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Class Information
Number: 434/309
Name: Education and demonstration > Audio recording and visual means > Common carrier for visual means and audio recording
Description: Subject matter wherein both visual and sound information are included on the same carrier structure.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5035624 |
Presentation apparatus |
Jul. 30, 1991 |
| 5033969 |
Support device for resolving questions about reproduced information |
Jul. 23, 1991 |
| 5025314 |
Apparatus allowing remote interactive use of a plurality of writing surfaces |
Jun. 18, 1991 |
| 5018979 |
Magnetic visual display |
May. 28, 1991 |
| 4968254 |
System for synchronizing the output signals from multiple media |
Nov. 6, 1990 |
| 4847700 |
Interactive television system for providing full motion synched compatible audio/visual displays from transmitted television signals |
Jul. 11, 1989 |
| 4847698 |
Interactive television system for providing full motion synched compatible audio/visual displays |
Jul. 11, 1989 |
| 4839743 |
Interactive video and audio controller |
Jun. 13, 1989 |
| 4712180 |
Editing system of educational program for a computer assisted instruction system |
Dec. 8, 1987 |
| 4690645 |
Interactive educational device |
Sep. 1, 1987 |
| 4604064 |
Portable demonstrator for electronic equipment |
Aug. 5, 1986 |
| 4468204 |
Process of human-machine interactive educational instruction using voice response verification |
Aug. 28, 1984 |
| 4434567 |
Memorabilia repository |
Mar. 6, 1984 |
| 4373918 |
Audio-visual, child-participating educational entertainment center |
Feb. 15, 1983 |
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