Sound reproduction system

Claim 2

A loudspeaker enclosure comprising a closed box-like member formed of a first continuous sheet of folded corrUgated material, said box-like member being substantially rectangular in transverse cross section and including four side panels and two end panels, opposite edges of said first sheet being joined together to form a seam disposed centrally of one of said panels of said box-like member, each of said panels including a single layer of corrugations extending in a predetermined direction, each of said end panels including at least two layers of corrugations with the corrugations of each layer extending in directions substantially perpendicular to the directions of the corrugations of adjacent layers of said panel, a tubular member formed of a second continuous sheet of corrugated material, said tubular member being substantially rectangular in transverse cross-section and including four side panels, opposite side edges of said second sheet being joined together to form a seam disposed centrally of one of said panels of said tubular member, said tubular member being disposed in use in surrounding relationship with said box-like member and secured thereto with the side panels of said tubular member respectively disposed in back-to-back engagement with the side panels of said box-like member, the corrugations of each of said side panels of said tubular member extending in directions substantially perpendicular to the directions of the corrugations of the adjacent side panel of said box-like member, and one of said end panels having an opening therein to facilitate the emission of sound waves therefrom, whereby the perpendicular corrugations of said end panels and said back-to-back side panels cooperate to facilitate the suppression of undesirable sound waves emitted from said loudspeaker enclosure.

Claim 3

The loudspeaker enclosure set forth in claim 1, wherein said box-like member is substantially cubical in shape.

Claim 4

The loudspeaker enclosure set forth in claim 1, wherein said box-like member and said tubular member are formed of corrugated fiberboard.

Claim 5

A loudspeaker enclosure comprising two generally tubular members of corrugated board, each of said tubular members being substantially square in transverse cross-section and including four side panels disposed substantially parallel to the longitudinal axis of said tubular member, the corrugations of each of said panels of one of said tubular members extending in directions substantially parallel to the longitudinal axis thereof, the corrugations of each of said panels of the other of said tubular members extending in directions substantially perpendicular to the longitudinal axis thereof, each of the panels of said one tubular member having two generally rectangular flaps respectively connected thereto at the opposite ends thereof, each of said flaps at one end of said one tubular member having a recess formed therein centrally of the free edge thereof, said flaps being disposed in use in a folded configuration wherein opposed ones of said flaps at each end of said one tubular member are substantially coplanar with each other having the free edges thereof secured together to form two back-to-back end panels closing the adjacent end of said one tubular member, the recesses of opposed ones of said flaps mating to form a loudspeaker opening in the corresponding end panel at said one end of said one tubular member when said flaps are disposed in the folded configuration thereof, the two back-to-back end panels at each end of said one tubular member being secured together with the loudspeaker openings thereof substantially congruent, the corrugations of each end panel of said one tubular member extending in directions substantially perpendicular to the corrugations of the other end panel at the same end of said one tubular member, said tubular members being disposed in use in as assembled configuration with said one tubular member snugly received within the other tubular member coaxially therewith and secured thereto for forming a closed housing, each one of said side panels of said one tubular member being disposed in back-to-bAck engagement with a corresponding side panel of said other tubular member when said tubular members are disposed in the assembled configuration thereof with the corrugations of the panels of each of said side walls extending in mutually perpendicular directions, whereby the perpendicular corrugations of the back-to-back end panels and side panels of said housing facilitating the suppression by said panels of undesirable sound waves emitted from said loudspeaker enclosure.

Claim 6

A loudspeaker enclosure comprising two generally tubular members of corrugated board, each of said tubular members being substantially square in transverse cross-section and including four side panels disposed substantially parallel to the longitudinal axis of said tubular member, the corrugations of each of said panels of one of said tubular members extending in directions substantially parallel to the longitudinal axis thereof, the corrugations of each of said panels of the other of said tubular members extending in directions substantially perpendicular to the longitudinal axis thereof, each of the panels of said one tubular member having two generally rectangular flaps respectively connected thereto at the opposite ends thereof, each of said flaps at one end of said one tubular member having a recess formed therein centrally of the free edge thereof, said flaps being disposed in use in a folded configuration wherein opposed ones of said flaps at each end of said one tubular member are substantially coplanar with each other having the free edges thereof secured together to form two back-to-back end panels closing the adjacent end of said one tubular member, the recesses of opposed ones of said flaps mating to form a loudspeaker opening in the corresponding end panel at said one end of said one tubular member when said flaps are disposed in the folded configuration thereof, the two back-to-back end panels at each end of said one tubular member being secured together with the loudspeaker openings thereof substantially congruent, the corrugations of each end panel of said one tubular member extending in directions substantially perpendicular to the corrugations of the other end panel at the same end of said one tubular member, said tubular members being disposed in use in as assembled configuration with said one tubular member snugly received within the other tubular member coaxially therewith and secured thereto for forming a closed housing, each one of said side panels of said one tubular member being disposed in back-to-bAck engagement with a corresponding side panel of said other tubular member when said tubular members are disposed in the assembled configuration thereof with the corrugations of the panels of each of said side walls extending in mutually perpendicular directions, whereby the perpendicular corrugations of the back-to-back end panels and side panels of said housing facilitating the suppression by said panels of undesirable sound waves emitted from said loudspeaker enclosure.

Claim 7

The loudspeaker enclosure set forth in claim 4, wherein each of said tubular members is formed of a single continuous folded sheet of corrugated material with opposite side edges thereof joined together to form a longitudinally extending seam, said seam being disposed centrally of one of said side panels of said tubular member thereby to insure the integrity of the junctures between adjacent ones of said side panels for providing a housing of increased structural strength.

Claim 8

The loudspeaker enclosure set forth in claim 4, wherein the back-to-back end panels at the other end of said one tubular member in the folded configuration thereof are provided with axially aligned connector openings therein.

Claim 9

The loudspeaker enclosure set forth in claim 4, wherein each of the flaps at the other end of said one tubular member is provided with a recess formed therein centrally of the free edge thereof, the recesses of opposed ones of said flaps at said other end of said one tubular member mating to form a connector opening in the corresponding end panel at said other end of said one tubular member when said flaps are disposed in the folded configuration thereof.

Claim 10

The loudspeaker enclosure set forth in claim 4, wherein the four panels of said other tubular member extend outwardly beyond the end panels at the opposite ends of said one tubular member and cooperate therewith to form two end recesses, and further including a loudspeaker-mounting board disposed in the end recess at said one end of said one tubular member and secured to the adjacent end panel thereof and having an opening therein aligned with the speaker opening in said adjacent end panel for mounting an associated loudspeaker thereon, and a rear cover panel disposed in the end recess at the other end of said one tubular member and secured to the adjacent end panel thereof.

Claim 11

A sound reproduction system comprising two generally tubular members of corrugated board, each of said tubular members being substantially square in transverse cross section and including four side panels disposed substantially parallel to the longitudinal axis of said tubular members, the corrugations of each of said panels of one of said tubular members extending in directions substantially parallel to the longitudinal axis thereof, the corrugations of each of said panels of the other of said tubular members extending in directions substantially perpendicular to the longitudinal axis thereof, each of the panels of said one tubular member having two generally rectangular flaps respectively connected thereto at the opposite ends thereof, each of said flaps having a recess formed therein centrally of the free edge thereof, said flaps being disposed in use in a folded configuration wherein opposed ones of said flaps at each end of said one tubular member are substantially coplanar with each other having the free edges thereof secured together to form two back-to-back end panels closing the adjacent end of said one tubular member, the recesses of opposed ones of said flaps mating to form a loudspeaker opening in the corresponding end panel at said one end of said one tubular member when said flaps are disposed in the folded configuration thereof, the two back-to-back end panels at each end of said one tubular member being secured together with the loudspeaker openings thereof substantially congruent, the corrugations of each end panel of said one tubular member extending in directions substantially perpendicular to the corrugations of the other end panel at the same End of said one tubular member, said tubular members being disposed in use in an assembled configuration with said one tubular member snugly received within the other tubular member coaxially therewith and secured thereto for forming a closed housing, each one of said corresponding side panels of said one tubular member being disposed in back-to-back engagement with a corresponding side panel of said other tubular member when said tubular members are disposed in the assembled configuration thereof with the corrugations of the panels of each of said side walls extending in mutually perpendicular directions, and a loudspeaker mounted in said housing and disposed in axial alignment with said opening for transmitting therethrough to the exterior of said housing sound waves generated at the front surface of the diaphragm thereof and for transmitting into said housing sound waves generated at the rear surface of the diaphragm thereof, whereby the perpendicular corrugations of the back-to-back end panels and side panels of said housing facilitating the suppression by said panels of undesirable sound waves emitted from said loudspeaker enclosure.

Claim 12

A sound reproduction system comprising two generally tubular members of corrugated board, each of said tubular members being substantially square in transverse cross section and including four side panels disposed substantially parallel to the longitudinal axis of said tubular members, the corrugations of each of said panels of one of said tubular members extending in directions substantially parallel to the longitudinal axis thereof, the corrugations of each of said panels of the other of said tubular members extending in directions substantially perpendicular to the longitudinal axis thereof, each of the panels of said one tubular member having two generally rectangular flaps respectively connected thereto at the opposite ends thereof, each of said flaps having a recess formed therein centrally of the free edge thereof, said flaps being disposed in use in a folded configuration wherein opposed ones of said flaps at each end of said one tubular member are substantially coplanar with each other having the free edges thereof secured together to form two back-to-back end panels closing the adjacent end of said one tubular member, the recesses of opposed ones of said flaps mating to form a loudspeaker opening in the corresponding end panel at said one end of said one tubular member when said flaps are disposed in the folded configuration thereof, the two back-to-back end panels at each end of said one tubular member being secured together with the loudspeaker openings thereof substantially congruent, the corrugations of each end panel of said one tubular member extending in directions substantially perpendicular to the corrugations of the other end panel at the same End of said one tubular member, said tubular members being disposed in use in an assembled configuration with said one tubular member snugly received within the other tubular member coaxially therewith and secured thereto for forming a closed housing, each one of said corresponding side panels of said one tubular member being disposed in back-to-back engagement with a corresponding side panel of said other tubular member when said tubular members are disposed in the assembled configuration thereof with the corrugations of the panels of each of said side walls extending in mutually perpendicular directions, and a loudspeaker mounted in said housing and disposed in axial alignment with said opening for transmitting therethrough to the exterior of said housing sound waves generated at the front surface of the diaphragm thereof and for transmitting into said housing sound waves generated at the rear surface of the diaphragm thereof, whereby the perpendicular corrugations of the back-to-back end panels and side panels of said housing facilitating the suppression by said panels of undesirable sound waves emitted from said loudspeaker enclosure.

Claim 13

The sound reproduction system set forth in claim 9, wherein each of said tubular members is formed of a single continuous folded sheet of corrugated board with opposite side edges thereof joined together to form a longitudinally extending seam, said seam being disposed centrally of one of said side panels of said tubular member thereby to insure the integrity of the junctures between adjacent one of said side panels for providing a housing of increased structural strength.

Claim 14

A loudspeaker enclosure comprising a closed box-like member formed of a first continuous sheet of folded corrugated material, said box-like member being substantially tubular in transverse cross section and including side panels and two end panels, each of said panels including a single layer of corrugations extending in a predetermined direction, each of said end panels including at least two layers of corrugations with the corrugations of each layer extending in directions crossed with respect to the directions of the corrugations of adjacent layers of said end panel, a tubular member formed of a second continuous sheet of corrugated material, said tubular member being substantially tubular in transverse cross section and including a number of side panels equal to the side panels in said box-like member, said tubular member being disposed in use in surrounding relationship with said box-like member and secured thereto with the side panels of said tubular member respectively disposed in back-to-back engagement with the side panels of said box-like member, the corrugations of each of said side panels of said tubular member extending in directions crossed with respect to the directions of the corrugations of the adjacent side panel of said box-like member, and one of said end panels having an opening therein to facilitate the emission of sound waves therefrom whereby the crossed corrugations of said end panels and said back-to-back side panels cooperate to facilitate the suppression of undesirable sound waves emitted from said loudspeaker enclosure.

Claim 15

A loudspeaker enclosure comprising a closed box-like member formed of a first continuous sheet of folded corrugated material, said box-like member being substantially tubular in transverse cross section and including side panels and two end panels, each of said panels including a single layer of corrugations extending in a predetermined direction, each of said end panels including at least two layers of corrugations with the corrugations of each layer extending in directions crossed with respect to the directions of the corrugations of adjacent layers of said end panel, a tubular member formed of a second continuous sheet of corrugated material, said tubular member being substantially tubular in transverse cross section and including a number of side panels equal to the side panels in said box-like member, said tubular member being disposed in use in surrounding relationship with said box-like member and secured thereto with the side panels of said tubular member respectively disposed in back-to-back engagement with the side panels of said box-like member, the corrugations of each of said side panels of said tubular member extending in directions crossed with respect to the directions of the corrugations of the adjacent side panel of said box-like member, and one of said end panels having an opening therein to facilitate the emission of sound waves therefrom whereby the crossed corrugations of said end panels and said back-to-back side panels cooperate to facilitate the suppression of undesirable sound waves emitted from said loudspeaker enclosure.

Claim 16

A loudspeaker enclosure comprising two generally tubular members of corrugated board, each of said tubular members being substantially tubular in transverse cross section and including side panels disposed substantially parallel to the longitudinal axis of said tubular members, the corrugations of each of said panels of one of said tubular members extending in directions substantially parallel to the longitudinal axis thereof, the corrugations of each of said panels of one of said tubular members being crossed with respect to the corrugations of the associated panel of the other of said tubular members, each of the panels of said one tubular members having two flaps respectively connected thereto at the opposite ends thereof, each of said flaps at one end of said one tubular member having a recess formed therein centrallY of the free edge thereof, said flaps being disposed in use in a folded configuration wherein said flaps at each end of said one tubular member are secured together to form two back-to-back end panels closing the adjacent end of said one tubular member, the recesses of said flaps mating to form a loudspeaker opening in the corresponding end panel at said one end of said one tubular member when said flaps are disposed in the folded configuration thereof, the corrugations of each end panel of said one tubular member extending in directions crossed with respect to the corrugations of the other end panel at the same end of said one tubular member, said tubular members being disposed in use in an assembled configuration with said one tubular member snugly received within the other tubular member coaxially therewith and secured thereto for forming a closed housing, each one of said side panels of said one tubular member being disposed in back-to-back engagement with a corresponding side panel of said other tubular member when said tubulr members are disposed in the assembled configuration thereof with the corrugations of the panels of each of said side walls extending in mutually crossed directions, whereby the corrugations of the back-to-back end panels and side panels of said housing facilitating the suppression by said panels of undesirable sound waves emitted from said loudspeaker enclosure.

Claim 17

A loudspeaker enclosure comprising two generally tubular members of corrugated board, each of said tubular members being substantially tubular in transverse cross section and including side panels disposed substantially parallel to the longitudinal axis of said tubular members, the corrugations of each of said panels of one of said tubular members extending in directions substantially parallel to the longitudinal axis thereof, the corrugations of each of said panels of one of said tubular members being crossed with respect to the corrugations of the associated panel of the other of said tubular members, each of the panels of said one tubular members having two flaps respectively connected thereto at the opposite ends thereof, each of said flaps at one end of said one tubular member having a recess formed therein centrallY of the free edge thereof, said flaps being disposed in use in a folded configuration wherein said flaps at each end of said one tubular member are secured together to form two back-to-back end panels closing the adjacent end of said one tubular member, the recesses of said flaps mating to form a loudspeaker opening in the corresponding end panel at said one end of said one tubular member when said flaps are disposed in the folded configuration thereof, the corrugations of each end panel of said one tubular member extending in directions crossed with respect to the corrugations of the other end panel at the same end of said one tubular member, said tubular members being disposed in use in an assembled configuration with said one tubular member snugly received within the other tubular member coaxially therewith and secured thereto for forming a closed housing, each one of said side panels of said one tubular member being disposed in back-to-back engagement with a corresponding side panel of said other tubular member when said tubulr members are disposed in the assembled configuration thereof with the corrugations of the panels of each of said side walls extending in mutually crossed directions, whereby the corrugations of the back-to-back end panels and side panels of said housing facilitating the suppression by said panels of undesirable sound waves emitted from said loudspeaker enclosure.

Claim 18

A sound reproduction system comprising two generally tubular members of corrugated board, each of said tubular members including side panels disposed substantially parallel to the longitudional axes of said tubular members, said tubular members being disposed in use in an assembled configuration with one of said tubular members snugly received within the other of said tubular members coaxially therewith, the corrugations of each of said side panels in said one tubular member extending in directions crossed with respect to the directions of the corrugations of the adjacent side panel of said other tubular member, at least certain of the side panels of said one tubular member having flaps respectively connected thereto in the opposite ends thereof, said flaps being disposed in use in a folded configuration with said flaps overlying to provide two layers of corrugation at each end of said one tubular member with the corrugations in one layer being crossed with respect to the corrugations in the other layer to form end panels closing the adjacent end of said one tubular member, the flaps forming the end panel at one end of said one tubular member being shaped to provide a loudspeaker opening in the folded configuraiton thereof, and a loudspeaker mounted in said housing and disposed in alignment with said opening for transmitting therethrough to the exterior of said housing sound waves generated thereby.

Claim 19

A sound reproduction system comprising two generally tubular members of corrugated board, each of said tubular members including side panels disposed substantially parallel to the longitudional axes of said tubular members, said tubular members being disposed in use in an assembled configuration with one of said tubular members snugly received within the other of said tubular members coaxially therewith, the corrugations of each of said side panels in said one tubular member extending in directions crossed with respect to the directions of the corrugations of the adjacent side panel of said other tubular member, at least certain of the side panels of said one tubular member having flaps respectively connected thereto in the opposite ends thereof, said flaps being disposed in use in a folded configuration with said flaps overlying to provide two layers of corrugation at each end of said one tubular member with the corrugations in one layer being crossed with respect to the corrugations in the other layer to form end panels closing the adjacent end of said one tubular member, the flaps forming the end panel at one end of said one tubular member being shaped to provide a loudspeaker opening in the folded configuraiton thereof, and a loudspeaker mounted in said housing and disposed in alignment with said opening for transmitting therethrough to the exterior of said housing sound waves generated thereby.