JPS5417701A - Acoustic device and system - Google Patents

Acoustic device and system

Info

Publication number
JPS5417701A
JPS5417701A JP5813878A JP5813878A JPS5417701A JP S5417701 A JPS5417701 A JP S5417701A JP 5813878 A JP5813878 A JP 5813878A JP 5813878 A JP5813878 A JP 5813878A JP S5417701 A JPS5417701 A JP S5417701A
Authority
JP
Japan
Prior art keywords
acoustic device
acoustic
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
JP5813878A
Other languages
Japanese (ja)
Other versions
JPS6145772B2 (en
Inventor
Arubaato Ashiyu Eritsuku
Debitsuto Benetsuto Saimon
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Publication of JPS5417701A publication Critical patent/JPS5417701A/en
Publication of JPS6145772B2 publication Critical patent/JPS6145772B2/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
    • G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP5813878A 1977-05-17 1978-05-16 Acoustic device and system Granted JPS5417701A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2071377A GB1602741A (en) 1977-05-17 1977-05-17 Acoustic test devices

Publications (2)

Publication Number Publication Date
JPS5417701A true JPS5417701A (en) 1979-02-09
JPS6145772B2 JPS6145772B2 (en) 1986-10-09

Family

ID=10150440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5813878A Granted JPS5417701A (en) 1977-05-17 1978-05-16 Acoustic device and system

Country Status (3)

Country Link
JP (1) JPS5417701A (en)
DE (1) DE2821573A1 (en)
GB (1) GB1602741A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367648A (en) * 1980-03-25 1983-01-11 National Research Development Corporation Dark field viewing apparatus
JPS6249860A (en) * 1985-08-29 1987-03-04 日本赤十字社 Plasma collector
JPS63255878A (en) * 1987-04-10 1988-10-24 Matsushita Electric Ind Co Ltd Optical head supporting device
JPS63304475A (en) * 1987-06-04 1988-12-12 Matsushita Electric Ind Co Ltd Optical head supporting device
JPS6486375A (en) * 1987-09-28 1989-03-31 Matsushita Electric Ind Co Ltd Optical head supporting device
JPH01109576A (en) * 1987-10-22 1989-04-26 Matsushita Electric Ind Co Ltd Optical head supporting device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB684418A (en) * 1949-04-21 1952-12-17 Brush Dev Focused electromechanical transducing device

Also Published As

Publication number Publication date
JPS6145772B2 (en) 1986-10-09
DE2821573C2 (en) 1987-09-17
GB1602741A (en) 1981-11-18
DE2821573A1 (en) 1978-12-21

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