Diagnostic apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9772357
SERIAL NO

15414712

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A diagnostic apparatus that diagnoses a cutter tool or a rotating machine based on electric power supplied to the rotating machine, includes: an electric power measurement unit that measures the electric power; and a filtering unit that filters noises input from an input side and an output side of the electric power measurement unit, the electric power measurement unit including a Hall element, and applied voltage of an electric power supply line, that supplies the electric power to the rotating machine from an inverter or a servo amplifier, is input in the Hall element, wherein the electric power is calculated based on Hall voltage that is generated, when Hall current flows through the Hall element and magnetic flux is applied to a sensor surface of the Hall element, the Hall voltage being proportional to a product of the magnetic flux and the Hall current.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • FUJI ELECTRIC CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inoue, Tsuyoshi Tokyo, JP 152 1272
Matsuzoe, Yuji Tokyo, JP 1 0

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
7.5 Year Payment $3600.00 $1800.00 $900.00 Mar 26, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 26, 2029
Fee Large entity fee small entity fee micro entity fee
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