US3270135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control means for controlling electro-mechanical phenomena
Assignee: University of Alberta
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Filing: 1962-06-21
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Granted: 1966-08-30
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Expires: 1982-06-21
Abstract
No abstract record available.
Inventors
- 👤 Schaeffer Myron
- 👤 Boll Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:53
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/0033; G10H1/0041
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
140 words
IN COMBINATION WITH A PLURALITY OF ELECTRONIC SOUND SOURCES FOR PRODUCING AUDIO FREQUENCY SIGNALS AND AMPLIFYING MEANS FOR TRANSMITTING SIGNALS FROM SAID SOURCES TO A POINT OF COLLECTION FOR COLLECTING SAID SIGNALS INTO A COMPOSITE SOUND ORGANIZATION OF A PLURALITY OF GATING MEANS FOR CONTROLLING THE POINT IN TIME AND DEGREE OF AMPLIFICATION OF SOUNDS TRANSMITTED BY SAID AMPLIFYING MEANS ACCORDING TO A PREDETERMINED PATTERN, EACH OF THE SAID GATING MEANS COMPRISING A PLANAR STORING NON-CONDUCTIVE ELEMENT WITH A CONTOL PATTERN FORMED OF RESPONSE CREATING AREA REMOVABLY APPLIED THERETO CORRESPONDING TO SAID PREDETERMINED PATTERN AND A SENSING DEVICE RESPONSIVE TO SAID CONTROL PATTERN IN RESPONSE TO RELATIVE MOVEMENT OF SAID STORING ELEMENT AND SAID SENSING DEVICE AND ARRANGED TO GOVERN SOUND TRANSMITTED THROUGH THE RESPECTIVE AMPLIFYING MEANS AND MEANS TO EFFECT RELATIVE MOVEMENT OF SAID STORING ELEMENT AND SENSING DEVICE.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |