FR1217104A - Improvements to rectangular acoustic diaphragms - Google Patents

Improvements to rectangular acoustic diaphragms

Info

Publication number
FR1217104A
FR1217104A FR780051A FR780051A FR1217104A FR 1217104 A FR1217104 A FR 1217104A FR 780051 A FR780051 A FR 780051A FR 780051 A FR780051 A FR 780051A FR 1217104 A FR1217104 A FR 1217104A
Authority
FR
France
Prior art keywords
acoustic diaphragms
rectangular acoustic
rectangular
diaphragms
acoustic
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
FR780051A
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.)
Hawley Products Co
Original Assignee
Hawley Products Co
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 Hawley Products Co filed Critical Hawley Products Co
Application granted granted Critical
Publication of FR1217104A publication Critical patent/FR1217104A/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)
  • Diaphragms For Electromechanical Transducers (AREA)
FR780051A 1957-11-25 1958-11-25 Improvements to rectangular acoustic diaphragms Expired FR1217104A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US698824A US2960177A (en) 1957-11-25 1957-11-25 Acoustical devices

Publications (1)

Publication Number Publication Date
FR1217104A true FR1217104A (en) 1960-05-02

Family

ID=24806805

Family Applications (1)

Application Number Title Priority Date Filing Date
FR780051A Expired FR1217104A (en) 1957-11-25 1958-11-25 Improvements to rectangular acoustic diaphragms

Country Status (4)

Country Link
US (1) US2960177A (en)
DE (1) DE1106810B (en)
FR (1) FR1217104A (en)
GB (1) GB876428A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1277930B (en) * 1965-07-08 1968-09-19 Hawley Products Co Acoustic membrane
DE1299041B (en) * 1966-04-06 1969-07-10 Nippon Gakki Co Ltd Seizo Kabu Membrane for flat speaker
US4881617A (en) * 1988-12-30 1989-11-21 Alexander Faraone Radially arcuated speaker cone
US20080232633A1 (en) * 2003-08-08 2008-09-25 Pss Belgium N.V. Shallow Loudspeaker
JP2007535260A (en) * 2004-04-29 2007-11-29 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Diaphragm for loudspeaker with moving coil

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1930328A (en) * 1933-01-25 1933-10-10 Tichenor Sound reproducing diaphragm
US2020705A (en) * 1933-06-12 1935-11-12 Willebald C Stenger Acoustical diaphragm and mounting means
US2685935A (en) * 1949-05-20 1954-08-10 Hawley Products Co Acoustic diaphragm
US2662606A (en) * 1950-01-31 1953-12-15 Rca Corp Elliptical conoidal sound reproducing diaphragm
DE947715C (en) * 1951-06-03 1956-08-23 Peiker Fabrik Fuer Piezoelek S Membrane, consisting of a cap-shaped piece and a frame encompassing its base
US2820527A (en) * 1956-08-16 1958-01-21 Philco Corp Transducers

Also Published As

Publication number Publication date
US2960177A (en) 1960-11-15
GB876428A (en) 1961-08-30
DE1106810B (en) 1961-05-18

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