| Patents for G03B 31 - Associated working of cameras or projectors with sound-recording or -reproducing means (1,369) |
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| 05/09/2012 | CN102445815A Portable electronic device conveniently connected with external accessory |
| 05/02/2012 | CN202210209U Touch projection omnimax |
| 04/19/2012 | WO2012049223A2 Alternative audio |
| 04/19/2012 | CA2814573A1 Alternative audio |
| 04/18/2012 | EP1627391B1 Device and method for synchronizing an audio signal with a film |
| 04/12/2012 | US20120086914 Projection display device and method for controlling the same |
| 03/14/2012 | EP2150853B1 Method of creating and reproducing a panoramic sound image, and apparatus for reproducing such an image |
| 03/07/2012 | CN202159222U 多媒体卡拉ok投影仪 Kara ok multimedia projectors |
| 02/29/2012 | CN202153292U 一种弧幕投影系统 One kind of arc screen projection system |
| 02/29/2012 | CN102364394A Combined type projector module |
| 02/23/2012 | WO2012023014A1 Motion picture film |
| 02/22/2012 | CN202150243U 动态人形数字标识立牌 Dynamic digital signage humanoid licensing legislation |
| 02/22/2012 | CN202150008U 人脸模型动态虚拟塑造系统 Face model dynamic virtual shaping system |
| 02/02/2012 | WO2003032129A8 Method and system for visualizing surface errors |
| 02/01/2012 | CN202134122U 互动投影系统 Interactive Projection System |
| 02/01/2012 | CN202133930U 投影pc一体机 Pc-one projector |
| 01/25/2012 | CN202127441U Projection mobile terminal capable of supporting real media variable bitrate (RMVB) video format |
| 01/12/2012 | US20120008095 Projection display device and speaker device |
| 01/05/2012 | US20120004921 Method for retrieving audio signal stored on photograph |
| 01/04/2012 | CN202102702U Multi-power supply rotating projection music box |
| 01/04/2012 | CN202102232U Miniature projector provided with computer |
| 12/28/2011 | CN202093309U 电脑化微型投影仪 Computerized mini projector |
| 12/28/2011 | CN101887212B 移动便携式数字视频放映装置及其控制方法 Mobile portable digital video projection device and control method |
| 12/21/2011 | CN202084298U 一种警用现场执法取证影音记录设备 One kind of police enforcement forensics scene video recording equipment |
| 12/20/2011 | US8082155 Camera with printhead for printing images with encoded audio data |
| 12/15/2011 | US20110304824 Screen |
| 12/15/2011 | US20110304823 Awning |
| 12/14/2011 | EP2395774A2 Audio signal processing apparatus and method of controlling the same |
| 12/14/2011 | CN202076005U 带投影功能的多媒体播放器 Multimedia Player with projection function |
| 12/14/2011 | CN202075545U 一种可视式阅读头盔 A visual reading helmet |
| 12/08/2011 | WO2011150969A1 Apparatus for image data recording and reproducing, and method thereof |
| 12/07/2011 | CN202067072U Mobile phone projector |
| 12/07/2011 | CN102271261A 立体影像撷取及播放装置 Three-dimensional image capture and playback device |
| 12/06/2011 | CA2557059C Anamorphic three-perforation imaging system |
| 11/30/2011 | CN202057951U 一种投影音响 A projection Sound |
| 11/30/2011 | CN102262872A Multi-power supply rotary projection music box |
| 11/30/2011 | CN102262344A 可即时分享所播放投影片影像的投影机 Instantly share the slide projector video playback |
| 11/23/2011 | CN202050491U Triple-play multifunctional projection integral machine |
| 11/23/2011 | CN102253588A Household information machine integrated with micro-projector |
| 11/22/2011 | US8065153 Audio reader device |
| 11/16/2011 | CN202036810U Three-dimensional holographical digital stage system |
| 11/16/2011 | CN202036738U Man-machine interaction virtual roaming body-building device |
| 11/09/2011 | CN101963749B Portable multimedia projector |
| 10/19/2011 | CN202013481U Solar energy projection device |
| 10/12/2011 | CN202008574U Multi-media projector with embedded operating system |
| 10/12/2011 | CN102213910A Computerized miniature projector |
| 10/05/2011 | EP1141773B1 Method, computer readable medium and system to control the operation of a cinema |
| 10/05/2011 | CN202004860U Multifunctional image pick-up device |
| 10/05/2011 | CN202003680U Portable multifunctional video player with projector |
| 10/05/2011 | CN1968546B Electrostatic transducer, driving circuit of capacitive load, method for setting circuit constant |
| 10/04/2011 | US8032381 Method for playing audio signals provided on a photograph |
| 09/22/2011 | US20110228026 Digital camera system for simultaneous printing and magnetic recording |
| 09/21/2011 | CN201986025U 伸缩式多功能照相机 Multifunctional telescopic camera |
| 09/21/2011 | CN102196354A Audiovisual apparatus |
| 09/21/2011 | CN102188827A 3D (three-dimentional) holographical digital stage system |
| 09/14/2011 | CN102183872A Projection sound and data transmission method used by same |
| 09/07/2011 | CN201965533U 一种互动投影系统 An interactive projection system |
| 08/31/2011 | CN201955613U 内置在便携式电子设备上的微型投影装置 Built on a portable electronic device miniature projection device |
| 08/30/2011 | US8009854 System for the projection of cinematographic works and digital works with sound |
| 08/10/2011 | CN102147566A Multimedia projector with embedded operation system |
| 08/03/2011 | CN201918051U 儿童学画仪 Children learn painting instrument |
| 08/03/2011 | CN102143311A Multifunctional photographic device |
| 08/02/2011 | CA2635028C Film soundtrack reviewing system |
| 07/28/2011 | WO2011088635A1 Dvd playing device supporting projection mode |
| 07/26/2011 | US7984991 Projector including audio data switching unit for switching audio data output to speakers and control method for the same |
| 07/20/2011 | CN201903752U Panoramic camera |
| 07/19/2011 | US7980700 Electronic apparatus housing cover, electronic apparatus, and projector |
| 07/06/2011 | EP2341390A1 Method of and device for reproduction of an audio signal and/or an audio track |
| 07/06/2011 | EP1756664B1 Detection of inconsistencies between a reference and a multi format soundtrack |
| 06/29/2011 | CN201886277U Portable palm sound box projector |
| 06/29/2011 | CN201886275U Integral digital projection device |
| 06/28/2011 | US7970275 Digital camera system for simultaneous printing and magnetic recording |
| 06/08/2011 | CN201859303U Integrated machine for computer and projector |
| 06/08/2011 | CN201859302U Micro projection device embedded in tablet computer |
| 06/07/2011 | CA2498703C Recall device |
| 05/26/2011 | US20110122368 Projector System For Animation Of Image Cells |
| 05/25/2011 | CN201845169U Engine base with projection function |
| 05/25/2011 | CN102073208A Photographic device and photographic device system |
| 05/25/2011 | CN101546110B Projecting camera and method for recording information thereof |
| 05/18/2011 | CN201833962U Vehicular multimedia system |
| 05/11/2011 | CN201828765U Minitype projector embedded on portable electronic equipment |
| 05/11/2011 | CN101203917B Device and method for determining a relation between test sound signal and reference sound signal and reproducing the sounds in a variable speed |
| 05/04/2011 | EP1428210B1 Variable-area film soundtrack renovation |
| 04/27/2011 | CN201811083U Light supplementing lamp for road monitoring equipment |
| 04/27/2011 | CN102033412A Computer and projector integrated machine |
| 04/20/2011 | CN201804204U Projector |
| 04/13/2011 | CN101218648B Device and method for determining a point with film information in a film |
| 03/30/2011 | CN201780797U Portable MP5 player |
| 03/30/2011 | CN201780449U Projector mechanism of MP5 player |
| 03/23/2011 | EP2299323A1 Method and system for controlling the operation of a cinema |
| 03/23/2011 | CN201773582U Play device |
| 03/23/2011 | CN201773258U Projector special for yoga |
| 03/23/2011 | CN201773256U Household information machine with projection function |
| 03/22/2011 | US7909466 Project equipped with ultrasonic speaker, and method for displaying sound reproduction range in projector |
| 02/24/2011 | US20110043832 Printed audio format and photograph with encoded audio |
| 02/16/2011 | CN101977301A Method for no-touch observing running electric accessory with electricity |
| 02/09/2011 | CN101203918B Device and method for determining a point in a film |
| 02/03/2011 | US20110025982 Projector and method of controlling the same |
| 02/02/2011 | CN101963749A Portable multimedia projector |
| 01/20/2011 | US20110013878 Recording apparatus |