US3235650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Percussion circuit
Assignee: Thomas International Corp
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Filing: 1963-01-02
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Granted: 1966-02-15
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Expires: 1983-01-02
Abstract
No abstract record available.
Inventors
- 👤 Cutler Stanley
- 👤 Heytow Solomon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:03
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/053; G10H1/057; Y; Y10; Y10S; Y10S84/00; Y10S84/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
IN A PERCUSSION CIRCUIT FOR A MUSICAL INSTRUMENT HAVING A KEYBOARD WITH A PLURALITY OF DIGITALLY OPERABLE KEYS AND A PLURALITY OF AUDIO TONE GENERATORS OF DIFFERING PITCH CORRESPONDING TO SAID KEYS: A PLURALITY OF INDIVIDUAL CAPACITORS CORRESPONDING RESPECTIVELY TO SAID KEYS, A PLURALITY OF SWITCHES CORRESPONDING RESPECTIVELY TO SAID CAPACITORS AND SAID KEYS, MEANS FOR CAUSING SAID SWITCHES TO BE ACTUATED BY THE RESPECTIVE KEYS, FIRST CIRCUIT MEANS FOR CONNECTING SAID CAPACITORS TO THE RESPECTIVE SWITCHES, MODULATING MEANS CONNECTING SAID CAPACITORS TO THE EFFECTIVE TO PASS AUDIO TONE DURING THE PRESENCE OF A PULSE APPLIED THERETO, AND SECOND CIRCUIT MEANS RESPONSIVE TO THE STATE OF CHARGE ON SADI CAPACITORS FOR APPLYING A PULSE TO SAID MODULATING MEANS UPON ACTUATION TO ANY OF SAID SWITCHES, IRRESPECTIVE OF THE OPERATIVE CONDITION OF ANY OTHER SWITCH, THEREBY TO CAUSE A PERCUSSIVE AUDIO TONE TO PASS THROUGH SAID MODULATING MEANS.
Claim 2
Dependent Claim
147 words
IN A PERCUSSION CIRCUIT FOR A MUSICAL INSTRUMENT HAVING A KEYBOARD WITH A PLURALITY OF DIGITALLY OPERABLE KEYS AND A PLURALITY OF AUDIO TONE GENERATORS OF DIFFERING PITCH CORRESPONDING TO SAID KEYS: A PLURALITY OF INDIVIDUAL CAPACITORS CORRESPONDING RESPECTIVELY TO SAID KEYS, A PLURALITY OF SWITCHES CORRESPONDING RESPECTIVELY TO SAID CAPACITORS AND SAID KEYS, MEANS FOR CAUSING SAID SWITCHES TO BE ACTUATED BY THE RESPECTIVE KEYS, FIRST CIRCUIT MEANS FOR CONNECTING SAID CAPACITORS TO THE RESPECTIVE SWITCHES, MODULATING MEANS CONNECTING SAID CAPACITORS TO THE EFFECTIVE TO PASS AUDIO TONE DURING THE PRESENCE OF A PULSE APPLIED THERETO, AND SECOND CIRCUIT MEANS RESPONSIVE TO THE STATE OF CHARGE ON SADI CAPACITORS FOR APPLYING A PULSE TO SAID MODULATING MEANS UPON ACTUATION TO ANY OF SAID SWITCHES, IRRESPECTIVE OF THE OPERATIVE CONDITION OF ANY OTHER SWITCH, THEREBY TO CAUSE A PERCUSSIVE AUDIO TONE TO PASS THROUGH SAID MODULATING MEANS.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |