JPS52122122A - Acoustic diaphragm - Google Patents

Acoustic diaphragm

Info

Publication number
JPS52122122A
JPS52122122A JP3896976A JP3896976A JPS52122122A JP S52122122 A JPS52122122 A JP S52122122A JP 3896976 A JP3896976 A JP 3896976A JP 3896976 A JP3896976 A JP 3896976A JP S52122122 A JPS52122122 A JP S52122122A
Authority
JP
Japan
Prior art keywords
acoustic diaphragm
amain
well
crystalline polymer
internal loss
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
JP3896976A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5639117B2 (Direct
Inventor
Hirotoshi Niiguchi
Mitsuru Yashiro
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP3896976A priority Critical patent/JPS52122122A/ja
Publication of JPS52122122A publication Critical patent/JPS52122122A/ja
Publication of JPS5639117B2 publication Critical patent/JPS5639117B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12Non-planar diaphragms or cones
    • H04R7/127Non-planar diaphragms or cones dome-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP3896976A 1976-04-06 1976-04-06 Acoustic diaphragm Granted JPS52122122A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3896976A JPS52122122A (en) 1976-04-06 1976-04-06 Acoustic diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3896976A JPS52122122A (en) 1976-04-06 1976-04-06 Acoustic diaphragm

Publications (2)

Publication Number Publication Date
JPS52122122A true JPS52122122A (en) 1977-10-14
JPS5639117B2 JPS5639117B2 (Direct) 1981-09-10

Family

ID=12539976

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3896976A Granted JPS52122122A (en) 1976-04-06 1976-04-06 Acoustic diaphragm

Country Status (1)

Country Link
JP (1) JPS52122122A (Direct)

Also Published As

Publication number Publication date
JPS5639117B2 (Direct) 1981-09-10

Similar Documents

Publication Publication Date Title
JPS5379525A (en) Compound diaphtagm for speakers
AR212933A1 (es) Transductor electroacustico
JPS53132988A (en) Piezo-vibrator
JPS52122122A (en) Acoustic diaphragm
JPS5388719A (en) Head phone
JPS5535558A (en) Sounding material
JPS5347816A (en) Vibrating plate for speaker
JPS534577A (en) Electronic timepiece with buzzer means
JPS5288326A (en) Microphone
JPS5332691A (en) Long side piezoelectric vibrator
JPS5339771A (en) Water pressure resisting transmitter and receelver
JPS528275A (en) Vibration damping supporting device
JPS5239390A (en) Temperature compensation type piezoelectric vibrator
JPS53111716A (en) Microphone of piezoelectric type
JPS5350727A (en) Manufacture of acoustic diaphragm
JPS52120820A (en) Electroacoustic transducer
JPS52132822A (en) Vibrating plate for speaker
IT1083875B (it) Filtro attivo accoppiato al trasmettitore
JPS5414727A (en) Acoustic solid diaphragm
JPS5417828A (en) Headphone device
MX146012A (es) Mejoras en transductor electroacustico
JPS51132808A (en) Pickup cartridge
JPS51113594A (en) Landupan-type vibrator
JPS5334514A (en) Horn speaker
JPS53133021A (en) Diaphragm for speakers