GB1212106A - Sonar system - Google Patents

Sonar system

Info

Publication number
GB1212106A
GB1212106A GB1757968A GB1757968A GB1212106A GB 1212106 A GB1212106 A GB 1212106A GB 1757968 A GB1757968 A GB 1757968A GB 1757968 A GB1757968 A GB 1757968A GB 1212106 A GB1212106 A GB 1212106A
Authority
GB
United Kingdom
Prior art keywords
delay line
time
hydrophones
taps
delay
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
GB1757968A
Other languages
English (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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1212106A publication Critical patent/GB1212106A/en
Expired 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G10K11/346—Circuits therefor using phase variation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Electrophonic Musical Instruments (AREA)
GB1757968A 1967-04-15 1968-04-11 Sonar system Expired GB1212106A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6705344A NL154011B (nl) 1967-04-15 1967-04-15 Luisterstelsel.

Publications (1)

Publication Number Publication Date
GB1212106A true GB1212106A (en) 1970-11-11

Family

ID=19799860

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1757968A Expired GB1212106A (en) 1967-04-15 1968-04-11 Sonar system

Country Status (3)

Country Link
FR (1) FR1569897A (enrdf_load_stackoverflow)
GB (1) GB1212106A (enrdf_load_stackoverflow)
NL (1) NL154011B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2050619A5 (enrdf_load_stackoverflow) * 1969-06-18 1971-04-02 Cit Alcatel
FR2279101A1 (fr) * 1974-02-20 1976-02-13 Labo Electronique Physique Systeme d'analyse par ultrasons
FR2567670B1 (fr) * 1984-07-10 1988-01-22 Cgr Ultrasonic Dispositif de focalisation electronique d'ondes ultrasonores

Also Published As

Publication number Publication date
NL154011B (nl) 1977-07-15
NL6705344A (enrdf_load_stackoverflow) 1968-10-16
DE1616223B2 (de) 1975-11-06
DE1616223A1 (de) 1971-03-18
FR1569897A (enrdf_load_stackoverflow) 1969-06-06

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Legal Events

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