GB1442468A - Loudspeakers - Google Patents

Loudspeakers

Info

Publication number
GB1442468A
GB1442468A GB2860974A GB2860974A GB1442468A GB 1442468 A GB1442468 A GB 1442468A GB 2860974 A GB2860974 A GB 2860974A GB 2860974 A GB2860974 A GB 2860974A GB 1442468 A GB1442468 A GB 1442468A
Authority
GB
United Kingdom
Prior art keywords
suspension
carbon fibres
rubber
mixture
mould
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
GB2860974A
Other languages
English (en)
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.)
Sony Corp
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 GB1442468A publication Critical patent/GB1442468A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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)
GB2860974A 1973-07-02 1974-06-27 Loudspeakers Expired GB1442468A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
GB1442468A true GB1442468A (en) 1976-07-14

Family

ID=26419686

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2860974A Expired GB1442468A (en) 1973-07-02 1974-06-27 Loudspeakers

Country Status (8)

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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2209644A (en) * 1987-09-04 1989-05-17 Ding Pang Chen Circumferential element for a loud speaker
US6890894B2 (en) 2000-02-22 2005-05-10 The Procter & Gamble Company Fatty acids, soaps surfactant systems, and consumer products based thereon
US6916777B2 (en) 1997-10-23 2005-07-12 The Procter & Gamble Company Fatty acids, soaps, surfactant systems, and consumer products based thereon
EP1881736A3 (en) * 2006-07-20 2010-05-05 Hosiden Corporation Piezoelectric electroacoustic transducing device
EP1945289A4 (en) * 2005-11-08 2010-05-05 Cardinal Health 207 Inc HIGH FREQUENCY OSCILLATOR FAN
WO2015112459A1 (en) * 2014-01-22 2015-07-30 Bose Corporation Treatment for loudspeaker suspension element fabric

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07101959B2 (ja) * 1990-06-29 1995-11-01 オンキヨー株式会社 スピーカ用振動板の接着方法
DE4041858A1 (de) * 1990-12-24 1992-07-02 Nokia Unterhaltungselektronik Antriebssystem fuer langhubige tieftonlautsprecher
DE4111748A1 (de) * 1991-04-11 1992-10-15 Nokia Deutschland Gmbh Lautsprecher mit sicke und (einbauab-) dichtung vereinigenden bauteil

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2209644A (en) * 1987-09-04 1989-05-17 Ding Pang Chen Circumferential element for a loud speaker
US6916777B2 (en) 1997-10-23 2005-07-12 The Procter & Gamble Company Fatty acids, soaps, surfactant systems, and consumer products based thereon
US6949502B2 (en) 1997-10-23 2005-09-27 The Procter & Gamble Company 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
US6992057B2 (en) 2000-02-22 2006-01-31 The Procter & Gamble Company Fatty acids, soaps, surfactant systems, and consumer products based thereon
EP1945289A4 (en) * 2005-11-08 2010-05-05 Cardinal Health 207 Inc HIGH FREQUENCY OSCILLATOR FAN
EP1881736A3 (en) * 2006-07-20 2010-05-05 Hosiden Corporation Piezoelectric electroacoustic transducing device
CN101111099B (zh) * 2006-07-20 2013-05-29 星电株式会社 压电式电声转换器
WO2015112459A1 (en) * 2014-01-22 2015-07-30 Bose Corporation Treatment for loudspeaker suspension element fabric
US9277303B2 (en) 2014-01-22 2016-03-01 Bose Corporation Treatment for loudspeaker suspension element fabric

Also Published As

Publication number Publication date
FR2236332B1 (https=) 1981-05-22
IT1015633B (it) 1977-05-20
FR2236332A1 (https=) 1975-01-31
DE2431571A1 (de) 1975-01-30
NO140846C (no) 1979-11-21
NL7408966A (nl) 1975-01-06
CA999964A (en) 1976-11-16
AU7057574A (en) 1976-01-08
BR7405447D0 (pt) 1975-04-15
DE2431571C2 (de) 1983-09-22
NO140846B (no) 1979-08-13
NO742399L (https=) 1975-01-27

Similar Documents

Publication Publication Date Title
GB1139642A (en) Improvements in or relating to pneumatic tyres
GB1353334A (en) Method of free curing rubber
ES457790A1 (es) Procedimiento para preparar una mezcla madre de negro de hu-mo-caucho.
GB1442468A (en) Loudspeakers
GB1075644A (en) Process for the manufacture of pneumatic tyres
GB1039608A (en) Improvements in or relating to pneumatic tyre manufacture
ES8106103A1 (es) Procedimiento para fabricar nuevas cubiertas neumaticas
GB934291A (en) Vulcanizing apparatus and method for tires and the like
GB1125600A (en) Tire curing press
GB1127308A (en) Improvements in or relating to sealing strips
GB1115834A (en) Improvements in or relating to pneumatic tyres having a breaker layer
GB1520043A (en) Method of injection moulding a toroidal shaped article
GB904793A (en) Improvements in or relating to pneumatic tyres for vehicles
GB1504439A (en) Tyre manufacture
GB849675A (en) Improvements in or relating to pneumatic tyres
GB1090927A (en) Production of tyre covers with decorated walls
GB951049A (en) Tire curing bladder
GB1368658A (en) Method of making shaped articles from coal
GB1510353A (en) Presses for curing rubber articles
GB1399864A (en) Manufacutre of pneumatic tyres
JPS57160300A (en) Vibration diaphragm for speaker
GB1034336A (en) Apparatus for moulding tyres
GB1118428A (en) Improved belted tyre
GB1145093A (en) Improvements in or relating to the manufacture of pneumatic tyres
GB940903A (en) Process and apparatus for the manufacture from plastics of sealing rings for mechanical shaft seals

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee