Device for maintaining operating state of contactor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11451049
APP PUB NO 20210151982A1
SERIAL NO

17081781

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A device includes: a controller configured to output a contactor control signal for controlling an operation of a contactor; a system basis unit configured to monitor a state of the controller and to output a safety detection signal; an operation maintaining unit including a first level shifter configured to shift a voltage level of the safety detection signal, a second level shifter configured to shift a voltage level of the contactor control signal, a retention output unit configured to compare the voltage level of the first level shifter with the voltage level of the second level shifter and to output a retention output signal, and a timer output unit configured to output a timer output signal to output the retention output signal for a preset time; and a contactor driver configured to output a contactor driving signal based on the contactor control signal and the retention output signal.

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First Claim

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Patent Owner(s)

  • SAMSUNG SDI CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cho, Kyu Sung Yongin-si, KR 13 213
Han, Sang Taek Yongin-si, KR 2 2
Han, Seung Ho Yongin-si, KR 30 68

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Mar 20, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Mar 20, 2030
11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 20, 2034
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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