Patent US3376640A successfully refreshed from Google Patents.
Patent US3137754A successfully refreshed from Google Patents.
US3137754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal generating system
Assignee: ATUK CORP
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Filing: 1961-10-12
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Granted: 1964-06-16
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Expires: 1981-10-12
Abstract
No abstract record available.
Inventors
- 👤 Evans Chauncey Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:11
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/18; G10H3/185; G10H2220/00; G10H2220/461; G10H2220/465; G10H2220/471; G10H2220/485; G10H2220/525; Y; Y10; Y10S; Y10S84/00; Y10S84/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A MUSICAL INSTRUMENT COMPRISING FRAME MEANS, A PLURALITY OF INDEPENDENTLY ACTUATABLE MECHANICAL VIBRATORS TUNED TO DIFFERENT FUNDAMENTAL FREQUENCIES AND EACH CAPABLE OF PRODUCING TONES COMPOSED OF A FUNDAMENTAL AND OVERTONES, AT LEAST ONE END PORTION OF EACH OF SAID VIBRATORS BEING FIXED TO SAID FRAME MEANS, A FIRST PIEZOELECTRIC TRANSDUCER MOUNTED ON SAID FRAME MEANS ADJACENT A FIXED END PORTION OF A FIRST ONE OF SAID VIBRATORS IN POSITION TO BE SUBJECTED TO STRESSES IMPOSED BY SUCH FIRST VIBRATOR UPON ACTUATION THEREOF, A SECOND PIEZOELECTRIC TRANSDUCER MOUNTED ON SAID FRAME MEANS NEAR SAID FIRST PIEZOELECTRIC TRANSDUCER AND ADJACENT A FIXED END PORTION OF A SECOND ONE OF SAID VIBRATORS IN POSITION TO BE SUBJECTED TO STRESSES IMPOSED BY THE SECOND VIBRATOR UPON ACTUATION THEREOF, SAID FIRST AND SECOND PIEZOELECTRIC TRANSDUCERS BEING SENSITIVE TO VIBRATIONS OF SAID FRAME MEANS AND BEING ELECTRICALLY CONNECTED SO THAT THE ELECTRICAL SIGNALS DEVELOPED IN SUCH TRANSDUCERS AS A RESULT OF VIBRATION OF SAID FRAME MEANS ARE OUT OF PHASE WITH EACH OTHER, AND MEANS FOR AMPLIFYING THE COMBINED ELECTRICAL SIGNALS FROM SAID TRANSDUCERS.
Claim 2
Dependent Claim
178 words
A MUSICAL INSTRUMENT COMPRISING FRAME MEANS, A PLURALITY OF INDEPENDENTLY ACTUATABLE MECHANICAL VIBRATORS TUNED TO DIFFERENT FUNDAMENTAL FREQUENCIES AND EACH CAPABLE OF PRODUCING TONES COMPOSED OF A FUNDAMENTAL AND OVERTONES, AT LEAST ONE END PORTION OF EACH OF SAID VIBRATORS BEING FIXED TO SAID FRAME MEANS, A FIRST PIEZOELECTRIC TRANSDUCER MOUNTED ON SAID FRAME MEANS ADJACENT A FIXED END PORTION OF A FIRST ONE OF SAID VIBRATORS IN POSITION TO BE SUBJECTED TO STRESSES IMPOSED BY SUCH FIRST VIBRATOR UPON ACTUATION THEREOF, A SECOND PIEZOELECTRIC TRANSDUCER MOUNTED ON SAID FRAME MEANS NEAR SAID FIRST PIEZOELECTRIC TRANSDUCER AND ADJACENT A FIXED END PORTION OF A SECOND ONE OF SAID VIBRATORS IN POSITION TO BE SUBJECTED TO STRESSES IMPOSED BY THE SECOND VIBRATOR UPON ACTUATION THEREOF, SAID FIRST AND SECOND PIEZOELECTRIC TRANSDUCERS BEING SENSITIVE TO VIBRATIONS OF SAID FRAME MEANS AND BEING ELECTRICALLY CONNECTED SO THAT THE ELECTRICAL SIGNALS DEVELOPED IN SUCH TRANSDUCERS AS A RESULT OF VIBRATION OF SAID FRAME MEANS ARE OUT OF PHASE WITH EACH OTHER, AND MEANS FOR AMPLIFYING THE COMBINED ELECTRICAL SIGNALS FROM SAID TRANSDUCERS.
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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |