JPS57190498A - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
JPS57190498A
JPS57190498A JP56075213A JP7521381A JPS57190498A JP S57190498 A JPS57190498 A JP S57190498A JP 56075213 A JP56075213 A JP 56075213A JP 7521381 A JP7521381 A JP 7521381A JP S57190498 A JPS57190498 A JP S57190498A
Authority
JP
Japan
Prior art keywords
ring
rib
inside circumference
coupler ring
coupler
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
JP56075213A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6221480B2 (2
Inventor
Koshin Shimada
Akira Asai
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 JP56075213A priority Critical patent/JPS57190498A/ja
Publication of JPS57190498A publication Critical patent/JPS57190498A/ja
Publication of JPS6221480B2 publication Critical patent/JPS6221480B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R7/122Non-planar diaphragms or cones comprising a plurality of sections or layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP56075213A 1981-05-18 1981-05-18 Loudspeaker Granted JPS57190498A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56075213A JPS57190498A (en) 1981-05-18 1981-05-18 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56075213A JPS57190498A (en) 1981-05-18 1981-05-18 Loudspeaker

Publications (2)

Publication Number Publication Date
JPS57190498A true JPS57190498A (en) 1982-11-24
JPS6221480B2 JPS6221480B2 (2) 1987-05-13

Family

ID=13569695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56075213A Granted JPS57190498A (en) 1981-05-18 1981-05-18 Loudspeaker

Country Status (1)

Country Link
JP (1) JPS57190498A (2)

Also Published As

Publication number Publication date
JPS6221480B2 (2) 1987-05-13

Similar Documents

Publication Publication Date Title
EP0381248A3 (en) Dual-type damper device
GB889325A (en) Improvements in compression springs made of rubber or an elastomer
JPS57134019A (en) Clutch disc
ES274458U (es) Un volante perfeccionado de motores de vehiculos.
ATE38710T1 (de) Bremsscheibe sowie formkern und verfahren zur herstellung einer solchen bremsscheibe.
IT8220495A0 (it) Cerchio per pneumatici ed assemblaggio col corrispondente pneumatico.
AU5239696A (en) Polyblock railway wheel
SE8206006D0 (sv) Floating seat
JPS57171136A (en) Engine mount device filled with fluid
GB2011017A (en) Diaphragm Springs
JPS57190498A (en) Loudspeaker
JPS5392071A (en) Diaphragm type coupling
GB2021493A (en) A Solid Tyre and Vehicle Wheel Assembly
PL291353A1 (en) Wheel for vehicles
AU5082379A (en) Rim with bead seats on radially inner surface
ES8103703A1 (es) Un sistema de suspension primario en un coche de ferrocarril
GB1221157A (en) Resilient coupling for seating in a component having an eye
JPS55127209A (en) Assembly body of beadless tire and rim
JPS568701A (en) Wheel for low air-pressure tire
JPS55124399A (en) Electroacoustic converter
JPS5755266A (en) Crawler wheel supporting device for combine and the like
ES8103795A1 (es) Perfeccionamientos en elementos de conexion para un conjuntode defensa para estructuras marinas
FR2410573A1 (fr) Dispositif de fixation superieure d'un amortisseur de vehicule
JPS57190499A (en) Loudspeaker
GB2247053B (en) Thrust bearing made of synthetic resin