Speaker and electronic device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11856384
APP PUB NO 20230148010A1
SERIAL NO

17566708

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A speaker including a frame; a magnetic circuit system fixed to the frame, comprises a plurality of magnetic circuit devices connected to each with a magnetic gap; a vibration system driven by the magnetic to vibrator, comprises a diaphragm fixed to the frame and a plurality of voice coil assembly inserted into the magnetic gap drive the diaphragm vibrate jointly. the speaker can drive the diaphragm to vibrate and produce sound with a greater driving force, and the magnetic circuit system has a higher magnetic field. The efficiency makes the speaker have a better sound effect.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
AAC MICROTECH (CHANGZHOU) CO LTD213167 NO 3 CHANGCAO ROAD WUJIN HIGH TECH INDUSTRIAL DEVELOPMENT ZONE CHANGZHOU CITY JIANGSU PROVINCE CHANGZHOU CITY JIANGSU PROVINCE 213167

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mao, Yuanxiang Shenzhen, CN 3 2
Yan, Xudong Shenzhen, CN 39 63
Zhou, Keyong Shenzhen, CN 11 4

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Jun 26, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Jun 26, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jun 26, 2035
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00