JPH0644230Y2 - Audio equipment - Google Patents
Audio equipmentInfo
- Publication number
- JPH0644230Y2 JPH0644230Y2 JP1987074020U JP7402087U JPH0644230Y2 JP H0644230 Y2 JPH0644230 Y2 JP H0644230Y2 JP 1987074020 U JP1987074020 U JP 1987074020U JP 7402087 U JP7402087 U JP 7402087U JP H0644230 Y2 JPH0644230 Y2 JP H0644230Y2
- Authority
- JP
- Japan
- Prior art keywords
- sound
- speaker
- opening
- escalation
- range
- 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.)
- Expired - Lifetime
Links
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Description
【考案の詳細な説明】 （イ）産業上の利用分野 本考案はラジオ付テープレコーダー等の音響機器に関す
る。[Detailed Description of the Invention] (a) Field of Industrial Application The present invention relates to audio equipment such as a tape recorder with a radio.
（ロ）従来の技術 一般的に音響機器に取付けられているスピーカは、キヤ
ビネツトの前面に形成されたスピーカ取付部の一つの放
音開口に対向して配置されている。(B) Conventional Technology Generally, a speaker attached to an audio device is arranged so as to face one sound emission opening of a speaker attachment portion formed on the front surface of a cabinet.
このため、音響特性のよい再生音を発生させるために中
高音域と低音域の２ウエイ化を計るには、中高音域用ス
ピーカと低音域用スピーカとを設けていた。例えば、実
公昭51−1821号公報（H04R1/26）参照。For this reason, in order to generate a reproduced sound with good acoustic characteristics, the mid-high range speaker and the low-range speaker are provided in order to measure two ways of the mid-high range and the low range. For example, see Japanese Utility Model Publication No. 51-1821 (H04R1 / 26).
又、単一のスピーカの放音開口に対して特殊形状のエス
カツシヨンを設け、このエスカツシヨンによってスピー
カ放射音の通過を改善するようにしたスピーカ装置が、
実開昭61−26391号公報（H04R1/02）に記載され知られ
ている。In addition, a speaker device having a specially shaped escalation for the sound emission opening of a single speaker and improving the passage of the radiated sound of the speaker by this escalation,
It is described and known in Japanese Utility Model Publication No. 61-26391 (H04R1 / 02).
（ハ）考案が解決しようとする問題点 上記のように２ウエイスピーカとした場合には、低音域
用スピーカの指向性を改善するために、各スピーカの取
付位置を前後方向にズラす必要があり、キヤビネツトの
形状が大きくなると共にコストアツプになるという問題
があった。(C) Problems to be solved by the invention When the two-way speaker is used as described above, in order to improve the directivity of the bass speaker, it is necessary to shift the mounting position of each speaker in the front-back direction. However, there has been a problem that the shape of the cabinet is increased and the cost is increased.
（ニ）問題点を解決するための手段 本考案は上述のような問題点に鑑み、単一のスピーカで
音響特性のよい再生音を発生させるため、キヤビネツト
の前面におけるスピーカ取付部に庇状のリブを設けて大
きな第１放音開口と小さな第２放音開口を上下に分離し
て形成し、前記第１放音開口に対してスピーカ振動板の
半径を越える範囲が対向すると共に前記第２放音開口に
対してスピーカ振動板の外周部を対向させるよう前記ス
ピーカ取付部に単一のスピーカを取付け、前記第１放音
開口を全音域音に且つ前記第２放音開口を低音域音に指
向するように構成したことを特徴とする音響機器を提供
するものである。(D) Means for Solving the Problems In view of the problems as described above, the present invention provides a speaker with a visor-like shape at the speaker mounting portion on the front surface of the cabinet in order to generate a reproduced sound having good acoustic characteristics with a single speaker. A rib is provided to form a large first sound emitting opening and a small second sound emitting opening separately from each other, and a range exceeding the radius of the speaker diaphragm is opposed to the first sound emitting opening and the second sound emitting opening is formed. A single speaker is attached to the speaker attachment portion so that the outer peripheral portion of the speaker diaphragm faces the sound emission opening, and the first sound emission opening is a whole range sound and the second sound emission opening is a low range sound. The present invention provides an audio device characterized by being configured so as to be directed to.
（ホ）作用 本考案音響機器に依れば、スピーカからの放射音は第１
放音開口及び第２放音開口から放出され、特に第２放音
開口はスピーカの振動板の外周部に対向しているので、
振動板外周部の振動音は低音域音となって第２放音開口
より放出される。(E) Action According to the audio device of the present invention, the sound emitted from the speaker is the first
The sound is emitted from the sound emitting opening and the second sound emitting opening. Especially, since the second sound emitting opening faces the outer peripheral portion of the diaphragm of the speaker,
The vibration sound of the outer peripheral portion of the diaphragm becomes a low-pitched sound and is emitted from the second sound emission opening.
