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GB2021267B - Acoustic sensor for use in detecting projectiles passing in the vicinity of an airborne target - Google Patents

Acoustic sensor for use in detecting projectiles passing in the vicinity of an airborne target

Info

Publication number
GB2021267B
GB2021267B GB7910827A GB7910827A GB2021267B GB 2021267 B GB2021267 B GB 2021267B GB 7910827 A GB7910827 A GB 7910827A GB 7910827 A GB7910827 A GB 7910827A GB 2021267 B GB2021267 B GB 2021267B
Authority
GB
United Kingdom
Prior art keywords
vicinity
acoustic sensor
airborne target
projectiles passing
detecting
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
GB7910827A
Other versions
GB2021267A (en
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.)
Societe Francaise dEquipements pour la Navigation Aerienne SFENA SA
Original Assignee
Societe Francaise dEquipements pour la Navigation Aerienne SFENA SA
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 Societe Francaise dEquipements pour la Navigation Aerienne SFENA SA filed Critical Societe Francaise dEquipements pour la Navigation Aerienne SFENA SA
Publication of GB2021267A publication Critical patent/GB2021267A/en
Application granted granted Critical
Publication of GB2021267B publication Critical patent/GB2021267B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/10—Amplitude; Power
    • 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
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB7910827A 1978-03-31 1979-03-28 Acoustic sensor for use in detecting projectiles passing in the vicinity of an airborne target Expired GB2021267B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7809654A FR2421526A1 (en) 1978-03-31 1978-03-31 ACOUSTIC-SENSOR IMPROVEMENT USED IN ELECTRO-ACOUSTIC SYSTEMS FOR DETECTION OF PROJECTILES PASSING THROUGH AN AIR TARGET

Publications (2)

Publication Number Publication Date
GB2021267A GB2021267A (en) 1979-11-28
GB2021267B true GB2021267B (en) 1982-06-03

Family

ID=9206548

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7910827A Expired GB2021267B (en) 1978-03-31 1979-03-28 Acoustic sensor for use in detecting projectiles passing in the vicinity of an airborne target

Country Status (2)

Country Link
FR (1) FR2421526A1 (en)
GB (1) GB2021267B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4388502A (en) * 1981-12-14 1983-06-14 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Adapter for mounting a microphone flush with the external surface of the skin of a pressurized aircraft
US7787331B2 (en) * 2008-05-13 2010-08-31 Bbn Technologies, Corp. Sensor for airborne shooter localization system
US11034579B2 (en) * 2019-07-12 2021-06-15 Hyundai Motor Company Microphone and manufacturing method thereof
EP4331236A1 (en) * 2021-04-30 2024-03-06 Zipline International Inc. Noise reducing nosecone for aircraft

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE348523C (en) * 1920-05-08 1922-02-10 Signal Ges M B H Device for eliminating interference from sound signals in sound receiving systems, in particular in connection with underwater sound receivers
FR1484625A (en) * 1965-06-04 1967-06-16 Rohde & Schwarz Fa Aircraft engine noise monitoring and control installation
FR1480268A (en) * 1966-03-29 1967-05-12 Philips Nv Device for remote monitoring of the functioning of mechanical parts
FR2260091B1 (en) * 1974-02-05 1976-06-25 Activite Atom Avance

Also Published As

Publication number Publication date
GB2021267A (en) 1979-11-28
FR2421526A1 (en) 1979-10-26
FR2421526B1 (en) 1982-03-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950328