Speaker system

• US 4,146,111 A
• Filed: 01/12/1977
• Issued: 03/27/1979
• Est. Priority Date: 01/19/1976
• Status: Expired due to Term

• Current Assignee: TRIO Kabushiki Kaisha
• Original Assignee: TRIO Kabushiki Kaisha
• Inventors: Ogawa, Hideki, Mae, Yutaka, Iwakura, Shiro, Koga, Sigeyuki, Kanda, Hideaki
• Primary Examiner(s): Griffin, Donald A.
• Assistant Examiner(s): Fuller, Benjamin R.
• Application Number:
  US05/758,759
• Time in Patent Office: 804 Days
• Field of Search: 181/143, 181/144, 181/145-156, 181/160, 181/163, 181/171
• US Class Current: 181/154
• CPC Class Codes: H04R 1/2834 for loudspeaker transducers
• CPC Class Codes: H04R 1/2888 for loudspeaker transducers

Abstract

A speaker system comprising a speaker cabinet having a forward baffle plate, two side plates and a rear plate, a passive diaphragm, a speaker mounted in the baffle plate of the speaker cabinet, an opening disposed in the baffle plate next to the speaker as an outlet for the sound radiated from the passive diaphragm, a dividing plate slantedly disposed between the baffle plate and the rear plate of the speaker cabinet, the dividing plate dividing the speaker cabinet into a first part including the speaker and a second part including the opening, the passive diaphragm being mounted in the dividing plate.

Claims

1. A speaker system comprising

a speaker cabinet having a forward baffle plate, two side plates, a rear plate, a top plate and a bottom portion;

a passive diaphragm;

a speaker mounted in said baffle plate of said speaker cabinet;

an opening disposed in said baffle plate next to said speaker as an outlet for the sound radiated from said passive diaphragm;

a dividing plate slantedly disposed between said baffle plate and said rear plate of said speaker cabinet, said dividing plate dividing said speaker cabinet into a first part including said speaker and said top plate and a second part including said opening and said bottom portion, said passive diaphragm being mounted in the dividing plate.

2. A speaker system as in claim 1 where said dividing plate is so slanted in said speaker cabinet that the position thereof at said baffle plate is higher than that at said rear plate.

3. A speaker system as in claim 1 where said dividing plate is so slanted in said speaker cabinet that the position thereof at said baffle plate is lower than that at said rear plate.

4. A speaker system as in claim 1 including openings in said side plates as further outlets for the sound radiated from said passive diaphragm, said openings being disposed in said second part of the speaker cabinet.

5. A speaker system as in claim 4 including an opening in said rear plate as a further outlet for the sound radiated from said passive diaphragm, said latter opening being disposed in said second part of the speaker cabinet.

6. A speaker system as in claim 1 where said bottom portion is a plate.