Personal audio visual system
First Claim
1. An improved audio visual system having,a housing having a front face that is substantially planar,a LCD video display with a substantially planar display surface mounted in the front face, the video display being bounded by side edges and top and bottom edges,a first speaker assembly and a second speaker assembly, each of the speaker assemblies being mounted in the housing for generating sound, each of the speaker assemblies having,a driver having a driver axis that is substantially perpendicular to the front face of the housing,a membrane symmetrically disposed about the driver axis, the membrane terminating in a distal end attached to the driver, and a proximal end, the proximal end having a greater cross section than the distal end, the membrane having a nominal diameter at the proximal end, anda rim attached to the proximal end of the membrane, anda first speaker cavity for the first speaker assembly and a second speaker cavity for the second speaker assembly,the improved audio visual system being designed for personal use without disturbing those around the user, the improvement comprising:
- each of the speaker cavities intersecting the front face of the housing and having a cavity bottom positioned with respect to the front face so as to define a cavity depth which is sufficient in size to accommodate one of the speaker assemblies while providing a free volume therebehind adequate to assure a responsive speaker assembly and a separation between said cavity bottom and the driver, wherein said cavity depth is less than about twice the nominal diameter of the membrane at the proximal end,the rim of each of the speaker assemblies being positioned in the cavity so as to establish a setback distance from the front face of the housing, wherein said setback distance is 50% to 100% of the nominal diameter at the proximal end; and
further wherein and each of the speaker cavities terminates at the substantially planar front face;
still further wherein each of the cavities is sized at least as large as the cross section of the membrane throughout the portion of the cavity extending between the rim of the speaker assembly and the front face of the housing; and
further wherein the first speaker cavity has a first bevel that intersects the front face of the housing and is configured such that it extends the first speaker cavity toward the second speaker cavity as the first speaker cavity advances to and intersects the front face of the housing;
and further wherein the second speaker cavity has a second bevel that intersects the front face of the housing and is configured such that it extends the second speaker cavity toward the first speaker cavity as the second speaker cavity advances to and intersects the front face of the housing.
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Accused Products
Abstract
An audio visual system has a housing with a video display and one or more speakers. The speakers are housed in cavities which limit dispersion of the sound generated, and the video display is preferably a directional LCD display. The housing is preferably mounted to a base by an adjustable arm having passages to accommodate enclosed wiring. One adjustable arm has segments joined by dual-pivot joints, while another has segments joined by single pivot joints. In both types of arms, the frictional resistance of the joints can be adjusted. Preferably, the elements of the arm are strung onto the wiring prior to assembly. The housing can also contain a light source to provide a reading light.
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Citations
20 Claims
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1. An improved audio visual system having,
a housing having a front face that is substantially planar, a LCD video display with a substantially planar display surface mounted in the front face, the video display being bounded by side edges and top and bottom edges, a first speaker assembly and a second speaker assembly, each of the speaker assemblies being mounted in the housing for generating sound, each of the speaker assemblies having, a driver having a driver axis that is substantially perpendicular to the front face of the housing, a membrane symmetrically disposed about the driver axis, the membrane terminating in a distal end attached to the driver, and a proximal end, the proximal end having a greater cross section than the distal end, the membrane having a nominal diameter at the proximal end, and a rim attached to the proximal end of the membrane, and a first speaker cavity for the first speaker assembly and a second speaker cavity for the second speaker assembly, the improved audio visual system being designed for personal use without disturbing those around the user, the improvement comprising: -
each of the speaker cavities intersecting the front face of the housing and having a cavity bottom positioned with respect to the front face so as to define a cavity depth which is sufficient in size to accommodate one of the speaker assemblies while providing a free volume therebehind adequate to assure a responsive speaker assembly and a separation between said cavity bottom and the driver, wherein said cavity depth is less than about twice the nominal diameter of the membrane at the proximal end, the rim of each of the speaker assemblies being positioned in the cavity so as to establish a setback distance from the front face of the housing, wherein said setback distance is 50% to 100% of the nominal diameter at the proximal end; and further wherein and each of the speaker cavities terminates at the substantially planar front face; still further wherein each of the cavities is sized at least as large as the cross section of the membrane throughout the portion of the cavity extending between the rim of the speaker assembly and the front face of the housing; and further wherein the first speaker cavity has a first bevel that intersects the front face of the housing and is configured such that it extends the first speaker cavity toward the second speaker cavity as the first speaker cavity advances to and intersects the front face of the housing; and further wherein the second speaker cavity has a second bevel that intersects the front face of the housing and is configured such that it extends the second speaker cavity toward the first speaker cavity as the second speaker cavity advances to and intersects the front face of the housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
a LOW level of illumination where less than all of said LED lamps are illuminated; a HIGH level of illumination where all of said LED lamps are illuminated.
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12. An audio visual system comprising:
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a housing having a front face that is substantially planar; a LCD video display with a substantially planar display surface mounted in said front face, said video display being bounded by side edges and top and bottom edges, said LCD video display being a directional display that can only be viewed by a user when the line of vision of the user is no more than about 25°
from normal to said substantially planar display surface;a first speaker assembly and a second speaker assembly, each of said speaker assemblies for generating sound being mounted in said housing, each of said speaker assemblies having, a driver having a driver axis that is substantially perpendicular to said front face of said housing, a membrane symmetrically disposed about said driver axis, said membrane terminating in a distal end attached to said driver, and a proximal end, said proximal end having a greater cross section than said distal end, said membrane having a nominal diameter at said proximal end, and a rim attached to said proximal end of said membrane; and further wherein, said first speaker assembly is provided with a first speaker cavity and the second speaker assembly is provided with a second speaker cavity, each of said speaker cavities terminating at and intersecting said front face of said housing and having a cavity bottom positioned with respect to said front face so as to define a cavity depth which is sufficient in size to accommodate said speaker assembly while providing a free volume therebehind adequate to assure a responsive speaker assembly and a separation between said cavity bottom and said driver, said rim of said speaker assembly being positioned in said cavity so as to establish a setback distance from said front face of said housing wherein said setback is 50% to 100% of the nominal diameter at said proximal end, said first speaker cavity having a first bevel that is inclined with respect to said driver axis of said first speaker assembly and which intersects said front face of said housing, said first speaker cavity being configured such that it extends said first speaker cavity toward said second speaker cavity as said first speaker cavity advances to and intersects said front face of said housing, and said second speaker cavity having a second bevel that is inclined with respect to said driver axis of said second speaker assembly and which intersects said front face of said housing, said second speaker cavity being configured such that it extends said second speaker cavity toward said first speaker cavity as said second speaker cavity advances to and intersects said front face of said housing. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification