IT7920890A0 - Microfono composito insensibile a vibrazioni di bassa frequenza. - Google Patents

Microfono composito insensibile a vibrazioni di bassa frequenza.

Info

Publication number
IT7920890A0
IT7920890A0 IT7920890A IT2089079A IT7920890A0 IT 7920890 A0 IT7920890 A0 IT 7920890A0 IT 7920890 A IT7920890 A IT 7920890A IT 2089079 A IT2089079 A IT 2089079A IT 7920890 A0 IT7920890 A0 IT 7920890A0
Authority
IT
Italy
Prior art keywords
insensitive
low frequency
frequency vibrations
composite microphone
microphone
Prior art date
Application number
IT7920890A
Other languages
English (en)
Other versions
IT1110405B (it
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of IT7920890A0 publication Critical patent/IT7920890A0/it
Application granted granted Critical
Publication of IT1110405B publication Critical patent/IT1110405B/it

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
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
IT20890/79A 1978-03-13 1979-03-09 Microfono composito insensibile a vibrazioni di bassa frequenza IT1110405B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7802687A NL7802687A (nl) 1978-03-13 1978-03-13 Dreunvrije microfooncombinatie bevattende twee microfoonelementen.

Publications (2)

Publication Number Publication Date
IT7920890A0 true IT7920890A0 (it) 1979-03-09
IT1110405B IT1110405B (it) 1985-12-23

Family

ID=19830478

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20890/79A IT1110405B (it) 1978-03-13 1979-03-09 Microfono composito insensibile a vibrazioni di bassa frequenza

Country Status (9)

Country Link
JP (1) JPS54126526A (it)
AT (1) ATA183379A (it)
AU (1) AU4507579A (it)
DE (1) DE2909065A1 (it)
DK (1) DK98479A (it)
FR (1) FR2420266A1 (it)
GB (1) GB2016861A (it)
IT (1) IT1110405B (it)
NL (1) NL7802687A (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4321432A (en) * 1978-12-23 1982-03-23 Tokyo Shibaura Denki Kabushiki Kaisha Electrostatic microphone
US4443666A (en) * 1980-11-24 1984-04-17 Gentex Corporation Electret microphone assembly
DE3429147C2 (de) * 1984-08-08 1987-04-02 Friedrich 6650 Homburg Müller Anordnung zur akustischen Gegenkopplung von Lautsprechern
GB2176369B (en) * 1985-05-09 1988-10-05 Plessey Co Plc Improvements in and relating to microphones
JPH01142295U (it) * 1988-03-19 1989-09-29
DE19843731C2 (de) * 1998-09-24 2001-10-25 Sennheiser Electronic Vorrichtung zur Schallwandlung

Also Published As

Publication number Publication date
FR2420266A1 (fr) 1979-10-12
DK98479A (da) 1979-09-14
NL7802687A (nl) 1979-09-17
GB2016861A (en) 1979-09-26
IT1110405B (it) 1985-12-23
DE2909065A1 (de) 1979-09-20
JPS54126526A (en) 1979-10-01
ATA183379A (de) 1980-04-15
AU4507579A (en) 1979-09-20

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