GB1264176A - - Google Patents

Info

Publication number
GB1264176A
GB1264176A GB1158369A GB1158369A GB1264176A GB 1264176 A GB1264176 A GB 1264176A GB 1158369 A GB1158369 A GB 1158369A GB 1158369 A GB1158369 A GB 1158369A GB 1264176 A GB1264176 A GB 1264176A
Authority
GB
United Kingdom
Prior art keywords
signal
sound signals
electrical
deaf
voice frequency
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
GB1158369A
Other languages
English (en)
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 filed Critical
Publication of GB1264176A publication Critical patent/GB1264176A/en
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
    • H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
    • H04R25/353—Frequency, e.g. frequency 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)
  • Electrotherapy Devices (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Prostheses (AREA)
GB1158369A 1968-03-29 1969-03-05 Expired GB1264176A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1455068 1968-03-29

Publications (1)

Publication Number Publication Date
GB1264176A true GB1264176A (ja) 1972-02-16

Family

ID=11145216

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1158369A Expired GB1264176A (ja) 1968-03-29 1969-03-05

Country Status (6)

Country Link
BE (1) BE729308A (ja)
DE (1) DE1915696B2 (ja)
FR (1) FR2005003A1 (ja)
GB (1) GB1264176A (ja)
IL (1) IL31740A (ja)
NL (1) NL6903859A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224413A (en) * 1988-10-28 1990-05-02 Andrew David Patrick Godfrey Electronic hearing aid
WO2001015326A2 (en) * 1999-08-20 2001-03-01 Glp Partnership Amplitude range matching system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224413A (en) * 1988-10-28 1990-05-02 Andrew David Patrick Godfrey Electronic hearing aid
GB2224413B (en) * 1988-10-28 1993-01-13 Andrew David Patrick Godfrey Electronic hearing aid
WO2001015326A2 (en) * 1999-08-20 2001-03-01 Glp Partnership Amplitude range matching system
WO2001015326A3 (en) * 1999-08-20 2001-10-11 Glp Partnership Amplitude range matching system

Also Published As

Publication number Publication date
IL31740A0 (en) 1969-05-28
NL6903859A (ja) 1969-10-01
BE729308A (ja) 1969-08-18
FR2005003A1 (ja) 1969-12-05
DE1915696A1 (de) 1969-10-09
IL31740A (en) 1972-09-28
DE1915696B2 (de) 1971-12-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees