Patent US3901352A successfully refreshed from Google Patents.
US3901352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater reflector of sound waves
Assignee: Government of France
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Filing: 1974-08-05
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Granted: 1975-08-26
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Expires: 1994-08-05
Abstract
Abstract An underwater reflector of sound waves adapted for use at great depths and comprising a hermetic enclosure constituted of a flexible material capable of undergoing deformation, a stack of mesh members being mounted between two rigid plates within the enclosure. Each mesh member is constituted by crossed filaments and preferably interlaced metallic filaments. One utilization is the forming of reflector surfaces or screens of acoustic antennas for emitter or receiver purposes.
Inventors
- 👤 Philippe Henri Maurice Cluzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:46
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/18; G10K11/20; G10K11/205
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
47 words
An underwater reflector of acoustic waves adapted for high hydrostatic pressures comprising a sealed enclosure of flexible, deformable material, at least one mesh element of crossed filaments, and two rigid plates sandwiching the element therebetween to form an assembly, said assembly being hermetically sealed in said enclosure.
Claim 2
Dependent Claim
47 words
An underwater reflector of acoustic waves adapted for high hydrostatic pressures comprising a sealed enclosure of flexible, deformable material, at least one mesh element of crossed filaments, and two rigid plates sandwiching the element therebetween to form an assembly, said assembly being hermetically sealed in said enclosure.
Claim 3
Dependent Claim
12 words
A reflector as claimed in claim 1 wherein said filaments are interlaced.
Claim 4
Dependent Claim
18 words
A reflector as claimed in claim 1 wherein a plurality of said elements are provided in superposed relation.
Claim 5
Dependent Claim
12 words
A reflector as claimed in claim 1 wherein said filaments are metallic.
Claim 6
Dependent Claim
17 words
A reflector as claimed in claim 1 wherein said rigid plates are made of stratified synthetic resin.
Claim 7
Dependent Claim
23 words
A reflector as claimed in claim 1 wherein a plurality of said enclosures are assembled in juxtaposed relation to form a reflective surface.
Claim 8
Dependent Claim
16 words
A reflector as claimed in claim 1 wherein said plates are in contact with said enclosure.
Claim 9
Dependent Claim
30 words
A reflector as claimed in claim 1 wherein said filaments are of a diameter of 0.5 to 2 mm with a mesh size opening between 0.5 mm and 5 cm.
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) | 1978-08-25 | 1979-02-24 | 1979-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-25 | 1983-02-24 | 1983-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-25 | 1987-02-24 | 1987-08-26 | $7700.00 | Window Closed / Lapsed |