ES404091A1 - Perfeccionamientos introducidos en los microfonos direccio-nales para miniaudiofonos para llevar en la cabeza. - Google Patents

Perfeccionamientos introducidos en los microfonos direccio-nales para miniaudiofonos para llevar en la cabeza.

Info

Publication number
ES404091A1
ES404091A1 ES404091A ES404091A ES404091A1 ES 404091 A1 ES404091 A1 ES 404091A1 ES 404091 A ES404091 A ES 404091A ES 404091 A ES404091 A ES 404091A ES 404091 A1 ES404091 A1 ES 404091A1
Authority
ES
Spain
Prior art keywords
box
mini
wear
head
directional microphones
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES404091A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Willco Hörgeräte Medizinische Apparatebau GmbH
Original Assignee
Willco Hörgeräte Medizinische Apparatebau 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 Hörgeräte Medizinische Apparatebau GmbH filed Critical Willco Hörgeräte Medizinische Apparatebau GmbH
Publication of ES404091A1 publication Critical patent/ES404091A1/es
Expired legal-status Critical Current

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
    • 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)
  • Steroid Compounds (AREA)
  • Building Environments (AREA)
ES404091A 1971-06-22 1972-06-21 Perfeccionamientos introducidos en los microfonos direccio-nales para miniaudiofonos para llevar en la cabeza. Expired ES404091A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES404091A1 true ES404091A1 (es) 1975-05-16

Family

ID=5811444

Family Applications (1)

Application Number Title Priority Date Filing Date
ES404091A Expired ES404091A1 (es) 1971-06-22 1972-06-21 Perfeccionamientos introducidos en los microfonos direccio-nales para miniaudiofonos para llevar en la cabeza.

Country Status (8)

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

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
IT965841B (it) 1974-02-11
NL7208049A (https=) 1972-12-28
DE2130887B1 (de) 1972-09-07
BE784997A (fr) 1972-10-16
NO130256B (https=) 1974-07-29
CH547048A (de) 1974-03-15
FR2143320A1 (https=) 1973-02-02

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