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AU163088B2 - 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
AU163088B2
AU163088B2 AU19911/53A AU1991153A AU163088B2 AU 163088 B2 AU163088 B2 AU 163088B2 AU 19911/53 A AU19911/53 A AU 19911/53A AU 1991153 A AU1991153 A AU 1991153A AU 163088 B2 AU163088 B2 AU 163088B2
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
AU19911/53A
Other versions
AU1991153A (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 And Jordan Jay Baruch Trading Together In Partnership As Bolt Beranek & Newman Consulting Engineers Of Ig Eliot Street Cambridge Massachusetts Unitedstates O
Original Assignee
Richard Henry Bolt Leo Leroy Beranek Robert Bradford Newman Samuel Labate And Jordan Jay Baruch Trading Together In Partnership As Bolt Beranek & Newman Consulting Engineers Of Ig Eliot Street Cambridge Massachusetts Unitedstates O
Filing date
Publication date
Application filed by Richard Henry Bolt Leo Leroy Beranek Robert Bradford Newman Samuel Labate And Jordan Jay Baruch Trading Together In Partnership As Bolt Beranek & Newman Consulting Engineers Of Ig Eliot Street Cambridge Massachusetts Unitedstates O filed Critical Richard Henry Bolt Leo Leroy Beranek Robert Bradford Newman Samuel Labate And Jordan Jay Baruch Trading Together In Partnership As Bolt Beranek & Newman Consulting Engineers Of Ig Eliot Street Cambridge Massachusetts Unitedstates O
Application granted granted Critical
Publication of AU1991153A publication Critical patent/AU1991153A/en
Publication of AU163088B2 publication Critical patent/AU163088B2/en
Expired legal-status Critical Current

Links

AU19911/53A 1953-07-17 A method and apparatus for reducing the intensity of sound Expired AU163088B2 (en)

Publications (2)

Publication Number Publication Date
AU1991153A AU1991153A (en) 1953-09-17
AU163088B2 true AU163088B2 (en) 1953-09-17

Family

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