そして庇状のリブは、第１放音開口から放出される全音
域音と第２放音開口から放出される低音域音の指向性を
改善する。The eave-shaped rib improves the directivity of the whole range sound emitted from the first sound emission opening and the low range sound emitted from the second sound emission opening.
（ヘ）実施例 以下図面に示す本考案音響機器の実施例について説明す
る。(F) Example An example of the audio device of the present invention shown in the drawings will be described below.
（１）（２）は音響機器を構成するキヤビネツトとバツ
クリツドであり、前記キヤビネツト（１）は前面のスピ
ーカ取付部に庇状のリブ（３）が一体に形成されてい
る。Reference numerals (1) and (2) are a cabinet and a back bridge which constitute an audio device. The cabinet (1) has an eave-shaped rib (3) integrally formed on a front speaker mounting portion.
前記リブ（３）は大きな角形の第１放音開口（４）と小
さな角形の第２放音開口（５）を上下に分離して形成す
る。（６）は前記第１放音開口（４）に前方より嵌合さ
れ且つ接着して取付けられる第１エスカツシヨンで、該
第１エスカツシヨン（６）はスピーカの口径に合致する
円弧状開口（７）を有すると共にこの開口（７）より外
方へ広がる傾斜内壁面（８）を有する。The rib (3) has a large rectangular first sound emitting opening (4) and a small square second sound emitting opening (5) which are vertically separated. Reference numeral (6) is a first escutcheon fitted to the first sound emission opening (4) from the front side and attached by adhesion, and the first escalation (6) is an arcuate opening (7) matching the diameter of the speaker. And an inclined inner wall surface (8) extending outward from the opening (7).
（９）は前記第２放音開口（５）に前方より嵌合され且
つ接着して取付けられる第２エスカツシヨンで、該第２
エスカツシヨン（９）はスピーカの口径に合致する円弧
状開口（10）を有すると共にこの開口（10）より外方へ
広がる傾斜内壁面（11）を有する。(9) is a second escutcheon fitted to the second sound output opening (5) from the front and attached by adhesion.
The escalation (9) has an arcuate opening (10) matching the diameter of the speaker and an inclined inner wall surface (11) extending outward from the opening (10).
（12）（13）は前記第１エスカツシヨン（６）の背部及
び第２エスカツシヨン（９）の背部に形成された取付ボ
ス、（14）は前記第２放音開口（５）に対してスピーカ
振動板（15）の外周部を対向させるよう前記第１及び第
２エスカツシヨン（６）（９）の取付ボス（12）（13）
にフレーム（16）が螺子により取付けられる単一のスピ
ーカである。（17）はスピーカ（14）の口径を形成する
矢紙である。（18）は前記バツクリツド（２）内に設け
られた取付ボス、（19）は該取付ボス（18）に取付けら
れた部品である。（20）は前記第１エスカツシヨン
（６）に取付けられた保護用のパンチングパネル、（2
1）は前記第２エスカツシヨン（９）に取付けられた保
護用のパンチングパネルである。(12) (13) are mounting bosses formed on the back of the first escalation (6) and the back of the second escalation (9), and (14) is a speaker vibration with respect to the second sound emission opening (5). Mounting bosses (12) (13) for the first and second escalations (6) (9) so that the outer peripheral portions of the plate (15) face each other.
The frame (16) is a single speaker attached by screws. (17) is a sheet of paper that forms the diameter of the speaker (14). Reference numeral (18) is a mounting boss provided in the buckle (2), and reference numeral (19) is a component mounted on the mounting boss (18). (20) is a protective punching panel attached to the first escalation (6), (2)
1) is a punching panel for protection attached to the second escalation (9).
従って上述のように構成された本考案音響機器において
は、キヤビネツト（１）のスピーカ取付部における庇状
のリブ（３）によって第１放音開口（４）と第２放音開
口（５）が形成され、これ等の各放音開口（４）（５）
に対して嵌合している第１エスカツシヨン（６）及び第
２エスカツシヨン（９）に単一のスピーカ（14）が取付
けられているので、スピーカ（14）からの音は、第１エ
スカツシヨン（６）の円弧状開口（７）及び第２エスカ
ツシヨン（９）の円弧状開口（10）より放出されること
になる。Therefore, in the audio device of the present invention configured as described above, the first sound emission opening (4) and the second sound emission opening (5) are formed by the eave-shaped ribs (3) in the speaker mounting portion of the cabinet (1). Formed, each of these sound emitting openings (4) (5)
Since the single speaker (14) is attached to the first escalation (6) and the second escalation (9) which are fitted to each other, the sound from the speaker (14) is emitted from the first escalation (6). ) And the arcuate opening (10) of the second escalation (9).
