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Class Information
Number: 434/310
Name: Education and demonstration > Audio recording and visual means > Common carrier for visual means and audio recording > Carrier used with image projector
Description: Subject matter wherein the visual information is projected by optical means from an image carrier onto a viewing screen.










Patents under this class:

Patent Number Title Of Patent Date Issued
6633844 Late integration in audio-visual continuous speech recognition Oct. 14, 2003
6463258 Electrical flash card unit and method of use Oct. 8, 2002
6259889 Active symbolic self design method and apparatus Jul. 10, 2001
6097927 Active symbolic self design method and apparatus Aug. 1, 2000
5914914 Method and apparatus for storing and presenting visual and audible information to an individual Jun. 22, 1999
5689477 Method and apparatus for storing and presenting visual and audible information to an individual Nov. 18, 1997
4482328 Audio-visual teaching machine and control system therefor Nov. 13, 1984
4122613 Operator responsive audio-visual teaching apparatus Oct. 31, 1978
3942269 Audio-visual system including audio-visual slides Mar. 9, 1976











 
 
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