JPS641396A - Speaker system - Google Patents
Speaker systemInfo
- Publication number
- JPS641396A JPS641396A JP15701887A JP15701887A JPS641396A JP S641396 A JPS641396 A JP S641396A JP 15701887 A JP15701887 A JP 15701887A JP 15701887 A JP15701887 A JP 15701887A JP S641396 A JPS641396 A JP S641396A
- Authority
- JP
- Japan
- Prior art keywords
- port
- acoustic tube
- opening
- speaker unit
- speaker system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE: To enlarge a reproducing band by providing an acoustic tube at the back of a speaker unit, and arranging an empty room, a port or a passive radiator in the front so as to constitute the speaker system of a phase inversion type.
CONSTITUTION: A partition board 6 provided inside a cabinet 5 constitutes the acoustic tube by a path from the back of the speaker unit 8 to an opening 7. The front of the speaker unit 8 constitutes the speaker system of a bass-reflex type by the empty room 9 and the port 10, and the resonance frequency of the port 10 and the idle room 9 is set so that the wave length is matched with length of the acoustic tube. Since a high voltage level can be obtained for the wide band, and the opening of the port 10 is provided inside the opening 7 of the acoustic tube, a sound source becomes one viewing from a sound field space, and a sound pressure distribution can be set to uniform irrespective of the frequency.
COPYRIGHT: (C)1989,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15701887A JPH0748909B2 (en) | 1987-06-24 | 1987-06-24 | Speaker system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15701887A JPH0748909B2 (en) | 1987-06-24 | 1987-06-24 | Speaker system |
Publications (3)
Publication Number | Publication Date |
---|---|
JPS641396A true JPS641396A (en) | 1989-01-05 |
JPH011396A JPH011396A (en) | 1989-01-05 |
JPH0748909B2 JPH0748909B2 (en) | 1995-05-24 |
Family
ID=15640384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15701887A Expired - Fee Related JPH0748909B2 (en) | 1987-06-24 | 1987-06-24 | Speaker system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0748909B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5435428A (en) * | 1993-01-13 | 1995-07-25 | Fujitec Co., Ltd. | Escalator apparatus |
WO2024021169A1 (en) * | 2022-07-26 | 2024-02-01 | 瑞声光电科技(常州)有限公司 | Loudspeaker and rollable electronic device |
-
1987
- 1987-06-24 JP JP15701887A patent/JPH0748909B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5435428A (en) * | 1993-01-13 | 1995-07-25 | Fujitec Co., Ltd. | Escalator apparatus |
WO2024021169A1 (en) * | 2022-07-26 | 2024-02-01 | 瑞声光电科技(常州)有限公司 | Loudspeaker and rollable electronic device |
Also Published As
Publication number | Publication date |
---|---|
JPH0748909B2 (en) | 1995-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |