PT72192A - Process for the manufacture of membranes or cones of high fidelity loudspeaker - Google Patents

Process for the manufacture of membranes or cones of high fidelity loudspeaker

Info

Publication number
PT72192A
PT72192A PT72192A PT7219280A PT72192A PT 72192 A PT72192 A PT 72192A PT 72192 A PT72192 A PT 72192A PT 7219280 A PT7219280 A PT 7219280A PT 72192 A PT72192 A PT 72192A
Authority
PT
Portugal
Prior art keywords
cones
membranes
manufacture
high fidelity
fidelity loudspeaker
Prior art date
Application number
PT72192A
Other languages
Portuguese (pt)
Other versions
PT72192B (en
Inventor
Vicente Ros Mari
Original Assignee
Levante Electronica Auxiliar
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 Levante Electronica Auxiliar filed Critical Levante Electronica Auxiliar
Publication of PT72192A publication Critical patent/PT72192A/en
Publication of PT72192B publication Critical patent/PT72192B/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12Non-planar diaphragms or cones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/027Diaphragms comprising metallic materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
PT72192A 1979-12-14 1980-12-12 Process for the manufacture of membranes or cones of high fidelity loudspeaker PT72192B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES486914A ES486914A1 (en) 1979-12-14 1979-12-14 A method of manufacturing membranes for high-fidelity loud speakers

Publications (2)

Publication Number Publication Date
PT72192A true PT72192A (en) 1981-01-01
PT72192B PT72192B (en) 1982-01-05

Family

ID=8479462

Family Applications (1)

Application Number Title Priority Date Filing Date
PT72192A PT72192B (en) 1979-12-14 1980-12-12 Process for the manufacture of membranes or cones of high fidelity loudspeaker

Country Status (6)

Country Link
DE (1) DE8032983U1 (en)
ES (1) ES486914A1 (en)
FR (1) FR2471719A3 (en)
GB (1) GB2064999A (en)
IT (1) IT1129940B (en)
PT (1) PT72192B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008011435A2 (en) * 2006-07-17 2008-01-24 Babb Burton A High fidelity loudspeaker

Also Published As

Publication number Publication date
PT72192B (en) 1982-01-05
IT1129940B (en) 1986-06-11
GB2064999A (en) 1981-06-24
FR2471719A3 (en) 1981-06-19
DE8032983U1 (en) 1981-04-02
FR2471719B3 (en) 1981-10-16
IT8068872A0 (en) 1980-12-09
ES486914A1 (en) 1980-07-16

Similar Documents

Publication Publication Date Title
AU504697B2 (en) Manufacture of process cheese
JPS55115433A (en) Manufacture of porous product
JPS55161830A (en) Microporous film solventtdrawing production
JPS55156498A (en) Dynamic speaker equalizer
YU77380A (en) Process for the production of l-thereonine
GB1541402A (en) Process for the manufacture of maleimides
GB2112604B (en) Loudspeaker diaphragm and process for producing same
AU527870B2 (en) Production of block foam
DE3169669D1 (en) Process for the manufacture of polyvinyl alcohol, and the polyvinyl alcohol obtained
GB2057224B (en) Loudspeaker diaphragm
YU27380A (en) Process for the selective obtaining of isosorbide-5-nitrate
EP0014103A3 (en) Improved process for the manufacture of carbamates
GB2027172B (en) Diaphragm and process for the manufacture thereof
DE3065179D1 (en) Process for the production of 2-chloro-4-substituted-5-thiazolecarboxylates
GB1541970A (en) Process for the manufacture of 5-acetoacetylamino-benzimidazolone
EP0014064A3 (en) Process for the manufacture of (n-cyanoimido)-carbonates; process for the manufacture of imidocarbonates
GB2056817B (en) Loudspeaker membrane
AU527871B2 (en) Production of block foam
GB2047508B (en) Apparatus for producing the effect of multiple reverberation
PT72192A (en) Process for the manufacture of membranes or cones of high fidelity loudspeaker
NO800351L (en) PROCEDURE FOR MAKING MICROPOROUS BODIES
YU39377B (en) Process for the manufacture of aminocyclols
YU198481A (en) Process for the manufacture of new metabolites
DE3060759D1 (en) Process for the production of 4-fluoro-3-phenoxy-toluene
JPS52843A (en) Process for manufacturing porous diaphragm