FR791384A - Perfectionnements aux hauts-parleurs et organes analogues - Google Patents

Perfectionnements aux hauts-parleurs et organes analogues

Info

Publication number
FR791384A
FR791384A FR791384DA FR791384A FR 791384 A FR791384 A FR 791384A FR 791384D A FR791384D A FR 791384DA FR 791384 A FR791384 A FR 791384A
Authority
FR
France
Prior art keywords
loudspeakers
similar devices
similar
devices
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.)
GLEN S PATENTS AND HOLDINGS LT
Original Assignee
GLEN S PATENTS AND HOLDINGS LT
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 GLEN S PATENTS AND HOLDINGS LT filed Critical GLEN S PATENTS AND HOLDINGS LT
Application granted granted Critical
Publication of FR791384A publication Critical patent/FR791384A/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
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • 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
    • H04R7/127—Non-planar diaphragms or cones dome-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR791384D 1934-06-19 1935-06-17 Perfectionnements aux hauts-parleurs et organes analogues Expired FR791384A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18184/34A GB440041A (en) 1934-06-19 1934-06-19 Improvements in or relating to loud-speakers and the like

Publications (1)

Publication Number Publication Date
FR791384A true FR791384A (fr) 1935-12-10

Family

ID=10108101

Family Applications (1)

Application Number Title Priority Date Filing Date
FR791384D Expired FR791384A (fr) 1934-06-19 1935-06-17 Perfectionnements aux hauts-parleurs et organes analogues

Country Status (3)

Country Link
US (1) US2071828A (fr)
FR (1) FR791384A (fr)
GB (1) GB440041A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2840178A (en) * 1954-01-20 1958-06-24 Tesla Np Device for the reproduction of sound
JPS538594A (en) * 1976-07-13 1978-01-26 Seiko Instr & Electronics Ltd Electronic buzzer
DE3147145C2 (de) * 1981-11-27 1983-10-13 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Erzeugung einer drehzahlproportionalen Spannung und Schaltungsanordnung zur Durchführung des Verfahrens
DE9109452U1 (de) * 1991-07-31 1991-10-17 Nokia Unterhaltungselektronik (Deutschland) GmbH, 7530 Pforzheim Konuslautsprecher
US6496590B2 (en) 2000-12-08 2002-12-17 Jl Audio, Inc. Loudspeaker with improved diaphragm
US6963652B1 (en) 2003-04-18 2005-11-08 James M Colombo Low frequency generator
CN101601308B (zh) * 2007-01-12 2013-03-13 萨姆森科技公司 扬声器马达和扬声器
JP1602130S (fr) * 2017-08-08 2018-04-16

Also Published As

Publication number Publication date
US2071828A (en) 1937-02-23
GB440041A (en) 1935-12-19

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