Audio recording and visual means > Common carrier for visual means and audio recording > Carrier used with image projector > Patents

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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