JPH0376079B2 - - Google Patents

Info

Publication number
JPH0376079B2
JPH0376079B2 JP56162763A JP16276381A JPH0376079B2 JP H0376079 B2 JPH0376079 B2 JP H0376079B2 JP 56162763 A JP56162763 A JP 56162763A JP 16276381 A JP16276381 A JP 16276381A JP H0376079 B2 JPH0376079 B2 JP H0376079B2
Authority
JP
Japan
Prior art keywords
diaphragm
resonance
frequency
porous material
horn
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 - Lifetime
Application number
JP56162763A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5864898A (ja
Inventor
Eiji Yamazaki
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP16276381A priority Critical patent/JPS5864898A/ja
Publication of JPS5864898A publication Critical patent/JPS5864898A/ja
Publication of JPH0376079B2 publication Critical patent/JPH0376079B2/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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP16276381A 1981-10-14 1981-10-14 スピ−カ Granted JPS5864898A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16276381A JPS5864898A (ja) 1981-10-14 1981-10-14 スピ−カ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16276381A JPS5864898A (ja) 1981-10-14 1981-10-14 スピ−カ

Publications (2)

Publication Number Publication Date
JPS5864898A JPS5864898A (ja) 1983-04-18
JPH0376079B2 true JPH0376079B2 (pm) 1991-12-04

Family

ID=15760759

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16276381A Granted JPS5864898A (ja) 1981-10-14 1981-10-14 スピ−カ

Country Status (1)

Country Link
JP (1) JPS5864898A (pm)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01320900A (ja) * 1988-06-22 1989-12-26 Eiji Yamazaki スピーカ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5177131U (pm) * 1974-12-16 1976-06-17

Also Published As

Publication number Publication date
JPS5864898A (ja) 1983-04-18

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