JPS59119686U - flat speaker - Google Patents

flat speaker

Info

Publication number
JPS59119686U
JPS59119686U JP1380483U JP1380483U JPS59119686U JP S59119686 U JPS59119686 U JP S59119686U JP 1380483 U JP1380483 U JP 1380483U JP 1380483 U JP1380483 U JP 1380483U JP S59119686 U JPS59119686 U JP S59119686U
Authority
JP
Japan
Prior art keywords
flat speaker
diaphragm
speaker
flat
utility
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
Application number
JP1380483U
Other languages
Japanese (ja)
Inventor
荏隅　俊二
Original Assignee
シャープ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Priority to JP1380483U priority Critical patent/JPS59119686U/en
Publication of JPS59119686U publication Critical patent/JPS59119686U/en
Pending legal-status Critical Current

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来一般のスピーカの共振時の振動状態を示す
説明図、第２図は本考案の平面スピーカの要部断面図、
第３図は従来及び本考案のスピーカに係る周波数特性線
図である。 １・・・振動板、２・・・ボイスコイル、３・・・エツ
ジ、４・・・音響的遮蔽板。Fig. 1 is an explanatory diagram showing the vibration state of a conventional general speaker during resonance, Fig. 2 is a sectional view of the main part of the flat speaker of the present invention,
FIG. 3 is a frequency characteristic diagram of the conventional speaker and the speaker of the present invention. 1... Vibration plate, 2... Voice coil, 3... Edge, 4... Acoustic shielding plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 平板状振動板を有する動電型平面スピーカにおいて、該
振動板の前方真近に少な（とも振動板の直径より小さい
開口直径を有する音響的遮蔽体を設けたことを特徴とす
る平面スピーカ。An electrodynamic planar speaker having a flat diaphragm, characterized in that an acoustic shielding member having an opening diameter smaller than the diameter of the diaphragm is provided immediately in front of the diaphragm.
JP1380483U 1983-01-31 1983-01-31 flat speaker Pending JPS59119686U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1380483U JPS59119686U (en) 1983-01-31 1983-01-31 flat speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1380483U JPS59119686U (en) 1983-01-31 1983-01-31 flat speaker

Publications (1)

Publication Number Publication Date
JPS59119686U true JPS59119686U (en) 1984-08-13

Family

ID=30145181

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1380483U Pending JPS59119686U (en) 1983-01-31 1983-01-31 flat speaker

Country Status (1)

Country Link
JP (1) JPS59119686U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007088800A (en) * 2005-09-22 2007-04-05 Sharp Corp Flat speaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007088800A (en) * 2005-09-22 2007-04-05 Sharp Corp Flat speaker
JP4562629B2 (en) * 2005-09-22 2010-10-13 シャープ株式会社 Flat speaker

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