BE379042A - - Google Patents

Info

Publication number
BE379042A
BE379042A BE379042DA BE379042A BE 379042 A BE379042 A BE 379042A BE 379042D A BE379042D A BE 379042DA BE 379042 A BE379042 A BE 379042A
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 BE379042A publication Critical patent/BE379042A/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
    • H04R9/02—Details
    • 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
    • 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
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
BE379042D 1930-05-06 BE379042A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US450128A US1808297A (en) 1930-05-06 1930-05-06 Loud speaker

Publications (1)

Publication Number Publication Date
BE379042A true BE379042A (en)

Family

ID=23786874

Family Applications (1)

Application Number Title Priority Date Filing Date
BE379042D BE379042A (en) 1930-05-06

Country Status (5)

Country Link
US (1) US1808297A (en)
BE (1) BE379042A (en)
FR (1) FR715100A (en)
GB (1) GB369030A (en)
NL (1) NL32218C (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423037A (en) * 1944-11-03 1947-06-24 Operadio Mfg Co Electrodynamic loud-speaker
US2537723A (en) * 1946-11-22 1951-01-09 Truvox Engineering Company Ltd Electromagnetic transducer
DE1177210B (en) * 1962-12-14 1964-09-03 Lehner Fernsprech Signal Electroacoustic converter for telephone purposes
GB2050755B (en) * 1979-04-10 1983-06-29 Suwa Seikosha Kk Dynamic loudspeaker
GB8923681D0 (en) * 1989-10-20 1989-12-06 Lyth Charles D Improvements in or relating to loudspeakers
GB0102780D0 (en) * 2001-02-03 2001-03-21 K H Technology Corp Loudspeaker assemblies
USD733792S1 (en) * 2013-10-07 2015-07-07 Rony Samimrad Guitar
USD767541S1 (en) * 2014-04-23 2016-09-27 Martin Audio Limited Loudspeaker
USD783577S1 (en) * 2015-09-16 2017-04-11 Stillwater Designs And Audio, Inc. Subwoofer
USD788074S1 (en) * 2015-10-09 2017-05-30 Bose Corporation Low profile speaker

Also Published As

Publication number Publication date
US1808297A (en) 1931-06-02
FR715100A (en) 1931-11-25
NL32218C (en)
GB369030A (en) 1932-03-17

Similar Documents

Publication Publication Date Title
FR693814A (en)
FR675581A (en)
FR673567A (en)
FR694050A (en)
BE366808A (en)
BE355846A (en)
NL29732C (en)
BE375138A (en)
NL49698C (en)
BE369672A (en)
BE367688A (en)
BE367084A (en)
BE382458A (en)
BE382994A (en)
BE384267A (en)
BE359530A (en)
NL31031C (en)
BE360999A (en)
BE362756A (en)
BE363192A (en)
BE363405A (en)
BE365672A (en)
BE394600A (en)
NL32009C (en)
BE400530A (en)