JPS6333292U - - Google Patents
Info
- Publication number
- JPS6333292U JPS6333292U JP12586486U JP12586486U JPS6333292U JP S6333292 U JPS6333292 U JP S6333292U JP 12586486 U JP12586486 U JP 12586486U JP 12586486 U JP12586486 U JP 12586486U JP S6333292 U JPS6333292 U JP S6333292U
- Authority
- JP
- Japan
- Prior art keywords
- driver unit
- bass
- treble
- acoustic filter
- earphone
- 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
- 210000000613 ear canal Anatomy 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
Landscapes
- Headphones And Earphones (AREA)
- Stereophonic Arrangements (AREA)
Description
第１図は本考案の一実施例を示し、耳に装着さ
れた状態を示すイヤホンの断面図、第２図は上記
イヤホンに装備した低音用及び高音用の各ドライ
バーユニツトが受け持つ周波数領域を示す説明図
、第３図は上記イヤホンの音響等価回路図、第４
図は上記イヤホンの周波数音圧特性図、第５図及
び第６図は耳に装着された状態を示す従来のイヤ
ホンの断面図で、第５図は低音用ドライバーユニ
ツトと高音用ドライバーユニツトとを同軸的に配
置した構成のものを、第６図は両ドライバーユニ
ツトを平面的に並べた構成のものを示す。第７図
は従来のイヤホンに付加構成された音響濾波器の
回路例を示す図、第８図は従来のイヤホンが備え
る低音用ドライバーユニツトの振動板に設けられ
た高域遮断用コルゲーシヨンを示す簡略図である
。
２０……ハウジング、２１……低音用ドライバ
ーユニツト、２２……高音用ドライバーユニツト
、２３……仕切板、２４……空室、２５……導管
、２６……プロテクタ、２８……イヤパツド。
Figure 1 shows an embodiment of the present invention, and is a cross-sectional view of the earphone when it is worn in the ear. Figure 2 shows the frequency range handled by each of the bass and treble driver units installed in the earphone. Explanatory diagram, Figure 3 is an acoustic equivalent circuit diagram of the above earphone, Figure 4 is
The figure shows the frequency and sound pressure characteristics of the earphone, and Figures 5 and 6 are cross-sectional views of the conventional earphone when worn in the ear. Figure 5 shows the bass driver unit and the treble driver unit. FIG. 6 shows a structure in which both driver units are arranged coaxially, and FIG. 6 shows a structure in which both driver units are arranged in a plane. Fig. 7 is a diagram showing an example of a circuit of an acoustic filter added to a conventional earphone, and Fig. 8 is a simplified diagram showing a high-frequency cutoff corrugation provided on the diaphragm of a bass driver unit included in a conventional earphone. It is a diagram. 20... Housing, 21... Driver unit for bass, 22... Driver unit for treble, 23... Partition plate, 24... Vacancy, 25... Conduit, 26... Protector, 28... Ear pads.
Claims (1)
バーユニツトとをハウジングに内装すると共に、
低音用ドライバーユニツト前方のハウジング内に
空室と導管とより形成した低域通過形の音響濾波
器を設け、上記音響濾波器を通過した低音用ドラ
イバーユニツトの発生音と、高音用ドライバーユ
ニツトの発生音とを外耳道入口に向けて放出させ
る構成としたことを特徴とするイヤホン。 (2) 低音用と高音用の各々のドライバーユニツ
ト及び低域通過形の音響濾波器を備えた２つのイ
ヤホンを使用してステレオ用イヤホンとして構成
した実用新案登録請求の範囲第(1)項記載のイヤ
ホン。[Scope of claim for utility model registration] (1) A bass driver unit and a treble driver unit are installed in a housing, and
A low-pass acoustic filter formed by a hollow chamber and a conduit is installed in the housing in front of the bass driver unit, and the sound generated by the bass driver unit and the treble driver unit that pass through the acoustic filter are separated. An earphone characterized by being configured to emit sound toward the entrance of the ear canal. (2) Utility model registration claim described in paragraph (1) of a stereo earphone configured by using two earphones each equipped with a bass and a treble driver unit and a low-pass acoustic filter. earphones.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12586486U JPS6333292U (en) | 1986-08-20 | 1986-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12586486U JPS6333292U (en) | 1986-08-20 | 1986-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6333292U true JPS6333292U (en) | 1988-03-03 |
Family
ID=31019134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12586486U Pending JPS6333292U (en) | 1986-08-20 | 1986-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6333292U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5628439A (en) * | 1979-08-17 | 1981-03-20 | Nec Corp | Electron gun for microwave tube |
| JPS5631000A (en) * | 1979-08-20 | 1981-03-28 | Eastman Kodak Co | Separation of stigmasterol |
-
1986
- 1986-08-20 JP JP12586486U patent/JPS6333292U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5628439A (en) * | 1979-08-17 | 1981-03-20 | Nec Corp | Electron gun for microwave tube |
| JPS5631000A (en) * | 1979-08-20 | 1981-03-28 | Eastman Kodak Co | Separation of stigmasterol |
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