
- 102100021133 Nuclear protein 1 Human genes 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000029305 taxis Effects 0.000 abstract 3
- 241000282327 Felis silvestris Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0297—Robbery alarms, e.g. hold-up alarms, bag snatching alarms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/016—Personal emergency signalling and security systems
Abstract
The invention relates to a taxi display control alarm system and realization method, and belongs to the field of taxi navigation and valuation. The system comprises a touch control machine, a roof LED display strip screen, an alarm signal detection control module, a roof alarm lamp and an alarm switch, wherein the touch control machine is connected with the alarm signal detection control module and the roof LED display strip screen; and the alarm signal detection control module is electrically connected with the roof alarm lamp and the alarm switch nearby a pedal, the roof LED display strip screen displays places and a rated passenger number towards the front of a vehicle, provides ride information for pedestrians outside the vehicle and given an alarm prompt in case of looting, and the roof alarm lamp flickers to ask people around for alarm assistance. According to the invention, scientific operation of taxes is facilitated, necessary support is provided for sharing the same taxi, the flexible passenger-carrying capability and the carrying capability of the taxes are improved, the problem of difficulty in calling the taxes in cities is alleviated, both taxi drivers and passengers benefit from taxi sharing, and at the same time, a new alarm means is provided for the taxi drivers.
Description
Technical field
The present invention relates to a kind of taxi display and control warning system and implementation method, especially a kind of intelligentized taxi display and control warning system and implementation method realizing several functions with software mode flexibly, belong to taxi navigation and valuation technical field.
Background technology
Along with the increase of people's income, and the expense of calling a taxi does not improve substantially, the people gone on a journey that calls a taxi gets more and more, and urban road resource is more and more rare, and taxi driver belongs to Sole Proprietorship, profit is too low is just reluctant car, or nonstandard operations such as occurring take-up road, choose visitor, negotiate a price, refuse to take passengers, to such an extent as in morning and evening peak period, during bad weather, Special zone people just beat less than car at all, and wildcat illegal vehicle also occurs thereupon.Even if there is car to take advantage of, be also an objective car usually, taxi resource can not obtain Appropriate application.
China only allows taxi carrying to be namely commonly called as " share-car " at present in a few cities, but the taxi sharing taximeter function used is on a small quantity simple, and be the LED display not having roof to show forward, present taxi roof LED display screen is presenting advertising content backward, only have only a few taxi can show destination at front passenger window, the outer passenger of car does not know that this taxi via where arriving destination, will can not provide necessary support for taxi.The existence of these problems constrains the paces of taxi science operation.
Simultaneously, existing taxi GPS positioning alarm system is designed with defect, when taxi experience is robbed, driver pushes for emergency after button, alarm center can make a phone call to inquire, now driver dare not answer the call and say truth under being held as a hostage, and cannot send the signal of being held as a hostage, people does not around know that this car is held as a hostage yet, and this warning function performs practically no function.
For overcoming the above problems, the invention provides a kind of taxi display and control warning system and its implementation, for taxi provides necessary support, for taxi driver provides a kind of warning means newly, the science operation for taxi provides the necessary technical guarantee.
Summary of the invention
The technical problem to be solved in the present invention is: the invention provides a kind of taxi display and control warning system and implementation method, contribute to the operation of taxi science, for taxi provides necessary support, to improve flexible passenger carrying capacity and the carrying capacity of taxi, alleviate city call a taxi difficulty problem, taxi driver and passenger are benefited, simultaneously for taxi driver provides a kind of warning means newly in carpool.
Technical solution of the present invention is: a kind of taxi display and control warning system, comprises touch-control machine 1, roof LED display strip screen 2, alerting signal detection control module 3, roof alarm lamp 4 and alarm switch 5;
Described touch-control machine 1 is connected with alerting signal detection control module 3, roof LED display strip screen 2 respectively;
Described alerting signal detection control module 3 respectively and roof alarm lamp 4, alarm switch 5 near pedal be electrically connected.
Described touch-control machine 1 adopts LJD-eWin7S touch-control machine, and roof LED display strip screen 2 adopts YDGW-P6 roof LED display strip screen, and alerting signal detection control module 3 adopts the alerting signal detection control module with STC15F104E single-chip microcomputer;
The RS232 interface COM1 of described touch-control machine 1 is connected with the RS232 interface of alerting signal detection control module 3, and RS485 interface COM3 is connected with the RS485 communication interface of roof LED display strip screen 2;
Described alerting signal detection control module 3 by four wires respectively and roof alarm lamp 4, alarm switch 5 near pedal be electrically connected.
Described touch-control machine 1 has FRAM ferroelectric memory, has two RS232 interfaces and a RS485 interface.
Described alerting signal detection control module 3 is containing single-chip microcomputer, TTL-232 change-over circuit and RS232 interface, light emitting diode, alarm switch interface, roof alarm lamp interface.
A kind of taxi display and control alarm implementation method is:
Described touch-control machine 1 is as the control core of alerting signal detection control module 3, its touch-screen graphical user's display interface and function are all realized by software programming, changing interface is undertaken by the function button on single-click interface, and text edit box supports handwriting input and Pinyin Input; Coordinate software programming to realize power-off protection function, the display of roof LED display strip screen 2 and control by hardware, rob warning function.
Taxi is shown the FRAM ferroelectric memory of service data write touch-control machine 1 by described touch-control machine 1 by software programming; realize power-off protection function; if i.e. unexpected power-off in system normal course of operation; then the taxi display service data being stored in FRAM ferroelectric memory can be read after system reboot, the state then before power-off works on.
Automatically display and control alert operation interface is entered after described touch-control machine 1 starts, comprise via ground, number can be taken advantage of and button is set, hand-written and software keyboard mode inputs and revises four Chinese and English information via ground, four are exchanged via the position of ground in edit box by " changing 12 ", " changing 23 " and " changing 34 " button, to allow it show on roof LED display strip screen 2 according to order from the near to the remote, each via there being " backspace " button on the right side of ground edit box, convenient amendment is via ground information; By select fast the operation of " empty wagons ", " remaininging 3 ", " remaininging 2 ", " remaininging 1 " and " without seat " button in car can seating capacity, and by " display " button, all information is shown on roof LED display strip screen 2.
The described display of roof LED display strip screen 2 and the implementation method of control make its display direction show to front side during installation, displaying contents be touch-control machine 1 display and control alert operation interface inputs four via ground, number or warning message can be taken advantage of; All over the screenly show 8 Chinese characters or 16 half-angle English characters and symbol, displaying contents just fixing display within all over the screen, displaying contents exceedes all over the screen, shows, to demonstrate more content in continuous rolling mode from right to left.
Described implementation method of robbing warning function is, alerting signal detection control module 3 detects that near pedal, alarm switch 5 continues closed 10 seconds, roof alarm lamp 4 is driven to glimmer, taxi is robbed signal simultaneously and given touch-control machine 1, touch-control machine 1 display and control alert operation interface occurs small warning mark informs driver, control roof LED display strip screen 2 display alarm information, prompting car outside pedestrian assists to report to the police, return confirmation signal to alerting signal detection control module 3 simultaneously, alerting signal detection control module 3 lights light emitting diode hidden in alerting signal detection control module 3 in car after receiving the confirmation signal, inform that driver's roof alerting signal sends successfully.
The invention has the beneficial effects as follows:
Taxi top LED display strip screen of the present invention shows forward via ground, destination and can take advantage of number, goers outside vehicle is facilitated to know traffic route and Che Nei situation, to determine whether this taxi of carpool, contribute to the operation of taxi science, for taxi provides necessary support, to improve flexible passenger carrying capacity and the carrying capacity of taxi, alleviate city call a taxi difficulty problem, make taxi driver and passenger in carpool be benefited;
The present invention also has and robs warning function, and when meeting robber and kidnapping, driver's pin steps on alarm switch more than 10 seconds, and now roof LED show bar screen display " is robbed, please be reported to the police! " printed words, roof alarm glimmers, and with alarm car, outer everybody helps driver.Meanwhile, hidden in car LED flash prompting alarm driver signal has sent successfully.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is alerting signal detection control modular electrical schematic diagram of the present invention;
Fig. 3 is display and control alert operation interface of the present invention.
Each label in Fig. 1-3: 1-touch-control machine, 2-roof LED display strip screen, 3-alerting signal detection control module, 4-roof alarm lamp, 5-alarm switch.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment 1: as Figure 1-3, a kind of taxi display and control warning system, comprises touch-control machine 1, roof LED display strip screen 2, alerting signal detection control module 3, roof alarm lamp 4 and alarm switch 5;
Described touch-control machine 1 is connected with alerting signal detection control module 3, roof LED display strip screen 2 respectively;
Described alerting signal detection control module 3 respectively and roof alarm lamp 4, alarm switch 5 near pedal be electrically connected.
Described touch-control machine 1 adopts LJD-eWin7S touch-control machine, and roof LED display strip screen 2 adopts YDGW-P6 roof LED display strip screen, and alerting signal detection control module 3 adopts the alerting signal detection control module with STC15F104E single-chip microcomputer;
The RS232 interface COM1 of described touch-control machine 1 is connected with the RS232 interface of alerting signal detection control module 3, and RS485 interface COM3 is connected with the RS485 communication interface of roof LED display strip screen 2;
Described alerting signal detection control module 3 by four wires respectively and roof alarm lamp 4, alarm switch 5 near pedal be electrically connected.
Described touch-control machine 1 has FRAM ferroelectric memory, has two RS232 interfaces and a RS485 interface.
Described alerting signal detection control module 3 is containing single-chip microcomputer, TTL-232 change-over circuit and RS232 interface, light emitting diode, alarm switch interface, roof alarm lamp interface.
A kind of taxi display and control alarm implementation method is:
Described touch-control machine 1 is as the control core of alerting signal detection control module 3, its touch-screen graphical user's display interface and function are all realized by software programming, changing interface is undertaken by the function button on single-click interface, and text edit box supports handwriting input and Pinyin Input; Coordinate software programming to realize power-off protection function, the display of roof LED display strip screen 2 and control by hardware, rob warning function.
Taxi is shown the FRAM ferroelectric memory of service data write touch-control machine 1 by described touch-control machine 1 by software programming; realize power-off protection function; if i.e. unexpected power-off in system normal course of operation; then the taxi display service data being stored in FRAM ferroelectric memory can be read after system reboot, the state then before power-off works on.
Automatically display and control alert operation interface is entered after described touch-control machine 1 starts, comprise via ground, number can be taken advantage of and button is set, hand-written and software keyboard mode inputs and revises four Chinese and English information via ground, four are exchanged via the position of ground in edit box by " changing 12 ", " changing 23 " and " changing 34 " button, to allow it show on roof LED display strip screen 2 according to order from the near to the remote, each via there being " backspace " button on the right side of ground edit box, convenient amendment is via ground information; By select fast the operation of " empty wagons ", " remaininging 3 ", " remaininging 2 ", " remaininging 1 " and " without seat " button in car can seating capacity, and by " display " button, all information is shown on roof LED display strip screen 2.
The described display of roof LED display strip screen 2 and the implementation method of control make its display direction show to front side during installation, displaying contents be touch-control machine 1 display and control alert operation interface inputs four via ground, number or warning message can be taken advantage of; All over the screenly show 8 Chinese characters or 16 half-angle English characters and symbol, displaying contents just fixing display within all over the screen, displaying contents exceedes all over the screen, shows, to demonstrate more content in continuous rolling mode from right to left.
Described implementation method of robbing warning function is, alerting signal detection control module 3 detects that near pedal, alarm switch 5 continues closed 10 seconds, roof alarm lamp 4 is driven to glimmer, taxi is robbed signal simultaneously and given touch-control machine 1, touch-control machine 1 display and control alert operation interface occurs small warning mark informs driver, control roof LED display strip screen 2 display alarm information, prompting car outside pedestrian assists to report to the police, return confirmation signal to alerting signal detection control module 3 simultaneously, alerting signal detection control module 3 lights light emitting diode hidden in alerting signal detection control module 3 in car after receiving the confirmation signal, inform that driver's roof alerting signal sends successfully.
Embodiment 2: as shown in Figure 1, 2, a kind of taxi display and control warning system, is made up of jointly LJD-eWin7S touch-control machine 1, YDGW-P6 roof LED display strip screen 2, alerting signal detection control module 3, carry magnet rotary top alarm lamp 4 and alarm switch 5 with STC15F104E single-chip microcomputer;
The RS232 interface COM1 of described LJD-eWin7S touch-control machine 1 is connected with the RS232 interface P6 of alerting signal detection control module 3, and RS485 interface COM3 is connected with 485 communication interfaces of roof LED display strip screen 2;
Described alerting signal detection control module 3 by four wires respectively and roof alarm lamp 4D6, alarm switch 5S1 near pedal be electrically connected.
Described LJD-eWin7S touch-control machine 1 has the FRAM ferroelectric memory of 8kB, has two RS232 interfaces and a RS485 interface.
As shown in Figure 2, described alerting signal detection control module 3 is containing STC15F104E single-chip microcomputer, TTL-232 change-over circuit MAX232 and RS232 interface P6, light emitting diode D5, alarm switch interface S1, roof alarm lamp interface D6.
