JPH0227630B2 - - Google Patents

Info

Publication number
JPH0227630B2
JPH0227630B2 JP56175630A JP17563081A JPH0227630B2 JP H0227630 B2 JPH0227630 B2 JP H0227630B2 JP 56175630 A JP56175630 A JP 56175630A JP 17563081 A JP17563081 A JP 17563081A JP H0227630 B2 JPH0227630 B2 JP H0227630B2
Authority
JP
Japan
Prior art keywords
elements
focus
directivity
delay
addition
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 - Lifetime
Application number
JP56175630A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5877676A (ja
Inventor
Shinichiro Umemura
Kageyoshi Katakura
Toshio Ogawa
Yuriko Takabayashi
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.)
Hitachi Healthcare Manufacturing Ltd
Original Assignee
Hitachi Medical Corp
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 Hitachi Medical Corp filed Critical Hitachi Medical Corp
Priority to JP17563081A priority Critical patent/JPS5877676A/ja
Publication of JPS5877676A publication Critical patent/JPS5877676A/ja
Publication of JPH0227630B2 publication Critical patent/JPH0227630B2/ja
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP17563081A 1981-11-04 1981-11-04 超音波受信装置 Granted JPS5877676A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17563081A JPS5877676A (ja) 1981-11-04 1981-11-04 超音波受信装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17563081A JPS5877676A (ja) 1981-11-04 1981-11-04 超音波受信装置

Publications (2)

Publication Number Publication Date
JPS5877676A JPS5877676A (ja) 1983-05-11
JPH0227630B2 true JPH0227630B2 (enrdf_load_stackoverflow) 1990-06-19

Family

ID=15999437

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17563081A Granted JPS5877676A (ja) 1981-11-04 1981-11-04 超音波受信装置

Country Status (1)

Country Link
JP (1) JPS5877676A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104181540B (zh) * 2014-09-05 2017-02-22 哈尔滨工程大学 一种基于编码信号的同时多焦点浅水多波束接收动态聚焦系统
CN104199014B (zh) * 2014-09-05 2016-06-29 哈尔滨工程大学 一种基于编码信号的同时多焦点浅水多波束发射聚焦系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5618778A (en) * 1979-07-25 1981-02-21 Toshiba Corp Ultrasonic image apparatus

Also Published As

Publication number Publication date
JPS5877676A (ja) 1983-05-11

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