CA1151281A - Acoustic beacons - Google Patents

Acoustic beacons

Info

Publication number
CA1151281A
CA1151281A CA000355498A CA355498A CA1151281A CA 1151281 A CA1151281 A CA 1151281A CA 000355498 A CA000355498 A CA 000355498A CA 355498 A CA355498 A CA 355498A CA 1151281 A CA1151281 A CA 1151281A
Authority
CA
Canada
Prior art keywords
housing
pressure switch
beacon
pressure
membrane
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.)
Expired
Application number
CA000355498A
Other languages
English (en)
French (fr)
Inventor
Baard Holand
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1151281A publication Critical patent/CA1151281A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
    • B63C7/26—Means for indicating the location of underwater objects, e.g. sunken vessels
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/22—Mountings; Casings

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
CA000355498A 1979-07-06 1980-07-04 Acoustic beacons Expired CA1151281A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO792,250 1979-07-06
NO792250A NO792250L (no) 1979-07-06 1979-07-06 Akustisk markoer.

Publications (1)

Publication Number Publication Date
CA1151281A true CA1151281A (en) 1983-08-02

Family

ID=19884953

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000355498A Expired CA1151281A (en) 1979-07-06 1980-07-04 Acoustic beacons

Country Status (6)

Country Link
EP (1) EP0024267A1 (el)
CA (1) CA1151281A (el)
DK (1) DK288580A (el)
FI (1) FI802114A (el)
GR (1) GR69635B (el)
NO (1) NO792250L (el)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992021557A1 (en) * 1991-05-28 1992-12-10 Landcare Research New Zealand Limited Oceanic location and recovery device and method
GB9307867D0 (en) * 1993-04-16 1993-06-02 Gray Elliot J Fishing vessel warning system
DE102007052177A1 (de) 2007-10-30 2009-05-07 Novega Produktionssysteme Gmbh Ortungsbake
GB2506186A (en) * 2012-09-25 2014-03-26 Eleanor Deal Safe Wall Identification for Visually Impaired Swimmers
CN105160820A (zh) * 2015-08-28 2015-12-16 大连测控技术研究所 一种具有身份识别功能的水声信标
CN108549053A (zh) * 2018-03-15 2018-09-18 中国人民解放军91388部队 一种北斗同步及遥控的多信号体制水声定位信标系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3686656A (en) * 1970-06-24 1972-08-22 Charles D Richards Sunken vessel locator

Also Published As

Publication number Publication date
GR69635B (el) 1982-07-06
EP0024267A1 (en) 1981-02-25
FI802114A (fi) 1981-01-07
NO792250L (no) 1981-01-07
DK288580A (da) 1981-01-07

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Legal Events

Date Code Title Description
MKEX Expiry