CN101783864A - Hand-hold wireless multifunctional performing system - Google Patents
Hand-hold wireless multifunctional performing system Download PDFInfo
- Publication number
- CN101783864A CN101783864A CN201010106947A CN201010106947A CN101783864A CN 101783864 A CN101783864 A CN 101783864A CN 201010106947 A CN201010106947 A CN 201010106947A CN 201010106947 A CN201010106947 A CN 201010106947A CN 101783864 A CN101783864 A CN 101783864A
- Authority
- CN
- China
- Prior art keywords
- hand
- application program
- wireless
- hold
- processing unit
- 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 hand-hold wireless multifunctional performing system, which comprises a hand-hold indicator, a palmtop multifunctional performing machine, application program, an application program manager and an operation system, wherein the hand-hold indicator is in wireless connection with the palmtop multifunctional performing machine, the palmtop multifunctional performing machine is provided with a VGA interface and a video interface and can output audio and video signals into a projector and a television, and the palmtop multifunctional performing machine can replace the universal computer equipment on the performing function, and supports the functions of demonstrating electronic teaching plans, playing multimedia files and reading electronic books. The hand-hold indicator integrates a laser pen and a wireless air mouse for realizing the wireless radio frequency remote control and wireless mouse operation on the performing machine and the laser indication on a projecting screen or the television, and users can use the hand-hold indicator to write and mark freely on the screen in the performing process. The hand-hold wireless multifunctional performing system is provided with the audio and video output interface, has the advantages of portability, low cost and complete performing functions, and has the special functions aiming at the teaching speech.
Description
Technical field
The present invention relates to a kind of hand-hold wireless multifunctional performing system, especially relate to a kind of hand-hold wireless multifunctional performing system that is used for multimedia and e-teaching plan demonstration.
Background technology
The electronic lantern sheet becomes the effective carrier of electronic teaching, meeting speech, product demonstration and exploitation because high interactive, the convenience of controlling of the multimedia of content, use, the simplification of making have replaced traditional film lantern slide rapidly.The PPT file that present the most widely used electronic lantern form is a Microsoft and the SWF file of Adobe company, and no matter be PPT file or SWF file, generally all be to play and demonstrating (for example POWERPOINT software demonstration under the PPT file use WINDOWS operating system on the all-purpose computer, the SWF file generally uses FLASH software to play), and by the VGA interface on the computer, video interface, audio interface (as LINE OUT) output to projecting apparatus, television set, audio amplifier is imparted knowledge to students and give a lecture.All-purpose computer, even notebook computer, although it is powerful, but electronic tools such as relative mobile phone, camera, exist and carry inconvenience, the more high shortcoming of cost, especially in broadcasting the process of drilling, controlling of user can not cause the inconvenience in teaching, the speech process away from computer equipment.Though the multimedia file of forms such as other audio/video file such as MP3, MPEG4, RMVB has some proprietary small-sized players, as MP3, MP5 player.These special player function on the market are too simple at present, generally do not support PPT, broadcasting of SWF file to drill but on the one hand; On the other hand, do not possess the interface that outputs to projecting apparatus, television set, more not at the dedicated functions of teaching speech etc., as laser indication, screen mark etc.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective that prior art exists, a kind of VGA of carrying interface, video interface and audio interface are provided, easy to carry, with low cost, broadcast and drill powerfully, and possess specially hand-hold wireless multifunctional performing system again at teaching speech function.
Purpose of the present invention is achieved by the following technical programs:
It comprises hand-hold type indicating device, the multi-functional machine of drilling, application program, application manager and the operating system broadcast of hand held, and multi-functional the broadcasting of hand-hold type indicating device and hand held drilled the machine wireless connections.
Described hand-hold type indicating device comprises mouse module, Keysheet module, micro controller module, wireless communication module, laser indicating module, and mouse module all is connected with micro controller module with Keysheet module, and micro controller module is connected with wireless communication module.
The multi-functional machine of drilling of broadcasting of hand held comprises input unit, signal processing unit, audio unit, display unit, memory cell, communication unit.Signal processing unit comprises central processing unit, multimedia coding-decoder, and multimedia coding-decoder links to each other with central processing unit; Input unit links to each other with central processing unit, and input unit comprises wireless receiver, touch-screen, panel and keypad; Central processing unit links to each other with display unit, and display unit comprises video interface, VGA interface, LCDs; Memory cell is connected with central processing unit is two-way, and memory cell comprises flash memory, random asccess memory and storage card; Communication unit is connected with central processing unit is two-way, and communication unit comprises usb host, USB device; Audio unit comprises pick-up, audio frequency amplifier, earpiece/speaker, audio converter, pick-up is connected with audio frequency amplifier, audio frequency amplifier is connected with audio converter is two-way, and audio frequency amplifier is connected with earpiece/speaker, and audio converter is connected with central processing unit is two-way.
Application program comprises that lantern slide is broadcast and drills device, multimedia player, E-book reader, the screen marking software, broadcast to drill and record software and screen switcher, lantern slide is broadcast and is drilled device and be used to play PPT form slide file, multimedia player is used to play audio/video file and (supports MP4, MP3, RMVB, WAV and other Voice ﹠ Video form commonly used) and the Flash file, E-book reader is used to play PDF, TXT, CHM, HTML and DOC formatted file, screen switcher is used at this machine LCDs and external picture output device (as projecting apparatus, television set or display) between switch, the screen marking software is used for carrying out the hand-written and mark of full frame freedom by the hand-hold type indicating device broadcasting the process of drilling, and broadcasts to drill and records software and be used for recording displaying contents and the sound of broadcasting the process of drilling.
Application manager comprises application controller and regulation engine, and application controller mainly is that application programs is controlled and managed; Regulation engine is used for the operation rule of the application program of process user definition, and then guarantee that wireless multifunctional broadcasts the performance index of the system of drilling, or avoid different application when operation that peripheral hardware takes place and share conflict, for example this engine can detect the lantern slide player and whether multimedia player moves simultaneously, and handles this conflict according to the set processing mode of user.
The control flow of the application manager of hand-hold wireless multifunctional performing system may further comprise the steps: at first, start application manager, finish the loading of application controller and regulation engine, then, load the operation rule of the application program that the user pre-defines by regulation engine, then, the operation requests of circular wait application program, if application manager receives the operation requests of application program, then detect by regulation engine whether working procedure operation conflict is arranged, if conflict is arranged, then manage conflict according to the good processing rule of user definition, and then the operation requests of coming the response application program to send by application controller, if there is not conflict, the operation requests of response application program then, responded after the operation requests of application program, continue to enter the circular wait state, select to log off operation, withdraw from application manager up to the user.
The control method of hand-hold wireless multifunctional performing system may further comprise the steps: (1) starts the operating system, and the loading application programs manager; (2) enter main menu; (3) select required broadcasting to drill function; Whether (4) detect broadcasting of having selected drills function and conflicts with the application program of having moved; (5) if the result of step (4) for not, then selects to broadcast the file of drilling; (6) if the result of step (4) is for being that then whether selection need close the application program of having moved; (7) if the result of step (6) for not, then returns step (2); (8), and select to broadcast the file of drilling if the result of step (6) for being, then closes the application program of having moved; (9) broadcast in the process of drilling, can select to carry out the screen mark, broadcast to drill and record, return main menu or withdraw from the system of drilling of broadcasting.
Volume of the present invention is little, easy to carry, with low cost, by multi-functional video interface, the VGA interface of broadcasting the built-in display unit of the machine of drilling of hand held, can be with displaying contents difference output video to projecting apparatus, television set, have broadcasting of multimedia file such as broadcast PPT, SWF, MP3, MP4 and RMVB and drill function, to the read function of electronic book documentaries such as TXT, PDF, DOC; By multi-functional usb host, the USB device of broadcasting the built-in communication unit of the machine of drilling of hand held, the memory device of extrapolating USB flash disk and other tool USB interface, also have simultaneously at teaching speech and wait applications and the laser of special setting is indicated, screen marks and broadcast to drill and function such as record, be suitable for fields such as electronic teaching, meeting speech, academic exchange and product demonstration.The hand-hold type indicating device is integrated laser pen and wireless air mouse, can carry out long distance wireless operation to the multi-functional machine of drilling of broadcasting of hand held, can e-teaching plan, PDF and WORD such as wireless remote remote control PPT, SWF etc. electronic document easy on and off page turning and to the Play Control (as volume control, broadcast and time-out etc.) of multimedia file.The user uses the hand-hold type indicating device to drill machine operation screen marking software by multi-functional the broadcasting of hand held, in broadcasting the process of drilling, can carry out full frame Free Writing, on screen, freely mark, be used for imparting knowledge to students, the additional explanation of speech, academic exchange and product demonstration.The hand-hold type indicating device can carry out aided education and carry out the laser indication in the speech process by the laser pen that carries.
Description of drawings
Fig. 1 is a hand-hold wireless multifunctional performing system structured flowchart of the present invention;
Fig. 2 is a hand-hold type indicating device hardware block diagram of the present invention;
Fig. 3 drills the machine hardware block diagram for multi-functional the broadcasting of hand held of the present invention;
Fig. 4 is a hand-hold wireless multifunctional performing system software block diagram of the present invention;
Fig. 5 is the control method flow chart of hand-hold wireless multifunctional performing system of the present invention;
Fig. 6 is a hand-hold wireless multifunctional performing system application manager software flow pattern of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
With reference to Fig. 1, hand-hold wireless multifunctional performing system comprises hand-hold type indicating device 1 and the multi-functional machine of drilling 2 of broadcasting of hand held, and hand-hold type indicating device 1 and hand held be multi-functional broadcasts the machine of drilling 2 wireless connections.
Hand-hold type indicating device 1 is the multi-functional wireless controller of broadcasting the machine of drilling 2 of hand held, adopts wireless radio frequency mode and the multi-functional machine of drilling 2 of broadcasting of hand held to communicate, and the multi-functional machine of drilling 2 of broadcasting of hand held is controlled.
With reference to Fig. 2, hand-hold type indicating device 1 comprises mouse module 11, Keysheet module 12, micro controller module 13, wireless communication module 14, laser indicating module 15, mouse module 11 all is connected with micro controller module 13 with Keysheet module 12, and micro controller module 13 is connected with wireless communication module 14.
With reference to Fig. 3, the multi-functional machine of drilling 2 of broadcasting of hand held comprises input unit 21, signal processing unit 22, audio unit 23, display unit 25, memory cell 24, communication unit 26; Signal processing unit 22 comprises central processing unit 221, multimedia coding-decoder 222, and multimedia coding-decoder 222 links to each other with central processing unit 221; Input unit 21 links to each other with central processing unit 221, and input unit 21 comprises wireless receiver 211, touch-screen 212, panel and keypad 213; Central processing unit 221 links to each other with display unit 25, and display unit 25 comprises video interface 251, VGA interface 252, LCDs 253; Memory cell 24 and 221 two-way connections of central processing unit, memory cell 24 comprises flash memory 241, random asccess memory 242 and storage card 243; Communication unit 26 and 221 two-way connections of central processing unit, communication unit 26 comprises usb host 261, USB device 262; Audio unit 23 comprises pick-up 231, audio frequency amplifier 234, earpiece/speaker 232, audio converter 235, pick-up 231 is connected with audio frequency amplifier 234, audio frequency amplifier 234 and 235 two-way connections of audio converter, audio frequency amplifier 234 is connected with earpiece/speaker 232, audio converter 235 and 221 two-way connections of central processing unit.
Interface by USB device 262 is communicated by letter with all-purpose computer, and all-purpose computer is by USB device interface refresh routine, synchrodata, reference to storage; Can visit external USB flash disk, USB mouse, USB keyboard even USB bluetooth module, USB wireless network card by usb host 261 ports, expand the multi-functional function of broadcasting the machine of drilling of hand held.
With reference to Fig. 4, hand-hold wireless multifunctional performing system also comprises application program 31, application manager 32, operating system 33.
Application program 31 comprises that lantern slide is broadcast and drills device 311, multimedia player 312, E-book reader 313, screen marking software 314, broadcasts to drill and record software 315 and screen switcher 316.Lantern slide in the application program 31 is broadcast and is drilled device 311 and be used to play PPT form slide file, multimedia player 312 is used to play audio/video file and (supports MP4, MP3, RMVB, WAV and other Voice ﹠ Video form commonly used) and the Flash file, E-book reader 313 is used to play PDF, TXT, CHM, HTML and DOC formatted file, screen switcher 316 is used at this machine LCDs and external picture output device (as projecting apparatus, television set or display) between switch, screen marking software 314 is used for carrying out the hand-written and mark of full frame freedom by the hand-hold type indicating device broadcasting the process of drilling, and broadcasts to drill and records software 315 and be used for recording displaying contents and the sound of broadcasting the process of drilling; Resource and program that application program may be called in running in the operating system are its service.
Application manager 32 comprises application controller 321 and regulation engine 322.Application manager 32 mainly is that application programs 31 is controlled and managed; Application controller 321 is main be responsible for application programs startup, open, close and finish, regulation engine 322 is used for the operation rule of the application program of process user definition, and then guarantee that wireless multifunctional broadcasts the performance index of the system of drilling, or avoid different application when operation that peripheral hardware takes place and share conflict, for example this engine can detect lantern slide player 311 and whether multimedia player 312 moves simultaneously, and handles this conflict according to the set processing mode of user.
Operating system 33 comprises driven management device 331, management of process device 332, power supervisor 333, hardware driving 334, and hardware driving 334 comprises that audio driven 3341, button driving 3342, radio-frequency driven 3343, touch-screen driving 3344, power drives 3345, USB driving 3346, display screen driving 3347, VGA drive 3348.Driven management device 331 is finished the loading of hardware driving 334, to the difference between the operating system shielding distinct device; Power supervisor 333 carries out power management according to the characteristic of application program.
With reference to Fig. 5, the control method of hand-hold wireless multifunctional performing system may further comprise the steps: at first execution in step 450 beginnings, carry out the initialization operation before operating system loads; Execution in step 451 starts the operating system then; Next execution in step 452 loading application programs managers, this process at first loads and starts application manager, start regulation engine then, the personalized interface that loads the user at last is provided with parameter, after the execution of step 452, the resource distribution of system and necessary base facility are built substantially and are finished; Then execution in step 453 enters the main menu of application program, for the user provides a navigation application program interface; Function is drilled in broadcasting that execution in step 454 selections need again; The user select a certain broadcast drill function after, application manager calls regulation engine execution in step 455 and judges whether the program that starts has with the application program of having moved and conflict; If not conflict, then execution in step 457, allow the user select to broadcast the file of drilling; If conflict is arranged, then whether execution in step 456 prompting users close the current program of having moved, if user's selection is that then execution in step 457, otherwise jump back to step 453; After the user had selected corresponding broadcasting to drill file, execution in step 458 operating files were broadcast and are drilled function; In broadcasting the process of drilling, user's execution in step 459 selects arbitrary operation to carry out.
If the user need carry out the screen mark in broadcasting the process of drilling, then can select execution in step 460 beginning screen marks, whether system at first can open in invocation step 461 detection screen mark services, if open, then execution in step 463 startup screens mark is served, execution in step 462 is carried out the screen mark again, if open, then directly execution in step 462 is carried out the screen mark, in the mark process, the user opens other interface if desired, then can execution in step 464 suspend or stop mark; After the execution of step 464, system returns step 459, and the user can restart mark or enter other function items.
If the user need broadcast to drill in broadcasting the process of drilling and record, the user also can select execution in step 467 to broadcast to drill to record, whether system at first can invocation step 468 detects and records service and open, if do not open, then execution in step 470 starts the service of recording of drilling of broadcasting, execution in step 469 is broadcast to drill and is recorded again, if open, then direct execution in step 469 is broadcast to drill and recorded; In recording process, the user suspends or stops to record with execution in step 471, and after the execution of step 471, system also can return step 459, and the user can restart mark or enter other function items; In broadcasting the process of drilling, the user can also select step 463 to return main menu, re-executes to select required broadcasting to drill function after step 453 enters main menu; In broadcasting the process of drilling, the user can also select step 465 to withdraw to broadcast to drill, and then execution in step 466 withdraws from operating system, and last execution in step 480 finishes.
With reference to Fig. 6, the control flow of the application manager of hand-hold wireless multifunctional performing system may further comprise the steps: at first begun by step 500, execution in step 501 starts application manager, mainly finish the loading of application controller and regulation engine, execution in step 502 is loaded the operation rule of the application program that the user pre-defines by regulation engine then, then enter the operation requests of step 503 circular wait application program, if application manager receives the operation requests of application program, then execution in step 504 detects by regulation engine whether working procedure operation conflict is arranged, if conflict is arranged, then execution in step 506 manages conflict according to the good processing rule of user definition, and then execution in step 507 operation requests of coming the response application program to send by application controller, if there is not conflict, the direct operation requests of execution in step 507 response application programs then, after the execution of step 507, continue to enter the circular wait state, select to log off operation up to the user, execution in step 508 withdraws from application manager then, and final execution in step 509 finishes the control flow of whole application manager.
Claims (5)
1. hand-hold wireless multifunctional performing system, it is characterized in that: comprise hand-hold type indicating device, the multi-functional machine of drilling, application program, application manager and the operating system broadcast of hand held, multi-functional the broadcasting of hand-hold type indicating device and hand held drilled the machine wireless connections.
