GB348573A - Improvements relating to electrostatic loud-speakers - Google Patents

Improvements relating to electrostatic loud-speakers

Info

Publication number
GB348573A
GB348573A GB469430A GB469430A GB348573A GB 348573 A GB348573 A GB 348573A GB 469430 A GB469430 A GB 469430A GB 469430 A GB469430 A GB 469430A GB 348573 A GB348573 A GB 348573A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
speaker
loud
fine
films
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
GB469430A
Other languages
English (en)
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.)
ALBERT RAUSER
Original Assignee
ALBERT RAUSER
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 ALBERT RAUSER filed Critical ALBERT RAUSER
Priority to GB469430A priority Critical patent/GB348573A/en
Priority to GB891031A priority patent/GB348585A/en
Priority to FR690527D priority patent/FR690527A/fr
Priority to BE368089D priority patent/BE368089A/xx
Publication of GB348573A publication Critical patent/GB348573A/en
Expired legal-status Critical Current

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
    • 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)
GB469430A 1930-02-12 1930-02-12 Improvements relating to electrostatic loud-speakers Expired GB348573A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB469430A GB348573A (en) 1930-02-12 1930-02-12 Improvements relating to electrostatic loud-speakers
GB891031A GB348585A (en) 1930-02-12 1930-02-12 Improvements in electrostatic loud speakers
FR690527D FR690527A (fr) 1930-02-12 1930-02-25 Haut-parleur électrostatique
BE368089D BE368089A (https=) 1930-02-12 1930-02-26

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
GB348573A true GB348573A (en) 1931-05-12

Family

ID=9782030

Family Applications (1)

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

Country Status (3)

Country Link
BE (1) BE368089A (https=)
FR (1) FR690527A (https=)
GB (1) GB348573A (https=)

Cited By (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
DE1088546B (de) * 1954-07-20 1960-09-08 Max Braun Fa Elektrostatischer Lautsprecher
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
US3942029A (en) * 1973-07-23 1976-03-02 Sony Corporation Electrostatic transducer
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

Cited By (8)

* 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
DE1088546B (de) * 1954-07-20 1960-09-08 Max Braun Fa Elektrostatischer Lautsprecher
US3008014A (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
US3942029A (en) * 1973-07-23 1976-03-02 Sony Corporation Electrostatic transducer
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
BE368089A (https=) 1930-03-31
FR690527A (fr) 1930-09-23

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