BE355577A - - Google Patents

Info

Publication number
BE355577A
BE355577A BE355577DA BE355577A BE 355577 A BE355577 A BE 355577A BE 355577D A BE355577D A BE 355577DA BE 355577 A BE355577 A BE 355577A
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 BE355577A publication Critical patent/BE355577A/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)
BE355577D 1928-09-29 BE355577A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE355577A true BE355577A (enrdf_load_stackoverflow)

Family

ID=3877796

Family Applications (3)

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

Family Applications Before (2)

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

Country Status (2)

Country Link
BE (3) BE355577A (enrdf_load_stackoverflow)
FR (1) FR682427A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114536823A (zh) * 2020-11-24 2022-05-27 魏灵炯 一种扬声器振膜的生产工艺

Also Published As

Publication number Publication date
BE354610A (enrdf_load_stackoverflow)
BE358577A (enrdf_load_stackoverflow)
FR682427A (fr) 1930-05-27

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