この時、第２エスカツシヨン（９）の円弧状開口（10）
はスピーカ（14）の振動板（15）の外周部に対向してい
るので、振動板外周部にて発生する音が第２エスカツシ
ヨン（９）の円弧状開口（10）から放出され、この音域
は低音域となる。At this time, the arc-shaped opening (10) of the second escalation (9)
Faces the outer peripheral portion of the diaphragm (15) of the speaker (14), so the sound generated on the outer peripheral portion of the diaphragm is emitted from the arcuate opening (10) of the second escalation (9), Is in the low range.
一方、第１エスカツシヨン（６）の円弧状開口（７）は
スピーカ（14）の振動板（15）の半径を越える範囲が対
向しているので、全音域音を放出する。On the other hand, the arcuate openings (7) of the first escalation (6) are opposed to each other in a range exceeding the radius of the diaphragm (15) of the speaker (14), so that the whole range sound is emitted.
従って第１エスカツシヨン（６）の開口（７）から全音
域音が放射され、又第２エスカツシヨン（９）の開口
（10）から低音域音が放射されることになり、これ等の
各放出音は庇状のリブ（３）によって互いに遮ぎられ、
それぞれに指向性が与えられることになる。Therefore, the whole range sound is emitted from the opening (7) of the first escalation (6), and the low range sound is emitted from the opening (10) of the second escalation (9). Are shielded from each other by eave-shaped ribs (3),
Each will be given directivity.
（ト）考案の効果 本考案音響機器は上述のように構成されているので、単
一のスピーカの放出音をスピーカ取付部の庇状のリブに
よって低音域音と全音域音の２ウエイ音とすることが出
来、併せて斯るリブにより指向性の改善を計ることが出
来るものである。(G) Effect of the device Since the audio device of the present invention is configured as described above, the sound emitted from a single speaker is divided into a two-way sound of a low range sound and a whole range sound by the eave-shaped ribs of the speaker mounting portion. In addition, the rib can improve the directivity.
図は本考案音響機器を示し、第１図は要部を分離して示
す断面図、第２図は取付時の断面図、第３図は正面の概
略構成図である。 （１）…キヤビネツト、（３）…庇状のリブ、（４）…
第１放音開口、（５）…第２放音開口、（６）…第１エ
スカツシヨン、（７）…円弧状開口、（９）…第２エス
カツシヨン、（10）…円弧状開口、（14）…スピーカ、
（15）…振動板。FIG. 1 shows an audio device of the present invention. FIG. 1 is a sectional view showing a main part separately, FIG. 2 is a sectional view at the time of mounting, and FIG. 3 is a schematic front view. (1) ... Cabinet, (3) ... Eave-shaped ribs, (4) ...
First sound emission opening, (5) ... Second sound emission opening, (6) ... First escalation, (7) ... Arc opening, (9) ... Second escalation, (10) ... Arc opening, (14 ) ... speaker,
(15)… A diaphragm.
Claims (1)
部に庇状のリブを設けて大きな第１放音開口と小さな第
２放音開口を上下に分離して形成し、前記第１放音開口
に対してスピーカ振動板の半径を越える範囲が対向する
と共に前記第２放音開口に対してスピーカ振動板の外周
部を対向させるよう前記スピーカ取付部に単一のスピー
カを取付け、前記第１放音開口を全音域音に且つ前記第
２放音開口を低音域音に指向するように構成したことを
特徴とする音響機器。1. A loudspeaker-shaped rib is provided on a speaker mounting portion on a front surface of a cabinet to form a large first sound emitting opening and a small second sound emitting opening which are vertically separated from each other. A single speaker is attached to the speaker mounting portion so that a range exceeding the radius of the speaker diaphragm faces and the outer peripheral portion of the speaker diaphragm faces the second sound emitting opening. Is directed to the whole range sound and the second sound emission opening is directed to the low range sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987074020U JPH0644230Y2 (en) | 1987-05-18 | 1987-05-18 | Audio equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987074020U JPH0644230Y2 (en) | 1987-05-18 | 1987-05-18 | Audio equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63183790U JPS63183790U (en) | 1988-11-25 |
| JPH0644230Y2 true JPH0644230Y2 (en) | 1994-11-14 |
Family
ID=30918860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987074020U Expired - Lifetime JPH0644230Y2 (en) | 1987-05-18 | 1987-05-18 | Audio equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0644230Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4035286Y1 (en) * | 1965-07-28 | 1965-12-13 | ||
| JPS6126391U (en) * | 1984-07-19 | 1986-02-17 | 株式会社東芝 | speaker device |
-
1987
- 1987-05-18 JP JP1987074020U patent/JPH0644230Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63183790U (en) | 1988-11-25 |
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