JPH0131151B2 - - Google Patents

Info

Publication number
JPH0131151B2
JPH0131151B2 JP56089667A JP8966781A JPH0131151B2 JP H0131151 B2 JPH0131151 B2 JP H0131151B2 JP 56089667 A JP56089667 A JP 56089667A JP 8966781 A JP8966781 A JP 8966781A JP H0131151 B2 JPH0131151 B2 JP H0131151B2
Authority
JP
Japan
Prior art keywords
sampling
phasing
received signal
receiving
time
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
JP56089667A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57204477A (en
Inventor
Shinichiro Umemura
Masao Kuroda
Kageyoshi Katakura
Toshio Ogawa
Yuriko Takabayashi
Suminori Mizuno
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 JP56089667A priority Critical patent/JPS57204477A/ja
Publication of JPS57204477A publication Critical patent/JPS57204477A/ja
Publication of JPH0131151B2 publication Critical patent/JPH0131151B2/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
    • G10K11/341—Circuits therefor
    • G10K11/345—Circuits therefor using energy switching from one active element to another

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
JP56089667A 1981-06-12 1981-06-12 Receiving device Granted JPS57204477A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56089667A JPS57204477A (en) 1981-06-12 1981-06-12 Receiving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56089667A JPS57204477A (en) 1981-06-12 1981-06-12 Receiving device

Publications (2)

Publication Number Publication Date
JPS57204477A JPS57204477A (en) 1982-12-15
JPH0131151B2 true JPH0131151B2 (OSRAM) 1989-06-23

Family

ID=13977093

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56089667A Granted JPS57204477A (en) 1981-06-12 1981-06-12 Receiving device

Country Status (1)

Country Link
JP (1) JPS57204477A (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59195170A (ja) * 1983-04-21 1984-11-06 Nec Corp ビ−ムフオ−ミング回路
JP2008259891A (ja) * 2008-08-04 2008-10-30 Hitachi Medical Corp 超音波診断装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5521308B2 (OSRAM) * 1973-10-15 1980-06-09
JPS5930231B2 (ja) * 1976-11-27 1984-07-25 キヤノン株式会社 音波送受波法

Also Published As

Publication number Publication date
JPS57204477A (en) 1982-12-15

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