US3245157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Audio visual teaching system
Assignee: Westinghouse Electric Corp
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Filing: 1963-10-04
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Granted: 1966-04-12
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Expires: 1983-10-04
Abstract
No abstract record available.
Inventors
- 👤 Donald W Laviana
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:13
CPC Classifications
G; G09; G09B; G09B7/00; G09B7/06; G09B7/07; G09B7/077
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN TEACHING APPARATUS UTILIZING AUDIO AND VIDEO INFORMATION THE COMBINATION OF: CLASS PRESENTATION MEANS FOR RECEIVING A PREDETERMINED FRAME OF AUDIO AND VIDEO INFORMATION, SAID AUDIO INFORMATION WITHIN SAID FRAME HAVING A PLURALITY OF AUDIO CHANNELS CAPABLE OF CARRYING AUDIO INFORMATION AT DIFFERENT COMMUNICATIVE LEVELS RELATIVE TO COMMON VIDEO INFORMATION, SAID VIDEO INFORMATION BEING THE SAME FOR ALL AUDIO CHANNELS, SAID CLASS PRESENTATION MEANS BEING OPERATIVE TO DISPLAY SAID VIDEO INFORMATION; AND STUDENT RECEIVING MEANS FOR RECEIVING EACH ONE OF SAID AUDIO CHANNELS IN A GIVEN FRAME OF INFORMATION IN A SELECTIVE MANNER ACCORDING TO A STUDENT''S LEARNING PROCESS WITH THE AUDIO CHANNEL SELECTED BY THE
Claim 2
Dependent Claim
106 words
IN TEACHING APPARATUS UTILIZING AUDIO AND VIDEO INFORMATION THE COMBINATION OF: CLASS PRESENTATION MEANS FOR RECEIVING A PREDETERMINED FRAME OF AUDIO AND VIDEO INFORMATION, SAID AUDIO INFORMATION WITHIN SAID FRAME HAVING A PLURALITY OF AUDIO CHANNELS CAPABLE OF CARRYING AUDIO INFORMATION AT DIFFERENT COMMUNICATIVE LEVELS RELATIVE TO COMMON VIDEO INFORMATION, SAID VIDEO INFORMATION BEING THE SAME FOR ALL AUDIO CHANNELS, SAID CLASS PRESENTATION MEANS BEING OPERATIVE TO DISPLAY SAID VIDEO INFORMATION; AND STUDENT RECEIVING MEANS FOR RECEIVING EACH ONE OF SAID AUDIO CHANNELS IN A GIVEN FRAME OF INFORMATION IN A SELECTIVE MANNER ACCORDING TO A STUDENT''S LEARNING PROCESS WITH THE AUDIO CHANNEL SELECTED BY THE
References Cited (Backward Citations)
US3008000A
Cited
US3122847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |