JPS5811397U

JPS5811397U - ribbon type speaker

Info

Publication number: JPS5811397U
Application number: JP10415081U
Authority: JP
Inventors: 潔斉藤
Original assignee: 日本ビクター株式会社
Priority date: 1981-07-14
Filing date: 1981-07-14
Publication date: 1983-01-25
Also published as: JPS6336791Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図Ａ、　Ｂは夫々一般のリボン形スピーカの一例の
要部の平面図及び断面図、第２図Ａ、　Ｂは夫々リボン
形スピーカに用いるダイヤフラムの平面図及び断面図、
第３図は従来のリボン形スピーカのダイヤフラム組立体
の一例の断面図、第４図及び第５図は夫々第３図示のダ
イヤフラム組立体を用いたスピーカの音圧特性図及び歪
特性図、第６図は従来のリボン形スピーカのダイヤフラ
ム組立体の他の例の断面図、第７図は第６図示のダイヤ
フラム組立体を用いたスピーカ及び本考案スピーカの第
１、第２実施例の音圧特性図、第８図Ａ。Ｂは夫々本考案になるリボン形スピーカの第１実施例の
ダイヤフラム組立体の平面図及び断面図、第９図は第８
図Ａ、　Ｂに示す吸音材取付板の断面図、第１０図は本
考案スピーカの第１、第２実施例の歪特性図、第１１図
Ａ、　Ｂは夫々本考案スピーカの第２実施例のダイヤフ
ラム組立体の平面図及び断面図、第１２図は第１１図Ａ
、　Ｂに示す吸音材取付板の断面図である。１・・・・・・ダイヤフラム、１ａ・・・フィルム面、
１ｂ・・・ボイスコイル、２・・・スペーサ、２ａ・・
−開口部、３・・・ホーン、４・・・コイル駆動部、８
・・・吸音材取付板、８ａ工、８ａ２・・・開口部、９
１，９□、９゜′、９３・・・吸音材。第８図第９図1A and 1B are a plan view and a sectional view of the main parts of an example of a general ribbon speaker, respectively; FIGS. 2A and B are a plan view and a sectional view of a diaphragm used in the ribbon speaker, respectively;
FIG. 3 is a sectional view of an example of a diaphragm assembly of a conventional ribbon-shaped speaker, and FIGS. 4 and 5 are a sound pressure characteristic diagram and a distortion characteristic diagram of a speaker using the diaphragm assembly shown in FIG. FIG. 6 is a sectional view of another example of the diaphragm assembly of a conventional ribbon-shaped speaker, and FIG. 7 is a sound pressure of a speaker using the diaphragm assembly shown in FIG. 6 and the first and second embodiments of the speaker of the present invention. Characteristic diagram, Figure 8A. B is a plan view and a sectional view of the diaphragm assembly of the first embodiment of the ribbon-shaped speaker according to the present invention, and FIG.
Figures A and B are cross-sectional views of the sound-absorbing material mounting plate, Figure 10 is a distortion characteristic diagram of the first and second embodiments of the speaker of the present invention, and Figures 11A and B are respectively the second embodiment of the speaker of the present invention. A plan view and a sectional view of the diaphragm assembly of FIG. 12 and FIG. 11A.
FIG. 2 is a cross-sectional view of the sound-absorbing material mounting plate shown in FIG. 1...Diaphragm, 1a...Film surface,
1b...Voice coil, 2...Spacer, 2a...
- opening, 3... horn, 4... coil drive section, 8
...Sound absorbing material mounting plate, 8a work, 8a2...opening, 9
1,9□, 9゜', 93...Sound absorbing material. Figure 8 Figure 9

Claims

[Scope of utility model registration request]

(1) A ribbon-shaped speaker made of a flat diaphragm with a voice coil formed on its surface, and a sound-absorbing material in contact with the surface excluding the voice coil.

(2) The voice coil is rectangular and spirally formed, and the surface excluding the voice coil includes a central portion surrounded by the voice coil and a rectangular outer portion formed by the voice coil. A ribbon-shaped speaker according to claim 1 of the utility model registration claim.

(3) The voice coil is rectangular and spirally formed, and the surface excluding the voice coil is only the outer part of the rectangular shape formed by the voice coil.Claim 1 of Utility Model Registration: Ribbon type speaker as described in section.