FR2571580B1 - Dispositif de reglage de niveau sonore - Google Patents

Dispositif de reglage de niveau sonore

Info

Publication number
FR2571580B1
FR2571580B1 FR8415858A FR8415858A FR2571580B1 FR 2571580 B1 FR2571580 B1 FR 2571580B1 FR 8415858 A FR8415858 A FR 8415858A FR 8415858 A FR8415858 A FR 8415858A FR 2571580 B1 FR2571580 B1 FR 2571580B1
Authority
FR
France
Prior art keywords
adjusting device
sound level
level adjusting
sound
level
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
FR8415858A
Other languages
English (en)
Other versions
FR2571580A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8415858A priority Critical patent/FR2571580B1/fr
Publication of FR2571580A1 publication Critical patent/FR2571580A1/fr
Application granted granted Critical
Publication of FR2571580B1 publication Critical patent/FR2571580B1/fr
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
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/502—Customised settings for obtaining desired overall acoustical characteristics using analog signal processing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
FR8415858A 1984-10-09 1984-10-09 Dispositif de reglage de niveau sonore Expired FR2571580B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8415858A FR2571580B1 (fr) 1984-10-09 1984-10-09 Dispositif de reglage de niveau sonore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8415858A FR2571580B1 (fr) 1984-10-09 1984-10-09 Dispositif de reglage de niveau sonore

Publications (2)

Publication Number Publication Date
FR2571580A1 FR2571580A1 (fr) 1986-04-11
FR2571580B1 true FR2571580B1 (fr) 1989-01-13

Family

ID=9308707

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8415858A Expired FR2571580B1 (fr) 1984-10-09 1984-10-09 Dispositif de reglage de niveau sonore

Country Status (1)

Country Link
FR (1) FR2571580B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4837832A (en) * 1987-10-20 1989-06-06 Sol Fanshel Electronic hearing aid with gain control means for eliminating low frequency noise
US5014319A (en) * 1988-02-15 1991-05-07 Avr Communications Ltd. Frequency transposing hearing aid

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3394226A (en) * 1963-08-19 1968-07-23 Daniel E. Andrews Jr. Special purpose hearing aid
US3920931A (en) * 1974-09-25 1975-11-18 Jr Paul Yanick Hearing aid amplifiers employing selective gain control circuits
US4409435A (en) * 1980-10-03 1983-10-11 Gen Engineering Co., Ltd. Hearing aid suitable for use under noisy circumstance
US4405831A (en) * 1980-12-22 1983-09-20 The Regents Of The University Of California Apparatus for selective noise suppression for hearing aids

Also Published As

Publication number Publication date
FR2571580A1 (fr) 1986-04-11

Similar Documents

Publication Publication Date Title
BE887261A (fr) Dispositif scarificateur
FR2568548B1 (fr) Dispositif distributeur
FR2474721B1 (fr) Dispositif de memoire d'antememoire
DE58902531D1 (de) Fuellstandsmessgeraet.
FR2535602B1 (fr) Dispositif scarificateur
BR8105660A (pt) Estrutura de terra ancorada
FR2562353B1 (fr) Dispositif electro-acoustique
AT397709B (de) Zugbegrenzungseinrichtung
ATA251082A (de) Verstellvorrichtung
FR2572246B1 (fr) Dispositif de fauchage
FR2569866B1 (fr) Dispositif de projection
FR2539188B1 (fr) Dispositif de percussion
FR2542878B1 (fr) Dispositif de balayage
NO861744L (no) Nivaa-justeringsanordning.
FR2545188B1 (fr) Dispositif de raccordement teledemontable
FR2573253B1 (fr) Dispositif de connexion
FR2622114B1 (fr) Dispositif de liposuccion
FR2571580B1 (fr) Dispositif de reglage de niveau sonore
FR2561825B1 (fr) Dispositif de connexion auto-denudan
FR2494791B1 (fr) Dispositif de raccordement reglable
FR2505956B2 (fr) Dispositif de suspension perfectionne
ATA357881A (de) Einstellvorrichtung
FR2540433B1 (fr) Dispositif
FR2570834B1 (fr) Dispositif acoustique de restitution de trajectoire
FR2498443B2 (fr) Dispositif scarificateur

Legal Events

Date Code Title Description
ST Notification of lapse