SG11202000874YA - Power management system for battery-powered audio device - Google Patents
Power management system for battery-powered audio deviceInfo
- Publication number
- SG11202000874YA SG11202000874YA SG11202000874YA SG11202000874YA SG11202000874YA SG 11202000874Y A SG11202000874Y A SG 11202000874YA SG 11202000874Y A SG11202000874Y A SG 11202000874YA SG 11202000874Y A SG11202000874Y A SG 11202000874YA SG 11202000874Y A SG11202000874Y A SG 11202000874YA
- Authority
- SG
- Singapore
- Prior art keywords
- battery
- management system
- power management
- audio device
- powered audio
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
- H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
- H03F3/185—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1582—Buck-boost converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/03—Indexing scheme relating to amplifiers the amplifier being designed for audio applications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/144—Indexing scheme relating to amplifiers the feedback circuit of the amplifier stage comprising a passive resistor and passive capacitor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
- H04R2201/028—Structural combinations of loudspeakers with built-in power amplifiers, e.g. in the same acoustic enclosure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Dc-Dc Converters (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762542179P | 2017-08-07 | 2017-08-07 | |
PCT/US2018/045060 WO2019032380A1 (en) | 2017-08-07 | 2018-08-02 | Power management system for battery-powered audio device |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11202000874YA true SG11202000874YA (en) | 2020-02-27 |
Family
ID=65231260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11202000874YA SG11202000874YA (en) | 2017-08-07 | 2018-08-02 | Power management system for battery-powered audio device |
Country Status (6)
Country | Link |
---|---|
US (1) | US10784827B2 (en) |
JP (1) | JP7170710B2 (en) |
CN (1) | CN111149274B (en) |
CA (1) | CA3072068A1 (en) |
SG (1) | SG11202000874YA (en) |
WO (1) | WO2019032380A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210013929A1 (en) * | 2019-07-10 | 2021-01-14 | 3M Innovative Properties Company | Electrical node with monitoring feature |
CN111555416B (en) * | 2020-07-09 | 2020-11-17 | 深圳市创芯微微电子有限公司 | Battery charge-discharge control circuit |
WO2024073666A1 (en) * | 2022-09-30 | 2024-04-04 | Sonos, Inc. | Audio playback devices with battery as supplemental power source |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994011799A1 (en) | 1992-11-10 | 1994-05-26 | Motorola, Inc. | Switching regulator and amplifier system |
KR100222074B1 (en) * | 1996-12-17 | 1999-10-01 | 윤종용 | Constant power charging circuit and portable computer using the same |
JPH10201123A (en) * | 1997-01-07 | 1998-07-31 | Canon Inc | Electronic apparatus and its power-supply control method |
JP2004151908A (en) * | 2002-10-30 | 2004-05-27 | Sony Corp | Power circuit |
US7989981B2 (en) * | 2006-02-02 | 2011-08-02 | Flextronics Ap, Llc | Power adaptor and storage unit for portable devices |
CN103560576B (en) * | 2006-11-16 | 2016-05-11 | 康明斯发电Ip公司 | Electricity generation system and method |
JP2008131777A (en) | 2006-11-22 | 2008-06-05 | Sharp Corp | Portable electronic device |
KR101116483B1 (en) * | 2009-12-04 | 2012-02-27 | 삼성에스디아이 주식회사 | Energy Storage System |
US9425631B2 (en) * | 2012-02-27 | 2016-08-23 | Infineon Technologies Austria Ag | System and method for battery management |
CN104953648B (en) * | 2014-03-26 | 2018-02-06 | 英特赛尔美国有限公司 | Batter-charghing system and the controller and method for controlling it |
CN104009529B (en) * | 2014-06-13 | 2016-08-24 | 南京矽力杰半导体技术有限公司 | Control circuit, battery powdered device and control method |
JP6604863B2 (en) | 2016-02-05 | 2019-11-13 | ローム株式会社 | Power receiving device and controller thereof, electronic device using the same, and method for controlling power feeding system |
-
2018
- 2018-08-02 CN CN201880065175.7A patent/CN111149274B/en active Active
- 2018-08-02 US US16/053,729 patent/US10784827B2/en active Active
- 2018-08-02 SG SG11202000874YA patent/SG11202000874YA/en unknown
- 2018-08-02 CA CA3072068A patent/CA3072068A1/en active Pending
- 2018-08-02 WO PCT/US2018/045060 patent/WO2019032380A1/en active Application Filing
- 2018-08-02 JP JP2020506870A patent/JP7170710B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN111149274B (en) | 2023-07-14 |
CN111149274A (en) | 2020-05-12 |
US20190044486A1 (en) | 2019-02-07 |
CA3072068A1 (en) | 2019-02-14 |
JP2020530753A (en) | 2020-10-22 |
US10784827B2 (en) | 2020-09-22 |
WO2019032380A1 (en) | 2019-02-14 |
JP7170710B2 (en) | 2022-11-14 |
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