BE784997A - Microphone a effets directifs pour appareils acoustiques de petites dimensions, a porter par la tete - Google Patents

Microphone a effets directifs pour appareils acoustiques de petites dimensions, a porter par la tete

Info

Publication number
BE784997A
BE784997A BE784997A BE784997A BE784997A BE 784997 A BE784997 A BE 784997A BE 784997 A BE784997 A BE 784997A BE 784997 A BE784997 A BE 784997A BE 784997 A BE784997 A BE 784997A
Authority
BE
Belgium
Prior art keywords
microphone
head
carried
small size
acoustic devices
Prior art date
Application number
BE784997A
Other languages
English (en)
French (fr)
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
Publication of BE784997A publication Critical patent/BE784997A/xx

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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Building Environments (AREA)
  • Steroid Compounds (AREA)
BE784997A 1971-06-22 1972-06-16 Microphone a effets directifs pour appareils acoustiques de petites dimensions, a porter par la tete BE784997A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE784997A true BE784997A (fr) 1972-10-16

Family

ID=5811444

Family Applications (1)

Application Number Title Priority Date Filing Date
BE784997A BE784997A (fr) 1971-06-22 1972-06-16 Microphone a effets directifs pour appareils acoustiques de petites dimensions, a porter par la tete

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
NL7208049A (enrdf_load_stackoverflow) 1972-12-28
FR2143320A1 (enrdf_load_stackoverflow) 1973-02-02
ES404091A1 (es) 1975-05-16
NO130256B (enrdf_load_stackoverflow) 1974-07-29
DE2130887B1 (de) 1972-09-07
IT965841B (it) 1974-02-11
CH547048A (de) 1974-03-15

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