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FR1399235A - Speaker enhancements - Google Patents

Speaker enhancements

Info

Publication number
FR1399235A
FR1399235A FR978933A FR978933A FR1399235A FR 1399235 A FR1399235 A FR 1399235A FR 978933 A FR978933 A FR 978933A FR 978933 A FR978933 A FR 978933A FR 1399235 A FR1399235 A FR 1399235A
Authority
FR
France
Prior art keywords
enhancements
speaker
speaker 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
FR978933A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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
Priority claimed from US289266A external-priority patent/US3190389A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR978933A priority Critical patent/FR1399235A/en
Application granted granted Critical
Publication of FR1399235A publication Critical patent/FR1399235A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR978933A 1963-06-20 1964-06-19 Speaker enhancements Expired FR1399235A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR978933A FR1399235A (en) 1963-06-20 1964-06-19 Speaker enhancements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US289266A US3190389A (en) 1963-06-20 1963-06-20 Loudspeaker construction
FR978933A FR1399235A (en) 1963-06-20 1964-06-19 Speaker enhancements

Publications (1)

Publication Number Publication Date
FR1399235A true FR1399235A (en) 1965-05-14

Family

ID=26208443

Family Applications (1)

Application Number Title Priority Date Filing Date
FR978933A Expired FR1399235A (en) 1963-06-20 1964-06-19 Speaker enhancements

Country Status (1)

Country Link
FR (1) FR1399235A (en)

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