IT964359B - Metodo per la fabbricazione di un diaframma per on trasduttore acu stico e diaframma ottenuto con l ausilio di tale metodo - Google Patents

Metodo per la fabbricazione di un diaframma per on trasduttore acu stico e diaframma ottenuto con l ausilio di tale metodo

Info

Publication number
IT964359B
IT964359B IT28614/72A IT2861472A IT964359B IT 964359 B IT964359 B IT 964359B IT 28614/72 A IT28614/72 A IT 28614/72A IT 2861472 A IT2861472 A IT 2861472A IT 964359 B IT964359 B IT 964359B
Authority
IT
Italy
Prior art keywords
diaphragm
stic
acu
transducer
aid
Prior art date
Application number
IT28614/72A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT964359B publication Critical patent/IT964359B/it

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
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/01—Manufacture or treatment
    • H10N30/09—Forming piezoelectric or electrostrictive materials
    • H10N30/098—Forming organic materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
IT28614/72A 1971-09-01 1972-08-29 Metodo per la fabbricazione di un diaframma per on trasduttore acu stico e diaframma ottenuto con l ausilio di tale metodo IT964359B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7112001A NL7112001A (it) 1971-09-01 1971-09-01

Publications (1)

Publication Number Publication Date
IT964359B true IT964359B (it) 1974-01-21

Family

ID=19813920

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28614/72A IT964359B (it) 1971-09-01 1972-08-29 Metodo per la fabbricazione di un diaframma per on trasduttore acu stico e diaframma ottenuto con l ausilio di tale metodo

Country Status (12)

Country Link
JP (1) JPS5410854B2 (it)
AT (1) AT318034B (it)
AU (1) AU471029B2 (it)
CA (1) CA990037A (it)
CH (1) CH540768A (it)
DE (1) DE2239743C3 (it)
ES (1) ES406184A1 (it)
FR (1) FR2151047B1 (it)
GB (1) GB1381376A (it)
IT (1) IT964359B (it)
NL (1) NL7112001A (it)
SE (1) SE379914B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2941644C2 (de) * 1978-10-17 1982-11-11 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Lautsprechermembran und Verfahren zu ihrer Herstellung
JPS5572391U (it) * 1978-11-11 1980-05-19
DE2929432C2 (de) * 1979-07-20 1981-08-13 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Verfahren zur Herstellung eines elektrodynamischen Wandlers
FR2477823A1 (fr) * 1980-03-04 1981-09-11 Thomson Csf Procede de fabrication de transducteurs electromecaniques utilisant au moins un film en polymere et dispositif destine a la mise en oeuvre de ce procede
FR2522241A1 (fr) * 1982-02-22 1983-08-26 Thomson Csf Procede de fabrication de transducteurs polymeres piezoelectriques par forgeage
DE3339101A1 (de) * 1983-10-28 1984-08-23 Martin 6600 Saarbrücken Hauck Membrane fuer einen lautsprecher
US5388976A (en) * 1992-02-27 1995-02-14 Friedrich Theyson Gmbh Wall thickness measuring device with calibration device
JP2882969B2 (ja) * 1993-04-09 1999-04-19 株式会社ケンウッド フィルム成型方法及び成型装置
GB9906171D0 (en) 1999-03-17 1999-05-12 Unilever Plc A process for producing a water soluble package
GB9906169D0 (en) 1999-03-17 1999-05-12 Unilever Plc A process for producing a water soluble package
GB9906176D0 (en) 1999-03-17 1999-05-12 Unilever Plc Process for producing a water soluble package

Also Published As

Publication number Publication date
AT318034B (de) 1974-09-25
AU471029B2 (en) 1976-04-08
FR2151047B1 (it) 1978-12-29
FR2151047A1 (it) 1973-04-13
GB1381376A (en) 1975-01-22
DE2239743C3 (de) 1980-01-24
NL7112001A (it) 1973-03-05
SE379914B (it) 1975-10-20
DE2239743B2 (de) 1979-05-17
AU4607172A (en) 1974-03-07
JPS4833816A (it) 1973-05-14
CH540768A (de) 1973-08-31
CA990037A (en) 1976-06-01
DE2239743A1 (de) 1973-03-08
ES406184A1 (es) 1976-01-16
JPS5410854B2 (it) 1979-05-10

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