SE370484B - - Google Patents

Info

Publication number
SE370484B
SE370484B SE458670A SE458670A SE370484B SE 370484 B SE370484 B SE 370484B SE 458670 A SE458670 A SE 458670A SE 458670 A SE458670 A SE 458670A SE 370484 B SE370484 B SE 370484B
Authority
SE
Sweden
Application number
SE458670A
Inventor
K Schoeps
Original Assignee
K Schoeps
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 K Schoeps filed Critical K Schoeps
Publication of SE370484B publication Critical patent/SE370484B/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
    • 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
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • 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
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/456—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback mechanically

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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
SE458670A 1969-07-29 1970-04-03 SE370484B (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691938435 DE1938435B2 (de) 1969-07-29 1969-07-29 Hörgerät

Publications (1)

Publication Number Publication Date
SE370484B true SE370484B (enrdf_load_stackoverflow) 1974-10-14

Family

ID=5741216

Family Applications (1)

Application Number Title Priority Date Filing Date
SE458670A SE370484B (enrdf_load_stackoverflow) 1969-07-29 1970-04-03

Country Status (6)

Country Link
CH (1) CH532876A (enrdf_load_stackoverflow)
DE (1) DE1938435B2 (enrdf_load_stackoverflow)
FR (1) FR2053232B1 (enrdf_load_stackoverflow)
GB (1) GB1296137A (enrdf_load_stackoverflow)
NL (1) NL7004267A (enrdf_load_stackoverflow)
SE (1) SE370484B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407815B (de) * 1990-07-13 2001-06-25 Viennatone Gmbh Hörgerät
CH681411A5 (enrdf_load_stackoverflow) * 1991-02-20 1993-03-15 Phonak Ag
US5524056A (en) 1993-04-13 1996-06-04 Etymotic Research, Inc. Hearing aid having plural microphones and a microphone switching system

Also Published As

Publication number Publication date
FR2053232B1 (enrdf_load_stackoverflow) 1976-09-24
FR2053232A1 (enrdf_load_stackoverflow) 1971-04-16
DE1938435B2 (de) 1974-05-02
CH532876A (de) 1973-01-15
NL7004267A (enrdf_load_stackoverflow) 1971-02-02
GB1296137A (enrdf_load_stackoverflow) 1972-11-15
DE1938435A1 (de) 1971-02-11

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