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

    • 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)
BE370732D 1929-06-04 BE370732A (zh)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE370732A true BE370732A (zh)

Family

ID=8934455

Family Applications (1)

Application Number Title Priority Date Filing Date
BE370732D BE370732A (zh) 1929-06-04

Country Status (5)

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

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

Similar Documents

Publication Publication Date Title
BE357721A (zh)
FR660253A (zh)
BE358225A (zh)
BE302977A (zh)
BE308711A (zh)
BE328560A (zh)
BE331572A (zh)
BE332768A (zh)
BE335686A (zh)
BE337359A (zh)
BE338690A (zh)
BE343605A (zh)
BE343892A (zh)
BE344502A (zh)
BE344529A (zh)
BE346078A (zh)
BE349166A (zh)
BE351245A (zh)
BE351620A (zh)
BE352511A (zh)
BE354157A (zh)
BE354333A (zh)
BE356773A (zh)
BE356979A (zh)
BE357075A (zh)