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BE385962A - - Google Patents

Info

Publication number
BE385962A
BE385962A BE385962DA BE385962A BE 385962 A BE385962 A BE 385962A BE 385962D A BE385962D A BE 385962DA BE 385962 A BE385962 A BE 385962A
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 BE385962A publication Critical patent/BE385962A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/10—Telephone receivers
    • 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 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
BE385962D 1931-01-31 BE385962A (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US164583XA 1931-01-31 1931-01-31
US20531XA 1931-05-02 1931-05-02

Publications (1)

Publication Number Publication Date
BE385962A true BE385962A (xx)

Family

ID=26669855

Family Applications (1)

Application Number Title Priority Date Filing Date
BE385962D BE385962A (xx) 1931-01-31

Country Status (5)

Country Link
BE (1) BE385962A (xx)
CH (1) CH164583A (xx)
DE (1) DE624204C (xx)
FR (1) FR730676A (xx)
NL (1) NL36742C (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073545B (de) * 1953-06-02 1960-01-21 Akustische u Kino Gerate Ges mbH, Wien Dynamisches Rieht mikrophon
DE971704C (de) * 1953-06-25 1959-03-19 Carl Ludwig Lehner Elektroakustischer Wandler fuer telefonische Zwecke
DE946819C (de) * 1954-08-14 1956-08-09 Siemens Ag Magnetsystem fuer Lautsprecher
DE1115766B (de) * 1956-06-09 1961-10-26 Schoeps Dr Ing Karl Schallempfaenger

Also Published As

Publication number Publication date
CH164583A (fr) 1933-10-15
NL36742C (xx)
FR730676A (fr) 1932-08-19
DE624204C (de) 1936-01-15

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