ES340703A1 - Aparato auricular con casco para tardos de oido. - Google Patents

Aparato auricular con casco para tardos de oido.

Info

Publication number
ES340703A1
ES340703A1 ES340703A ES340703A ES340703A1 ES 340703 A1 ES340703 A1 ES 340703A1 ES 340703 A ES340703 A ES 340703A ES 340703 A ES340703 A ES 340703A ES 340703 A1 ES340703 A1 ES 340703A1
Authority
ES
Spain
Prior art keywords
opening
microphone
transducer
diaphragm
facing
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
ES340703A
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 ES340703A1 publication Critical patent/ES340703A1/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
    • H04R25/00—Electric hearing aids
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/402—Arrangements for obtaining a desired directivity characteristic using contructional means
    • 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)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Headphones And Earphones (AREA)
  • Stereophonic Arrangements (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
ES340703A 1966-05-20 1967-05-18 Aparato auricular con casco para tardos de oido. Expired ES340703A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW0041620 1966-05-20

Publications (1)

Publication Number Publication Date
ES340703A1 true ES340703A1 (es) 1968-06-16

Family

ID=7602905

Family Applications (1)

Application Number Title Priority Date Filing Date
ES340703A Expired ES340703A1 (es) 1966-05-20 1967-05-18 Aparato auricular con casco para tardos de oido.

Country Status (6)

Country Link
BE (1) BE698708A (fa)
CH (1) CH474199A (fa)
DE (1) DE1487565B2 (fa)
ES (1) ES340703A1 (fa)
GB (1) GB1181259A (fa)
NL (1) NL153060B (fa)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3770911A (en) * 1972-07-21 1973-11-06 Industrial Research Prod Inc Hearing aid system
DE3921551A1 (de) * 1989-06-30 1991-01-03 Bosch Gmbh Robert Gehaeuse fuer ein hinter dem ohr zu tragendes hoergeraet
DE10260304B3 (de) * 2002-12-20 2004-07-08 Siemens Audiologische Technik Gmbh Hörgerätesystem mit seitenspezifisch ausgebildeten hinter den Ohren tragbaren Hörhilfegeräten

Also Published As

Publication number Publication date
CH474199A (de) 1969-06-15
NL153060B (nl) 1977-04-15
DE1487565A1 (de) 1969-02-06
BE698708A (fa) 1967-11-03
GB1181259A (en) 1970-02-11
DE1487565B2 (de) 1972-10-12
NL6706947A (fa) 1967-11-21

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