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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=19813920

Family Applications (1)

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

Country Status (12)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5572391U (enrdf_load_stackoverflow) * 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
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
GB9906171D0 (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 (enrdf_load_stackoverflow) * 1978-11-11 1980-05-19

Also Published As

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

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