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
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)
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)
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 |
-
1969
- 1969-03-04 FR FR6905872A patent/FR2005003A1/fr not_active Withdrawn
- 1969-03-04 BE BE729308A patent/BE729308A/xx unknown
- 1969-03-05 GB GB1158369A patent/GB1264176A/en not_active Expired
- 1969-03-06 IL IL31740A patent/IL31740A/en unknown
- 1969-03-13 NL NL6903859A patent/NL6903859A/xx unknown
- 1969-03-27 DE DE19691915696 patent/DE1915696B2/de active Pending
Cited By (4)
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 |