BE370732A - - Google Patents

Info

Publication number
BE370732A
BE370732A BE370732DA BE370732A BE 370732 A BE370732 A BE 370732A BE 370732D A BE370732D A BE 370732DA BE 370732 A BE370732 A BE 370732A
Authority
BE
Belgium
Application number
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.)
Publication of BE370732A publication Critical patent/BE370732A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04Plane diaphragms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12Non-planar diaphragms or cones
    • H04R7/14Non-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)
BE370732D 1929-06-04 BE370732A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE370732A true BE370732A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=8934455

Family Applications (1)

Application Number Title Priority Date Filing Date
BE370732D BE370732A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1929-06-04

Country Status (5)

Country Link
US (1) US1796335A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE370732A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE547840C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (5) FR692095A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (2) GB344290A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* 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
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

Also Published As

Publication number Publication date
FR38511E (fr) 1931-06-13
GB346205A (en) 1931-04-09
GB344290A (en) 1931-03-05
FR38677E (fr) 1931-06-26
FR692095A (fr) 1930-10-30
FR40003E (fr) 1932-03-21
US1796335A (en) 1931-03-17
DE547840C (de) 1932-04-07
FR37934E (fr) 1931-02-07

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