Patent US3236949A successfully refreshed from Google Patents.
US3236949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparent sound source translator
Assignee: AT&T Inc
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Filing: 1962-11-19
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Granted: 1966-02-22
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Expires: 1982-11-19
Abstract
No abstract record available.
Inventors
- 👤 Bishnu S Atal
- 👤 Manfred R Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:24
CPC Classifications
H; H04; H04R; H04R5/00; H04R5/04; H04S; H04S1/00; H04S1/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A TWO-CHANNEL SOUND SYSTEM CHARACTERIZED BY A BROADENED STAGE WIDTH COMPRISING, FIRST AND SECOND LOUDSPEAKERS IN SPACED RELATION, LOCALIZATION NETWORK MEANS SUPPLIED WITH SIGNALS FROM A FIRST SIGNAL SOURCE FOR DEVELOPING A SEQUENCE OF DELAYED REPETITIONS OF SAID FIRST SIGNAL, EACH REPLICA HAVING ITS MAGNITUDE ADJUSTED ACCORDING TO A FIRST SCHEDULE, LOCALIZATION NETWORK MEANS SUPPLIED WITH SIGNALS FROM A SECOND SIGNAL SOURCE FOR DEVELOPING A SEQUENCE OF DELAYED REPETITIONS OF SAID SECOND SIGNAL, EACH REPETITIVE HAVING ITS MAGNITUDE ADJUSTED ACCORDING TO A SECOND SCHEDULE, AND MEANS FOR SUPPLYING SAID REPETITIVE
Claim 2
Dependent Claim
90 words
A TWO-CHANNEL SOUND SYSTEM CHARACTERIZED BY A BROADENED STAGE WIDTH COMPRISING, FIRST AND SECOND LOUDSPEAKERS IN SPACED RELATION, LOCALIZATION NETWORK MEANS SUPPLIED WITH SIGNALS FROM A FIRST SIGNAL SOURCE FOR DEVELOPING A SEQUENCE OF DELAYED REPETITIONS OF SAID FIRST SIGNAL, EACH REPLICA HAVING ITS MAGNITUDE ADJUSTED ACCORDING TO A FIRST SCHEDULE, LOCALIZATION NETWORK MEANS SUPPLIED WITH SIGNALS FROM A SECOND SIGNAL SOURCE FOR DEVELOPING A SEQUENCE OF DELAYED REPETITIONS OF SAID SECOND SIGNAL, EACH REPETITIVE HAVING ITS MAGNITUDE ADJUSTED ACCORDING TO A SECOND SCHEDULE, AND MEANS FOR SUPPLYING SAID REPETITIVE
References Cited (Backward Citations)
US2114019A
Cited
US3094587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |