CN102457704A - Vehicle-mounted multi-screen interaction system - Google Patents
Vehicle-mounted multi-screen interaction system Download PDFInfo
- Publication number
- CN102457704A CN102457704A CN2010105114848A CN201010511484A CN102457704A CN 102457704 A CN102457704 A CN 102457704A CN 2010105114848 A CN2010105114848 A CN 2010105114848A CN 201010511484 A CN201010511484 A CN 201010511484A CN 102457704 A CN102457704 A CN 102457704A
- Authority
- CN
- China
- Prior art keywords
- main display
- screen
- display
- vehicle
- display screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to a vehicle-mounted display and control system, in particular to a vehicle-mounted multi-screen interaction system which coordinates and controls the displaying contents and the control instructions of display screens of a plurality of vehicles. A main display screen is connected with main display processing equipment and is connected with a main controller through the main display processing equipment; each slave display screen is connected with slave control equipment; the slave control equipment is connected with the main controller through a video switching module; and the video switching module is used for switching the synchronous display and the independent display between the slave display screens and the main display screen. The vehicle-mounted multi-screen interaction system provided by the invention is connected with the main controller by using independent slave control equipment, and audio and video switches; the independent control between the slave display screens and the main display screen can be realized by the main controller through the operation of a user; both displayed content and outputted sound can be different; the display effect is good, the high resolution is supported, and the capacity of resisting disturbance is strong; and more free video-audio selection and operating experience can be brought for passengers in back rows.
Description
Technical field
The present invention relates to a kind of vehicle-mounted display control program, especially a kind of vehicle-mounted multi-screen interaction systems of coordinating to control many Che Chenei display screen displaying contents and control command.
Background technology
Corresponding vehicle electronics product is also more and more universal along with automobile is more and more universal at home! Vehicle-mounted product recreational also more and more stronger.As shown in Figure 1, the core of present most of vehicle navigation multimedia entertainment systems is circuit of host machine part, and the use of back pillow screen is the vision signal that shows main frame output mostly, and the picture of back pillow screen display is consistent with host picture; Make the passenger of back seat also can watch the same picture of foreground host.But shortcoming is to operate back pillow screen, has lacked operability and interactive with main frame.
Summary of the invention
But the purpose of this invention is to provide a kind of vehicle-mounted multi-screen interaction systems from display screen independent displaying and operation.
To achieve these goals, the following technical scheme of vehicle-mounted multi-screen interaction systems of the present invention:
It comprises main display; Master controller and at least one are from display screen; Master controller respectively with main display be connected from display screen; Master controller connects audio processing modules; Audio processing modules connects power amplifier and carries out audio frequency output, and its improvement is: main display connects one to be provided the main display processing device of main display interface and operation response and is connected with master controller through this main display processing device, said each from display screen connection one provide from display screen interface and operation response from control appliance; Saidly is connected with master controller through a video frequency switching module from control appliance, said video frequency switching module is to switching from display screen and the synchronous demonstration of main display and independent displaying.
Preferably, describedly be provided with a selector switch between control appliance and the audio processing modules.
Preferably, describedly be connected with the audio frequency peripheral hardware from control appliance.
Preferably, describedly be provided with the external audio signal input interface from control appliance.
Preferably; Said master controller sends vision signal to the video switch switch; The video switch switch is handled output to vision signal, and the vision signal of output outputs to main display through main display processing device, and the conversion of signals of main display processing device output becomes analog video signal to return master controller; The inverse signal of exporting main display processing device respectively to the video switch switch when master controller is to each during from display screen, main display and show same interface from display screen; When master controller when the video switch switch is exported the inverse signal of non-main display processing device respectively, main display with show different interfaces from display screen.
Preferably; The audio signal that master controller sends is carried out gating output through selector switch; Audio signal behind the gating is input to audio processing modules and handles; Audio signal after the processing is divided into 2 parts, and a part is input to power amplifier and handles the driving loudspeaker, and output supplies former car power amplifier or other uses to another part as circuit.
Owing to adopted such scheme; Vehicle-mounted multi-screen interaction systems of the present invention use independently from control appliance and audio frequency and video diverter switch be connected with master controller, master controller can be realized having realized independently controlling between display screen and the main display through user's operation; The sound of content displayed and output all can be different; Display effect is good, supports high-resolution, and antijamming capability is strong; Make back row passenger realize audio-visual more freely selection and operating experience.
Description of drawings
Fig. 1 is existing vehicle-mounted multi-screen system modular structure figure;
Fig. 2 is an embodiment of the invention integral module structural representation;
Fig. 3 is the integral module structural representation after the embodiment of the invention adds audio frequency.
Fig. 4 is a video playback correlation module structure chart of the present invention;
Fig. 5 is a voice playing correlation module structure chart of the present invention.
The object of the invention, function and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
As shown in Figure 2; The embodiment of the invention comprises main display 1, master controller 2 and at least one is from display screen; Present embodiment is an example from display screen one or two; Comprise first from display screen 3 and second from display screen 4; Master controller 2 respectively with main display 1 and first from display screen 3 and second from display screen 4; Master controller 2 connects audio processing modules 5; Audio processing modules 5 connects power amplifiers 6 and carries out audio frequency output, and main display 1 connects one provides the main display processing device 11 of main display interface and operation response also to be connected with master controller 2 through this main display processing device 11, said first from display screen 3 with second from display screen 4 be connected one provide from display screen interface and operation response first from control appliance 31 and second from control appliance 41; Saidly be connected with master controller 2 through a video frequency switching module 7 from control appliance 41 from first from control appliance 31 with second, 7 pairs first of said video frequency switching modules show and independent displaying is switched from display screen 4 and main display 1 from display screen 3 and second synchronously.
When realizing that video is independently controlled and play, in order to realize the independent control and the broadcast of audio frequency, as shown in Figure 3, present embodiment is provided with a selector switch group 8 from control appliance 31 and second between control appliance 41 and the audio processing modules 5 described first; Described first is connected with the first audio frequency peripheral hardware 32 and the second audio frequency peripheral hardware 42 from control appliance 31 and second respectively from control appliance 41; Described first is provided with the first external audio signal input interface 33 and the second external audio signal input interface 34 from control appliance 31 and second from control appliance 41.
As shown in Figure 4; Main display processing device 11 comprises the video drive unit 111 that is used for display driver, arm processor and the video D/A conversion unit 113 that is used for processing such as navigation operations and multimedia; Main display processing device is when carrying out video playback with control; Vision signal sends to video switch switch 7; The video switch switch is handled output to vision signal; The vision signal of output outputs to main display 1 through main display processing device 11, and the conversion of signals of main display processing device 11 outputs becomes analog video signal to return master controller 2, and the inverse signal to the first of exporting main display processing device 11 respectively to video switch switch 7 when master controller 2 is from control appliance 31 and second during from control appliance 41; First comprises a video drive unit from control appliance 31 and second respectively from control appliance 41, main display 1 and first shows same interface from display screen 3 and second from display screen 4; When master controller 2 when video switch switch 7 is exported the inverse signal of non-main display processing device 11 respectively, main display 1 shows different interfaces from display screen 3 with second from display screen 4 with first.
As shown in Figure 5; Selector switch group 8 among Fig. 2 and Fig. 3 comprises No. three selector switches, and the audio signal on the master controller is carried out gating output through first selector switch 81, and the audio signal behind the gating is input to audio processing modules 5 and handles; Audio signal after the processing is divided into 2 parts; A part is input to power discharging IC and handles the driving loudspeaker, and another part is exported as circuit, gives former car power amplifier or other uses.
Audio signal is carried out gating output through second selector switch 82, and the audio signal of output is through the output of the 3rd selector switch 83 gatings; As first from the control appliance 31 and second the input audio signal from control appliance 41; Also can import the audio frequency of oneself simultaneously in background user; Such as the sound of aux or recreation, after selector switch selection and Audio Processing, drive the peripheral hardware of loudspeaker or earphone and so on.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (7)
1. vehicle-mounted multi-screen interaction systems; Comprise main display, master controller and at least one is from display screen; Master controller respectively with main display be connected from display screen; Master controller connects audio processing modules; Audio processing modules connects power amplifier and carries out audio frequency output, it is characterized in that: main display connects one to be provided the main display processing device of main display interface and operation response and is connected with master controller through this main display processing device, said each from display screen connection one provide from display screen interface and operation response from control appliance; Saidly is connected with master controller through a video frequency switching module from control appliance, said video frequency switching module is to switching from display screen and the synchronous demonstration of main display and independent displaying.
