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GB0905848D0 - Limiter circuits - Google Patents

Limiter circuits

Info

Publication number
GB0905848D0
GB0905848D0 GBGB0905848.8A GB0905848A GB0905848D0 GB 0905848 D0 GB0905848 D0 GB 0905848D0 GB 0905848 A GB0905848 A GB 0905848A GB 0905848 D0 GB0905848 D0 GB 0905848D0
Authority
GB
United Kingdom
Prior art keywords
limiter circuits
limiter
circuits
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Withdrawn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
GBGB0905848.8A
Other versions
GB2469269A (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.)
LIMITEAR Ltd
Original Assignee
LIMITEAR 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 LIMITEAR Ltd filed Critical LIMITEAR Ltd
Priority to GB0905848A priority Critical patent/GB2469269A/en
Publication of GB0905848D0 publication Critical patent/GB0905848D0/en
Priority to PCT/GB2010/000648 priority patent/WO2010112859A1/en
Publication of GB2469269A publication Critical patent/GB2469269A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/02—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general by means of diodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Headphones And Earphones (AREA)
GB0905848A 2009-04-03 2009-04-03 A light emitting diode used as a limiter and high volume indicator for an audio transducer Withdrawn GB2469269A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0905848A GB2469269A (en) 2009-04-03 2009-04-03 A light emitting diode used as a limiter and high volume indicator for an audio transducer
PCT/GB2010/000648 WO2010112859A1 (en) 2009-04-03 2010-04-01 Limiter circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0905848A GB2469269A (en) 2009-04-03 2009-04-03 A light emitting diode used as a limiter and high volume indicator for an audio transducer

Publications (2)

Publication Number Publication Date
GB0905848D0 true GB0905848D0 (en) 2009-05-20
GB2469269A GB2469269A (en) 2010-10-13

Family

ID=40750095

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0905848A Withdrawn GB2469269A (en) 2009-04-03 2009-04-03 A light emitting diode used as a limiter and high volume indicator for an audio transducer

Country Status (2)

Country Link
GB (1) GB2469269A (en)
WO (1) WO2010112859A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9167340B2 (en) 2012-10-15 2015-10-20 Direct Sound Headphones, LLC Apparatus and methods for limiting sound volume
CN105142062A (en) * 2015-09-28 2015-12-09 张国庆 Passive light-emitting earphone

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5326648A (en) * 1976-08-25 1978-03-11 Nec Corp Abnormal amplitude limiter and its detection/dispaly circuit
DE2641079C3 (en) * 1976-09-11 1986-07-31 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Loudspeaker circuit
SE410695B (en) 1976-12-22 1979-10-22 Gullfiber Ab HORSE PROTECTION WITH HORTEEPHONES
DE2933010C2 (en) * 1979-08-16 1983-03-31 Standard Elektrik Lorenz Ag, 7000 Stuttgart Overload protection and overload display circuit for a loudspeaker arrangement
JPS59230396A (en) * 1983-06-13 1984-12-24 Mitsubishi Electric Corp Signal convertor
US4538296A (en) 1983-07-22 1985-08-27 Short Robert S Sound inhibitor for audio transducers
JPS61233818A (en) * 1985-04-09 1986-10-18 Matsushita Electric Ind Co Ltd Solar battery type electronic calculator
CN1050796A (en) * 1990-11-01 1991-04-17 中国科学院上海技术物理研究所 Low-noise, electric-shock resisting protection device for electric measurement
US5737432A (en) * 1996-11-18 1998-04-07 Aphex Systems, Ltd. Split-band clipper
JP2003284180A (en) * 2002-03-25 2003-10-03 New Techno Kk Indicator for protecting speaker
US20070076907A1 (en) * 2005-09-20 2007-04-05 Stagni Mary K Sound meter for portable audio headphones
WO2007112424A2 (en) * 2006-03-28 2007-10-04 Ingemi Corp. Audio limiting device for headphones

Also Published As

Publication number Publication date
GB2469269A (en) 2010-10-13
WO2010112859A1 (en) 2010-10-07

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)