IT1007012B - Apparecchio per ascolto multiplo specie per l addestramento di per sone deboli di udito - Google Patents

Apparecchio per ascolto multiplo specie per l addestramento di per sone deboli di udito

Info

Publication number
IT1007012B
IT1007012B IT1964974A IT1964974A IT1007012B IT 1007012 B IT1007012 B IT 1007012B IT 1964974 A IT1964974 A IT 1964974A IT 1964974 A IT1964974 A IT 1964974A IT 1007012 B IT1007012 B IT 1007012B
Authority
IT
Italy
Prior art keywords
training
species
equipment
multiple listening
hearing
Prior art date
Application number
IT1964974A
Other languages
English (en)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1007012B publication Critical patent/IT1007012B/it

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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
    • G09B21/009—Teaching or communicating with deaf persons
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
    • 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
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Educational Technology (AREA)
  • Business, Economics & Management (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Educational Administration (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
IT1964974A 1973-01-26 1974-01-21 Apparecchio per ascolto multiplo specie per l addestramento di per sone deboli di udito IT1007012B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732303843 DE2303843B2 (de) 1973-01-26 1973-01-26 Vielfachhoergeraet

Publications (1)

Publication Number Publication Date
IT1007012B true IT1007012B (it) 1976-10-30

Family

ID=5870056

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1964974A IT1007012B (it) 1973-01-26 1974-01-21 Apparecchio per ascolto multiplo specie per l addestramento di per sone deboli di udito

Country Status (4)

Country Link
DE (1) DE2303843B2 (it)
FR (1) FR2215771A1 (it)
IT (1) IT1007012B (it)
NL (1) NL7313185A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2605453C3 (de) * 1976-02-12 1978-12-14 Philips Patentverwaltung Gmbh, 2000 Hamburg Verstärkereinrichtung für Schwerhörigenschulung
DE2625922C3 (de) * 1976-06-10 1981-04-02 Matth. Hohner Ag, 7218 Trossingen Wiedergabeverstärker für Instrumentalisten, Sänger und Orchester

Also Published As

Publication number Publication date
DE2303843A1 (de) 1974-08-08
NL7313185A (it) 1974-07-30
DE2303843B2 (de) 1976-10-21
FR2215771A1 (it) 1974-08-23

Similar Documents

Publication Publication Date Title
SE400012B (sv) Hogtalare
NL7600177A (nl) Luidsprekerstelsel.
NL7411351A (nl) Luidsprekerkast en stereofonisch luidspreker- stelsel.
AT324460B (de) Hörgerateschaltung
IT969676B (it) Amplificatore di corrente
SE391625B (sv) Hogtalarsystem
AT332919B (de) Lautsprecher
DK144192C (da) Afstivningsudstyr til isaer ledningsgrave
IT973203B (it) Apparecchiatura per l umidificazio ne di particelle
BR7402726D0 (pt) Amplificador de corrente
CA942703A (en) Animal milking apparatus
IT1019817B (it) Amplificatore di corrente
IT1001715B (it) Apparecchiatura e metodo per la correzione equilibrata di pneu matici
IT1010862B (it) Connettore per trasformatori di corrente
IT1015347B (it) Amplificatore di corrente
CA1004173A (en) Equipment for milking parlours
IT1008269B (it) Apparecchiatura e procedimento di riproduzione xerografic
IT1015633B (it) Altoparlante
NL166300C (nl) Paalverbinding.
IT1007012B (it) Apparecchio per ascolto multiplo specie per l addestramento di per sone deboli di udito
CA977778A (en) Intermediates for biologically active ketones
IT987974B (it) Apparecchiatura per l alimenta zione di flange
CA1035211A (en) Animal cage
IT1046794B (it) Dispersioni fungicide
CH532876A (de) Hörgerät