FR616502A - Haut-parleur - Google Patents

Haut-parleur

Info

Publication number
FR616502A
FR616502A FR616502DA FR616502A FR 616502 A FR616502 A FR 616502A FR 616502D A FR616502D A FR 616502DA FR 616502 A FR616502 A FR 616502A
Authority
FR
France
Prior art keywords
loud speaker
loud
speaker
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)
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 FR616502A publication Critical patent/FR616502A/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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/02—Loudspeakers
FR616502D 1925-12-22 1926-05-22 Haut-parleur Expired FR616502A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US263477XA 1925-12-22 1925-12-22

Publications (1)

Publication Number Publication Date
FR616502A true FR616502A (fr) 1927-02-03

Family

ID=21831299

Family Applications (1)

Application Number Title Priority Date Filing Date
FR616502D Expired FR616502A (fr) 1925-12-22 1926-05-22 Haut-parleur

Country Status (5)

Country Link
US (1) US1730507A (fr)
BE (1) BE338782A (fr)
FR (1) FR616502A (fr)
GB (1) GB263477A (fr)
NL (1) NL20179C (fr)

Also Published As

Publication number Publication date
GB263477A (en) 1927-07-13
US1730507A (en) 1929-10-08
NL20179C (fr)
BE338782A (fr)

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