JPS6128997B2 - - Google Patents

Info

Publication number
JPS6128997B2
JPS6128997B2 JP13509779A JP13509779A JPS6128997B2 JP S6128997 B2 JPS6128997 B2 JP S6128997B2 JP 13509779 A JP13509779 A JP 13509779A JP 13509779 A JP13509779 A JP 13509779A JP S6128997 B2 JPS6128997 B2 JP S6128997B2
Authority
JP
Japan
Prior art keywords
parts
graphite powder
acoustic
present
acoustic lenses
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
JP13509779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5659300A (en
Inventor
Kunio Imai
Nobuhiro Tsukagoshi
Etsuro Nemoto
Shinichi Yokozeki
Sumio Hagiwara
Toshikazu Yoshino
Yasuyuki Arai
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP13509779A priority Critical patent/JPS5659300A/ja
Publication of JPS5659300A publication Critical patent/JPS5659300A/ja
Publication of JPS6128997B2 publication Critical patent/JPS6128997B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP13509779A 1979-10-22 1979-10-22 Acoustic lense Granted JPS5659300A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13509779A JPS5659300A (en) 1979-10-22 1979-10-22 Acoustic lense

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13509779A JPS5659300A (en) 1979-10-22 1979-10-22 Acoustic lense

Publications (2)

Publication Number Publication Date
JPS5659300A JPS5659300A (en) 1981-05-22
JPS6128997B2 true JPS6128997B2 (enExample) 1986-07-03

Family

ID=15143756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13509779A Granted JPS5659300A (en) 1979-10-22 1979-10-22 Acoustic lense

Country Status (1)

Country Link
JP (1) JPS5659300A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57197099U (enExample) * 1981-06-08 1982-12-14

Also Published As

Publication number Publication date
JPS5659300A (en) 1981-05-22

Similar Documents

Publication Publication Date Title
US4351412A (en) Diaphragm for acoustic instruments and method of manufacturing the same
US4352407A (en) Diaphragms for acoustic instruments and method of producing the same
JPS6128997B2 (enExample)
US4362772A (en) Vibratory elements for audio equipment
JPS6133430B2 (enExample)
JPS6133431B2 (enExample)
US4343376A (en) Vibratory elements for audio equipment
JPS5822919B2 (ja) マルチウエイスピ−カシステム
JPS6138915B2 (enExample)
US4269416A (en) Head shell for record player tonearms
JP2014127846A (ja) 炭素質音響振動板とその製造方法
US4261580A (en) Arm pipe for record player tonearms
JPS6031004B2 (ja) ア−ムパイプ
JPS6056360B2 (ja) 音響機器用振動板
US4366205A (en) Tone-arm elements
JP6173010B2 (ja) 炭素質音響振動板とその製造方法
JP2003078993A (ja) スピーカ用ダンパー
JPS623178B2 (enExample)
JPS6031005B2 (ja) ヘツドシエル
JPS6114564B2 (enExample)
JPS631342B2 (enExample)
JPS6051162B2 (ja) カンチレバ−及びその製造方法
JPS6138916B2 (enExample)
JPH0286087A (ja) 低抵抗ｐｔｃ素子
JPS55127445A (en) Molding material