JPS4833816A - - Google Patents

Info

Publication number
JPS4833816A
JPS4833816A JP47085897A JP8589772A JPS4833816A JP S4833816 A JPS4833816 A JP S4833816A JP 47085897 A JP47085897 A JP 47085897A JP 8589772 A JP8589772 A JP 8589772A JP S4833816 A JPS4833816 A JP S4833816A
Authority
JP
Japan
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
JP47085897A
Other languages
Japanese (ja)
Other versions
JPS5410854B2 (cs
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
Publication of JPS4833816A publication Critical patent/JPS4833816A/ja
Publication of JPS5410854B2 publication Critical patent/JPS5410854B2/ja
Expired legal-status Critical Current

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)
JP8589772A 1971-09-01 1972-08-29 Expired JPS5410854B2 (cs)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS4833816A true JPS4833816A (cs) 1973-05-14
JPS5410854B2 JPS5410854B2 (cs) 1979-05-10

Family

ID=19813920

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8589772A Expired JPS5410854B2 (cs) 1971-09-01 1972-08-29

Country Status (12)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5572391U (cs) * 1978-11-11 1980-05-19

Families Citing this family (10)

* 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
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
GB9906176D0 (en) 1999-03-17 1999-05-12 Unilever Plc 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5572391U (cs) * 1978-11-11 1980-05-19

Also Published As

Publication number Publication date
AU471029B2 (en) 1976-04-08
CA990037A (en) 1976-06-01
NL7112001A (cs) 1973-03-05
FR2151047A1 (cs) 1973-04-13
AT318034B (de) 1974-09-25
DE2239743A1 (de) 1973-03-08
DE2239743C3 (de) 1980-01-24
FR2151047B1 (cs) 1978-12-29
DE2239743B2 (de) 1979-05-17
JPS5410854B2 (cs) 1979-05-10
ES406184A1 (es) 1976-01-16
CH540768A (de) 1973-08-31
IT964359B (it) 1974-01-21
SE379914B (cs) 1975-10-20
GB1381376A (en) 1975-01-22
AU4607172A (en) 1974-03-07

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