US3765236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for recording swell frequency and propagation direction of waves
Assignee: Bpifrance Financement SA
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Filing: 1971-02-24
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Granted: 1973-10-16
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Expires: 1991-02-24
Abstract
Abstract Apparatus for measuring the swell frequency and propagation direction of an ocean wave which comprises a swell collector including a water gauge which is partially submerged, the collector being connected by a rigid shaft to a ballast. A flexible connection is provided to an anchoring device and the collector encloses a magnetic compass and a counter. Remote readout means are also included.
Inventors
- 👤 L Erdely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:00
CPC Classifications
G; G01; G01C; G01C13/00; G01C13/002; G01C13/004
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
127 words
Apparatus for swell frequency and propagation recording, comprising a swell collector including a water gauge (1) adapted to be partially submerged, said collector being connected by a rigid shaft (5) to a ballast (4) having an exterior shape identical to the submerged portion of said water gauge (1), the thrust center of said water gauge (1), said shaft (5), and said ballast (4) being connected by a flexible connection (31) to an anchoring device (3), and the collector enclosing a magnetic compass on a horizontal balance on a pivot (119), and means integrally mounted on said water gauge (1) and operatively associated with said magnetic compass for sensing the displacement and direction of displacement of said compass about a horizontal axis relative to said water gauge (1).
Claim 2
Dependent Claim
127 words
Apparatus for swell frequency and propagation recording, comprising a swell collector including a water gauge (1) adapted to be partially submerged, said collector being connected by a rigid shaft (5) to a ballast (4) having an exterior shape identical to the submerged portion of said water gauge (1), the thrust center of said water gauge (1), said shaft (5), and said ballast (4) being connected by a flexible connection (31) to an anchoring device (3), and the collector enclosing a magnetic compass on a horizontal balance on a pivot (119), and means integrally mounted on said water gauge (1) and operatively associated with said magnetic compass for sensing the displacement and direction of displacement of said compass about a horizontal axis relative to said water gauge (1).
Claim 3
Dependent Claim
92 words
Apparatus according to claim 1 wherein the magnetic compass includes a rose (11) having provided thereon a plurality of metallic blocks (111-118) circumferentially spaced and located at different distances from the pivot (119), each block adapted under the effect of a wave to make contact with one of a plurality of corresponding ring-shaped bands (121-128), said bands being integral with the water gauge (1), the arrangement being characterized that the engagement of one of said blocks with one of said bands forms an electrical contact which identifies the direction of the wave.
Claim 4
Dependent Claim
35 words
Apparatus according to claim 2 wherein each ring-shaped band (121-128) is connected to an electromagnet (231-238) acting on a ratchet wheel (221-225), each ratchet wheel including an end-of-cycle contact connected to a signal lamp (241-249).
Claim 5
Dependent Claim
58 words
Apparatus according to claim 3 wherein said signal lamps (241-248) are arranged in a rosette around a date clock (21), a complete turn of each of said ratchet wheels illuminating a corresponding one of said signal lamps (241-248) and setting into operation a motion picture camera in whose range are placed the clock and its rosette of signals.
Claim 6
Dependent Claim
49 words
Apparatus according to claim 3 wherein the end-of-cycle contact of each ratchet wheel (221-228) is connected to an alternating voltage generator having various output frequencies, and a sender placed on land or on a buoy for transmitting the frequency of the signal which indicates the direction of the swell.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-15 | 1977-04-16 | 1977-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-15 | 1981-04-16 | 1981-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-15 | 1985-04-16 | 1985-10-16 | $7700.00 | Window Closed / Lapsed |