FI20165561A - Electrostatic membrane structure and electrostatic element - Google Patents

Electrostatic membrane structure and electrostatic element

Info

Publication number
FI20165561A
FI20165561A FI20165561A FI20165561A FI20165561A FI 20165561 A FI20165561 A FI 20165561A FI 20165561 A FI20165561 A FI 20165561A FI 20165561 A FI20165561 A FI 20165561A FI 20165561 A FI20165561 A FI 20165561A
Authority
FI
Finland
Prior art keywords
electrostatic
membrane structure
electrostatic element
electrostatic membrane
membrane
Prior art date
Application number
FI20165561A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI129536B (en
Inventor
Erkki Honkakoski
Original Assignee
Panphonics Oy
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 Panphonics Oy filed Critical Panphonics Oy
Priority to FI20165561A priority Critical patent/FI129536B/en
Publication of FI20165561A publication Critical patent/FI20165561A/en
Application granted granted Critical
Publication of FI129536B publication Critical patent/FI129536B/en

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
    • H04R19/01Electrostatic transducers characterised by the use of electrets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00Electrostatic transducers
    • H04R19/01Electrostatic transducers characterised by the use of electrets
    • H04R19/013Electrostatic transducers characterised by the use of electrets for loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00Electrostatic transducers
    • H04R19/01Electrostatic transducers characterised by the use of electrets
    • H04R19/016Electrostatic transducers characterised by the use of electrets for microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04Plane diaphragms
    • H04R7/06Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FI20165561A 2016-07-05 2016-07-05 Electrostatic film structure and electrostatic element FI129536B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI20165561A FI129536B (en) 2016-07-05 2016-07-05 Electrostatic film structure and electrostatic element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20165561A FI129536B (en) 2016-07-05 2016-07-05 Electrostatic film structure and electrostatic element

Publications (2)

Publication Number Publication Date
FI20165561A true FI20165561A (en) 2018-01-06
FI129536B FI129536B (en) 2022-04-14

Family

ID=61166225

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20165561A FI129536B (en) 2016-07-05 2016-07-05 Electrostatic film structure and electrostatic element

Country Status (1)

Country Link
FI (1) FI129536B (en)

Also Published As

Publication number Publication date
FI129536B (en) 2022-04-14

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