US3549777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic musical instrument system for sounding voices reiteratively in alternation
Assignee: Baldwin Piano and Organ Co
•
Filing: 1967-08-31
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Granted: 1970-12-22
•
Expires: 1987-08-31
Abstract
No abstract record available.
Inventors
- 👤 David A Bunger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:35
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/18; G10H1/26; G10H1/30
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
30 words
TONE IS APPLIED VIA A KEY SWITCH TO TWO TONE COLOR FILTERS IN PARALLEL AND OUTPUTS OF THE FILTERS ARE APPLIED IN ALTERNATION TO A LOUDSPEAKER OR TO SEPARATE LOUDSPEAKERS.
Claim 2
Dependent Claim
30 words
TONE IS APPLIED VIA A KEY SWITCH TO TWO TONE COLOR FILTERS IN PARALLEL AND OUTPUTS OF THE FILTERS ARE APPLIED IN ALTERNATION TO A LOUDSPEAKER OR TO SEPARATE LOUDSPEAKERS.
Claim 3
Dependent Claim
25 words
TWO FOOTAGE ARE APPLIED TO DISTINCT TONE COLOR FILTERS AND THE OUTPUTS OF THESE APPLIED REITERATIVELY IN ALTERNATION TO A LOUDSPEAKER OR TO SEPARATE LOUDSPEAKERS.
Claim 4
Dependent Claim
25 words
TWO FOOTAGE ARE APPLIED TO DISTINCT TONE COLOR FILTERS AND THE OUTPUTS OF THESE APPLIED REITERATIVELY IN ALTERNATION TO A LOUDSPEAKER OR TO SEPARATE LOUDSPEAKERS.
Claim 5
Dependent Claim
19 words
TWO FOOTAGE OF THE SAME TONE COLOR ARE APPLIED REITERATIVELY IN ALTERNATION TO A LOUDSPEAKER OR TO SEPARATE LOUDSPEAKERS.
Claim 6
Dependent Claim
19 words
TWO FOOTAGE OF THE SAME TONE COLOR ARE APPLIED REITERATIVELY IN ALTERNATION TO A LOUDSPEAKER OR TO SEPARATE LOUDSPEAKERS.
Claim 7
Dependent Claim
16 words
THREE OR MORE TONES ARE APPLIED IN SEQUENCE VIA DIFFERENT TONE COLOR FILTERS TO A LOUDSPEAKER.
Claim 8
Dependent Claim
16 words
THREE OR MORE TONES ARE APPLIED IN SEQUENCE VIA DIFFERENT TONE COLOR FILTERS TO A LOUDSPEAKER.
Claim 9
Dependent Claim
29 words
SOLO TONES PROCEED VIA ONE TONE FILTER SO LONG AS PEDAL NOTES ARE NOT CALLED FOR. WHEN PEDAL NOTE IS PLAYED SOLO TONE PROCEEDS VIA A DIFFERENT TONE FILTER.
Claim 10
Dependent Claim
29 words
SOLO TONES PROCEED VIA ONE TONE FILTER SO LONG AS PEDAL NOTES ARE NOT CALLED FOR. WHEN PEDAL NOTE IS PLAYED SOLO TONE PROCEEDS VIA A DIFFERENT TONE FILTER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |