BE475814A - - Google Patents

Info

Publication number
BE475814A
BE475814A BE475814DA BE475814A BE 475814 A BE475814 A BE 475814A BE 475814D A BE475814D A BE 475814DA BE 475814 A BE475814 A BE 475814A
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 BE475814A publication Critical patent/BE475814A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
BE475814D 1945-12-11 BE475814A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3346145A GB625014A (en) 1945-12-11 1945-12-11 Improvements in or relating to acoustic devices

Publications (1)

Publication Number Publication Date
BE475814A true BE475814A (enrdf_load_stackoverflow)

Family

ID=10353267

Family Applications (1)

Application Number Title Priority Date Filing Date
BE475814D BE475814A (enrdf_load_stackoverflow) 1945-12-11

Country Status (4)

Country Link
BE (1) BE475814A (enrdf_load_stackoverflow)
ES (1) ES177021A1 (enrdf_load_stackoverflow)
FR (1) FR948086A (enrdf_load_stackoverflow)
GB (1) GB625014A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3154172A (en) * 1962-07-19 1964-10-27 Tibbetts Industries Diaphragm and impedance means
US3285364A (en) * 1965-06-01 1966-11-15 Ling Temco Vought Inc Loudspeaker construction

Also Published As

Publication number Publication date
ES177021A1 (es) 1947-04-16
FR948086A (fr) 1949-07-21
GB625014A (en) 1949-06-21

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