ES177021A1 - Mejoras en o relativas a diafragmas acústicos - Google Patents

Mejoras en o relativas a diafragmas acústicos

Info

Publication number
ES177021A1
ES177021A1 ES177021A ES177021A ES177021A1 ES 177021 A1 ES177021 A1 ES 177021A1 ES 177021 A ES177021 A ES 177021A ES 177021 A ES177021 A ES 177021A ES 177021 A1 ES177021 A1 ES 177021A1
Authority
ES
Spain
Prior art keywords
relative
acoustic diaphragms
diaphragms
acoustic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES177021A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
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.)
Filing date
Publication date
Application filed by Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES177021A1 publication Critical patent/ES177021A1/es
Expired legal-status Critical Current

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)
ES177021A 1945-12-11 1947-02-28 Mejoras en o relativas a diafragmas acústicos Expired ES177021A1 (es)

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
ES177021A1 true ES177021A1 (es) 1947-04-16

Family

ID=10353267

Family Applications (1)

Application Number Title Priority Date Filing Date
ES177021A Expired ES177021A1 (es) 1945-12-11 1947-02-28 Mejoras en o relativas a diafragmas acústicos

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
FR948086A (fr) 1949-07-21
GB625014A (en) 1949-06-21
BE475814A (enrdf_load_stackoverflow)

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