GB902756A - System for acoustical detection of projectiles passing in the vicinity of an air-borne target - Google Patents

System for acoustical detection of projectiles passing in the vicinity of an air-borne target

Info

Publication number
GB902756A
GB902756A GB208960A GB208960A GB902756A GB 902756 A GB902756 A GB 902756A GB 208960 A GB208960 A GB 208960A GB 208960 A GB208960 A GB 208960A GB 902756 A GB902756 A GB 902756A
Authority
GB
United Kingdom
Prior art keywords
target
projectile
microphones
vicinity
air
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
GB208960A
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 GB902756A publication Critical patent/GB902756A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J5/00—Target indicating systems; Target-hit or score detecting systems
    • F41J5/06—Acoustic hit-indicating systems, i.e. detecting of shock waves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J5/00—Target indicating systems; Target-hit or score detecting systems
    • F41J5/12—Target indicating systems; Target-hit or score detecting systems for indicating the distance by which a bullet misses the target

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

902,756. Acoustic distance-measuring and direction finding. SOC. FRANCAISE D'EQUIPEMENTS POUR LA NAVIGATION AERIENNE. Jan. 20, 1960 [Jan. 30, 1959], No. 2089/60. Drawings to Specification. Class 40 (7). In an arrangement for determining the accuracy of shooting from aircraft at an airborne target the signals generated by four coplanar microphones symmetrically positioned around the body of the target in response to the passage of a projectile in the vicinity thereof are transmitted over separate radio channels to a ground station and recorded as separate traces on a record sheet. The particular quadrant of space surrounding the target through which the projectile has passed is then given, knowing the disposition of the microphones, by the air of (adjacent) microphones which produce maximum signal traces. If the apparatus is suitably calibrated the distance of the projectile from the target may be determined by the amplitudes of the recorded signals.
GB208960A 1959-01-30 1960-01-20 System for acoustical detection of projectiles passing in the vicinity of an air-borne target Expired GB902756A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR785444 1959-01-30

Publications (1)

Publication Number Publication Date
GB902756A true GB902756A (en) 1962-08-09

Family

ID=8710704

Family Applications (1)

Application Number Title Priority Date Filing Date
GB208960A Expired GB902756A (en) 1959-01-30 1960-01-20 System for acoustical detection of projectiles passing in the vicinity of an air-borne target

Country Status (2)

Country Link
FR (1) FR1214727A (en)
GB (1) GB902756A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603590A (en) * 1968-05-24 1971-09-07 Flygmal Air Target Ltd Ab Apparatus for recording hit results activated by shock waves energizing hit detectors
US4323993A (en) * 1977-12-29 1982-04-06 Swedair Ab Indicator apparatus for determining the miss distance of a projectile in relation to a fixed or moving target

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603590A (en) * 1968-05-24 1971-09-07 Flygmal Air Target Ltd Ab Apparatus for recording hit results activated by shock waves energizing hit detectors
US4323993A (en) * 1977-12-29 1982-04-06 Swedair Ab Indicator apparatus for determining the miss distance of a projectile in relation to a fixed or moving target

Also Published As

Publication number Publication date
FR1214727A (en) 1960-04-11

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