DE3917548A1 - Abnahmevorrichtung fuer einen hoerfrequenten strom - Google Patents

Abnahmevorrichtung fuer einen hoerfrequenten strom

Info

Publication number
DE3917548A1
DE3917548A1 DE3917548A DE3917548A DE3917548A1 DE 3917548 A1 DE3917548 A1 DE 3917548A1 DE 3917548 A DE3917548 A DE 3917548A DE 3917548 A DE3917548 A DE 3917548A DE 3917548 A1 DE3917548 A1 DE 3917548A1
Authority
DE
Germany
Prior art keywords
induction coil
signal
magnetic
magnetic induction
output signal
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.)
Ceased
Application number
DE3917548A
Other languages
German (de)
English (en)
Inventor
Yozo Marutake
Tatsuro Fukutome
Motomu Asami
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.)
Rion Co Ltd
Original Assignee
Rion Co Ltd
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 Rion Co Ltd filed Critical Rion Co Ltd
Publication of DE3917548A1 publication Critical patent/DE3917548A1/de
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/55—Electric hearing aids using an external connection, either wireless or wired
    • H04R25/554—Electric hearing aids using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
    • H04M1/215—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads by non-intrusive coupling means, e.g. acoustic couplers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/502—Customised settings for obtaining desired overall acoustical characteristics using analog signal processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/51—Aspects of antennas or their circuitry in or for hearing aids

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)
  • Near-Field Transmission Systems (AREA)
DE3917548A 1988-05-30 1989-05-30 Abnahmevorrichtung fuer einen hoerfrequenten strom Ceased DE3917548A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63134085A JPH01300748A (ja) 1988-05-30 1988-05-30 受話装置

Publications (1)

Publication Number Publication Date
DE3917548A1 true DE3917548A1 (de) 1989-12-07

Family

ID=15120061

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3917548A Ceased DE3917548A1 (de) 1988-05-30 1989-05-30 Abnahmevorrichtung fuer einen hoerfrequenten strom

Country Status (3)

Country Link
US (1) US5010575A (https=)
JP (1) JPH01300748A (https=)
DE (1) DE3917548A1 (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4033673A1 (de) * 1990-10-23 1992-04-30 Max Prell Drahtloses alarm-/kommunikationssystem fuer schwerhoerige
DE19712236C1 (de) * 1997-03-24 1998-10-22 Siemens Audiologische Technik Hörgerät mit Hörspule sowie Verfahren zur Reduzierung magnetischer Störfelder in einem Hörgerät
DE19809567A1 (de) * 1998-03-05 1999-09-23 Siemens Audiologische Technik Hörgerät sowie Verfahren zur Unterdrückung magnetischer Störfelder
DE19854201A1 (de) * 1998-11-24 2000-06-21 Siemens Audiologische Technik Hörhilfegerät mit Induktionsspule sowie Verfahren zur Reduzierung magnetischer Störfelder

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5086464A (en) * 1990-03-05 1992-02-04 Artic Elements, Inc. Telephone headset for the hearing impaired
US5101435A (en) * 1990-11-08 1992-03-31 Knowles Electronics, Inc. Combined microphone and magnetic induction pickup system
US5706352A (en) * 1993-04-07 1998-01-06 K/S Himpp Adaptive gain and filtering circuit for a sound reproduction system
GB2279536B (en) * 1993-06-19 1997-01-29 Coal Ind Electronic apparatus and methods for electromagnetic communications
US5557673A (en) * 1994-10-25 1996-09-17 Avr Communications, Ltd. Auditory assistance apparatus and method
AU7729996A (en) * 1995-11-20 1997-06-11 Resound Corporation An apparatus and method for monitoring magnetic audio systems
US6157728A (en) * 1996-05-25 2000-12-05 Multitech Products (Pte) Ltd. Universal self-attaching inductive coupling unit for connecting hearing instrument to peripheral electronic devices
US5740257A (en) * 1996-12-19 1998-04-14 Lucent Technologies Inc. Active noise control earpiece being compatible with magnetic coupled hearing aids
US6925179B2 (en) 2000-04-07 2005-08-02 New World Sounds, Inc. Method and apparatus for a hearing aid coupling system
US7248713B2 (en) * 2000-09-11 2007-07-24 Micro Bar Technology, Inc. Integrated automatic telephone switch
US6760457B1 (en) * 2000-09-11 2004-07-06 Micro Ear Technology, Inc. Automatic telephone switch for hearing aid
US6479738B1 (en) 2001-06-27 2002-11-12 Donald A. Gilmore Piano tuner
US6559369B1 (en) 2002-01-14 2003-05-06 Donald A. Gilmore Apparatus and method for self-tuning a piano
US8014552B2 (en) * 2002-04-12 2011-09-06 Able Blanet, Incorporated Apparatus for communication coupling with a hearing aid
US7447325B2 (en) * 2002-09-12 2008-11-04 Micro Ear Technology, Inc. System and method for selectively coupling hearing aids to electromagnetic signals
US7369671B2 (en) * 2002-09-16 2008-05-06 Starkey, Laboratories, Inc. Switching structures for hearing aid
US8284970B2 (en) * 2002-09-16 2012-10-09 Starkey Laboratories Inc. Switching structures for hearing aid
US20040252855A1 (en) * 2003-06-16 2004-12-16 Remir Vasserman Hearing aid
US8041066B2 (en) * 2007-01-03 2011-10-18 Starkey Laboratories, Inc. Wireless system for hearing communication devices providing wireless stereo reception modes
US9774961B2 (en) 2005-06-05 2017-09-26 Starkey Laboratories, Inc. Hearing assistance device ear-to-ear communication using an intermediate device
US8208642B2 (en) 2006-07-10 2012-06-26 Starkey Laboratories, Inc. Method and apparatus for a binaural hearing assistance system using monaural audio signals
US20090136052A1 (en) * 2007-11-27 2009-05-28 David Clark Company Incorporated Active Noise Cancellation Using a Predictive Approach
US8213657B2 (en) * 2008-06-30 2012-07-03 Nokia Corporation Apparatus for providing audio related signals for audio loops and associated methods
US9420385B2 (en) 2009-12-21 2016-08-16 Starkey Laboratories, Inc. Low power intermittent messaging for hearing assistance devices
TWI482389B (zh) * 2013-03-01 2015-04-21 Luxx Lighting Technology Taiwan Ltd 以感應耦合方式傳送電能的電能傳送系統、及其發送裝置與接收裝置
US10003379B2 (en) 2014-05-06 2018-06-19 Starkey Laboratories, Inc. Wireless communication with probing bandwidth

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62193329A (ja) * 1986-02-19 1987-08-25 Nippon Telegr & Teleph Corp <Ntt> 通信装置等と通信コ−ドとの結合方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2048604A (en) * 1936-02-26 1936-07-21 William G H Finch Electromagnetic coupling device
US3472943A (en) * 1965-10-15 1969-10-14 Nippon Musical Instruments Mfg Pickup and circuit for stringed musical instrument
US3649737A (en) * 1970-02-12 1972-03-14 Oliver Jespersen Electric vibraphone
DE2138612C3 (de) * 1971-08-02 1980-06-19 Deutsche Itt Industries Gmbh, 7800 Freiburg Schaltungsanordnung zur Messung der Geschwindigkeitsänderung oder sich rasch ändernder Momentanwerte der Geschwindigkeit rotierend oder gradlinig bewegter Körper
US4096780A (en) * 1976-12-23 1978-06-27 Lorna Ann Dawson Stereophonic electromagnetic pickup device for stringed musical instruments
JPS53137715U (https=) * 1977-04-06 1978-10-31
US4348930A (en) * 1980-01-25 1982-09-14 Chobanian Dennis A Transducer for sensing string vibrational movement in two mutually perpendicular planes

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62193329A (ja) * 1986-02-19 1987-08-25 Nippon Telegr & Teleph Corp <Ntt> 通信装置等と通信コ−ドとの結合方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4033673A1 (de) * 1990-10-23 1992-04-30 Max Prell Drahtloses alarm-/kommunikationssystem fuer schwerhoerige
DE19712236C1 (de) * 1997-03-24 1998-10-22 Siemens Audiologische Technik Hörgerät mit Hörspule sowie Verfahren zur Reduzierung magnetischer Störfelder in einem Hörgerät
DE19809567A1 (de) * 1998-03-05 1999-09-23 Siemens Audiologische Technik Hörgerät sowie Verfahren zur Unterdrückung magnetischer Störfelder
DE19809567C2 (de) * 1998-03-05 2003-02-20 Siemens Audiologische Technik Hörgerät sowie Verfahren zur Unterdrückung magnetischer Störfelder
DE19854201A1 (de) * 1998-11-24 2000-06-21 Siemens Audiologische Technik Hörhilfegerät mit Induktionsspule sowie Verfahren zur Reduzierung magnetischer Störfelder
DE19854201C2 (de) * 1998-11-24 2001-05-23 Siemens Audiologische Technik Hörhilfegerät mit Induktionsspule zur Reduzierung magnetischer Störfelder
US6466679B1 (en) 1998-11-24 2002-10-15 Siemens Audiologische Technik Gmbh Method for reducing magnetic noise fields in a hearing aid, and hearing aid with an induction coil for implementing the method

Also Published As

Publication number Publication date
US5010575A (en) 1991-04-23
JPH01300748A (ja) 1989-12-05
JPH0467384B2 (https=) 1992-10-28

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection