Current analog audio amplifier

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9614483
SERIAL NO

14915901

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A current analog audio amplifier having an operational amplifier current-reading and voltage-controlling current source, a voltage gain stage, an output buffer stage, a negative feedback circuit, a high-frequency compensation circuit, and a bias circuit. The operational amplifier current-reading and voltage-controlling current source is connected to the voltage gain stage. The voltage gain stage is connected to the output buffer stage. The negative feedback circuit is connected to the operational amplifier current-reading and voltage-controlling current source. The high-frequency compensation circuit and the bias circuit are connected separately to the operational amplifier current-reading and voltage-controlling current source.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
QUESTYLE AUDIO TECHNOLOGY CO LTDROOM NO 13A FLOOR13 YUNSONG BUILDING THE 9TH TAIRAN ROAD FUTIAN DISTRICT SHENZHEN GUANGDONG 518000 518000

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wang, Fengshuo Zhejiang, CN 6 21

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
11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 4, 2028
Fee Large entity fee small entity fee micro entity fee
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