JPS57204477A - Receiving device - Google Patents

Receiving device

Info

Publication number
JPS57204477A
JPS57204477A JP56089667A JP8966781A JPS57204477A JP S57204477 A JPS57204477 A JP S57204477A JP 56089667 A JP56089667 A JP 56089667A JP 8966781 A JP8966781 A JP 8966781A JP S57204477 A JPS57204477 A JP S57204477A
Authority
JP
Japan
Prior art keywords
sampling
memory
signal
receiving signal
receiving
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.)
Granted
Application number
JP56089667A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0131151B2 (cs
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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (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 true JPS57204477A (en) 1982-12-15
JPH0131151B2 JPH0131151B2 (cs) 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 (cs)

Cited By (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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5067160A (cs) * 1973-10-15 1975-06-05
JPS5366760A (en) * 1976-11-27 1978-06-14 Canon Inc Transmission and reception of sound waves

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5067160A (cs) * 1973-10-15 1975-06-05
JPS5366760A (en) * 1976-11-27 1978-06-14 Canon Inc Transmission and reception of sound waves

Cited By (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

Also Published As

Publication number Publication date
JPH0131151B2 (cs) 1989-06-23

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