JPH0119317B2 - - Google Patents

Info

Publication number
JPH0119317B2
JPH0119317B2 JP10799780A JP10799780A JPH0119317B2 JP H0119317 B2 JPH0119317 B2 JP H0119317B2 JP 10799780 A JP10799780 A JP 10799780A JP 10799780 A JP10799780 A JP 10799780A JP H0119317 B2 JPH0119317 B2 JP H0119317B2
Authority
JP
Japan
Prior art keywords
voice coil
ring
flat plate
space
cone
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
Application number
JP10799780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5732198A (en
Inventor
Takeshi Honda
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.)
Onkyo Corp
Original Assignee
Onkyo Corp
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 Onkyo Corp filed Critical Onkyo Corp
Priority to JP10799780A priority Critical patent/JPS5732198A/ja
Publication of JPS5732198A publication Critical patent/JPS5732198A/ja
Publication of JPH0119317B2 publication Critical patent/JPH0119317B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
JP10799780A 1980-08-05 1980-08-05 Speaker Granted JPS5732198A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10799780A JPS5732198A (en) 1980-08-05 1980-08-05 Speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10799780A JPS5732198A (en) 1980-08-05 1980-08-05 Speaker

Publications (2)

Publication Number Publication Date
JPS5732198A JPS5732198A (en) 1982-02-20
JPH0119317B2 true JPH0119317B2 (zh) 1989-04-11

Family

ID=14473359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10799780A Granted JPS5732198A (en) 1980-08-05 1980-08-05 Speaker

Country Status (1)

Country Link
JP (1) JPS5732198A (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61207788A (ja) * 1985-03-13 1986-09-16 清水建設株式会社 地熱生産井におけるスケ−リング防止方法及びその装置
JPS6271995U (zh) * 1985-10-23 1987-05-08
US5418860A (en) * 1993-05-10 1995-05-23 Aura Systems, Inc. Voice coil excursion and amplitude gain control device

Also Published As

Publication number Publication date
JPS5732198A (en) 1982-02-20

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