GB8509750D0 - Active tone controls for hearing aids - Google Patents

Active tone controls for hearing aids

Info

Publication number
GB8509750D0
GB8509750D0 GB858509750A GB8509750A GB8509750D0 GB 8509750 D0 GB8509750 D0 GB 8509750D0 GB 858509750 A GB858509750 A GB 858509750A GB 8509750 A GB8509750 A GB 8509750A GB 8509750 D0 GB8509750 D0 GB 8509750D0
Authority
GB
United Kingdom
Prior art keywords
hearing aids
tone controls
active tone
active
controls
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.)
Granted
Application number
GB858509750A
Other versions
GB2157917A (en
GB2157917B (en
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.)
Viennatone GmbH
Original Assignee
Viennatone GmbH
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 Viennatone GmbH filed Critical Viennatone GmbH
Publication of GB8509750D0 publication Critical patent/GB8509750D0/en
Publication of GB2157917A publication Critical patent/GB2157917A/en
Application granted granted Critical
Publication of GB2157917B publication Critical patent/GB2157917B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/02—Manually-operated control
    • H03G5/04—Manually-operated control in untuned amplifiers
    • H03G5/10—Manually-operated control in untuned amplifiers having semiconductor devices
    • 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)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
GB08509750A 1984-04-16 1985-04-16 Active tone controls for hearing aids Expired GB2157917B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT127084A AT379724B (en) 1984-04-16 1984-04-16 ACTIVE SOUND PANEL FOR HOERAGE DEVICES

Publications (3)

Publication Number Publication Date
GB8509750D0 true GB8509750D0 (en) 1985-05-22
GB2157917A GB2157917A (en) 1985-10-30
GB2157917B GB2157917B (en) 1987-05-07

Family

ID=3510245

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08509750A Expired GB2157917B (en) 1984-04-16 1985-04-16 Active tone controls for hearing aids

Country Status (6)

Country Link
JP (1) JPS60233917A (en)
AT (1) AT379724B (en)
CH (1) CH668153A5 (en)
DE (1) DE3513197A1 (en)
DK (1) DK164345C (en)
GB (1) GB2157917B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4689819B1 (en) * 1983-12-08 1996-08-13 Knowles Electronics Inc Class D hearing aid amplifier
EP0349835B1 (en) * 1988-07-04 1993-11-10 Siemens Audiologische Technik GmbH Hearing aid
EP1016318A1 (en) * 1998-07-02 2000-07-05 Beltone Netherlands B.V. Hearing instrument

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5344908Y2 (en) * 1973-10-26 1978-10-27
DE2360779C3 (en) * 1973-12-06 1979-12-13 Braun Ag, 6000 Frankfurt Active tone control
DE2931482A1 (en) * 1979-08-03 1981-02-19 Bosch Gmbh Robert TUNABLE ACTIVE HIGH-PASS FILTER FOR HOUR DEVICES
DE3113666A1 (en) * 1981-04-04 1982-10-21 Robert Bosch Gmbh, 7000 Stuttgart Hearing aid with a high-gain, multistage transistor amplifier

Also Published As

Publication number Publication date
JPS60233917A (en) 1985-11-20
GB2157917A (en) 1985-10-30
GB2157917B (en) 1987-05-07
DK164345C (en) 1992-11-02
DE3513197C2 (en) 1992-05-14
DE3513197A1 (en) 1985-11-07
AT379724B (en) 1986-02-25
ATA127084A (en) 1985-06-15
DK171785A (en) 1985-10-17
CH668153A5 (en) 1988-11-30
DK164345B (en) 1992-06-09
DK171785D0 (en) 1985-04-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980416