US3147333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Audio modulation system
Assignee: DH Baldwin Co
•
Filing: 1960-07-27
•
Granted: 1964-09-01
•
Expires: 1980-07-27
Abstract
No abstract record available.
Inventors
- 👤 Jr William C Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:56
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/043; Y; Y10; Y10S; Y10S84/00; Y10S84/01; Y10S84/04; Y10S84/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A SYSTEM FOR GENERATING CHORUS EFFECTS IN MUSIC, COMPRISING A SOURCE OF AT LEAST ONE AUDIO SPECTRUM REPRESENTING MUSIC, FIRST MEANS CONNECTED TO SAID SOURCE FOR GENERATING A PLURALITY OF SUB-BANDS OF AUDIO FREQUENCIES SUBSTANTIALLY INCLUDING ALL THE FREQUENCIES OF SAID AUDIO FREQUENCY SPECTRUM DISPLACED IN FREQUENCY BY FIXED AMOUNTS, AND SECOND MEANS CONNECTED TO SAID FIRST MEANS FOR SEPARATELY ACOUSTICALLY TRANSDUCING AND RADIATING EACH
Claim 2
Independent Claim
65 words
A SYSTEM FOR GENERATING CHORUS EFFECTS IN MUSIC, COMPRISING A SOURCE OF AT LEAST ONE AUDIO SPECTRUM REPRESENTING MUSIC, FIRST MEANS CONNECTED TO SAID SOURCE FOR GENERATING A PLURALITY OF SUB-BANDS OF AUDIO FREQUENCIES SUBSTANTIALLY INCLUDING ALL THE FREQUENCIES OF SAID AUDIO FREQUENCY SPECTRUM DISPLACED IN FREQUENCY BY FIXED AMOUNTS, AND SECOND MEANS CONNECTED TO SAID FIRST MEANS FOR SEPARATELY ACOUSTICALLY TRANSDUCING AND RADIATING EACH
References Cited (Backward Citations)
US2352696A
Cited
US2261268A
Cited
US2616970A
Cited
US2879683A
Cited
US2916706A
Cited
US3004460A
Cited
US3007361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |