DK602174A - - Google Patents
Info
- Publication number
- DK602174A DK602174A DK602174A DK602174A DK602174A DK 602174 A DK602174 A DK 602174A DK 602174 A DK602174 A DK 602174A DK 602174 A DK602174 A DK 602174A DK 602174 A DK602174 A DK 602174A
- Authority
- DK
- Denmark
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
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT975773A AT324460B (en) | 1973-11-21 | 1973-11-21 | HEARING AID CONTROL |
AT975773 | 1973-11-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK602174A true DK602174A (en) | 1975-07-21 |
DK147870B DK147870B (en) | 1984-12-24 |
DK147870C DK147870C (en) | 1985-06-24 |
Family
ID=3616995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK602174A DK147870C (en) | 1973-11-21 | 1974-11-20 | HEARING CONNECTION WITH A MICROPHONE AND A HEADPHONE |
Country Status (6)
Country | Link |
---|---|
US (1) | US3928733A (en) |
AT (1) | AT324460B (en) |
CH (1) | CH580899A5 (en) |
DE (1) | DE2452998C2 (en) |
DK (1) | DK147870C (en) |
GB (1) | GB1452564A (en) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2276756A1 (en) * | 1974-06-24 | 1976-01-23 | Audibel | Automatic level control for microphone amplifier - uses series transistor with its base polarisation varying with output |
FR2416610A2 (en) * | 1978-02-07 | 1979-08-31 | Audibel | Hearing aid signal correction device - has transistor collector-emitter shunt resistor to reduce transfer resistance and increase input signal range |
US4405831A (en) * | 1980-12-22 | 1983-09-20 | The Regents Of The University Of California | Apparatus for selective noise suppression for hearing aids |
US4622440A (en) * | 1984-04-11 | 1986-11-11 | In Tech Systems Corp. | Differential hearing aid with programmable frequency response |
DE3672082D1 (en) * | 1985-10-16 | 1990-07-19 | Siemens Ag | HOERGERAET. |
US4750207A (en) * | 1986-03-31 | 1988-06-07 | Siemens Hearing Instruments, Inc. | Hearing aid noise suppression system |
US4759071A (en) * | 1986-08-14 | 1988-07-19 | Richards Medical Company | Automatic noise eliminator for hearing aids |
US4790018A (en) * | 1987-02-11 | 1988-12-06 | Argosy Electronics | Frequency selection circuit for hearing aids |
AT396045B (en) * | 1987-06-26 | 1993-05-25 | Viennatone Gmbh | HOERGERAET |
GB2211701A (en) * | 1987-10-27 | 1989-07-05 | Kevin Stanley Fuller | An audio frequency sensing switch |
DE3802903A1 (en) * | 1988-02-01 | 1989-08-10 | Siemens Ag | LANGUAGE TRANSFER DEVICE |
US4941179A (en) * | 1988-04-27 | 1990-07-10 | Gn Davavox A/S | Method for the regulation of a hearing aid, a hearing aid and the use thereof |
JP2656306B2 (en) * | 1988-07-05 | 1997-09-24 | 株式会社東芝 | Telephone |
US5111506A (en) * | 1989-03-02 | 1992-05-05 | Ensonig Corporation | Power efficient hearing aid |
CH681188A5 (en) * | 1990-10-30 | 1993-01-29 | Ascom Audiosys Ag | |
US6072885A (en) * | 1994-07-08 | 2000-06-06 | Sonic Innovations, Inc. | Hearing aid device incorporating signal processing techniques |
US8085959B2 (en) | 1994-07-08 | 2011-12-27 | Brigham Young University | Hearing compensation system incorporating signal processing techniques |
US6359992B1 (en) | 1997-02-06 | 2002-03-19 | Micro Ear Technology | Acoustics conditioner |
WO1999065276A1 (en) † | 1998-06-08 | 1999-12-16 | Cochlear Limited | Hearing instrument |
US6212275B1 (en) * | 1998-06-30 | 2001-04-03 | Lucent Technologies, Inc. | Telephone with automatic pause responsive, noise reduction muting and method |
US6480610B1 (en) * | 1999-09-21 | 2002-11-12 | Sonic Innovations, Inc. | Subband acoustic feedback cancellation in hearing aids |
US6757395B1 (en) | 2000-01-12 | 2004-06-29 | Sonic Innovations, Inc. | Noise reduction apparatus and method |
US7139404B2 (en) | 2001-08-10 | 2006-11-21 | Hear-Wear Technologies, Llc | BTE/CIC auditory device and modular connector system therefor |
US20070282392A1 (en) * | 2006-05-30 | 2007-12-06 | Phonak Ag | Method and system for providing hearing assistance to a user |
US8180078B2 (en) * | 2007-12-13 | 2012-05-15 | At&T Intellectual Property I, Lp | Systems and methods employing multiple individual wireless earbuds for a common audio source |
WO2017004259A1 (en) | 2015-06-29 | 2017-01-05 | Hear-Wear Technologies LLC | Transducer modules for auditory communication devices and auditory communication devices |
CN106254999B (en) * | 2016-07-20 | 2019-03-05 | 瑞声声学科技(深圳)有限公司 | Microphone amplifier circuit |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3101081A (en) * | 1960-02-15 | 1963-08-20 | Ile D Etudes Et De Brevets Mot | Apparatus for the conditioning of the auditory lateralization |
-
1973
- 1973-11-21 AT AT975773A patent/AT324460B/en not_active IP Right Cessation
-
1974
- 1974-11-08 DE DE2452998A patent/DE2452998C2/en not_active Expired
- 1974-11-11 CH CH1504374A patent/CH580899A5/xx not_active IP Right Cessation
- 1974-11-15 GB GB4957874A patent/GB1452564A/en not_active Expired
- 1974-11-20 DK DK602174A patent/DK147870C/en not_active IP Right Cessation
- 1974-11-20 US US525552A patent/US3928733A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AT324460B (en) | 1975-09-10 |
DK147870C (en) | 1985-06-24 |
GB1452564A (en) | 1976-10-13 |
CH580899A5 (en) | 1976-10-15 |
DE2452998C2 (en) | 1983-09-01 |
US3928733A (en) | 1975-12-23 |
DK147870B (en) | 1984-12-24 |
DE2452998A1 (en) | 1975-05-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |