PL3454568T3 - Microphone pre-amplifier with polarization voltage supply - Google Patents

Microphone pre-amplifier with polarization voltage supply

Info

Publication number
PL3454568T3
PL3454568T3 PL17190512T PL17190512T PL3454568T3 PL 3454568 T3 PL3454568 T3 PL 3454568T3 PL 17190512 T PL17190512 T PL 17190512T PL 17190512 T PL17190512 T PL 17190512T PL 3454568 T3 PL3454568 T3 PL 3454568T3
Authority
PL
Poland
Prior art keywords
amplifier
voltage supply
polarization voltage
microphone pre
microphone
Prior art date
Application number
PL17190512T
Other languages
Polish (pl)
Inventor
Jørgen Baekke
Morten Oksbjerg
Kresten Marbjerg
Original Assignee
G.R.A.S. Sound & Vibration A/S
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 G.R.A.S. Sound & Vibration A/S filed Critical G.R.A.S. Sound & Vibration A/S
Publication of PL3454568T3 publication Critical patent/PL3454568T3/en

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
    • H04R3/00—Circuits for transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
PL17190512T 2017-09-12 2017-09-12 Microphone pre-amplifier with polarization voltage supply PL3454568T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17190512.8A EP3454568B1 (en) 2017-09-12 2017-09-12 Microphone pre-amplifier with polarization voltage supply

Publications (1)

Publication Number Publication Date
PL3454568T3 true PL3454568T3 (en) 2021-05-04

Family

ID=59858567

Family Applications (1)

Application Number Title Priority Date Filing Date
PL17190512T PL3454568T3 (en) 2017-09-12 2017-09-12 Microphone pre-amplifier with polarization voltage supply

Country Status (3)

Country Link
EP (1) EP3454568B1 (en)
DK (1) DK3454568T3 (en)
PL (1) PL3454568T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL247648B1 (en) 2022-10-14 2025-08-18 Centrum Astronomiczne Im Mikolaja Kopernika Polskiej Akademii Nauk Preamplifier for a condenser microphone operating in the infrasonic frequency range

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5377273A (en) * 1992-03-26 1994-12-27 Hewlett-Packard Company Batteryless power supply for transducers
US7835531B2 (en) * 2004-03-30 2010-11-16 Akg Acoustics Gmbh Microphone system
US9253569B2 (en) * 2013-12-20 2016-02-02 Infineon Technologies Ag System and method for a cancelation circuit
CN105072241B (en) * 2015-07-31 2018-01-19 合肥赛为智能有限公司 A kind of intercom system isolating transformer anti-side-tone circuit

Also Published As

Publication number Publication date
DK3454568T3 (en) 2021-01-11
EP3454568A1 (en) 2019-03-13
EP3454568B1 (en) 2020-10-28

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