JPS58160877A - 超音波送信装置 - Google Patents

超音波送信装置

Info

Publication number
JPS58160877A
JPS58160877A JP4315982A JP4315982A JPS58160877A JP S58160877 A JPS58160877 A JP S58160877A JP 4315982 A JP4315982 A JP 4315982A JP 4315982 A JP4315982 A JP 4315982A JP S58160877 A JPS58160877 A JP S58160877A
Authority
JP
Japan
Prior art keywords
pulses
pulse
frequency
pulse train
ultrasonic
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
JP4315982A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0117551B2 (enrdf_load_stackoverflow
Inventor
Masuo Fukuda
福田　増夫
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP4315982A priority Critical patent/JPS58160877A/ja
Publication of JPS58160877A publication Critical patent/JPS58160877A/ja
Publication of JPH0117551B2 publication Critical patent/JPH0117551B2/ja
Granted 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
    • 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
    • G01S7/523—Details of pulse systems
    • G01S7/524—Transmitters
    • 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP4315982A 1982-03-18 1982-03-18 超音波送信装置 Granted JPS58160877A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4315982A JPS58160877A (ja) 1982-03-18 1982-03-18 超音波送信装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4315982A JPS58160877A (ja) 1982-03-18 1982-03-18 超音波送信装置

Publications (2)

Publication Number Publication Date
JPS58160877A true JPS58160877A (ja) 1983-09-24
JPH0117551B2 JPH0117551B2 (enrdf_load_stackoverflow) 1989-03-30

Family

ID=12656080

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4315982A Granted JPS58160877A (ja) 1982-03-18 1982-03-18 超音波送信装置

Country Status (1)

Country Link
JP (1) JPS58160877A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0117551B2 (enrdf_load_stackoverflow) 1989-03-30

Similar Documents

Publication Publication Date Title
US4611494A (en) Ultrasonic imaging apparatus using digital control
JPS58160877A (ja) 超音波送信装置
EP0016812B1 (en) Sonar transmitter for generating amplitude-modulated pulses
US5129398A (en) Ultrasonic diagnostic device
US4353123A (en) Ultrasonic transmitter
US4020446A (en) Ultrasonic wave transmitting system
JPS639627B2 (enrdf_load_stackoverflow)
US3266010A (en) Phase control system for use in producing a variable direction beam from a fixed transmitting array
GB1210087A (en) Beam scanning apparatus using sonic, ultrasonic or electro-magnetic waves
JPS61271485A (ja) 多周波超音波パルスの連続送波方法
JPS5924276A (ja) フエイズドアレイ振動子駆動方式
GB1074361A (en) Acoustic propagation line for compressing trains of electric waves
SU789737A1 (ru) Устройство дл возбуждени секционированного электромагнитно- акустического преобразовател
SU1264368A1 (ru) Устройство дл формировани амплитудно-фазоманипулированного сигнала
JPS6215478A (ja) 水中探知装置における超音波信号の送信装置
JPH0121472B2 (enrdf_load_stackoverflow)
JP2003116851A (ja) 広角指向性超音波ビーム形成方法及び装置
JPS59115027A (ja) 超音波診断装置
JP2584702Y2 (ja) 超音波ビーム指向方向制御装置
JPH05337107A (ja) 超音波診断装置
JPS63302833A (ja) 超音波診断装置
JPS6048735A (ja) 超音波診断装置
JPH0413672B2 (enrdf_load_stackoverflow)
JPH0627227A (ja) ソーナー反響音の模擬回路
JPS59153186A (ja) 超音波トランスジユ−サのエキサイト方法