FR940524A - Improvements to microphones and electrostatic speakers - Google Patents

Improvements to microphones and electrostatic speakers

Info

Publication number
FR940524A
FR940524A FR940524DA FR940524A FR 940524 A FR940524 A FR 940524A FR 940524D A FR940524D A FR 940524DA FR 940524 A FR940524 A FR 940524A
Authority
FR
France
Prior art keywords
microphones
electrostatic speakers
speakers
electrostatic
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
Other languages
French (fr)
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.)
S E M ETS
Original Assignee
S E M ETS
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 S E M ETS filed Critical S E M ETS
Application granted granted Critical
Publication of FR940524A publication Critical patent/FR940524A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00Electrostatic transducers
    • H04R19/02Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR940524D 1947-01-25 1947-01-25 Improvements to microphones and electrostatic speakers Expired FR940524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR940524T 1947-01-25

Publications (1)

Publication Number Publication Date
FR940524A true FR940524A (en) 1948-12-15

Family

ID=9462684

Family Applications (1)

Application Number Title Priority Date Filing Date
FR940524D Expired FR940524A (en) 1947-01-25 1947-01-25 Improvements to microphones and electrostatic speakers

Country Status (1)

Country Link
FR (1) FR940524A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2330800A1 (en) * 1973-06-16 1975-01-09 Sennheiser Electronic Electrostatic electroacoustic transducer - is balanced push-pull transducer with inner electrode between two outer electrodes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2330800A1 (en) * 1973-06-16 1975-01-09 Sennheiser Electronic Electrostatic electroacoustic transducer - is balanced push-pull transducer with inner electrode between two outer electrodes

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