GB2363540A - Inductive link couples mobile phone to hearing aid - Google Patents

Inductive link couples mobile phone to hearing aid Download PDF

Info

Publication number
GB2363540A
GB2363540A GB0100982A GB0100982A GB2363540A GB 2363540 A GB2363540 A GB 2363540A GB 0100982 A GB0100982 A GB 0100982A GB 0100982 A GB0100982 A GB 0100982A GB 2363540 A GB2363540 A GB 2363540A
Authority
GB
United Kingdom
Prior art keywords
mobile phone
hearing aid
inductive link
link couples
couples mobile
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.)
Withdrawn
Application number
GB0100982A
Other versions
GB2363540A8 (en
GB0100982D0 (en
Inventor
J R Myers
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.)
A V ELECTRONICS Ltd
HEARING ENHANCEMENT PLC
Original Assignee
A V ELECTRONICS Ltd
HEARING ENHANCEMENT PLC
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 A V ELECTRONICS Ltd, HEARING ENHANCEMENT PLC filed Critical A V ELECTRONICS Ltd
Publication of GB0100982D0 publication Critical patent/GB0100982D0/en
Publication of GB2363540A publication Critical patent/GB2363540A/en
Publication of GB2363540A8 publication Critical patent/GB2363540A8/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use
    • H04M1/6058—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone
    • H04M1/6066—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone including a wireless connection
    • 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
    • H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/554—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)

Abstract

The device enables users of hearing aids to hear a mobile phone by means of an inductive link. The device has a 2.5mm jack plug to connect to a mobile phone, this unit contains the amplifier and is powered by 2 'n' size batteries and has a belt clip for location. Both the phone and the coil cables wind in a recess in the device. The coil assembly has a Velcro back with either a clothing clip or a neck loop fitting.

Description

k 1 . 2363540 LNDUCTIVE ISSION POWER SUPPLY Tffis invention relates to an
inductive trarisrnission power supply.
To use a hearing aid with a mobile phone is at present impossible due to large amounts of feedback and interference. This invention enables the user to receive transmissions clearly without any interference or feedback. This dramatically improves the quality of life for hearing aid users.
The device is designed to enable wearers of hearing aids to be able to hold a conversation on a mobile phone without serious interference. This device is worn on clothing of the person and therefore avoids the need for headsets or attached assemblies. This is acffieved by connecting the inductive device to the mobile phone.
The invention relates to a power supply and amplifier circuit enabling the efficient transformation of audio frequency electrical signals from a telephone to magnetic signals for the purpose of magnetic loop telemetry. The pickup is by means of a hearing aid or magnetic earpiece, which is not part of this claim. It also produces a high level magnetic field by means of a push pull amplifier driving a double wound loop coil.
The invention transforms the telephone audio signal into a magnetic signal.
Figure 1 Sketch showing Microphone & coil layout Figure 2 Sketch of amplifier layout Sketch 3 Sketch of amplifier housing, belt clip, ori/off switch Sketch 4 Explanation of circuit diagram

Claims (2)

  1. The audio signal is received via a connector from the handset via point B and AC coupled via Cl the signal is then divided by RI and R2 then is fed to the amplifier input of IC I pin
  2. 2. The amplified signal is then sent to the coil via points F and G.
    Power is supplied to the circuit via SW1. C2 and C3 stabilise the supply voltage. R3, D 1 and 1C2 are used as a battery low indicator.
GB0100982A 2000-06-16 2001-01-15 Inductive link couples mobile phone to hearing aid Withdrawn GB2363540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0014611A GB0014611D0 (en) 2000-06-16 2000-06-16 Inductive transmission power supply

Publications (3)

Publication Number Publication Date
GB0100982D0 GB0100982D0 (en) 2001-02-28
GB2363540A true GB2363540A (en) 2001-12-19
GB2363540A8 GB2363540A8 (en) 2004-08-02

Family

ID=9893689

Family Applications (3)

Application Number Title Priority Date Filing Date
GB0014611A Ceased GB0014611D0 (en) 2000-06-16 2000-06-16 Inductive transmission power supply
GB0023121A Ceased GB0023121D0 (en) 2000-06-16 2000-09-21 Inductive transmission power supply
GB0100982A Withdrawn GB2363540A (en) 2000-06-16 2001-01-15 Inductive link couples mobile phone to hearing aid

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB0014611A Ceased GB0014611D0 (en) 2000-06-16 2000-06-16 Inductive transmission power supply
GB0023121A Ceased GB0023121D0 (en) 2000-06-16 2000-09-21 Inductive transmission power supply

Country Status (1)

Country Link
GB (3) GB0014611D0 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2379121A (en) * 2001-08-07 2003-02-26 James Edward Aman Hands-free kit with inductive link
WO2008071807A2 (en) * 2008-03-11 2008-06-19 Phonak Ag Telephone to hearing device communication

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996010878A1 (en) * 1994-10-03 1996-04-11 Phonic Ear Incorporated Very low power cordless headset system
WO1996037052A1 (en) * 1995-05-18 1996-11-21 Aura Communications, Inc. Short-range magnetic communication system
EP0789474A2 (en) * 1996-02-08 1997-08-13 Nokia Mobile Phones Ltd. A hands-free arrangement for mobile communication device
US6078825A (en) * 1998-02-20 2000-06-20 Advanced Mobile Solutions, Inc. Modular wireless headset system for hands free talking

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996010878A1 (en) * 1994-10-03 1996-04-11 Phonic Ear Incorporated Very low power cordless headset system
WO1996037052A1 (en) * 1995-05-18 1996-11-21 Aura Communications, Inc. Short-range magnetic communication system
EP0789474A2 (en) * 1996-02-08 1997-08-13 Nokia Mobile Phones Ltd. A hands-free arrangement for mobile communication device
US6078825A (en) * 1998-02-20 2000-06-20 Advanced Mobile Solutions, Inc. Modular wireless headset system for hands free talking

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2379121A (en) * 2001-08-07 2003-02-26 James Edward Aman Hands-free kit with inductive link
WO2008071807A2 (en) * 2008-03-11 2008-06-19 Phonak Ag Telephone to hearing device communication
WO2008071807A3 (en) * 2008-03-11 2009-04-16 Phonak Ag Telephone to hearing device communication
US9071916B2 (en) 2008-03-11 2015-06-30 Phonak Ag Telephone to hearing device communication

Also Published As

Publication number Publication date
GB0014611D0 (en) 2000-08-09
GB2363540A8 (en) 2004-08-02
GB0100982D0 (en) 2001-02-28
GB0023121D0 (en) 2000-11-01

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)