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AU161939B2 - A method and apparatus for reducing the intensity of sound - Google Patents

A method and apparatus for reducing the intensity of sound

Info

Publication number
AU161939B2
AU161939B2 AU19909/53A AU1990953A AU161939B2 AU 161939 B2 AU161939 B2 AU 161939B2 AU 19909/53 A AU19909/53 A AU 19909/53A AU 1990953 A AU1990953 A AU 1990953A AU 161939 B2 AU161939 B2 AU 161939B2
Authority
AU
Australia
Prior art keywords
sound
intensity
reducing
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
AU19909/53A
Other versions
AU1990953A (en
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.)
Richard Henry Bolt Leo Leroy Beranek Robert Bradford Newman Samuel Labate
Original Assignee
Richard Henry Bolt Leo Leroy Beranek Robert Bradford Newman Samuel Labate
Filing date
Publication date
Application filed by Richard Henry Bolt Leo Leroy Beranek Robert Bradford Newman Samuel Labate filed Critical Richard Henry Bolt Leo Leroy Beranek Robert Bradford Newman Samuel Labate
Application granted granted Critical
Publication of AU161939B2 publication Critical patent/AU161939B2/en
Publication of AU1990953A publication Critical patent/AU1990953A/en
Expired legal-status Critical Current

Links

AU19909/53A 1953-07-17 A method and apparatus for reducing the intensity of sound Expired AU161939B2 (en)

Publications (2)

Publication Number Publication Date
AU161939B2 true AU161939B2 (en) 1953-09-17
AU1990953A AU1990953A (en) 1953-09-17

Family

ID=

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