CA2060443A1 - Vibrometres pour funes de chalut - Google Patents
Vibrometres pour funes de chalutInfo
- Publication number
- CA2060443A1 CA2060443A1 CA 2060443 CA2060443A CA2060443A1 CA 2060443 A1 CA2060443 A1 CA 2060443A1 CA 2060443 CA2060443 CA 2060443 CA 2060443 A CA2060443 A CA 2060443A CA 2060443 A1 CA2060443 A1 CA 2060443A1
- Authority
- CA
- Canada
- Prior art keywords
- cable
- vibration
- trawl
- alarm
- vessel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 230000003993 interaction Effects 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 45
- 238000001514 detection method Methods 0.000 claims description 21
- 230000004044 response Effects 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000003213 activating effect Effects 0.000 claims 3
- 230000000630 rising effect Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 230000008859 change Effects 0.000 description 10
- 230000002688 persistence Effects 0.000 description 10
- 230000003321 amplification Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920006370 Kynar Polymers 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K73/00—Drawn nets
- A01K73/02—Trawling nets
- A01K73/06—Hauling devices for the headlines
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2060443 CA2060443A1 (fr) | 1992-01-31 | 1992-01-31 | Vibrometres pour funes de chalut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2060443 CA2060443A1 (fr) | 1992-01-31 | 1992-01-31 | Vibrometres pour funes de chalut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2060443A1 true CA2060443A1 (fr) | 1993-08-01 |
Family
ID=4149191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2060443 Abandoned CA2060443A1 (fr) | 1992-01-31 | 1992-01-31 | Vibrometres pour funes de chalut |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2060443A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897291A (zh) * | 2012-10-16 | 2013-01-30 | 浙江海洋学院 | 大张角拖网装置 |
-
1992
- 1992-01-31 CA CA 2060443 patent/CA2060443A1/fr not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897291A (zh) * | 2012-10-16 | 2013-01-30 | 浙江海洋学院 | 大张角拖网装置 |
| CN102897291B (zh) * | 2012-10-16 | 2015-11-25 | 浙江海洋学院 | 大张角拖网装置 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5376933A (en) | Trawl cable vibration meter | |
| Baker et al. | The NIO combination net (RMT 1+ 8) and further developments of rectangular midwater trawls | |
| Sameoto et al. | Collecting zooplankton | |
| US5410519A (en) | Acoustic tracking system | |
| US5168471A (en) | Integrated passive acoustic and active ultrasonic marine aquatic finder system | |
| WO2009140957A1 (fr) | Indicateur de touche automatique pour la pêche à la ligne de poissons | |
| Somerton et al. | The affect of speed through the water on footrope contact of a survey trawl | |
| JP2000284042A (ja) | 遠隔操縦釣り用無人ボートおよびその遠隔操縦装置 | |
| Thode et al. | Using line acceleration to measure false killer whale (Pseudorca crassidens) click and whistle source levels during pelagic longline depredation | |
| Wartzok et al. | Under-ice movements and the sensory basis of hole finding by ringed and Weddell seals | |
| Schusterman et al. | Detection of underwater signals by a California sea lion and a bottlenose porpoise: Variation in the payoff matrix | |
| Koschinski et al. | Behavioral reactions of free-ranging harbor porpoises Phocoena phocoena encountering standard nylon and BaSO4 mesh gillnets and warning sound | |
| AU8281791A (en) | Passive acoustic aquatic animal finder apparatus and method | |
| CA2060443A1 (fr) | Vibrometres pour funes de chalut | |
| Caddy | A method of surveying scallop populations from a submersible | |
| EP0263615B1 (fr) | Dispositif utilisable dans la pêche au chalut | |
| EP0384681A1 (fr) | Indicateur de touche | |
| US4323222A (en) | Control systems for hydraulically operated elements circuits or systems | |
| US3299559A (en) | Trawl net load responsive apparatus | |
| JPS5836278Y2 (ja) | 漁撈装置 | |
| EP0708593A1 (fr) | Systeme de detection d'activite a distance | |
| DE207038T1 (de) | Nachgezogenes dichtemessgeraet. | |
| CN217694983U (zh) | 一种可调式响珠钓坠 | |
| Witty | Fishing vessel navigation | |
| JP2025174763A (ja) | 網口高さのベクトル底引き網 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |