Patent US3306977A successfully refreshed from Google Patents.
US3306977A
Expired / Lapsed
US
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Line scan device utilizing cavitation phenomena produced in an ultrasonic cell
Assignee: Marquardt Corp
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Filing: 1963-12-06
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Granted: 1967-02-28
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Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
- 👤 Harry P Brueggemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:11
CPC Classifications
H; H04; H04N; H04N3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A LINE SCAN APPARATUS COMPRISING: MEANS FOR PROJECTING A LINE ELEMENT OF AN IMAGE ALONG A GIVEN PATH; A TRANSPARENT LIQUID BODY LOCATED TRANSVERSELY OF SAID PATH; FIRST MEANS FOR CONTINUOUSLY PROPAGATING ACOUSTICAL ENERGY INTO ONE END OF SAID LIQUID BODY IN A DIRECTION TRANSVERSE TO SAID PATH, SAID ACOUSTICAL ENERGY HAVING AN ENERGY LEVEL BELOW THAT CAPABLE OF PRODUCING CAVITATION IN SAID LIQUID BODY; AND SECOND MEANS LOCATED AT THE OPPOSITE END OF SAID LIQUID BODY FOR CYCLICALLY PROPAGATING BURSTS OF ACOUSTICAL ENERGY TRANSVERSELY TO SAID PATH AND IN THE OPPOSITE DIRECTION TO SAID CONTINUOUSLY PROPAGATED ACOUSTICAL ENERGY, THE SUMMATION OF SAID CONTINUOUSLY PROPAGATED AND SAID CYCLICALLY PROPAGATED ENERGY FROM
Claim 2
Dependent Claim
111 words
A LINE SCAN APPARATUS COMPRISING: MEANS FOR PROJECTING A LINE ELEMENT OF AN IMAGE ALONG A GIVEN PATH; A TRANSPARENT LIQUID BODY LOCATED TRANSVERSELY OF SAID PATH; FIRST MEANS FOR CONTINUOUSLY PROPAGATING ACOUSTICAL ENERGY INTO ONE END OF SAID LIQUID BODY IN A DIRECTION TRANSVERSE TO SAID PATH, SAID ACOUSTICAL ENERGY HAVING AN ENERGY LEVEL BELOW THAT CAPABLE OF PRODUCING CAVITATION IN SAID LIQUID BODY; AND SECOND MEANS LOCATED AT THE OPPOSITE END OF SAID LIQUID BODY FOR CYCLICALLY PROPAGATING BURSTS OF ACOUSTICAL ENERGY TRANSVERSELY TO SAID PATH AND IN THE OPPOSITE DIRECTION TO SAID CONTINUOUSLY PROPAGATED ACOUSTICAL ENERGY, THE SUMMATION OF SAID CONTINUOUSLY PROPAGATED AND SAID CYCLICALLY PROPAGATED ENERGY FROM
References Cited (Backward Citations)
US2943315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |