GB1251859A - - Google Patents

Info

Publication number
GB1251859A
GB1251859A GB1251859DA GB1251859A GB 1251859 A GB1251859 A GB 1251859A GB 1251859D A GB1251859D A GB 1251859DA GB 1251859 A GB1251859 A GB 1251859A
Authority
GB
United Kingdom
Prior art keywords
directions
different directions
july
range
beams
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
Other languages
English (en)
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
Priority claimed from DE19681766751 external-priority patent/DE1766751C3/de
Application filed filed Critical
Publication of GB1251859A publication Critical patent/GB1251859A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/18Methods or devices for transmitting, conducting or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • G10K11/34Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802Systems for determining direction or deviation from predetermined direction
    • G01S3/809Rotating or oscillating beam systems using continuous analysis of received signal for determining direction in the plane of rotation or oscillation or for determining deviation from a predetermined direction in such a plane

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB1251859D 1968-07-12 1969-07-11 Expired GB1251859A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681766751 DE1766751C3 (de) 1968-07-12 Sonaranlage zum Aussenden Von gerichteten Lotimpulsen

Publications (1)

Publication Number Publication Date
GB1251859A true GB1251859A (https=) 1971-11-03

Family

ID=5699081

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251859D Expired GB1251859A (https=) 1968-07-12 1969-07-11

Country Status (2)

Country Link
FR (1) FR2012818B1 (https=)
GB (1) GB1251859A (https=)

Also Published As

Publication number Publication date
FR2012818B1 (https=) 1974-05-31
DE1766751B2 (de) 1976-02-05
FR2012818A1 (https=) 1970-03-27
DE1766751A1 (de) 1971-08-12

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Legal Events

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