BE354610A - - Google Patents

Info

Publication number
BE354610A
BE354610A BE354610DA BE354610A BE 354610 A BE354610 A BE 354610A BE 354610D A BE354610D A BE 354610DA BE 354610 A BE354610 A BE 354610A
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 BE354610A publication Critical patent/BE354610A/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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/02—Loudspeakers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
BE354610D 1928-09-29 BE354610A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE682427X 1928-09-29

Publications (1)

Publication Number Publication Date
BE354610A true BE354610A (en)

Family

ID=3877796

Family Applications (3)

Application Number Title Priority Date Filing Date
BE354610D BE354610A (en) 1928-09-29
BE355577D BE355577A (en) 1928-09-29
BE358577D BE358577A (en) 1928-09-29

Family Applications After (2)

Application Number Title Priority Date Filing Date
BE355577D BE355577A (en) 1928-09-29
BE358577D BE358577A (en) 1928-09-29

Country Status (2)

Country Link
BE (3) BE358577A (en)
FR (1) FR682427A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114536823A (en) * 2020-11-24 2022-05-27 魏灵炯 Production process of loudspeaker diaphragm

Also Published As

Publication number Publication date
FR682427A (en) 1930-05-27
BE355577A (en)
BE358577A (en)

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