Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Mounting or support feature of housed loudspeaker
Reexamination Certificate
2000-07-12
2001-08-28
Le, Huyen (Department: 2743)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Mounting or support feature of housed loudspeaker
C381S387000, C381S390000, C381S182000
Reexamination Certificate
active
06282297
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to an angle adjustment structure for speaker system, which supports a woofer and a tweeter in a squawker, enabling the woofer and the tweeter to be simultaneously adjusted to any of a series of angular positions relative to the squawker.
A full-range speaker system is generally comprised of a woofer, a squawker, and a tweeter. The woofer, the squawker and the tweeter are normally arranged in parallel. There is known a speaker system in which the angular position of the tweeter and the woofer can be adjusted to the woofer. According to this design, the tweeter and the woofer are mounted on a rack, which is in turn coupled to a part inside the squawker by a ball socket joint. The angle adjustment structure of this design has numerous drawbacks as outlined hereinafter.
1. The cost of the angle adjustment structure of this design is high because its installation procedure is complicated and, the precision requirement for the ball socket joint is critical.
2. When returning the tweeter and the woofer to the zero-reading position, it is difficult to keep the tweeter and the woofer at the center of the squawker accurately.
3. The tweeter and the woofer may be forced into contact with the paper cone when adjusted to the lowest elevation, affecting the performance of the speaker system.
SUMMARY OF THE INVENTION
It is one object of the present invention to provide an angle adjustment structure for speaker system, which can be conveniently and positively adjusted to one of a series of angular positions. It is another object of the present invention to provide an angle adjustment structure for speaker system, which can be accurately and positively returned to the zero-reading center point position after each adjustment. It is still another object of the present invention to provide an angle adjustment structure for speaker system, which does not touch the paper cone of the squawker in which it is installed when adjusted to the lowest elevation. To achieve these and other objects, there is provided an angle adjustment structure comprised of a support and a rack. The support comprises a cylindrical base installed in a squawker at the center, a zigzag supporting arm raised from cylindrical base, a transverse receptacle formed integral with a middle part of the supporting arm, a compression spring mounted in the receptacle, a steel ball supported on the compression Spring and partially extended out of the receptacle, and a transverse axle holder formed integral with a top end of the supporting arm. The rack comprises two flat mounts horizontally disposed at two opposite lateral sides and adapted to hold a tweeter and a woofer, two parallel top flanges, two lugs respectively forwardly extended from the top flanges and respectively pivoted to two distal ends of the transverse axle holders of the support, a triangular bottom positioning plate vertically downwardly disposed at a bottom side thereof and suspended at one side of the supporting arm of the support and stopped against the steel ball, and a plurality of positioning holes respectively formed on the triangular bottom positioning plate at different elevations and alternatively forced into engagement with the steel ball.
REFERENCES:
patent: 4365114 (1982-12-01), Soma
patent: 4811406 (1989-03-01), Kawachi
Bacon & Thomas PLLC
Le Huyen
LandOfFree
Angle adjustment structure for speaker system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Angle adjustment structure for speaker system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Angle adjustment structure for speaker system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2456675