A kind of taxi display and control alarm implementation method is:
Described LJD-eWin7S touch-control machine 1 is as the control core of display and control warning system 2, its touch-screen WinCE graphical user's display interface and function are all realized by software programming, changing interface is undertaken by the function button on single-click interface, and text edit box supports handwriting input and Pinyin Input; Coordinate software programming to realize power-off protection function, the display of roof LED display strip screen and control by hardware, rob warning function.
Taxi is shown service data write FRAM ferroelectric memory by software programming by LJD-eWin7S touch-control machine 1; realize power-off protection function; if i.e. unexpected power-off in system normal course of operation; then the taxi display service data being stored in FRAM ferroelectric memory can be read after system reboot, the state then before power-off works on.
Automatically display and control alert operation interface is as shown in Figure 3 entered after LJD-eWin7S touch-control machine 1 starts, comprise via ground, number can be taken advantage of and button is set, hand-written and software keyboard mode can input and revise four Chinese and English information via ground, four are exchanged via the position of ground in edit box by " changing 12 ", " changing 23 " and " changing 34 " button, to allow it show on roof LED display strip screen 2 according to order from the near to the remote, each via there being " backspace " button on the right side of ground edit box, convenient amendment is via ground information; By select fast the operation of " empty wagons ", " remaininging 3 ", " remaininging 2 ", " remaininging 1 " and " without seat " button in car can seating capacity, and by " display " button, all information is shown on YDGW-P6 roof LED display strip screen 2.
The display of YDGW-P6 roof LED display strip screen 2 and the implementation method of control are, make its display direction show to front side during installation, displaying contents be LJD-eWin7S touch-control machine 1 display and control alert operation interface inputs four via ground, number or warning message can be taken advantage of; All over the screenly show 8 Chinese characters or 16 half-angle English characters and symbol, displaying contents just fixing display within all over the screen, displaying contents exceedes all over the screen, shows, to demonstrate more content in continuous rolling mode from right to left.
The implementation method of robbing warning function is, when running into robber, driver touches S1 alarm switch 5 near pedal and keeps 10 seconds in the unwitting situation of robber, in alerting signal detection control module 3, STC15F104E microprocessor detect continues within 10 seconds, to be low level to P3.2, namely S1 alarm switch 5 continues closed 10 seconds, just P3.3 is made to be high level, triode Q3 conducting is made by resistance R6, relay J D1 coil obtains electric, contact NO and COM connects, D6 carry magnet rotary top alarm lamp 4 is driven to glimmer, prompting car outside pedestrian assists to report to the police, receive MAX232 chip by TXD simultaneously and carry out TTL-232 conversion, by RS232 interface P6, taxi is robbed signal and given LJD-eWin7S touch-control machine 1, LJD-eWin7S touch-control machine 1 shows and controls as shown in Figure 3 alert operation interface to occur " display " button informs driver by bright dimmed small warning mark, control YDGW-P6 roof LED display strip screen 2 display alarm information " is robbed, please report to the police! " printed words, further alarm car unprofessional person assists to report to the police, return confirmation signal by RS232 interface COM1 to the interface P6 of alerting signal detection control module 3, alerting signal detection control module 3STC15F104E single-chip microcomputer RXD makes P3.5 be low level after receiving the confirmation signal, light light emitting diode D5 hidden in alerting signal detection control module 3 in car, informs that driver's roof alerting signal sends successfully simultaneously.
By reference to the accompanying drawings specific embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (9)
1. a taxi display and control warning system, is characterized in that: comprise touch-control machine (1), roof LED display strip screen (2), alerting signal detection control module (3), roof alarm lamp (4) and alarm switch (5);
Described touch-control machine (1) is connected with alerting signal detection control module (3), roof LED display strip screen (2) respectively;
Described alerting signal detection control module (3) respectively and roof alarm lamp (4), alarm switch (5) electrical connection near pedal.
2. taxi display and control warning system according to claim 1, it is characterized in that: described touch-control machine (1) adopts LJD-eWin7S touch-control machine, roof LED display strip screen (2) adopts YDGW-P6 roof LED display strip screen, and alerting signal detection control module (3) adopts the alerting signal detection control module with STC15F104E single-chip microcomputer;
The RS232 interface COM1 of described touch-control machine (1) is connected with the RS232 interface of alerting signal detection control module (3), and RS485 interface COM3 is connected with the RS485 communication interface of roof LED display strip screen (2);
Described alerting signal detection control module (3) by four wires respectively and roof alarm lamp (4), alarm switch (5) electrical connection near pedal.
3. taxi display and control warning system according to claim 1, is characterized in that: described touch-control machine (1) has FRAM ferroelectric memory, has two RS232 interfaces and a RS485 interface.
4. taxi display and control warning system according to claim 1, is characterized in that: described alerting signal detection control module (3) is containing single-chip microcomputer, TTL-232 change-over circuit and RS232 interface, light emitting diode, alarm switch interface, roof alarm lamp interface.
5. a taxi display and control alarm implementation method, is characterized in that:
Touch-control machine (1) is as the control core of alerting signal detection control module (3), its touch-screen graphical user's display interface and function are all realized by software programming, changing interface is undertaken by the function button on single-click interface, and text edit box supports handwriting input and Pinyin Input; Coordinate software programming to realize power-off protection function, the display of roof LED display strip screen (2) and control by hardware, rob warning function.
6. taxi display and control alarm implementation method according to claim 5; it is characterized in that: taxi is shown the FRAM ferroelectric memory of service data write touch-control machine (1) by described touch-control machine (1) by software programming; realize power-off protection function; if i.e. unexpected power-off in system normal course of operation; then the taxi display service data being stored in FRAM ferroelectric memory can be read after system reboot, the state then before power-off works on.
7. taxi display and control alarm implementation method according to claim 5, it is characterized in that: described touch-control machine (1) enters display and control alert operation interface after starting automatically, comprise via ground, number can be taken advantage of and button is set, hand-written and software keyboard mode inputs and revises four Chinese and English information via ground, by " changing 12 ", " change 23 " and " changing 34 " button exchanges four via the position of ground in edit box, to allow it show on roof LED display strip screen (2) according to order from the near to the remote, each via there being " backspace " button on the right side of ground edit box, convenient amendment is via ground information, by select fast the operation of " empty wagons ", " remaininging 3 ", " remaininging 2 ", " remaininging 1 " and " without seat " button in car can seating capacity, and by " display " button, all information is shown roof LED display strip screen (2) is upper.
8. taxi display and control alarm implementation method according to claim 5, it is characterized in that: the described display of roof LED display strip screen (2) and the implementation method of control are, make its display direction show to front side during installation, displaying contents be touch-control machine (1) display and control alert operation interface inputs four via ground, number or warning message can be taken advantage of; All over the screenly show 8 Chinese characters or 16 half-angle English characters and symbol, displaying contents just fixing display within all over the screen, displaying contents exceedes all over the screen, shows, to demonstrate more content in continuous rolling mode from right to left.
9. a kind of taxi display and control alarm implementation method according to claim 5, it is characterized in that: the implementation method of robbing warning function is, alerting signal detection control module (3) detects that alarm switch near pedal (5) continues closed 10 seconds, drive roof alarm lamp (4) flicker, taxi is robbed signal simultaneously and given touch-control machine (1), touch-control machine (1) display and control alert operation interface occurs small warning mark informs driver, control roof LED display strip screen (2) display alarm information, prompting car outside pedestrian assists to report to the police, return confirmation signal to alerting signal detection control module (3) simultaneously, alerting signal detection control module (3) lights the upper hidden light emitting diode of alerting signal detection control module (3) in car after receiving the confirmation signal, inform that driver's roof alerting signal sends successfully.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510955393.6A CN105405251A (en) | 2015-12-18 | 2015-12-18 | Taxi display control alarm system and realization method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510955393.6A CN105405251A (en) | 2015-12-18 | 2015-12-18 | Taxi display control alarm system and realization method |
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| CN105405251A true CN105405251A (en) | 2016-03-16 |
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| CN201510955393.6A Pending CN105405251A (en) | 2015-12-18 | 2015-12-18 | Taxi display control alarm system and realization method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107067645A (en) * | 2017-05-18 | 2017-08-18 | 成都锐奕信息技术有限公司 | Autoalarm based on solar recharging |
| CN108289029A (en) * | 2017-01-09 | 2018-07-17 | 北京嘀嘀无限科技发展有限公司 | Communication group method for building up and device |
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| CN2229381Y (en) * | 1995-11-17 | 1996-06-19 | 吕晓辉 | Soundless alarming device for vehicle robbed |
| CN2765822Y (en) * | 2004-11-25 | 2006-03-22 | 上海市宝山区青少年科学技术指导站 | Warning signal light |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108289029A (en) * | 2017-01-09 | 2018-07-17 | 北京嘀嘀无限科技发展有限公司 | Communication group method for building up and device |
| CN107067645A (en) * | 2017-05-18 | 2017-08-18 | 成都锐奕信息技术有限公司 | Autoalarm based on solar recharging |
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Application publication date: 20160316 |