FR1215391A - Triangular acoustic diaphragm - Google Patents

Triangular acoustic diaphragm

Info

Publication number
FR1215391A
FR1215391A FR780047A FR780047A FR1215391A FR 1215391 A FR1215391 A FR 1215391A FR 780047 A FR780047 A FR 780047A FR 780047 A FR780047 A FR 780047A FR 1215391 A FR1215391 A FR 1215391A
Authority
FR
France
Prior art keywords
acoustic diaphragm
triangular acoustic
triangular
diaphragm
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
FR780047A
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 FR1215391A publication Critical patent/FR1215391A/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
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR780047A 1957-11-25 1958-11-25 Triangular acoustic diaphragm Expired FR1215391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US698468A US3032138A (en) 1957-11-25 1957-11-25 Acoustical devices

Publications (1)

Publication Number Publication Date
FR1215391A true FR1215391A (en) 1960-04-19

Family

ID=24805378

Family Applications (1)

Application Number Title Priority Date Filing Date
FR780047A Expired FR1215391A (en) 1957-11-25 1958-11-25 Triangular acoustic diaphragm

Country Status (3)

Country Link
US (1) US3032138A (en)
FR (1) FR1215391A (en)
GB (1) GB876426A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573396A (en) * 1964-02-05 1971-04-06 Electronic Res Ass Loudspeaker having improved diaphragm
JPS5332010Y2 (en) * 1973-11-13 1978-08-09
JPS5481728U (en) * 1977-11-16 1979-06-09
JPS54105522U (en) * 1978-01-09 1979-07-25
JPS5748154Y2 (en) * 1978-02-22 1982-10-22
US5103927A (en) * 1990-08-07 1992-04-14 Heavener James D Variable pattern, collapsible, directional transducer
GB0219106D0 (en) * 2002-08-16 2002-09-25 Kh Technology Corp Improvements in loudspeakers
JP4661694B2 (en) * 2006-06-05 2011-03-30 日産自動車株式会社 Intake sound increaser
JP4661695B2 (en) * 2006-06-05 2011-03-30 日産自動車株式会社 Inspiratory sound enhancement device
WO2009080055A1 (en) * 2007-12-20 2009-07-02 Scan-Speak A/S Asymmetric reinforcement of a membrane
USD910604S1 (en) * 2020-07-22 2021-02-16 Crown Tech Llc Microphone isolation shield
USD905022S1 (en) * 2020-07-22 2020-12-15 Crown Tech Llc Microphone isolation shield

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE332450A (en) * 1925-03-12
US1930328A (en) * 1933-01-25 1933-10-10 Tichenor Sound reproducing diaphragm
US2107757A (en) * 1936-02-29 1938-02-08 Bell Telephone Labor Inc Acoustic device
US2439665A (en) * 1944-01-31 1948-04-13 Rca Corp Sound reproducing device
US2685935A (en) * 1949-05-20 1954-08-10 Hawley Products Co Acoustic diaphragm
DE1004232B (en) * 1952-11-18 1957-03-14 Ernst Romen Seamless membrane made of fiber, especially for loudspeakers

Also Published As

Publication number Publication date
US3032138A (en) 1962-05-01
GB876426A (en) 1961-08-30

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