NL7112001A - - Google Patents

Info

Publication number
NL7112001A
NL7112001A NL7112001A NL7112001A NL7112001A NL 7112001 A NL7112001 A NL 7112001A NL 7112001 A NL7112001 A NL 7112001A NL 7112001 A NL7112001 A NL 7112001A NL 7112001 A NL7112001 A NL 7112001A
Authority
NL
Netherlands
Application number
NL7112001A
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 filed Critical
Priority to NL7112001A priority Critical patent/NL7112001A/xx
Priority to DE2239743A priority patent/DE2239743C3/de
Priority to IT28614/72A priority patent/IT964359B/it
Priority to AT743172A priority patent/AT318034B/de
Priority to CA150,430A priority patent/CA990037A/en
Priority to SE7211147A priority patent/SE379914B/xx
Priority to ES406184A priority patent/ES406184A1/es
Priority to CH1272672A priority patent/CH540768A/de
Priority to AU46071/72A priority patent/AU471029B2/en
Priority to JP8589772A priority patent/JPS5410854B2/ja
Priority to GB3999572A priority patent/GB1381376A/en
Priority to FR7230958A priority patent/FR2151047B1/fr
Publication of NL7112001A publication Critical patent/NL7112001A/xx

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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (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)
NL7112001A 1971-09-01 1971-09-01 NL7112001A (zh)

Priority Applications (12)

Application Number Priority Date Filing Date Title
NL7112001A NL7112001A (zh) 1971-09-01 1971-09-01
DE2239743A DE2239743C3 (de) 1971-09-01 1972-08-12 Verfahren zur Herstellung einer Membran für einen akustischen Wandler und Wandler mit einer nach diesem Verfahren hergestellten Membran
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
AT743172A AT318034B (de) 1971-09-01 1972-08-29 Verfahren zur Herstellung einer aus Kunststoff bestehenden Membran für einen akustischen Wandler
CA150,430A CA990037A (en) 1971-09-01 1972-08-29 Method of manufacturing a diaphragm for an acoustic transducer
SE7211147A SE379914B (zh) 1971-09-01 1972-08-29
ES406184A ES406184A1 (es) 1971-09-01 1972-08-29 Metodo de fabricar un diafragma para un transductor acusti-co.
CH1272672A CH540768A (de) 1971-09-01 1972-08-29 Verfahren zur Herstellung einer Membran für einen akustischen Wandler
AU46071/72A AU471029B2 (en) 1971-09-01 1972-08-29 Method of manufacturing a diaphragm foran acoustic transducer
JP8589772A JPS5410854B2 (zh) 1971-09-01 1972-08-29
GB3999572A GB1381376A (en) 1971-09-01 1972-08-29 Method of manufacturing a diaphragm for a transducer
FR7230958A FR2151047B1 (zh) 1971-09-01 1972-08-31

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7112001A true NL7112001A (zh) 1973-03-05

Family

ID=19813920

Family Applications (1)

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

Country Status (12)

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

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 (zh) * 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
GB9906169D0 (en) 1999-03-17 1999-05-12 Unilever Plc A process for producing a water soluble package
GB9906171D0 (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
AU4607172A (en) 1974-03-07
JPS4833816A (zh) 1973-05-14
SE379914B (zh) 1975-10-20
JPS5410854B2 (zh) 1979-05-10
FR2151047B1 (zh) 1978-12-29
DE2239743B2 (de) 1979-05-17
AU471029B2 (en) 1976-04-08
DE2239743C3 (de) 1980-01-24
FR2151047A1 (zh) 1973-04-13
CA990037A (en) 1976-06-01
DE2239743A1 (de) 1973-03-08
AT318034B (de) 1974-09-25
ES406184A1 (es) 1976-01-16
IT964359B (it) 1974-01-21
GB1381376A (en) 1975-01-22
CH540768A (de) 1973-08-31

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