BE368089A - - Google Patents

Info

Publication number
BE368089A
BE368089A BE368089DA BE368089A BE 368089 A BE368089 A BE 368089A BE 368089D A BE368089D A BE 368089DA BE 368089 A BE368089 A BE 368089A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE368089A publication Critical patent/BE368089A/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
    • H04R19/00—Electrostatic transducers
    • H04R19/02—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
BE368089D 1930-02-12 1930-02-26 BE368089A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB469430A GB348573A (en) 1930-02-12 1930-02-12 Improvements relating to electrostatic loud-speakers

Publications (1)

Publication Number Publication Date
BE368089A true BE368089A (enrdf_load_stackoverflow) 1930-03-31

Family

ID=9782030

Family Applications (1)

Application Number Title Priority Date Filing Date
BE368089D BE368089A (enrdf_load_stackoverflow) 1930-02-12 1930-02-26

Country Status (3)

Country Link
BE (1) BE368089A (enrdf_load_stackoverflow)
FR (1) FR690527A (enrdf_load_stackoverflow)
GB (1) GB348573A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2659022A (en) * 1951-05-22 1953-11-10 Tele King Corp Electrostatic deflection system
US3008013A (en) * 1954-07-20 1961-11-07 Ferranti Ltd Electrostatic loudspeakers
DE1103391B (de) * 1955-10-19 1961-03-30 Max Braun Fa Elektrostatischer Lautsprecher
US3118022A (en) * 1961-08-07 1964-01-14 Bell Telephone Labor Inc Electroacoustic transducer
US3778561A (en) * 1972-06-21 1973-12-11 Bell Canada Northern Electric Electret microphone
JPS5419172B2 (enrdf_load_stackoverflow) * 1973-07-23 1979-07-13
US4160881A (en) * 1977-12-28 1979-07-10 Microtel B.V. Electret transducers: acoustically transparent backplate of sintered conductive spheres and a thin electret coating; meshlike diaphragm spacing screen overlays apertured electret backplate with screen junctions overlaying the apertures

Also Published As

Publication number Publication date
FR690527A (fr) 1930-09-23
GB348573A (en) 1931-05-12

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