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US3329772A
Expired / Lapsed
US
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Binaural simulator
Assignee: Individual
•
Filing: 1963-10-28
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Granted: 1967-07-04
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 John H Farrell
- 👤 Farm Hollow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:51
CPC Classifications
H; H04; H04S; H04S1/00; H04S1/002; H04S5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN A MUSIC AMPLICATION AND REPRODUCTION SYSTEM, A BINAURAL SIMULATOR COMPRISING: FIRST AND SECOND SIGNAL CHANNELS HAVING AMPLIFICATION STAGES THEREIN; LOUDSPEAKER MEANS COUPLED TO EACH OF SAID CHANNELS; MEANS FOR APPLYING SUBSTANTIALLY THE FULL FREQUENCY RANGE OF THE FIRST CHANNEL SIGNALS TO SAID SECOND CHANNEL IN SUBSTANTIALLY PHASE OPPOSITION; AND MEANS FOR SELECTIVELY INTRODUCING HARMONIC DISTORTION IN SAID CHANNELS.
Claim 2
Dependent Claim
59 words
IN A MUSIC AMPLICATION AND REPRODUCTION SYSTEM, A BINAURAL SIMULATOR COMPRISING: FIRST AND SECOND SIGNAL CHANNELS HAVING AMPLIFICATION STAGES THEREIN; LOUDSPEAKER MEANS COUPLED TO EACH OF SAID CHANNELS; MEANS FOR APPLYING SUBSTANTIALLY THE FULL FREQUENCY RANGE OF THE FIRST CHANNEL SIGNALS TO SAID SECOND CHANNEL IN SUBSTANTIALLY PHASE OPPOSITION; AND MEANS FOR SELECTIVELY INTRODUCING HARMONIC DISTORTION IN SAID CHANNELS.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |