1. A loudspeaker, comprising:
an acoustical enclosure that has an internal wall that divides the enclosure into first and second subchambers, the internal wall being provided with an opening;
an electro-acoustical transducer having a vibratable speaker cone, the electro-acoustical transducer being mounted in the opening provided in the internal wall of the acoustical enclosure;
an internal vent provided in the internal wall of the acoustical enclosure for pneumatically coupling the first and second subchambers;
a first external vent provided in a wall of the first subchamber for pneumatically coupling the first subchamber to an exterior environment outside of the acoustical enclosure;
a second external vent provided in a wall of the second subchamber for pneumatically coupling the second subchamber to the exterior environment;
wherein a ratio of an acoustic mass of the internal vent to an acoustic mass of the second external vent is in a range of approximately 31 to 71.
2. The loudspeaker as set forth in claim 1, wherein the loudspeaker is a broadband loudspeaker.
3. The loudspeaker as set forth in claim 1, wherein a ratio of a first volume of the first subchamber to a second volume of the second subchamber is in a range of approximately 0.3 to 2.5.
4. The loudspeaker as set forth in claim 1, wherein the speaker cone has a front surface in communication with the first subchamber, and a rear surface in communication with the second subchamber.
5. The loudspeaker as set forth in claim 3, wherein the speaker cone has a front surface in communication with the first subchamber, and a rear surface in communication with the second subchamber.
6. A loudspeaker, comprising:
an acoustical enclosure that has an internal wall that divides the enclosure into first and second subchambers, the internal wall being provided with an opening;
an electro-acoustical transducer having a vibratable speaker cone, the electro-acoustical transducer being mounted in the opening provided in the internal wall of the acoustical enclosure;
an internal vent provided in the internal wall of the acoustical enclosure for pneumatically coupling the first and second subchambers;
a first external vent provided in a wall of the first subchamber for pneumatically coupling the first subchamber to an exterior environment outside of the acoustical enclosure;
a second external vent provided in a wall of the second subchamber for pneumatically coupling the second subchamber to the exterior environment;
wherein a ratio of an acoustic mass of the first external vent to an acoustic mass of the second external vent is in a range of approximately 151 to 301.
7. The loudspeaker as set forth in claim 6, wherein the loudspeaker is a broadband loudspeaker.
8. The loudspeaker as set forth in claim 6, wherein a ratio of a first volume of the first subchamber to a second volume of the second subchamber is in a range of approximately 0.3 to 2.5.
9. The loudspeaker as set forth in claim 6, wherein the speaker cone has a front surface in communication with the first subchamber, and a rear surface in communication with the second subchamber.
10. The loudspeaker as set forth in claim 8, wherein the speaker cone has a front surface in communication with the first subchamber, and a rear surface in communication with the second subchamber.
11. A loudspeaker, comprising:
an acoustical enclosure that has an internal wall that divides the enclosure into first and second subchambers, the internal wall being provided with an opening;
an electro-acoustical transducer having a vibratable speaker cone, the electro-acoustical transducer being mounted in the opening provided in the internal wall of the acoustical enclosure;
a first means provided in the internal wall of the acoustical enclosure for acoustically coupling the first and second subchambers;
a second means provided in a wall of the first subchamber for acoustically coupling the first subchamber to an exterior environment outside of the acoustical enclosure;
a third means provided in a wall of the second subchamber for acoustically coupling the second subchamber to the exterior environment;
wherein a ratio of an acoustic mass of the first means to an acoustic mass of the third means is in a range of approximately 31 to 71.
12. The loudspeaker as set forth in claim 11, wherein the first means, second means, and third means have respective first, second and third acoustic masses.
13. The loudspeaker as set forth in claim 11, wherein a ratio of a volume of the first subchamber to a volume of the second subchamber is in a range of approximately 0.3 to 2.5.
14. The loudspeaker as set forth in claim 11, wherein the speaker cone has a front surface in communication with the first subchamber, and a rear surface in communication with the second subchamber.
15. The loudspeaker as set forth in claim 13, wherein the speaker cone has a front surface in communication with the first subchamber, and a rear surface in communication with the second subchamber.
16. A loudspeaker, comprising:
an acoustical enclosure that has an internal wall that divides the enclosure into first and second subchambers, the internal wall being provided with an opening;
an electro-acoustical transducer having a vibratable speaker cone, the electro-acoustical transducer being mounted in the opening provided in the internal wall of the acoustical enclosure;
a first means provided in the internal wall of the acoustical enclosure for acoustically coupling the first and second subchambers;
a second means provided in a wall of the first subchamber for acoustically coupling the first subchamber to an exterior environment outside of the acoustical enclosure;
a third means provided in a wall of the second subchamber for acoustically coupling the second subchamber to the exterior environment;
wherein a ratio of an acoustic mass of the second means to an acoustic mass of the third means is in a range of approximately 151 to 301.
