FR616504A - Haut-parleur à diaphragme conique - Google Patents

Haut-parleur à diaphragme conique

Info

Publication number
FR616504A
FR616504A FR616504DA FR616504A FR 616504 A FR616504 A FR 616504A FR 616504D A FR616504D A FR 616504DA FR 616504 A FR616504 A FR 616504A
Authority
FR
France
Prior art keywords
conical diaphragm
diaphragm speaker
speaker
conical
diaphragm
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)
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.)
HOPKINS CORP
Original Assignee
HOPKINS CORP
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 HOPKINS CORP filed Critical HOPKINS CORP
Application granted granted Critical
Publication of FR616504A publication Critical patent/FR616504A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR616504D 1925-12-22 1926-05-22 Haut-parleur à diaphragme conique Expired FR616504A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77033A US1763048A (en) 1925-12-22 1925-12-22 Loud-speaker

Publications (1)

Publication Number Publication Date
FR616504A true FR616504A (fr) 1927-02-03

Family

ID=22135690

Family Applications (1)

Application Number Title Priority Date Filing Date
FR616504D Expired FR616504A (fr) 1925-12-22 1926-05-22 Haut-parleur à diaphragme conique

Country Status (4)

Country Link
US (1) US1763048A (pm)
FR (1) FR616504A (pm)
GB (1) GB263481A (pm)
NL (1) NL19874C (pm)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10484768B2 (en) 2017-05-23 2019-11-19 Eric James Lundgard Speaker system

Also Published As

Publication number Publication date
NL19874C (pm)
US1763048A (en) 1930-06-10
GB263481A (en) 1927-09-13

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