2. vehicle-mounted multi-screen interaction systems as claimed in claim 1 is characterized in that: described from being provided with a selector switch group between control appliance and the audio processing modules.
3. vehicle-mounted multi-screen interaction systems as claimed in claim 1 is characterized in that: describedly be connected with the audio frequency peripheral hardware from control appliance.
4. vehicle-mounted multi-screen interaction systems as claimed in claim 1 is characterized in that: describedly be provided with the external audio signal input interface from control appliance.
5. vehicle-mounted multi-screen interaction systems as claimed in claim 1; It is characterized in that: vision signal sends to the video switch switch; The video switch switch is handled output to vision signal; The vision signal of output outputs to main display through main display processing device; The conversion of signals of main display processing device output becomes analog video signal to return master controller, and the inverse signal of exporting main display processing device respectively to the video switch switch when master controller is to each during from display screen, main display and show same interface from display screen; When master controller when the video switch switch is exported the inverse signal of non-main display processing device respectively, main display with show different interfaces from display screen.
6. vehicle-mounted multi-screen interaction systems as claimed in claim 1; It is characterized in that: the audio signal that master controller sends is carried out gating output through selector switch; Audio signal behind the gating is input to audio processing modules and handles; Audio signal after the processing is divided into 2 the tunnel, the one tunnel and is input to power amplifier processing driving loudspeaker, and another road is divided as the circuit output former car power amplifier of confession or other uses.
7. vehicle-mounted multi-screen interaction systems as claimed in claim 1 is characterized in that: said is touch-screen from display screen, and the operational order from the control appliance reception from display screen also sends to main control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105114848A CN102457704A (en) | 2010-10-18 | 2010-10-18 | Vehicle-mounted multi-screen interaction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105114848A CN102457704A (en) | 2010-10-18 | 2010-10-18 | Vehicle-mounted multi-screen interaction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102457704A true CN102457704A (en) | 2012-05-16 |
Family
ID=46040305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105114848A Pending CN102457704A (en) | 2010-10-18 | 2010-10-18 | Vehicle-mounted multi-screen interaction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102457704A (en) |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103605489A (en) * | 2013-10-29 | 2014-02-26 | 惠州华阳通用电子有限公司 | Multi-display-screen parallel display system and method |
| CN103714068A (en) * | 2012-09-29 | 2014-04-09 | 金蝶软件（中国）有限公司 | Method and device for just-in-time data updating |
| CN104102644A (en) * | 2013-04-07 | 2014-10-15 | 鸿富锦精密工业（深圳）有限公司 | System and method for playing video |
| CN104349124A (en) * | 2013-08-01 | 2015-02-11 | 天津天地伟业数码科技有限公司 | Structure and method for expanding multi-screen display on video recorder |
| CN104954422A (en) * | 2014-03-27 | 2015-09-30 | 福特全球技术公司 | System and method for a vehicle system using a high speed network |
| CN106101292A (en) * | 2016-08-29 | 2016-11-09 | 上海航盛实业有限公司 | A kind of software synthesis management system |
| CN109002270A (en) * | 2018-07-05 | 2018-12-14 | 深圳市众鸿科技股份有限公司 | A kind of multi-display method and system, car-mounted terminal |
| CN110386089A (en) * | 2019-06-24 | 2019-10-29 | 惠州市德赛西威汽车电子股份有限公司 | A kind of vehicle device multi-screen interactive display system |
| CN111667710A (en) * | 2020-06-16 | 2020-09-15 | 北京嘀嘀无限科技发展有限公司 | Vehicle system, vehicle-mounted device, server, and control method thereof |
| CN112579024A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware display method, system, equipment and storage medium |
| CN112584206A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware display method, system, device and storage medium |
| CN112584063A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Video signal processing method, system, equipment and storage medium |
| CN112584064A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware annotating method, system, device and storage medium |
| CN112579016A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware annotating method, system, equipment and storage medium |
| CN112579015A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware display method, system, equipment and storage medium |
| CN112579022A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware display method, system, device and storage medium |
| CN112581800A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware display method, system, equipment and storage medium |
| CN112584207A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Video signal processing method, system, equipment and storage medium |
| CN112579020A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware annotating method, system, device and storage medium |
| CN112693396A (en) * | 2019-10-23 | 2021-04-23 | 比亚迪股份有限公司 | Vehicle and control system thereof |
| CN113064543A (en) * | 2021-04-06 | 2021-07-02 | 广州视源电子科技股份有限公司 | Signal processing method, system and device of spliced screen and storage medium |
| CN114363543A (en) * | 2021-12-10 | 2022-04-15 | 深圳益实科技有限公司 | Display control device, display control system and equipment of display screen |
| CN113619647B (en) * | 2021-08-27 | 2024-03-22 | 中车唐山机车车辆有限公司 | Vehicle-mounted display device and train |
| CN112579020B (en) * | 2019-09-30 | 2024-05-10 | 广州视源电子科技股份有限公司 | Annotating method, system, equipment and storage medium for courseware |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1988652A (en) * | 2005-12-22 | 2007-06-27 | 李余才 | Automobile entertainment and visual system |
| CN201829175U (en) * | 2010-10-18 | 2011-05-11 | 深圳市诺威达科技有限公司 | Vehicle-mounted multi-screen interaction system |
| CN102447883A (en) * | 2010-10-12 | 2012-05-09 | 深圳市诺威达科技有限公司 | Vehicle-mounted multi-screen interaction system |
-
2010
- 2010-10-18 CN CN2010105114848A patent/CN102457704A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1988652A (en) * | 2005-12-22 | 2007-06-27 | 李余才 | Automobile entertainment and visual system |
| CN102447883A (en) * | 2010-10-12 | 2012-05-09 | 深圳市诺威达科技有限公司 | Vehicle-mounted multi-screen interaction system |
| CN201829175U (en) * | 2010-10-18 | 2011-05-11 | 深圳市诺威达科技有限公司 | Vehicle-mounted multi-screen interaction system |
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714068A (en) * | 2012-09-29 | 2014-04-09 | 金蝶软件（中国）有限公司 | Method and device for just-in-time data updating |
| CN103714068B (en) * | 2012-09-29 | 2017-11-17 | 金蝶软件（中国）有限公司 | The method and device of instant data renewal |
| CN104102644A (en) * | 2013-04-07 | 2014-10-15 | 鸿富锦精密工业（深圳）有限公司 | System and method for playing video |
| CN104349124A (en) * | 2013-08-01 | 2015-02-11 | 天津天地伟业数码科技有限公司 | Structure and method for expanding multi-screen display on video recorder |
| CN103605489A (en) * | 2013-10-29 | 2014-02-26 | 惠州华阳通用电子有限公司 | Multi-display-screen parallel display system and method |
| CN103605489B (en) * | 2013-10-29 | 2017-11-21 | 惠州华阳通用电子有限公司 | A kind of Multi-display-screenparallel parallel display system and method |
| CN104954422A (en) * | 2014-03-27 | 2015-09-30 | 福特全球技术公司 | System and method for a vehicle system using a high speed network |
| CN106101292A (en) * | 2016-08-29 | 2016-11-09 | 上海航盛实业有限公司 | A kind of software synthesis management system |
| CN109002270A (en) * | 2018-07-05 | 2018-12-14 | 深圳市众鸿科技股份有限公司 | A kind of multi-display method and system, car-mounted terminal |
| CN110386089A (en) * | 2019-06-24 | 2019-10-29 | 惠州市德赛西威汽车电子股份有限公司 | A kind of vehicle device multi-screen interactive display system |
| CN112581800A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware display method, system, equipment and storage medium |
| CN112584063B (en) * | 2019-09-30 | 2024-01-30 | 广州视源电子科技股份有限公司 | Video signal processing method, system, equipment and storage medium |
| CN112584206A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware display method, system, device and storage medium |
| CN112584063A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Video signal processing method, system, equipment and storage medium |
| CN112584064A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware annotating method, system, device and storage medium |
| CN112579016A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware annotating method, system, equipment and storage medium |
| CN112579015A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware display method, system, equipment and storage medium |
| CN112579022A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware display method, system, device and storage medium |
| CN112579015B (en) * | 2019-09-30 | 2024-05-14 | 广州视源电子科技股份有限公司 | Courseware display method, system, equipment and storage medium |
| CN112584207A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Video signal processing method, system, equipment and storage medium |
| CN112579020A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware annotating method, system, device and storage medium |
| CN112579016B (en) * | 2019-09-30 | 2024-05-14 | 广州视源电子科技股份有限公司 | Annotating method, system, equipment and storage medium for courseware |
| CN112579020B (en) * | 2019-09-30 | 2024-05-10 | 广州视源电子科技股份有限公司 | Annotating method, system, equipment and storage medium for courseware |
| CN112579024B (en) * | 2019-09-30 | 2024-04-02 | 广州视源电子科技股份有限公司 | Courseware display method, system, equipment and storage medium |
| CN112579022B (en) * | 2019-09-30 | 2024-01-30 | 广州视源电子科技股份有限公司 | Courseware display method, system, equipment and storage medium |
| CN112584206B (en) * | 2019-09-30 | 2023-05-16 | 广州视源电子科技股份有限公司 | Courseware display method, system, equipment and storage medium |
| CN112584207B (en) * | 2019-09-30 | 2023-05-30 | 广州视源电子科技股份有限公司 | Video signal processing method, system, equipment and storage medium |
| CN112584064B (en) * | 2019-09-30 | 2023-09-08 | 广州视源电子科技股份有限公司 | Annotating method, system, equipment and storage medium for courseware |
| CN112579024A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware display method, system, equipment and storage medium |
| CN112693396A (en) * | 2019-10-23 | 2021-04-23 | 比亚迪股份有限公司 | Vehicle and control system thereof |
| CN111667710B (en) * | 2020-06-16 | 2023-11-14 | 北京嘀嘀无限科技发展有限公司 | Vehicle system, on-vehicle device, server, and control method thereof |
| CN111667710A (en) * | 2020-06-16 | 2020-09-15 | 北京嘀嘀无限科技发展有限公司 | Vehicle system, vehicle-mounted device, server, and control method thereof |
| CN113064543B (en) * | 2021-04-06 | 2022-09-13 | 广州视源电子科技股份有限公司 | Signal processing method, system and device of spliced screen and storage medium |
| CN113064543A (en) * | 2021-04-06 | 2021-07-02 | 广州视源电子科技股份有限公司 | Signal processing method, system and device of spliced screen and storage medium |
| CN113619647B (en) * | 2021-08-27 | 2024-03-22 | 中车唐山机车车辆有限公司 | Vehicle-mounted display device and train |
| CN114363543A (en) * | 2021-12-10 | 2022-04-15 | 深圳益实科技有限公司 | Display control device, display control system and equipment of display screen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102457704A (en) | Vehicle-mounted multi-screen interaction system | |
| CN102447883A (en) | Vehicle-mounted multi-screen interaction system | |
| CN201829175U (en) | Vehicle-mounted multi-screen interaction system | |
| CN101980144B (en) | On-board computer multi-screen display method and system | |
| JP5036702B2 (en) | Multiple computer management apparatus and system | |
| US20110128446A1 (en) | Car audio/video terminal system having user interface linkable with portable device and method for linking the same | |
| CN203135997U (en) | Vehicle information entertainment system having smartphone connecting function | |
| JP2006094343A5 (en) | ||
| KR20050092416A (en) | Image display system for displaying different images on separate display devices | |
| US9325521B2 (en) | Media sharing device | |
| CN103123797A (en) | Vehicular audio playing system and vehicular audio playing method | |
| CN202939970U (en) | Multi-screen interactive vehicle navigation video entertainment system | |
| CN102063163B (en) | Multi-display screen vehicle-mounted computer | |
| US20060202979A1 (en) | Video display control device and video display device | |
| CN201432631Y (en) | Vehicular electronic device upgrading device, vehicular electronic system and automobile | |
| JP2005199998A (en) | Car-mounted image display system | |
| CN201716989U (en) | Vehicle mounted multi-media three-screen independent play system | |
| US20060044214A1 (en) | Touch panel video display system for vehicles | |
| KR101116693B1 (en) | A data processing for vehicle | |
| CN201426235Y (en) | Vehicle-mounted DVD navigation device | |
| CN202022157U (en) | Automobile three-screen interaction navigation and entertainment system | |
| CN203410367U (en) | Automobile auxiliary mobile audio/video display device | |
| CN202261694U (en) | Vehicle-mounted sound equipment with double touch control display screens | |
| JP2001253395A (en) | Passenger service system for aircraft | |
| CN214412877U (en) | Vehicle-mounted multi-channel audio and video switcher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120516 |