17. The loudspeaker as set forth in claim 16, wherein the first means, second means, and third means are respective first, second, and third acoustic masses.
18. The loudspeaker as set forth in claim 16, wherein a ratio of a volume of the first subchamber to a volume of the second subchamber is in a range of approximately 0.3 to 2.5.
19. The loudspeaker as set forth in claim 16, wherein the speaker cone has a front surface in communication with the first subchamber, and a rear surface in communication with the second subchamber.
20. The loudspeaker as set forth in claim 18, wherein the speaker cone has a front surface in communication with the first subchamber, and a rear surface in communication with the second subchamber.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An enhanced celebratory chair comprising:
a seat portion, which comprises a non-slip surface thereon, functioning to prevent an occupant from sliding,
a back portion, which comprises a back portion front side and back portion rear side,
a plurality of arms, each arm comprising a hand grip extending generally vertically from a distal end thereof, functioning to allow the occupant to grip the same for safety,
a plurality of legs, each leg comprising a shoulder supports, extending outwardly therefrom, from a location approximately half a vertical height of each legs, and
a seat belt assembly, functioning to prevent the occupant from falling from the chair when the chair is hoisted upwardly for the purposes of celebration.
2. The enhanced celebratory chair as described in claim 1, wherein the chair comprises four legs to simulate previously existing chairs used by catering halls.
3. The enhanced celebratory chair as described in claim 1, wherein the non-slip surface is applied to a previously determined area of the seat portion only.
4. The enhanced celebratory chair as described in claim 1, wherein the non-slip surface is applied to the entire surface of the seat portion.
5. The enhanced celebratory chair as described in claim 1, wherein the back portion front side comprises indicia thereon.
6. The enhanced celebratory chair as described in claim 5, wherein the indicia comprises an inscription relating to an event being celebrated.
7. The enhanced celebratory chair as described in claim 6, wherein the inscription is in the language of Hebrew.
8. The enhanced celebratory chair as described in claim 5, wherein the indicia is located upon the surface of the back portion front side itself.
9. The enhanced celebratory chair as described in claim 5, wherein the indicia is located upon a separate material that is draped over the chair.
10. The enhanced celebratory chair as described in claim 9, wherein the separate material is selected form the group consisting of silk, satin, cotton, wool, vinyl, polyester, and denim.
11. The enhanced celebratory chair as described in claim 5, wherein the indicia is previously selected to relate to an occupant selected form the group consisting of a bride, groom, bar mitzvah honoree, and bat mitzvah honoree.
12. The enhanced celebratory chair as described in claim 5, wherein the indicia comprised generic elements, functioning to allow the chair to relate to all celebratory events.
13. The enhanced celebratory chair as described in claim 1, wherein the hand grips comprise multiple grooves thereon, functioning as finger grips for increased occupant safety.
14. The enhanced celebratory chair as described in claim 1, wherein the shoulder support members are slightly curved in a convex manner, functioning to correspond to a contour of shoulders of persons hoisting the chair.
15. An enhanced celebratory chair comprising:
a seat portion which comprises a non-slip surface thereon,
a back portion which comprises a back portion front side and back portion rear side,
a plurality of occupant hand grips, which extend from sides of the seat portion, the occupant hand grips relatively small in size, and generally rounded in shape, functioning to allow an occupant to grasp the same at a location adjacent an occupant’s upper legs,
a plurality of legs, each leg extending downwardly from the seat portion, each leg comprising a carrier hand grip at a bottom portion thereof,
a plurality of shoulder rests extending outwardly from left and right sides of the seat portion,
a seat belt assembly, functioning to prevent the occupant from falling from the chair when the chair is hoisted upwardly for the purposes of celebration.
16. The enhanced celebratory chair as described in claim 15, wherein four shoulder rests are utilized, with two shoulder rests extending from each side of the seat portion, the shoulder rests generally flat and rectangular in nature, functioning to allow persons lifting the chair to rest the chair upon their shoulders in a safe and stable manner.
17. The enhanced celebratory chair as described in claim 15, wherein the shoulder rests fold out from underneath the chair.
18. The enhanced celebratory chair as described in claim 15, wherein the shoulder rests comprise padding thereon for comfort of persons lifting the chair.
19. The enhanced celebratory chair as described in claim 15, wherein the legs comprise hand grips located at a bottom portion thereon, functioning to allow persons lifting the chair to grip the hand grips for increased stability.
20. The enhanced celebratory chair as described in claim 15, wherein each leg further comprises a generally rounded grip member at a bottom portion thereof, each grip member constructed of a durable material which functions to support significant weight.