US3146290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic music circuit
Assignee: Bank of America Illinois
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Filing: 1963-09-23
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Granted: 1964-08-25
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Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Donald M Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:53
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/36; G10H1/40; G10H2230/00; G10H2230/045; G10H2230/251; G10H2230/275; G10H2230/291; G10H2230/321
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
IN AN ELECTRONIC MUSIC CIRCUIT HAVING A PLURALITY OF TONE GENERATORS TO BE SELECTIVELY PULSED AT GIVEN TIMES: A PULSE GENERATOR INCLUDING A FIRST SET OF TERMINAL POINTS, A VOLTAGE PULSE SOURCE, AND MEANS SELECTIVELY CONNECTING SAID SOURCE TO SAID FIRST TERMINAL POINTS IN PREDETERMINED TIME SEQUENCE; SWITCHING MEANS INCLUDING A SECOND SET OF TERMINAL POINTS OPERATIVELY CONNECTED TO RESPECTIVE ONES OF SAID TONE GENERATORS; A NETWORK OF CIRCUITS ESTABLISHING PRINCIPAL ELECTRICAL PATHS FROM PARTICULAR FIRST TERMINAL POINTS TO PARTICULAR SECOND TERMINAL POINTS AND TO THE RESPECTIVE TONE GENERATORS CONNECTED THERETO, PORTIONS OF SAID PRINCIPAL PATHS BEING IN COMMON, THEREBY ESTABLISHING SECONDARY PATHS BETWEEN VARIOUS PAIRS OF SAID FIRST TERSECONDARY PATHS BETWEEN VARIOUS PAIRS OF SAID FIRST TERMINAL POINTS; MEANS PLACED IN EACH OF SAID PATHS AND ADAPTED TO ESTABLISH SAID PRINCIPAL PATHS AS PULSE-TRANSMITTING PATHS RESPONSIVE TO SAID SOURCE AND SAID SECONDARY PATHS AS NON-PULSE-TRANSMITTING, THEREBY ENABLING SAID FIRST TERMINAL POINTS TO BE ELECTRICALLY ISOLATED ONE FROM THE OTHER WHILE CONNECTED TO A PLURALITY OF SAID PRINCIPAL PATHS.
Claim 2
Dependent Claim
169 words
IN AN ELECTRONIC MUSIC CIRCUIT HAVING A PLURALITY OF TONE GENERATORS TO BE SELECTIVELY PULSED AT GIVEN TIMES: A PULSE GENERATOR INCLUDING A FIRST SET OF TERMINAL POINTS, A VOLTAGE PULSE SOURCE, AND MEANS SELECTIVELY CONNECTING SAID SOURCE TO SAID FIRST TERMINAL POINTS IN PREDETERMINED TIME SEQUENCE; SWITCHING MEANS INCLUDING A SECOND SET OF TERMINAL POINTS OPERATIVELY CONNECTED TO RESPECTIVE ONES OF SAID TONE GENERATORS; A NETWORK OF CIRCUITS ESTABLISHING PRINCIPAL ELECTRICAL PATHS FROM PARTICULAR FIRST TERMINAL POINTS TO PARTICULAR SECOND TERMINAL POINTS AND TO THE RESPECTIVE TONE GENERATORS CONNECTED THERETO, PORTIONS OF SAID PRINCIPAL PATHS BEING IN COMMON, THEREBY ESTABLISHING SECONDARY PATHS BETWEEN VARIOUS PAIRS OF SAID FIRST TERSECONDARY PATHS BETWEEN VARIOUS PAIRS OF SAID FIRST TERMINAL POINTS; MEANS PLACED IN EACH OF SAID PATHS AND ADAPTED TO ESTABLISH SAID PRINCIPAL PATHS AS PULSE-TRANSMITTING PATHS RESPONSIVE TO SAID SOURCE AND SAID SECONDARY PATHS AS NON-PULSE-TRANSMITTING, THEREBY ENABLING SAID FIRST TERMINAL POINTS TO BE ELECTRICALLY ISOLATED ONE FROM THE OTHER WHILE CONNECTED TO A PLURALITY OF SAID PRINCIPAL PATHS.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |