FR722913A - Improvements to electrodynamic loudspeakers - Google Patents

Improvements to electrodynamic loudspeakers

Info

Publication number
FR722913A
FR722913A FR722913DA FR722913A FR 722913 A FR722913 A FR 722913A FR 722913D A FR722913D A FR 722913DA FR 722913 A FR722913 A FR 722913A
Authority
FR
France
Prior art keywords
electrodynamic loudspeakers
electrodynamic
loudspeakers
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR722913A publication Critical patent/FR722913A/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
    • H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/22—Clamping rim of diaphragm or cone against seating
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR722913D 1930-09-17 1931-09-15 Improvements to electrodynamic loudspeakers Expired FR722913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE599805T 1930-09-17

Publications (1)

Publication Number Publication Date
FR722913A true FR722913A (en) 1932-03-30

Family

ID=34608816

Family Applications (1)

Application Number Title Priority Date Filing Date
FR722913D Expired FR722913A (en) 1930-09-17 1931-09-15 Improvements to electrodynamic loudspeakers

Country Status (4)

Country Link
US (1) US1934184A (en)
DE (1) DE599805C (en)
FR (1) FR722913A (en)
NL (1) NL33150C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691148A (en) * 1950-06-24 1954-10-05 Rca Corp Ultrasonic transducer
US3198890A (en) * 1961-06-14 1965-08-03 Rosen Alfred H High fidelity sound reproducer
US4354066A (en) * 1980-09-15 1982-10-12 Necoechea Robert W Rigid-diaphragm transducer with plural coils
TW510139B (en) * 2001-01-26 2002-11-11 Kirk Acoustics As An electroacoustic transducer and a coil and a magnet circuit therefor

Also Published As

Publication number Publication date
US1934184A (en) 1933-11-07
DE599805C (en) 1934-07-09
NL33150C (en)

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