IT965841B - Microfono direzionale per apparecchi acustici di piccole dimensioni a cuffia - Google Patents

Microfono direzionale per apparecchi acustici di piccole dimensioni a cuffia

Info

Publication number
IT965841B
IT965841B IT51028/72A IT5102872A IT965841B IT 965841 B IT965841 B IT 965841B IT 51028/72 A IT51028/72 A IT 51028/72A IT 5102872 A IT5102872 A IT 5102872A IT 965841 B IT965841 B IT 965841B
Authority
IT
Italy
Prior art keywords
headphones
hearing aids
directional microphone
small hearing
small
Prior art date
Application number
IT51028/72A
Other languages
English (en)
Italian (it)
Original Assignee
Willco Gmbh
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 Willco Gmbh filed Critical Willco Gmbh
Application granted granted Critical
Publication of IT965841B publication Critical patent/IT965841B/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Building Environments (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Steroid Compounds (AREA)
IT51028/72A 1971-06-22 1972-06-20 Microfono direzionale per apparecchi acustici di piccole dimensioni a cuffia IT965841B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2130887 1971-06-22

Publications (1)

Publication Number Publication Date
IT965841B true IT965841B (it) 1974-02-11

Family

ID=5811444

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51028/72A IT965841B (it) 1971-06-22 1972-06-20 Microfono direzionale per apparecchi acustici di piccole dimensioni a cuffia

Country Status (8)

Country Link
BE (1) BE784997A (enrdf_load_stackoverflow)
CH (1) CH547048A (enrdf_load_stackoverflow)
DE (1) DE2130887B1 (enrdf_load_stackoverflow)
ES (1) ES404091A1 (enrdf_load_stackoverflow)
FR (1) FR2143320A1 (enrdf_load_stackoverflow)
IT (1) IT965841B (enrdf_load_stackoverflow)
NL (1) NL7208049A (enrdf_load_stackoverflow)
NO (1) NO130256B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531299B1 (fr) * 1982-08-02 1986-07-18 Depaepe Sa Henri Transducteur acousto-electrique, notamment pour microphone piezoelectrique
DE3807251A1 (de) * 1988-03-05 1989-09-14 Sennheiser Electronic Kapazitiver schallwandler

Also Published As

Publication number Publication date
ES404091A1 (es) 1975-05-16
NO130256B (enrdf_load_stackoverflow) 1974-07-29
DE2130887B1 (de) 1972-09-07
NL7208049A (enrdf_load_stackoverflow) 1972-12-28
BE784997A (fr) 1972-10-16
CH547048A (de) 1974-03-15
FR2143320A1 (enrdf_load_stackoverflow) 1973-02-02

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