BE723031A - - Google Patents

Info

Publication number
BE723031A
BE723031A BE723031DA BE723031A BE 723031 A BE723031 A BE 723031A BE 723031D A BE723031D A BE 723031DA BE 723031 A BE723031 A BE 723031A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE723031A publication Critical patent/BE723031A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G7/00—Mine-sweeping; Vessels characterised thereby
    • B63G7/02—Mine-sweeping means, Means for destroying mines
    • B63G7/08—Mine-sweeping means, Means for destroying mines of acoustic type
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/02—Non-electrical signal transmission systems, e.g. optical systems using infrasonic, sonic or ultrasonic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
BE723031D 1967-11-01 1968-10-28 BE723031A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67978567A 1967-11-01 1967-11-01

Publications (1)

Publication Number Publication Date
BE723031A true BE723031A (fr) 1969-04-01

Family

ID=24728355

Family Applications (1)

Application Number Title Priority Date Filing Date
BE723031D BE723031A (fr) 1967-11-01 1968-10-28

Country Status (6)

Country Link
BE (1) BE723031A (fr)
DE (1) DE1804398C3 (fr)
FR (1) FR1586552A (fr)
GB (1) GB1214050A (fr)
NL (1) NL157123B (fr)
NO (1) NO125252B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2207396B1 (fr) * 1972-11-17 1976-10-29 Charbonnages De France
GB2117948A (en) * 1982-03-22 1983-10-19 Ml Aviation Co Ltd Initiation of devices by high- frequency sound waves
GB8906254D0 (en) * 1989-03-18 1989-05-04 Edwards Allan R Improvements in and relating to fishing bite indicators

Also Published As

Publication number Publication date
NL6815549A (fr) 1969-05-05
GB1214050A (en) 1970-11-25
DE1804398A1 (de) 1969-07-24
FR1586552A (fr) 1970-02-20
DE1804398C3 (de) 1979-04-26
NL157123B (nl) 1978-06-15
NO125252B (fr) 1972-08-07
DE1804398B2 (de) 1978-08-31

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: RAYTHEON CY

Effective date: 19861031