JPS5279806A - Hearing-aid - Google Patents

Hearing-aid

Info

Publication number
JPS5279806A
JPS5279806A JP15801675A JP15801675A JPS5279806A JP S5279806 A JPS5279806 A JP S5279806A JP 15801675 A JP15801675 A JP 15801675A JP 15801675 A JP15801675 A JP 15801675A JP S5279806 A JPS5279806 A JP S5279806A
Authority
JP
Japan
Prior art keywords
hearing
aid
preamplifier
piezo
mos
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.)
Pending
Application number
JP15801675A
Other languages
Japanese (ja)
Inventor
Mutsuto Tezuka
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP15801675A priority Critical patent/JPS5279806A/en
Publication of JPS5279806A publication Critical patent/JPS5279806A/en
Pending 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
    • H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
    • H04R25/356—Amplitude, e.g. amplitude shift or compression

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)

Abstract

PURPOSE:To make it possible to use a C-MOS-IC for a hearing aid amplifier by using a piezo-electric transformer for the preamplifier, and decrease current consumption.
JP15801675A 1975-12-26 1975-12-26 Hearing-aid Pending JPS5279806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15801675A JPS5279806A (en) 1975-12-26 1975-12-26 Hearing-aid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15801675A JPS5279806A (en) 1975-12-26 1975-12-26 Hearing-aid

Publications (1)

Publication Number Publication Date
JPS5279806A true JPS5279806A (en) 1977-07-05

Family

ID=15662417

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15801675A Pending JPS5279806A (en) 1975-12-26 1975-12-26 Hearing-aid

Country Status (1)

Country Link
JP (1) JPS5279806A (en)

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