US4991219A — Sound simulation chamber

Claim 1

Independent Claim 262 words

A sound simulation chamber comprising an enclosure, said enclosure having a first side, a second side, a back wall in the shape of a part of a cylinder, a domed top, a lower edge and an open front, a plurality of speakers mounted inside said enclosure, said speakers being wide band frequency speakers, individual control means for at least some of said speakers whereby an operator can reproduce auditory sound likely to occur in active real-life hearing situations, a first retractable front speaker supported on said first side of said enclosure adjacent said open front, a second retractable front speaker supported on said second side of said enclosure adjacent said open front, retractable means supporting said first retractable front speaker and said second retractable front speaker, a first side speaker supported on said first side of said enclosure about three fourths distance from said lower edge to said top, a second side speaker supported on said second side about three fourths distance from said lower edge to said top, a first intermediate back speaker and said second intermediate back speaker being attached to said back wall spaced from said top and from said first side and said second side, a first back top speaker attached to said back wall of said enclosure adjacent said top adjacent said front, a second back top speaker attached to said back wall adjacent said top and adjacent said open front, a shelf means supported on said top, a slide projector supported on said top, a control panel supported on said first side adjacent said lower edge.

Claim 2

Dependent Claim 262 words

A sound simulation chamber comprising an enclosure, said enclosure having a first side, a second side, a back wall in the shape of a part of a cylinder, a domed top, a lower edge and an open front, a plurality of speakers mounted inside said enclosure, said speakers being wide band frequency speakers, individual control means for at least some of said speakers whereby an operator can reproduce auditory sound likely to occur in active real-life hearing situations, a first retractable front speaker supported on said first side of said enclosure adjacent said open front, a second retractable front speaker supported on said second side of said enclosure adjacent said open front, retractable means supporting said first retractable front speaker and said second retractable front speaker, a first side speaker supported on said first side of said enclosure about three fourths distance from said lower edge to said top, a second side speaker supported on said second side about three fourths distance from said lower edge to said top, a first intermediate back speaker and said second intermediate back speaker being attached to said back wall spaced from said top and from said first side and said second side, a first back top speaker attached to said back wall of said enclosure adjacent said top adjacent said front, a second back top speaker attached to said back wall adjacent said top and adjacent said open front, a shelf means supported on said top, a slide projector supported on said top, a control panel supported on said first side adjacent said lower edge.

Claim 3

Dependent Claim 20 words

The chamber recited in claim 1 wherein caster wheels [26] are attached to said chamber [11] for supporting said chamber.

Claim 4

Dependent Claim 61 words

The chamber recited in claim 1 wherein at least one rail [70] is attached to said chamber and extends parallel and spaced from said wall [12], and at least one of said speakers [55] is slidably supported on said rail whereby said speaker can be adjusted along said rail, and means to lock said speaker in position on said rail [70].

Claim 5

Dependent Claim 43 words

The chamber recited in claim 1 wherein said speakers are each mounted on a bracket [50], said brackets each comprise a ball [56] fixed to said chamber and a socket member [58] receiving said ball and said bracket fixed to said speakers [55].

Claim 6

Dependent Claim 37 words

The chamber recited in claim 1 wherein each said speaker is movable to incline to about 60 degrees up, 60 degrees down, 60 degrees to the left or 60 degrees to the right from a central position.

Claim 7

Dependent Claim 39 words

The chamber recited in claim 1 wherein individual switches [62] are provided, each said switch being connected to one of said speakers for connecting a said speaker to a source of electrical energy for providing sound from said speaker.

Claim 8

Dependent Claim 25 words

The chamber recited in claim 6 wherein said chamber has sides and a back, said speakers being supported on said sides and on said back.

Claim 9

Dependent Claim 30 words

The chamber recited in claim 7 wherein some of said speakers are adjustably supported on said sides by means of brackets whereby said speakers may be directed in various directions.

Claim 10

Dependent Claim 15 words

The chamber recited in claim 8 wherein said brackets comprise a ball and socket connection.

Claim 11

Dependent Claim 22 words

The chamber recited in claim 9 wherein said ball is supported on said sides and said socket is supported on said speaker.

Claim 12

Dependent Claim 119 words

A sound simulation chamber comprising an enclosure, said enclosure having a first side, a second side, a back wall in the shape of a part of a cylinder, a domed top, a lower edge and an open front, a plurality of speakers mounted inside said enclosure, said speakers being wide band frequency speakers, individual control means for at least some of said speakers whereby an operator can reproduce auditory sound likely to occur in active real-life hearing situations, a plurality of casters are attached to said chamber adjacent said lower edge whereby said chamber may be moved to a patient sitting in an ordinary chair, whereby said chamber can be moved to encircle a patient seated in said chair.

Claim 13

Dependent Claim 119 words

A sound simulation chamber comprising an enclosure, said enclosure having a first side, a second side, a back wall in the shape of a part of a cylinder, a domed top, a lower edge and an open front, a plurality of speakers mounted inside said enclosure, said speakers being wide band frequency speakers, individual control means for at least some of said speakers whereby an operator can reproduce auditory sound likely to occur in active real-life hearing situations, a plurality of casters are attached to said chamber adjacent said lower edge whereby said chamber may be moved to a patient sitting in an ordinary chair, whereby said chamber can be moved to encircle a patient seated in said chair.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1994-02-04	1994-08-06	1995-02-05	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1998-02-04	1998-08-06	1999-02-05	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2002-02-04	2002-08-06	2003-02-05	$7700.00	Window Closed / Lapsed

Sound simulation chamber

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