JPS52141630A - Hard carbon vibrating plate production - Google Patents

Hard carbon vibrating plate production

Info

Publication number
JPS52141630A
JPS52141630A JP5777676A JP5777676A JPS52141630A JP S52141630 A JPS52141630 A JP S52141630A JP 5777676 A JP5777676 A JP 5777676A JP 5777676 A JP5777676 A JP 5777676A JP S52141630 A JPS52141630 A JP S52141630A
Authority
JP
Japan
Prior art keywords
vibrating plate
hard carbon
plate production
carbon vibrating
elasticity
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.)
Granted
Application number
JP5777676A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5616597B2 (enExample
Inventor
Toshio Haneda
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5777676A priority Critical patent/JPS52141630A/ja
Publication of JPS52141630A publication Critical patent/JPS52141630A/ja
Publication of JPS5616597B2 publication Critical patent/JPS5616597B2/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP5777676A 1976-05-21 1976-05-21 Hard carbon vibrating plate production Granted JPS52141630A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5777676A JPS52141630A (en) 1976-05-21 1976-05-21 Hard carbon vibrating plate production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5777676A JPS52141630A (en) 1976-05-21 1976-05-21 Hard carbon vibrating plate production

Publications (2)

Publication Number Publication Date
JPS52141630A true JPS52141630A (en) 1977-11-26
JPS5616597B2 JPS5616597B2 (enExample) 1981-04-17

Family

ID=13065259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5777676A Granted JPS52141630A (en) 1976-05-21 1976-05-21 Hard carbon vibrating plate production

Country Status (1)

Country Link
JP (1) JPS52141630A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023023667A (ja) * 2021-08-05 2023-02-16 三菱ケミカル株式会社 音響部材用フィルム、離型フィルム付き音響部材用フィルム、音響部材、積層体及び音響変換器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6125968A (ja) * 1984-07-13 1986-02-05 Kokusan Denki Co Ltd 内燃機関用点火装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023023667A (ja) * 2021-08-05 2023-02-16 三菱ケミカル株式会社 音響部材用フィルム、離型フィルム付き音響部材用フィルム、音響部材、積層体及び音響変換器

Also Published As

Publication number Publication date
JPS5616597B2 (enExample) 1981-04-17

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