2. hand-hold wireless multifunctional performing system according to claim 1, it is characterized in that: the hand-hold type indicating device comprises mouse module, Keysheet module, micro controller module, wireless communication module, laser indicating module, mouse module all is connected with micro controller module with Keysheet module, and micro controller module is connected with wireless communication module.
3. hand-hold wireless multifunctional performing system according to claim 1 and 2 is characterized in that: the multi-functional machine of drilling of broadcasting of hand held comprises input unit, signal processing unit, audio unit, display unit, memory cell, communication unit; Signal processing unit comprises central processing unit, multimedia coding-decoder, and multimedia coding-decoder links to each other with central processing unit; Input unit links to each other with central processing unit, and input unit comprises wireless receiver, touch-screen, panel and keypad; Central processing unit links to each other with display unit, and display unit comprises video interface, VGA interface, LCDs; Memory cell is connected with central processing unit is two-way, and memory cell comprises flash memory, random asccess memory and storage card; Communication unit is connected with central processing unit is two-way, and communication unit comprises usb host, USB device; Audio unit comprises pick-up, audio frequency amplifier, earpiece/speaker, audio converter, pick-up is connected with audio frequency amplifier, audio frequency amplifier is connected with audio converter is two-way, and audio frequency amplifier is connected with earpiece/speaker, and audio converter is connected with central processing unit is two-way.
4. hand-hold wireless multifunctional performing system according to claim 1 and 2, it is characterized in that: application program comprises that lantern slide is broadcast and drills device, multimedia player, E-book reader, the screen marking software, broadcast to drill and record software and screen switcher, lantern slide is broadcast and is drilled device and be used to play PPT form slide file, multimedia player is used to play audio/video file and Flash file, E-book reader is used to play PDF, TXT, CHM, HTML and DOC formatted file, screen switcher is used for switching between this machine LCDs and external picture output device, the screen marking software is used for carrying out the hand-written and mark of full frame freedom by the hand-hold type indicating device broadcasting the process of drilling, and broadcasts to drill and records software and be used for recording displaying contents and the sound of broadcasting the process of drilling.
5. hand-hold wireless multifunctional performing system according to claim 1 and 2 is characterized in that: described application manager comprises application controller and regulation engine, and the main application programs of application controller is controlled and managed; Regulation engine is used for the operation rule of the application program of process user definition;
The control flow of described application manager may further comprise the steps: at first, start application manager, finish the loading of application controller and regulation engine, then, load the operation rule of the application program that the user pre-defines by regulation engine, then, the operation requests of circular wait application program, if application manager receives the operation requests of application program, then detect by regulation engine whether working procedure operation conflict is arranged, if conflict is arranged, then manage conflict according to the good processing rule of user definition, and then the operation requests of coming the response application program to send by application controller, if there is not conflict, the operation requests of response application program then, responded after the operation requests of application program, continue to enter the circular wait state, select to log off operation, withdraw from application manager up to the user.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010106947A CN101783864A (en) | 2010-02-08 | 2010-02-08 | Hand-hold wireless multifunctional performing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010106947A CN101783864A (en) | 2010-02-08 | 2010-02-08 | Hand-hold wireless multifunctional performing system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101783864A true CN101783864A (en) | 2010-07-21 |
Family
ID=42523666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010106947A Pending CN101783864A (en) | 2010-02-08 | 2010-02-08 | Hand-hold wireless multifunctional performing system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101783864A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102346647A (en) * | 2011-09-19 | 2012-02-08 | 盛乐信息技术(上海)有限公司 | Control method and system of projector |
CN102346972A (en) * | 2010-07-28 | 2012-02-08 | 元太科技工业股份有限公司 | Projection electronic book |
CN103186990A (en) * | 2011-12-29 | 2013-07-03 | 比亚迪股份有限公司 | Auxiliary teaching system and hand-held terminal for same |
CN104156210A (en) * | 2014-08-08 | 2014-11-19 | 成都市极米科技有限公司 | Projector capable of processing background applications |
CN104679293A (en) * | 2015-03-02 | 2015-06-03 | 深圳中电数码显示有限公司 | Multifunctional intelligent writing pen |
CN104866167A (en) * | 2014-02-21 | 2015-08-26 | 腾讯科技(深圳)有限公司 | Method and device for controlling quick floating layer panel |
CN106057022A (en) * | 2016-08-18 | 2016-10-26 | 张颂忠 | PPT page turning remote controller |
US9547379B2 (en) | 2012-11-22 | 2017-01-17 | Huawei Technologies Co., Ltd. | Method, air mouse, and set top box for controlling air mouse |
CN110389740A (en) * | 2019-07-05 | 2019-10-29 | 深圳市睿思聪科技有限公司 | A kind of document demonstration system, controller and method based on display screen |
CN110389740B (en) * | 2019-07-05 | 2024-04-30 | 深圳市睿思聪科技有限公司 | File demonstration system, controller and method based on display screen |
-
2010
- 2010-02-08 CN CN201010106947A patent/CN101783864A/en active Pending
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102346972A (en) * | 2010-07-28 | 2012-02-08 | 元太科技工业股份有限公司 | Projection electronic book |
CN102346647A (en) * | 2011-09-19 | 2012-02-08 | 盛乐信息技术(上海)有限公司 | Control method and system of projector |
CN103186990A (en) * | 2011-12-29 | 2013-07-03 | 比亚迪股份有限公司 | Auxiliary teaching system and hand-held terminal for same |
US9547379B2 (en) | 2012-11-22 | 2017-01-17 | Huawei Technologies Co., Ltd. | Method, air mouse, and set top box for controlling air mouse |
CN104866167A (en) * | 2014-02-21 | 2015-08-26 | 腾讯科技(深圳)有限公司 | Method and device for controlling quick floating layer panel |
CN104156210A (en) * | 2014-08-08 | 2014-11-19 | 成都市极米科技有限公司 | Projector capable of processing background applications |
CN104679293A (en) * | 2015-03-02 | 2015-06-03 | 深圳中电数码显示有限公司 | Multifunctional intelligent writing pen |
CN104679293B (en) * | 2015-03-02 | 2018-03-16 | 深圳中电数码显示有限公司 | A kind of multifunctional intellectual lettering pen |
CN106057022A (en) * | 2016-08-18 | 2016-10-26 | 张颂忠 | PPT page turning remote controller |
CN110389740A (en) * | 2019-07-05 | 2019-10-29 | 深圳市睿思聪科技有限公司 | A kind of document demonstration system, controller and method based on display screen |
CN110389740B (en) * | 2019-07-05 | 2024-04-30 | 深圳市睿思聪科技有限公司 | File demonstration system, controller and method based on display screen |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101783864A (en) | Hand-hold wireless multifunctional performing system | |
US7070279B2 (en) | Multiple-function projecting apparatus | |
CN101833854B (en) | Interacting method of remote control code of universal remote control with USB interface | |
CN104995596A (en) | Managing audio at the tab level for user notification and control | |
US6522419B1 (en) | Multimedia presentation computing device | |
CN106325801A (en) | Display method and apparatus in portable terminal | |
KR101844903B1 (en) | Providing Method for Data Complex Recording And Portable Device thereof | |
CN103257821A (en) | Apparatus and method for changing attribute of subtitle in image display device | |
KR20130100586A (en) | Apparatus and method for operating memo function which is associated audio recording function | |
WO2020088118A1 (en) | Electronic apparatus and method employing mobile device and display device to display duplicate screens | |
KR20120048886A (en) | Method and apparatus for outputting a web page | |
WO2009057564A1 (en) | Information providing system, information signal processing device, information signal processing method and recording medium | |
JP2009510890A (en) | Information terminal device to which radio wave identification tag is added and control method thereof | |
CN103413476A (en) | Touch electronic pointer | |
CN103809791A (en) | Multifunctional reading method and system | |
EP3162034B1 (en) | Mobile cast receivers for computing and entertainment devices | |
US10149090B2 (en) | Mobile cast receivers for computing and entertainment devices | |
CN201637416U (en) | Vehicle-mounted DVD navigation device base on ARM processor with embedded operating system | |
CN201622855U (en) | Handheld wireless multifunctional playing system | |
CN101582281A (en) | Visual on-vehicle apparatus based on embedded microprocessor | |
JP2003332972A (en) | Portable terminal | |
US9678579B2 (en) | Mobile cast receivers for computing and entertainment devices | |
CN102917260A (en) | Information processing apparatus, information processing system, and program | |
CN101556533A (en) | Audio-visual multimedia computer system with video output expanding function | |
CN101621572A (en) | Mobile phone supporting RMVB video file playing |
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 |
Open date: 20100721 |