FR713224A - Membrane pour haut parleur - Google Patents

Membrane pour haut parleur

Info

Publication number
FR713224A
FR713224A FR713224DA FR713224A FR 713224 A FR713224 A FR 713224A FR 713224D A FR713224D A FR 713224DA FR 713224 A FR713224 A FR 713224A
Authority
FR
France
Prior art keywords
loudspeaker membrane
loudspeaker
membrane
Prior art date
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.)
Expired
Application number
Other languages
English (en)
Inventor
David Carl Alfred Hultstrom
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
Application granted granted Critical
Publication of FR713224A publication Critical patent/FR713224A/fr
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
    • 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
    • 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
    • H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR713224D 1930-03-14 1931-03-14 Membrane pour haut parleur Expired FR713224A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1888532X 1930-03-14

Publications (1)

Publication Number Publication Date
FR713224A true FR713224A (fr) 1931-10-23

Family

ID=7747706

Family Applications (1)

Application Number Title Priority Date Filing Date
FR713224D Expired FR713224A (fr) 1930-03-14 1931-03-14 Membrane pour haut parleur

Country Status (3)

Country Link
US (1) US1888532A (fr)
FR (1) FR713224A (fr)
NL (1) NL32898C (fr)

Also Published As

Publication number Publication date
US1888532A (en) 1932-11-22
NL32898C (fr)

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