BR7405447D0 - SPEAKER - Google Patents

SPEAKER

Info

Publication number
BR7405447D0
BR7405447D0 BR5447/74A BR544774A BR7405447D0 BR 7405447 D0 BR7405447 D0 BR 7405447D0 BR 5447/74 A BR5447/74 A BR 5447/74A BR 544774 A BR544774 A BR 544774A BR 7405447 D0 BR7405447 D0 BR 7405447D0
Authority
BR
Brazil
Prior art keywords
speaker
Prior art date
Application number
BR5447/74A
Other languages
Portuguese (pt)
Inventor
H Kawasami
T Sasabe
T Hirosawa
K Kokubo
K Abe
N Sakai
N Arakawa
T Harashino
Original Assignee
Sony 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
Priority claimed from JP1973078632U external-priority patent/JPS5351154Y2/ja
Priority claimed from JP13559173U external-priority patent/JPS5432905Y2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of BR7405447D0 publication Critical patent/BR7405447D0/en

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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
    • 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
    • H04R7/12—Non-planar diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
BR5447/74A 1973-07-02 1974-07-02 SPEAKER BR7405447D0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1973078632U JPS5351154Y2 (en) 1973-07-02 1973-07-02
JP13559173U JPS5432905Y2 (en) 1973-11-24 1973-11-24

Publications (1)

Publication Number Publication Date
BR7405447D0 true BR7405447D0 (en) 1975-04-15

Family

ID=26419686

Family Applications (1)

Application Number Title Priority Date Filing Date
BR5447/74A BR7405447D0 (en) 1973-07-02 1974-07-02 SPEAKER

Country Status (8)

Country Link
BR (1) BR7405447D0 (en)
CA (1) CA999964A (en)
DE (1) DE2431571C2 (en)
FR (1) FR2236332B1 (en)
GB (1) GB1442468A (en)
IT (1) IT1015633B (en)
NL (1) NL7408966A (en)
NO (1) NO140846C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8712014U1 (en) * 1987-09-04 1987-10-29 Chen, Ding Pang, Taipeh/T'ai-pei Perimeter element for a loudspeaker
JPH07101959B2 (en) * 1990-06-29 1995-11-01 オンキヨー株式会社 Adhesion method for speaker diaphragm
DE4041858A1 (en) * 1990-12-24 1992-07-02 Nokia Unterhaltungselektronik DRIVE SYSTEM FOR LONG-HUBBED LOW SPEAKER
DE4111748A1 (en) * 1991-04-11 1992-10-15 Nokia Deutschland Gmbh LOUDSPEAKER WITH COMPONENT COMPOSING COMPONENT
CN1283219A (en) 1997-10-23 2001-02-07 宝洁公司 Fatty acids, soaps, surfactant systems and consumer products based thereon
US6890894B2 (en) 2000-02-22 2005-05-10 The Procter & Gamble Company Fatty acids, soaps surfactant systems, and consumer products based thereon
US9427540B2 (en) * 2005-11-08 2016-08-30 Carefusion 207, Inc. High frequency oscillator ventilator
JP4231879B2 (en) * 2006-07-20 2009-03-04 ホシデン株式会社 Piezoelectric electroacoustic transducer
US9277303B2 (en) 2014-01-22 2016-03-01 Bose Corporation Treatment for loudspeaker suspension element fabric

Also Published As

Publication number Publication date
FR2236332B1 (en) 1981-05-22
NO742399L (en) 1975-01-27
DE2431571A1 (en) 1975-01-30
AU7057574A (en) 1976-01-08
NO140846C (en) 1979-11-21
GB1442468A (en) 1976-07-14
NO140846B (en) 1979-08-13
CA999964A (en) 1976-11-16
NL7408966A (en) 1975-01-06
DE2431571C2 (en) 1983-09-22
IT1015633B (en) 1977-05-20
FR2236332A1 (en) 1975-01-31

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