JPS57147396A - Acoustic filter - Google Patents
Acoustic filterInfo
- Publication number
- JPS57147396A JPS57147396A JP3285181A JP3285181A JPS57147396A JP S57147396 A JPS57147396 A JP S57147396A JP 3285181 A JP3285181 A JP 3285181A JP 3285181 A JP3285181 A JP 3285181A JP S57147396 A JPS57147396 A JP S57147396A
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- vibrating surface
- cone
- prescribed
- plane
- 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.)
- Pending
Links
- 125000006850 spacer group Chemical group 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
PURPOSE:To eliminate the noise components, etc. contained in a synthetic sound without addition of parts, by preparing a plane baffle having a prescribed thickness to attach the vibrating surface of a speaker on it, and at the same time providing an aperture part of a prescribed shape and size. CONSTITUTION:A plane valve having a prescribed thickness is prepared for the attachment of the vibrating surface of a speaker, and an aperture part which is concentric with the center of the vibrating surface of the speaker is formed at the front part of the speaker of the plane baffle and within the fringe of the vibrating surface of the speaker. At the same time, a space part of a prescribed capacity is provided between the inner surface of the plane valve and the vibrating surface of the speaker. For instance, a cone 2, i.e., the vibrating surface of a speaker 1 is fixed to a plane baffle 3 having a prescribed thickness via a spacer 5, and a hole 4 which is substantially concentrical with the fringe part of the cone 2 and smaller than the diameter of the fringe part of the cone 2 is provided. At the same time, a space gap V of a prescribed capacity is provided between the inner surface of the baffle 3 and the cone 2. Thus the noise components caused by a synthetic sound are eliminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3285181A JPS57147396A (en) | 1981-03-06 | 1981-03-06 | Acoustic filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3285181A JPS57147396A (en) | 1981-03-06 | 1981-03-06 | Acoustic filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57147396A true JPS57147396A (en) | 1982-09-11 |
Family
ID=12370333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3285181A Pending JPS57147396A (en) | 1981-03-06 | 1981-03-06 | Acoustic filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57147396A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200126706A (en) * | 2019-04-30 | 2020-11-09 | 피에스케이 주식회사 | A baffle and an apparatus for treating a substrate with the baffle |
-
1981
- 1981-03-06 JP JP3285181A patent/JPS57147396A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200126706A (en) * | 2019-04-30 | 2020-11-09 | 피에스케이 주식회사 | A baffle and an apparatus for treating a substrate with the baffle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5388718A (en) | Sealed head phone | |
| US4213515A (en) | Speaker system | |
| GB2185656A (en) | A pressure gradient receiver | |
| GB1264453A (en) | ||
| US3952834A (en) | Embedded type speaker with over lying grill | |
| JPS57147396A (en) | Acoustic filter | |
| JPS5510217A (en) | Horn type speaker | |
| JPS553232A (en) | Speaker unit | |
| US2866515A (en) | Cone for loud-speaker assembly | |
| JPS55154899A (en) | Compound loudspeaker | |
| JPS5479621A (en) | Multi-drive speaker | |
| JPS5439626A (en) | Cone type honeycomb form diaphragm | |
| JPS6161597B2 (en) | ||
| JPS53133018A (en) | Coaxial type speaker | |
| GB836959A (en) | Small-size condenser microphone | |
| JPS5654194A (en) | Speaker device | |
| JPS56795A (en) | Variable volume speaker box | |
| JPS5392120A (en) | Method of mounting directional microphone | |
| JPS5783995A (en) | Speaker | |
| JPS6334392Y2 (en) | ||
| JPS56125189A (en) | Speaker system | |
| FR2372566A1 (en) | Twin-speaker loudspeaker cabinet - is constructed with woofer mounted in front wall and tweeter mounted in secondary front wall | |
| JPS55147900A (en) | Ultra-thin speaker | |
| JPS5768989A (en) | Microphone with echo device | |
| JPH0384454U (en) |