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DE2330082B2 - Hoergeraet - Google Patents

Hoergeraet

Info

Publication number
DE2330082B2
DE2330082B2 DE19732330082 DE2330082A DE2330082B2 DE 2330082 B2 DE2330082 B2 DE 2330082B2 DE 19732330082 DE19732330082 DE 19732330082 DE 2330082 A DE2330082 A DE 2330082A DE 2330082 B2 DE2330082 B2 DE 2330082B2
Authority
DE
Germany
Prior art keywords
hoergeraet
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.)
Granted
Application number
DE19732330082
Other languages
English (en)
Other versions
DE2330082A1 (de
DE2330082C3 (de
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 filed Critical
Publication of DE2330082A1 publication Critical patent/DE2330082A1/de
Publication of DE2330082B2 publication Critical patent/DE2330082B2/de
Application granted granted Critical
Publication of DE2330082C3 publication Critical patent/DE2330082C3/de
Expired legal-status Critical Current

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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • 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; 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
    • H04R1/342—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 for microphones

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)
  • Details Of Valves (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
DE19732330082 1972-07-24 1973-06-13 Hörgerät Expired DE2330082C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27444872A 1972-07-24 1972-07-24
US27444872 1972-07-24

Publications (3)

Publication Number Publication Date
DE2330082A1 DE2330082A1 (de) 1974-02-14
DE2330082B2 true DE2330082B2 (de) 1977-01-13
DE2330082C3 DE2330082C3 (de) 1977-09-01

Family

ID=

Also Published As

Publication number Publication date
IT993616B (it) 1975-09-30
DE2330082A1 (de) 1974-02-14
CH568695A5 (de) 1975-10-31
US3798390A (en) 1974-03-19

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee