FR2315817B1 - - Google Patents

Info

Publication number
FR2315817B1
FR2315817B1 FR7520204A FR7520204A FR2315817B1 FR 2315817 B1 FR2315817 B1 FR 2315817B1 FR 7520204 A FR7520204 A FR 7520204A FR 7520204 A FR7520204 A FR 7520204A FR 2315817 B1 FR2315817 B1 FR 2315817B1
Authority
FR
France
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
FR7520204A
Other languages
French (fr)
Other versions
FR2315817A1 (fr
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.)
Gouvernement de la Republique Francaise
Original Assignee
Gouvernement de la Republique Francaise
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 Gouvernement de la Republique Francaise filed Critical Gouvernement de la Republique Francaise
Priority to FR7520204A priority Critical patent/FR2315817A1/fr
Priority to GB2573876A priority patent/GB1546730A/en
Publication of FR2315817A1 publication Critical patent/FR2315817A1/fr
Application granted granted Critical
Publication of FR2315817B1 publication Critical patent/FR2315817B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
    • G10K11/006—Transducer mounting in underwater equipment, e.g. sonobuoys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR7520204A 1975-06-27 1975-06-27 Support d'antenne circulaire pliable Granted FR2315817A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7520204A FR2315817A1 (fr) 1975-06-27 1975-06-27 Support d'antenne circulaire pliable
GB2573876A GB1546730A (en) 1975-06-27 1976-06-21 Support assemblies siutable for sonar antennae

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7520204A FR2315817A1 (fr) 1975-06-27 1975-06-27 Support d'antenne circulaire pliable

Publications (2)

Publication Number Publication Date
FR2315817A1 FR2315817A1 (fr) 1977-01-21
FR2315817B1 true FR2315817B1 (enExample) 1978-10-13

Family

ID=9157164

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7520204A Granted FR2315817A1 (fr) 1975-06-27 1975-06-27 Support d'antenne circulaire pliable

Country Status (2)

Country Link
FR (1) FR2315817A1 (enExample)
GB (1) GB1546730A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241551B (en) * 1984-02-23 1991-11-27 Gec Avionics Self-extending mechanical structures
US4725988A (en) * 1985-03-28 1988-02-16 Allied Corporation System for deploying an array of sonar projectors
IT8867861A0 (it) * 1987-10-02 1988-09-28 Thomson Csf Sonar cilindrico dispiegabile
GB2266148B (en) * 1989-06-16 1994-03-16 Marconi Co Ltd Self-erecting structure
GB2242780B (en) * 1990-03-15 1993-06-30 Dowty Maritime Systems Ltd Sonobuoy

Also Published As

Publication number Publication date
GB1546730A (en) 1979-05-31
FR2315817A1 (fr) 1977-01-21

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Legal Events

Date Code Title Description
ST Notification of lapse