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BR8901314A - NOISE TRANSDUCER DEVICE GENERATED WITHIN A BODY - Google Patents

NOISE TRANSDUCER DEVICE GENERATED WITHIN A BODY

Info

Publication number
BR8901314A
BR8901314A BR898901314A BR8901314A BR8901314A BR 8901314 A BR8901314 A BR 8901314A BR 898901314 A BR898901314 A BR 898901314A BR 8901314 A BR8901314 A BR 8901314A BR 8901314 A BR8901314 A BR 8901314A
Authority
BR
Brazil
Prior art keywords
transducer device
device generated
noise transducer
noise
generated
Prior art date
Application number
BR898901314A
Other languages
Portuguese (pt)
Inventor
Eugenio Parisi
Original Assignee
M P & Sd Di Parisi Eugenio Mar
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 M P & Sd Di Parisi Eugenio Mar filed Critical M P & Sd Di Parisi Eugenio Mar
Publication of BR8901314A publication Critical patent/BR8901314A/en

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
BR898901314A 1988-03-21 1989-03-21 NOISE TRANSDUCER DEVICE GENERATED WITHIN A BODY BR8901314A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19873/88A IT1218059B (en) 1988-03-21 1988-03-21 NOISE TRANSDUCTION DEVICE GENERATED INSIDE A BODY, IN PARTICULAR OF THE VOICE, WITH SUBSTANTIAL REDUCTION OF ENVIRONMENTAL NOISE

Publications (1)

Publication Number Publication Date
BR8901314A true BR8901314A (en) 1989-11-07

Family

ID=11161971

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898901314A BR8901314A (en) 1988-03-21 1989-03-21 NOISE TRANSDUCER DEVICE GENERATED WITHIN A BODY

Country Status (5)

Country Link
EP (1) EP0334219A3 (en)
AU (1) AU3156389A (en)
BR (1) BR8901314A (en)
IL (1) IL89655A0 (en)
IT (1) IT1218059B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5785069A (en) * 1994-03-03 1998-07-28 Glatz Ag Standing umbrella
KR19980063410A (en) * 1997-08-19 1998-10-07 양승택 Telephone with handcuffs for both bone and airway hearing
JP3623127B2 (en) * 1998-12-25 2005-02-23 松下電器産業株式会社 Headphone device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013992A (en) * 1976-01-28 1977-03-22 The United States Of America As Represented By The Secretary Of The Navy Diver's piezoelectric microphone with integral agc preamplifier
FR2448817A1 (en) * 1979-02-08 1980-09-05 Kauffmann Paulette Capsule which contains perfumed disinfectant - resiliently clips over mouthpiece or earpiece of telephone and gives protection against microbes
DE3023155A1 (en) * 1980-06-20 1982-01-07 Telemit Electronic GmbH, 8000 München Piezoelectric contact microphone - has contact area supporting and operating stressed piezo pillar under its elasticised lower retaining flange diaphragm
US4607383A (en) * 1983-08-18 1986-08-19 Gentex Corporation Throat microphone
US4591668A (en) * 1984-05-08 1986-05-27 Iwata Electric Co., Ltd. Vibration-detecting type microphone
FR2581496B1 (en) * 1985-05-02 1987-06-26 Silec Liaisons Elec MICROPHONE CONTACT SENSOR WITH PIEZO POLYMER MEMBRANE

Also Published As

Publication number Publication date
EP0334219A3 (en) 1991-04-03
IL89655A0 (en) 1989-09-28
AU3156389A (en) 1989-09-21
EP0334219A2 (en) 1989-09-27
IT8819873A0 (en) 1988-03-21
IT1218059B (en) 1990-04-12

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