BE347485A - - Google Patents

Info

Publication number
BE347485A
BE347485A BE347485DA BE347485A BE 347485 A BE347485 A BE 347485A BE 347485D A BE347485D A BE 347485DA BE 347485 A BE347485 A BE 347485A
Authority
BE
Belgium
Prior art keywords
diaphragm
movable element
coil
air gap
magnetic circuit
Prior art date
Application number
Other languages
English (en)
French (fr)
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 BE347485A publication Critical patent/BE347485A/fr
Priority claimed from US1483A external-priority patent/US1707617A/en
Priority claimed from GB3254426A external-priority patent/GB287631A/en
Priority claimed from GB1770927A external-priority patent/GB297894A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
BE347485D 1925-01-09 BE347485A (cs)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US1483A US1707617A (en) 1925-01-09 1925-01-09 Sound-reproducing apparatus
GB3254426A GB287631A (en) 1926-12-23 1926-12-23 Improvements relating to devices for the interconversion of mechanical and electrical oscillations
GB3254326 1926-12-23
GB1770927A GB297894A (en) 1927-07-04 1927-07-04 Improvements relating to devices for the interconversion of mechanical and electrical vibrations
GB1915127 1927-07-19

Publications (1)

Publication Number Publication Date
BE347485A true BE347485A (cs)

Family

ID=27516193

Family Applications (1)

Application Number Title Priority Date Filing Date
BE347485D BE347485A (cs) 1925-01-09

Country Status (2)

Country Link
BE (1) BE347485A (cs)
FR (1) FR34820E (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK148550C (da) * 1981-12-10 1986-04-21 Standard Electric Kirk Elektrodynamisk transducer med bevaegelig spole

Also Published As

Publication number Publication date
FR34820E (cs) 1927-10-21

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