JPS5643897A - Transmitter-receiver with reflector - Google Patents

Transmitter-receiver with reflector

Info

Publication number
JPS5643897A
JPS5643897A JP11897679A JP11897679A JPS5643897A JP S5643897 A JPS5643897 A JP S5643897A JP 11897679 A JP11897679 A JP 11897679A JP 11897679 A JP11897679 A JP 11897679A JP S5643897 A JPS5643897 A JP S5643897A
Authority
JP
Japan
Prior art keywords
reflector
vibration
transmitter
receiver
acoustic waves
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
JP11897679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6239599B2 (enrdf_load_stackoverflow
Inventor
Akira Kameyama
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 JP11897679A priority Critical patent/JPS5643897A/ja
Publication of JPS5643897A publication Critical patent/JPS5643897A/ja
Publication of JPS6239599B2 publication Critical patent/JPS6239599B2/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
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP11897679A 1979-09-17 1979-09-17 Transmitter-receiver with reflector Granted JPS5643897A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11897679A JPS5643897A (en) 1979-09-17 1979-09-17 Transmitter-receiver with reflector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11897679A JPS5643897A (en) 1979-09-17 1979-09-17 Transmitter-receiver with reflector

Publications (2)

Publication Number Publication Date
JPS5643897A true JPS5643897A (en) 1981-04-22
JPS6239599B2 JPS6239599B2 (enrdf_load_stackoverflow) 1987-08-24

Family

ID=14749933

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11897679A Granted JPS5643897A (en) 1979-09-17 1979-09-17 Transmitter-receiver with reflector

Country Status (1)

Country Link
JP (1) JPS5643897A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112702669A (zh) * 2020-12-21 2021-04-23 西安讯飞超脑信息科技有限公司 拾音设备、方法、装置、系统和存储介质

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112702669A (zh) * 2020-12-21 2021-04-23 西安讯飞超脑信息科技有限公司 拾音设备、方法、装置、系统和存储介质

Also Published As

Publication number Publication date
JPS6239599B2 (enrdf_load_stackoverflow) 1987-08-24

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