JPS4931346A - - Google Patents

Info

Publication number
JPS4931346A
JPS4931346A JP48016399A JP1639973A JPS4931346A JP S4931346 A JPS4931346 A JP S4931346A JP 48016399 A JP48016399 A JP 48016399A JP 1639973 A JP1639973 A JP 1639973A JP S4931346 A JPS4931346 A JP S4931346A
Authority
JP
Japan
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.)
Granted
Application number
JP48016399A
Other languages
Japanese (ja)
Other versions
JPS5336791B2 (sv
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 filed Critical
Publication of JPS4931346A publication Critical patent/JPS4931346A/ja
Publication of JPS5336791B2 publication Critical patent/JPS5336791B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52046—Techniques for image enhancement involving transmitter or receiver
    • 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

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP1639973A 1972-02-11 1973-02-09 Expired JPS5336791B2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH203272A CH549220A (de) 1972-02-11 1972-02-11 Verfahren und vorrichtung zur verrringerung der seitenmaxima bei ultraschall-echolotverfahren.

Publications (2)

Publication Number Publication Date
JPS4931346A true JPS4931346A (sv) 1974-03-20
JPS5336791B2 JPS5336791B2 (sv) 1978-10-04

Family

ID=4224325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1639973A Expired JPS5336791B2 (sv) 1972-02-11 1973-02-09

Country Status (6)

Country Link
JP (1) JPS5336791B2 (sv)
CH (1) CH549220A (sv)
DD (1) DD103967A5 (sv)
FR (1) FR2171346B1 (sv)
GB (1) GB1395933A (sv)
NL (1) NL158618B (sv)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52109966A (en) * 1976-03-12 1977-09-14 Oki Electric Ind Co Ltd Receiving beam former
JPS53145878U (sv) * 1977-04-21 1978-11-16
JPS576377A (en) * 1980-06-13 1982-01-13 Hitachi Ltd Multiplication array type ultrasonic wave searching device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6066U (ja) * 1983-06-17 1985-01-05 京セラ株式会社 セラミツク製研摩研削具
JPH023429Y2 (sv) * 1986-03-07 1990-01-26
JPS62159263U (sv) * 1986-03-28 1987-10-09

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52109966A (en) * 1976-03-12 1977-09-14 Oki Electric Ind Co Ltd Receiving beam former
JPS585385B2 (ja) * 1976-03-12 1983-01-31 沖電気工業株式会社 受信ビ−ムフォ−マ
JPS53145878U (sv) * 1977-04-21 1978-11-16
JPS576377A (en) * 1980-06-13 1982-01-13 Hitachi Ltd Multiplication array type ultrasonic wave searching device

Also Published As

Publication number Publication date
DD103967A5 (sv) 1974-02-12
JPS5336791B2 (sv) 1978-10-04
DE2306247B2 (de) 1975-11-20
NL158618B (nl) 1978-11-15
NL7300811A (sv) 1973-08-14
FR2171346B1 (sv) 1976-06-11
FR2171346A1 (sv) 1973-09-21
DE2306247A1 (de) 1973-08-16
GB1395933A (en) 1975-05-29
CH549220A (de) 1974-05-15

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