US3280271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Teaching apparatus and method using sound recording
Assignee: GEN ELECTRONIC LAB Inc
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Filing: 1964-11-02
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Granted: 1966-10-18
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Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Edward M Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:02
CPC Classifications
G; G09; G09B; G09B5/00; G09B5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN AN AUDIBLE INFORMATION TRAINING SYSTEM PROVIDING RECORDED INSTRUCTIONAL MATERIAL AND PROVISIONS FOR THE IMMEDIATE REPRODUCTION OF A USER''S RESPONSES TO SUCH INSTRUCTIONAL MATERIAL, IN COMBINATION, A SOUND RECORD MEDIUM INCLUDING SPACED SEQUENCES OF RECORDED INSTRUCTIONAL SIGNALS SEPARATED, IN THE DIRECTION OF TRAVEL OF SAID MEDIUM DURING REPRODUCTION, BY TIME-DURATION DEFINING SIGNALS; A SECOND SOUND RECORD MEDIUM, MEANS FOR FEEDING SAID SECOND MEDIUM SUCCESSIVELY OVER A RECORDING HEAD INTO A LOOP-LIKE STORAGE FORMATION AND THERAFTER FROM SAID STORAGE FORMATION OVER A REPRODUCING HEAD; MEANS FOR RECORDING A USER''S RESPONSE AT SAID RECORDING HEAD; A SOUND REPRODUCER FOR THE USER, AND MEANS IN RESPONSIVE RELATION TO SAID TIME DURATION DEFINING SIGNALS FOR SELECTIVELY CONNECTING SAID SOUND REPRODUCER FOR ENERGIZATION BY THE INSTRUCTIONAL SIGNALS ON THE FIRST RECORD MEDIUM AND FOR ENERGIZATION FROM SAID REPRODUCING HEAD.
Claim 2
Dependent Claim
134 words
IN AN AUDIBLE INFORMATION TRAINING SYSTEM PROVIDING RECORDED INSTRUCTIONAL MATERIAL AND PROVISIONS FOR THE IMMEDIATE REPRODUCTION OF A USER''S RESPONSES TO SUCH INSTRUCTIONAL MATERIAL, IN COMBINATION, A SOUND RECORD MEDIUM INCLUDING SPACED SEQUENCES OF RECORDED INSTRUCTIONAL SIGNALS SEPARATED, IN THE DIRECTION OF TRAVEL OF SAID MEDIUM DURING REPRODUCTION, BY TIME-DURATION DEFINING SIGNALS; A SECOND SOUND RECORD MEDIUM, MEANS FOR FEEDING SAID SECOND MEDIUM SUCCESSIVELY OVER A RECORDING HEAD INTO A LOOP-LIKE STORAGE FORMATION AND THERAFTER FROM SAID STORAGE FORMATION OVER A REPRODUCING HEAD; MEANS FOR RECORDING A USER''S RESPONSE AT SAID RECORDING HEAD; A SOUND REPRODUCER FOR THE USER, AND MEANS IN RESPONSIVE RELATION TO SAID TIME DURATION DEFINING SIGNALS FOR SELECTIVELY CONNECTING SAID SOUND REPRODUCER FOR ENERGIZATION BY THE INSTRUCTIONAL SIGNALS ON THE FIRST RECORD MEDIUM AND FOR ENERGIZATION FROM SAID REPRODUCING HEAD.
References Cited (Backward Citations)
US2777901A
Cited
US2989594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |