FR1513655A - Dispositifs aidant l'audition - Google Patents

Dispositifs aidant l'audition

Info

Publication number
FR1513655A
FR1513655A FR92476A FR92476A FR1513655A FR 1513655 A FR1513655 A FR 1513655A FR 92476 A FR92476 A FR 92476A FR 92476 A FR92476 A FR 92476A FR 1513655 A FR1513655 A FR 1513655A
Authority
FR
France
Prior art keywords
devices
aid hearing
hearing
aid
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
FR92476A
Other languages
English (en)
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.)
Royal Industries Inc
Original Assignee
Royal Industries Inc
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 Royal Industries Inc filed Critical Royal Industries Inc
Application granted granted Critical
Publication of FR1513655A publication Critical patent/FR1513655A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G7/00Volume compression or expansion in amplifiers
    • H03G7/06Volume compression or expansion in amplifiers having semiconductor devices
    • H03G7/08Volume compression or expansion in amplifiers having semiconductor devices incorporating negative feedback
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G7/00Volume compression or expansion in amplifiers
    • H03G7/001Volume compression or expansion in amplifiers without controlling loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/35Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
    • H04R25/356Amplitude, e.g. amplitude shift or compression
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/50Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/502Customised settings for obtaining desired overall acoustical characteristics using analog signal processing

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
FR92476A 1966-02-21 1967-01-25 Dispositifs aidant l'audition Expired FR1513655A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52907466A 1966-02-21 1966-02-21

Publications (1)

Publication Number Publication Date
FR1513655A true FR1513655A (fr) 1968-02-16

Family

ID=24108421

Family Applications (1)

Application Number Title Priority Date Filing Date
FR92476A Expired FR1513655A (fr) 1966-02-21 1967-01-25 Dispositifs aidant l'audition

Country Status (3)

Country Link
DE (1) DE1487399A1 (fr)
FR (1) FR1513655A (fr)
GB (1) GB1161002A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE793740A (fr) * 1972-01-08 1973-05-02 Akai Electric Systeme d'enregistrement magnetique
FR2276756A1 (fr) * 1974-06-24 1976-01-23 Audibel Perfectionnement aux appareils de correction auditive
FR2416610A2 (fr) * 1978-02-07 1979-08-31 Audibel Perfectionnement aux appareils de correction auditive
GB2152785B (en) * 1982-05-28 1986-02-26 British Broadcasting Corp Headphone level protection circuit
GB2224413B (en) * 1988-10-28 1993-01-13 Andrew David Patrick Godfrey Electronic hearing aid
DK0392312T3 (da) * 1989-04-14 1994-10-24 Siemens Audiologische Technik Udgangsforstærker til høreapparater

Also Published As

Publication number Publication date
DE1487399A1 (de) 1969-04-03
GB1161002A (en) 1969-08-13

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