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Class Information
Number: 434/307R
Name: Education and demonstration > Cathode ray screen display and audio means

Sub-classes under this class:

Class Number Class Name Patents
434/307A Karaoke 291

Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8651873 Portal assessment design system for educational testing Feb. 18, 2014
8604327 Apparatus and method for automatic lyric alignment to music playback Dec. 10, 2013
8529270 Interactive computer system for instructor-student teaching and assessment of preschool children Sep. 10, 2013
8532561 Virtual training system Sep. 10, 2013
8515334 Systems and methods for delivering and presenting personalized educational lessons Aug. 20, 2013
8433237 Assessable natural interactions in formal course curriculums Apr. 30, 2013
8353705 Attendance tracking system Jan. 15, 2013
8160489 Karaoke device with integrated mixing, echo and volume control Apr. 17, 2012
8147248 Gesture training Apr. 3, 2012
8113844 Method, system, and computer-readable recording medium for synchronous multi-media recording and playback with end user control of time, data, and event visualization for playback control over Feb. 14, 2012
8026435 Selectively displaying song lyrics Sep. 27, 2011
7949295 Automated trainee monitoring and performance evaluation system May. 24, 2011
7899389 Methods, devices, and computer program products for providing a karaoke service using a mobile terminal Mar. 1, 2011
7848699 Accessory device, electronic musical instrument and teaching apparatus Dec. 7, 2010
7792480 Electrographic position location apparatus including recording capability and data cartridge including microphone Sep. 7, 2010
7766743 Methods and apparatus for evaluating a user's affinity for a property Aug. 3, 2010
7621748 Computer enabled training of a user to validate assumptions Nov. 24, 2009
7552199 Method for automatic skill-gap evaluation Jun. 23, 2009
7435891 Method and system for generating musical variations directed to particular skill-levels Oct. 14, 2008
7427980 Game controller spatial detection Sep. 23, 2008
7239842 Talking E-book Jul. 3, 2007
7238024 Method and apparatus for performing a transaction without the use of spoken communication between the transaction parties Jul. 3, 2007
7192283 System and method for visual analysis of word frequency and distribution in a text Mar. 20, 2007
7184701 Stringed musical instrument learning aid and methods Feb. 27, 2007
7168953 Trainable videorealistic speech animation Jan. 30, 2007
7171154 Method of communication by e-mail Jan. 30, 2007
7155157 Method and system for asynchronous online distributed problem solving including problems in education, business, finance, and technology Dec. 26, 2006
7153139 Language learning system and method with a visualized pronunciation suggestion Dec. 26, 2006
7150630 Method and apparatus for automated training of language learning skills Dec. 19, 2006
7147475 Personal computer lesson system using videophones Dec. 12, 2006
7146128 Scoring method and scoring system Dec. 5, 2006
7134876 Sound system with dedicated vocal channel Nov. 14, 2006
7128578 Interactive simulation of a pneumatic system Oct. 31, 2006
7121832 Three-dimensional surgery simulation system Oct. 17, 2006
7120385 Write on interactive apparatus and method Oct. 10, 2006
7108512 Learning data base building method and video apparatus with learning function by using the learning data base and learning function control method therefor Sep. 19, 2006
7101185 Method and apparatus for automated training of language learning skills Sep. 5, 2006
7065319 Chair mountable educational device Jun. 20, 2006
7058190 Acoustic signal enhancement system Jun. 6, 2006
7050754 Electronic interactive toy for promoting learning in a child May. 23, 2006
7003496 Terminal apparatus, information service center, transmitting system, and transmitting method Feb. 21, 2006
6996364 Book or CD used as electronic key Feb. 7, 2006
6988896 Monitor top typed simulation system and method for studying based on internet Jan. 24, 2006
6986663 Method and apparatus for automated training of language learning skills Jan. 17, 2006
6976846 Telecommunications virtual simulator Dec. 20, 2005
6971882 Method and apparatus for providing interactive karaoke entertainment Dec. 6, 2005
6966778 Method and apparatus for tutorial, self and assisted instruction directed to simulated preparation, training and competitive play and entertainment Nov. 22, 2005
6968151 Remote control Nov. 22, 2005
6959166 Interactive toy Oct. 25, 2005
6955541 Method and apparatus for tutorial, self and assisted instruction directed to simulated preparation, training and competitive play and entertainment Oct. 18, 2005

1 2 3 4 5 6 7 8 9

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