JPS6434098A - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
JPS6434098A
JPS6434098A JP19093687A JP19093687A JPS6434098A JP S6434098 A JPS6434098 A JP S6434098A JP 19093687 A JP19093687 A JP 19093687A JP 19093687 A JP19093687 A JP 19093687A JP S6434098 A JPS6434098 A JP S6434098A
Authority
JP
Japan
Prior art keywords
displacement
vibrating surface
diaphragm
curvature
distortion
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
JP19093687A
Other languages
Japanese (ja)
Inventor
Kazuyuki Muraoka
Junichi Mizuguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foster Electric Co Ltd
Original Assignee
Foster Electric Co Ltd
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 Foster Electric Co Ltd filed Critical Foster Electric Co Ltd
Priority to JP19093687A priority Critical patent/JPS6434098A/en
Publication of JPS6434098A publication Critical patent/JPS6434098A/en
Pending legal-status Critical Current

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

PURPOSE:To equalize displacement moving to the front and rear directions of a diaphragm and to suppress the distortion of a voice output by specifying the curvature of a vibrating surface. CONSTITUTION:A sandwiching angle theta, between a straight line to connect the top of the vibrating surface formed in the curvature of a diaphragm 1 and the driving point of the vibrating surface, and a horizontal surface passing the driving point, is set in the range of 22.5+ or -7.5 deg.. When the angle theta is small, a difference between front direction displacement and rear direction displacement is large, and a distortion is generated. When the angle is large, though a symmetry becomes good, the absolute value of the displacement is made small and an efficiency is bad. In such a way, by setting the curvature of the vibrating surface, the displacement moving to the front and rear directions of the diaphragm 1 can be made equal, the relation of a sound output waveform to an electric input which is a sound signal is made linear, and the distortion of the voice output can be suppressed.
JP19093687A 1987-07-29 1987-07-29 Loudspeaker Pending JPS6434098A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19093687A JPS6434098A (en) 1987-07-29 1987-07-29 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19093687A JPS6434098A (en) 1987-07-29 1987-07-29 Loudspeaker

Publications (1)

Publication Number Publication Date
JPS6434098A true JPS6434098A (en) 1989-02-03

Family

ID=16266146

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19093687A Pending JPS6434098A (en) 1987-07-29 1987-07-29 Loudspeaker

Country Status (1)

Country Link
JP (1) JPS6434098A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007019623A (en) * 2005-07-05 2007-01-25 Jr Higashi Nippon Consultants Kk Speaker
JP2008283350A (en) * 2007-05-09 2008-11-20 Foster Electric Co Ltd Flexible display audio apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6273898A (en) * 1985-09-26 1987-04-04 Sony Corp Speaker

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6273898A (en) * 1985-09-26 1987-04-04 Sony Corp Speaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007019623A (en) * 2005-07-05 2007-01-25 Jr Higashi Nippon Consultants Kk Speaker
JP2008283350A (en) * 2007-05-09 2008-11-20 Foster Electric Co Ltd Flexible display audio apparatus

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