Patent US3088997A successfully refreshed from Google Patents.
US3088997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereophonic to binaural conversion apparatus
Assignee: CBS Broadcasting Inc
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Filing: 1960-12-29
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Granted: 1963-05-07
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Expires: 1980-12-29
Abstract
No abstract record available.
Inventors
- 👤 Benjamin B Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:49
CPC Classifications
H; H04; H04S; H04S1/00; H04S1/002; H04S1/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN A SOUND REPRODUCING SYSTEM, THE COMBINATION OF A PAIR OF EARPHONES, A PAIR OF SIGNAL CHANNELS CONNECTED TO ENERGIZE SAID RESPECTIVE EARPHONES, AND MEANS FOR EFFECTING ADDITIVE TRANSFER WITH TIME DELAY OF SIGNAL ENERGY FROM EACH OF SAID SIGNAL CHANNELS TO THE OTHER, SAID TIME DELAY BEING OF THE ORDER OF THE TIME REQUIRED FOR SOUND TO TRAVEL A DISTANCE EQUAL TO THE DISTANCE BETWEEN THE EARS OF A LISTENER.
Claim 2
Dependent Claim
71 words
IN A SOUND REPRODUCING SYSTEM, THE COMBINATION OF A PAIR OF EARPHONES, A PAIR OF SIGNAL CHANNELS CONNECTED TO ENERGIZE SAID RESPECTIVE EARPHONES, AND MEANS FOR EFFECTING ADDITIVE TRANSFER WITH TIME DELAY OF SIGNAL ENERGY FROM EACH OF SAID SIGNAL CHANNELS TO THE OTHER, SAID TIME DELAY BEING OF THE ORDER OF THE TIME REQUIRED FOR SOUND TO TRAVEL A DISTANCE EQUAL TO THE DISTANCE BETWEEN THE EARS OF A LISTENER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |