GB344290A - Improvements in or relating to acoustic diaphragms - Google Patents

Improvements in or relating to acoustic diaphragms

Info

Publication number
GB344290A
GB344290A GB14837/30A GB1483730A GB344290A GB 344290 A GB344290 A GB 344290A GB 14837/30 A GB14837/30 A GB 14837/30A GB 1483730 A GB1483730 A GB 1483730A GB 344290 A GB344290 A GB 344290A
Authority
GB
United Kingdom
Prior art keywords
annulus
cut
edges
portions
diaphragm
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
GB14837/30A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB344290A publication Critical patent/GB344290A/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • 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
    • H04R7/04—Plane diaphragms
    • 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Stringed Musical Instruments (AREA)
GB14837/30A 1929-06-04 1930-05-14 Improvements in or relating to acoustic diaphragms Expired GB344290A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR547840X 1929-06-04

Publications (1)

Publication Number Publication Date
GB344290A true GB344290A (en) 1931-03-05

Family

ID=8934455

Family Applications (2)

Application Number Title Priority Date Filing Date
GB14837/30A Expired GB344290A (en) 1929-06-04 1930-05-14 Improvements in or relating to acoustic diaphragms
GB14987/30A Expired GB346205A (en) 1929-06-04 1930-05-15 Improvements in or relating to acoustic diaphragms

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB14987/30A Expired GB346205A (en) 1929-06-04 1930-05-15 Improvements in or relating to acoustic diaphragms

Country Status (5)

Country Link
US (1) US1796335A (enrdf_load_html_response)
BE (1) BE370732A (enrdf_load_html_response)
DE (1) DE547840C (enrdf_load_html_response)
FR (5) FR692095A (enrdf_load_html_response)
GB (2) GB344290A (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182823A (en) * 1985-11-07 1987-05-20 Midlen Trading Corp Diaphragm and driver for a loudspeaker

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1284837C (en) * 1987-06-18 1991-06-11 Highwood Audio Inc. Audio transducer
EP1377115B1 (en) * 2002-06-24 2016-01-06 Panasonic Intellectual Property Management Co., Ltd. Loudspeaker diaphragm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182823A (en) * 1985-11-07 1987-05-20 Midlen Trading Corp Diaphragm and driver for a loudspeaker

Also Published As

Publication number Publication date
BE370732A (enrdf_load_html_response)
FR38677E (fr) 1931-06-26
US1796335A (en) 1931-03-17
FR692095A (fr) 1930-10-30
FR37934E (fr) 1931-02-07
FR38511E (fr) 1931-06-13
GB346205A (en) 1931-04-09
DE547840C (de) 1932-04-07
FR40003E (fr) 1932-03-21

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