SU559468A1 - Sound amplifying device for hearing impaired people - Google Patents

Sound amplifying device for hearing impaired people

Info

Publication number
SU559468A1
SU559468A1 SU2181408A SU2181408A SU559468A1 SU 559468 A1 SU559468 A1 SU 559468A1 SU 2181408 A SU2181408 A SU 2181408A SU 2181408 A SU2181408 A SU 2181408A SU 559468 A1 SU559468 A1 SU 559468A1
Authority
SU
USSR - Soviet Union
Prior art keywords
amplifying device
hearing impaired
impaired people
sound amplifying
hearing
Prior art date
Application number
SU2181408A
Other languages
Russian (ru)
Inventor
Юрий Павлович Жилинский
Александр Леонидович Левин
Original Assignee
Северо-Западный Заочный Политехнический Институт
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 Северо-Западный Заочный Политехнический Институт filed Critical Северо-Западный Заочный Политехнический Институт
Priority to SU2181408A priority Critical patent/SU559468A1/en
Application granted granted Critical
Publication of SU559468A1 publication Critical patent/SU559468A1/en

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  • Amplifiers (AREA)
  • Medical Treatment And Welfare Office Work (AREA)

Description

Предлагаемый аппарат состоит из чешрех элементов, прост в изготоьлении и дешев. Он имеет малые размеры и при пользовании практически невидим. Аппарат проств эксплуатаиди, не требует использовани  источшка питани  и имеет нес -раниченное врем  непрерывной работы.The proposed apparatus consists of stock elements, is simple to manufacture and cheap. It is small and practically invisible when used. The device is simple to operate, does not require the use of a power source and has an unlimited time of continuous operation.

Предлагаемый аппарат не требует длл изготовлени  сложного оборудова ш , и его изготовление может быть налажено в любой медицинской организашш .The proposed apparatus does not require the manufacture of complex equipment, and its manufacture can be arranged in any medical organization.

Claims (3)

1. Патент Швейцарии № 528198, М. Кл Н 04 R 25/02.1. Swiss Patent No. 528198, M. Cl. H 04 R 25/02. 2.Патент США N 3.594.514, кл. 179407.2. US patent N 3.594.514, cl. 179407. 3.Велнцкий А.П. Слухопротезирование, ЛВЦ ВОГ, Л., 1974, с. 4.3.Velntsky A.P. Hearing, LVC VOG, L., 1974, p. four.
SU2181408A 1975-10-13 1975-10-13 Sound amplifying device for hearing impaired people SU559468A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU2181408A SU559468A1 (en) 1975-10-13 1975-10-13 Sound amplifying device for hearing impaired people

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU2181408A SU559468A1 (en) 1975-10-13 1975-10-13 Sound amplifying device for hearing impaired people

Publications (1)

Publication Number Publication Date
SU559468A1 true SU559468A1 (en) 1977-05-25

Family

ID=20634675

Family Applications (1)

Application Number Title Priority Date Filing Date
SU2181408A SU559468A1 (en) 1975-10-13 1975-10-13 Sound amplifying device for hearing impaired people

Country Status (1)

Country Link
SU (1) SU559468A1 (en)

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