GB201719322D0 - Speaker protection excursion oversight - Google Patents

Speaker protection excursion oversight

Info

Publication number
GB201719322D0
GB201719322D0 GBGB1719322.8A GB201719322A GB201719322D0 GB 201719322 D0 GB201719322 D0 GB 201719322D0 GB 201719322 A GB201719322 A GB 201719322A GB 201719322 D0 GB201719322 D0 GB 201719322D0
Authority
GB
United Kingdom
Prior art keywords
oversight
excursion
speaker protection
speaker
protection
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
GBGB1719322.8A
Other versions
GB2559012A (en
GB2559012B (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.)
Cirrus Logic International Semiconductor Ltd
Original Assignee
Cirrus Logic International Semiconductor 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
Priority claimed from US15/792,189 external-priority patent/US10341767B2/en
Application filed by Cirrus Logic International Semiconductor Ltd filed Critical Cirrus Logic International Semiconductor Ltd
Publication of GB201719322D0 publication Critical patent/GB201719322D0/en
Publication of GB2559012A publication Critical patent/GB2559012A/en
Application granted granted Critical
Publication of GB2559012B publication Critical patent/GB2559012B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/007—Protection circuits for transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • 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
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
GB1719322.8A 2016-12-06 2017-11-21 Speaker protection excursion oversight Active GB2559012B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662430750P 2016-12-06 2016-12-06
US15/792,189 US10341767B2 (en) 2016-12-06 2017-10-24 Speaker protection excursion oversight

Publications (3)

Publication Number Publication Date
GB201719322D0 true GB201719322D0 (en) 2018-01-03
GB2559012A GB2559012A (en) 2018-07-25
GB2559012B GB2559012B (en) 2020-04-15

Family

ID=60805512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1719322.8A Active GB2559012B (en) 2016-12-06 2017-11-21 Speaker protection excursion oversight

Country Status (1)

Country Link
GB (1) GB2559012B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108513221A (en) * 2018-05-18 2018-09-07 钰太芯微电子科技（上海）有限公司 A kind of intelligent audio amplification system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8855322B2 (en) * 2011-01-12 2014-10-07 Qualcomm Incorporated Loudness maximization with constrained loudspeaker excursion
US9614489B2 (en) * 2012-03-27 2017-04-04 Htc Corporation Sound producing system and audio amplifying method thereof
US9173020B2 (en) * 2012-03-27 2015-10-27 Htc Corporation Control method of sound producing, sound producing apparatus, and portable apparatus
US10200000B2 (en) * 2012-03-27 2019-02-05 Htc Corporation Handheld electronic apparatus, sound producing system and control method of sound producing thereof
US9161126B2 (en) * 2013-03-08 2015-10-13 Cirrus Logic, Inc. Systems and methods for protecting a speaker
US9432771B2 (en) * 2013-09-20 2016-08-30 Cirrus Logic, Inc. Systems and methods for protecting a speaker from overexcursion
US9980068B2 (en) * 2013-11-06 2018-05-22 Analog Devices Global Method of estimating diaphragm excursion of a loudspeaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108513221A (en) * 2018-05-18 2018-09-07 钰太芯微电子科技（上海）有限公司 A kind of intelligent audio amplification system
CN108513221B (en) * 2018-05-18 2024-01-16 钰太芯微电子科技（上海）有限公司 Intelligent audio amplification system

Also Published As

Publication number Publication date
GB2559012A (en) 2018-07-25
GB2559012B (en) 2020-04-15

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