FR638615A - Loudspeaker enhancements - Google Patents

Loudspeaker enhancements

Info

Publication number
FR638615A
FR638615A FR638615DA FR638615A FR 638615 A FR638615 A FR 638615A FR 638615D A FR638615D A FR 638615DA FR 638615 A FR638615 A FR 638615A
Authority
FR
France
Prior art keywords
enhancements
loudspeaker
loudspeaker enhancements
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
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LAILLER ETS
Original Assignee
LAILLER ETS
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 LAILLER ETS filed Critical LAILLER ETS
Application granted granted Critical
Publication of FR638615A publication Critical patent/FR638615A/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR638615D 1927-08-01 1927-08-01 Loudspeaker enhancements Expired FR638615A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR638615T 1927-08-01

Publications (1)

Publication Number Publication Date
FR638615A true FR638615A (en) 1928-05-30

Family

ID=8996125

Family Applications (1)

Application Number Title Priority Date Filing Date
FR638615D Expired FR638615A (en) 1927-08-01 1927-08-01 Loudspeaker enhancements

Country Status (1)

Country Link
FR (1) FR638615A (en)

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